Bump Version to v0.0.32

Merge pull request #68 from DevotedHealth/affinity_tolerations
Permit passing resources, tolerations, affinity to Helm chart
2026-02-14 18:09:50 +00:00 · 2019-06-27 08:30:31 +00:00 · 2019-06-27 13:07:34 +05:00 · 2019-06-26 18:44:39 +00:00 · 2019-06-25 09:27:27 +00:00 · 2019-06-25 14:04:40 +05:00
49 changed files with 2627 additions and 987 deletions
--- a/.version
+++ b/.version
@@ -1 +1 @@
-0.0.14
+v0.0.32
--- a/8
+++ b/8
@@ -1,8 +1,10 @@
 #!/usr/bin/groovy
-@Library('github.com/stakater/fabric8-pipeline-library@v2.5.3')
+@Library('github.com/stakater/fabric8-pipeline-library@v2.10.8')

 def dummy

 goBuildAndRelease {
-
-}
+    chartRepositoryURL = 'https://chartmuseum.release.stakater.com'
+    publicChartRepositoryURL = 'https://stakater.github.io/stakater-charts'
+    publicChartGitURL = 'git@github.com:stakater/stakater-charts.git'
+}
--- a/201
+++ b/201
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
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--- a/README.md
+++ b/README.md
@@ -1,35 +1,107 @@
-# RELOADER
+# ![](assets/web/reloader-round-100px.png) RELOADER
+
+[![Go Report Card](https://goreportcard.com/badge/github.com/stakater/reloader?style=flat-square)](https://goreportcard.com/report/github.com/stakater/reloader)
+[![Go Doc](https://img.shields.io/badge/godoc-reference-blue.svg?style=flat-square)](http://godoc.org/github.com/stakater/reloader)
+[![Release](https://img.shields.io/github/release/stakater/reloader.svg?style=flat-square)](https://github.com/stakater/reloader/releases/latest)
+[![GitHub tag](https://img.shields.io/github/tag/stakater/reloader.svg?style=flat-square)](https://github.com/stakater/reloader/releases/latest)
+[![Docker Pulls](https://img.shields.io/docker/pulls/stakater/reloader.svg?style=flat-square)](https://hub.docker.com/r/stakater/reloader/)
+[![Docker Stars](https://img.shields.io/docker/stars/stakater/reloader.svg?style=flat-square)](https://hub.docker.com/r/stakater/reloader/)
+[![MicroBadger Size](https://img.shields.io/microbadger/image-size/stakater/reloader.svg?style=flat-square)](https://microbadger.com/images/stakater/reloader)
+[![MicroBadger Layers](https://img.shields.io/microbadger/layers/stakater/reloader.svg?style=flat-square)](https://microbadger.com/images/stakater/reloader)
+[![license](https://img.shields.io/github/license/stakater/reloader.svg?style=flat-square)](LICENSE)
+[![Get started with Stakater](https://stakater.github.io/README/stakater-github-banner.png)](http://stakater.com/?utm_source=Reloader&utm_medium=github)

 ## Problem

-We would like to watch if some change happens in `ConfigMap` and `Secret` objects and then perform rolling upgrade on relevant `Deployment`, `Deamonset` and `Statefulset`
+We would like to watch if some change happens in `ConfigMap` and/or `Secret`; then perform a rolling upgrade on relevant `Deployment`, `Daemonset` and `Statefulset`

 ## Solution

-Reloader can watch changes in `ConfigMap` and `Secret` and do rolling upgrades on Pods with their associated `Deployments`, `Deamonsets` and `Statefulsets`.
-
-**NOTE:** This controller has been inspired from [configmapController](https://github.com/fabric8io/configmapcontroller)
+Reloader can watch changes in `ConfigMap` and `Secret` and do rolling upgrades on Pods with their associated `Deployments`, `Daemonsets` and `Statefulsets`.

 ## How to use Reloader

-For a `Deployment` called `foo` have a `ConfigMap` called `foo`. Then add this annotation to your `Deployment`
+For a `Deployment` called `foo` have a `ConfigMap` called `foo-configmap` or `Secret` called `foo-secret` or both. Then add your annotation (by default `reloader.stakater.com/auto`) to main metadata of your `Deployment`

 ```yaml
+kind: Deployment
 metadata:
  annotations:
-    configmap.reloader.stakater.com/reload: "foo"
+    reloader.stakater.com/auto: "true"
+spec:
+  template:
+    metadata:
 ```

-OR
+This will discover deployments/daemonsets/statefulset automatically where `foo-configmap` or `foo-secret` is being used either via environment variable or from volume mount. And it will perform rolling upgrade on related pods when `foo-configmap` or `foo-secret`are updated.

-For a `Deployment` called `foo` have a `Secret` called `foo`. Then add this annotation to your `Deployment`
+We can also specify a specific configmap or secret which would trigger rolling upgrade only upon change in our specified configmap or secret, this way, it will not trigger rolling upgrade upon changes in all configmaps or secrets used in a deployment, daemonset or statefulset.
+To do this either set the auto annotation to `"false"` (`reloader.stakater.com/auto: "false"`) or remove it altogether, and use annotations mentioned [here](#Configmap) or [here](#Secret)
+
+### Configmap
+
+To perform rolling upgrade when change happens only on specific configmaps use below annotation.
+
+For a `Deployment` called `foo` have a `ConfigMap` called `foo-configmap`. Then add this annotation to main metadata of your `Deployment`

 ```yaml
+kind: Deployment
 metadata:
  annotations:
-    secret.reloader.stakater.com/reload: "foo"
+    configmap.reloader.stakater.com/reload: "foo-configmap"
+spec:
+  template:
+    metadata:
 ```

+Use comma separated list to define multiple configmaps.
+
+```yaml
+kind: Deployment
+metadata:
+  annotations:
+    configmap.reloader.stakater.com/reload: "foo-configmap,bar-configmap,baz-configmap"
+spec:
+  template:
+    metadata:
+```
+
+### Secret
+
+To perform rolling upgrade when change happens only on specific secrets use below annotation.
+
+For a `Deployment` called `foo` have a `Secret` called `foo-secret`. Then add this annotation to main metadata of  your `Deployment`
+
+```yaml
+kind: Deployment
+metadata:
+  annotations:
+    secret.reloader.stakater.com/reload: "foo-secret"
+spec:
+  template:
+    metadata:
+```
+
+Use comma separated list to define multiple secrets.
+
+```yaml
+kind: Deployment
+metadata:
+  annotations:
+    secret.reloader.stakater.com/reload: "foo-secret,bar-secret,baz-secret"
+spec:
+  template:
+    metadata:
+```
+
+### NOTES
+- Reloader also supports [sealed-secrets](https://github.com/bitnami-labs/sealed-secrets). [Here](docs/Reloader-with-Sealed-Secrets.md) are the steps to use sealed-secrets with reloader.
+- `reloader.stakater.com/auto: "true"` will only reload the pod, if the configmap or secret is used (as a volume mount or as an env) in `Deployment/Daemonsets/Statefulsets`
+- `secret.reloader.stakater.com/reload` or `configmap.reloader.stakater.com/reload` annotation will reload the pod upon changes in specified configmap or secret, irrespective of the usage of configmap or secret.
+- you may override the auto annotation with the `--auto-annotation` flag
+- you may override the configmap annotation with the `--configmap-annotation` flag
+- you may override the secret annotation with the `--secret-annotation` flag
+
 ## Deploying to Kubernetes

 You can deploy Reloader by following methods:
@@ -56,6 +128,12 @@ helm repo update
 helm install stakater/reloader
 ```

+**Note:**  By default reloader watches in all namespaces. To watch in single namespace, please run following command. It will install reloader in `test` namespace which will only watch `Deployments`, `Daemonsets` and `Statefulsets` in `test` namespace.
+
+```bash
+helm install stakater/reloader --set reloader.watchGlobally=false --namespace test
+```
+
 ## Help

 ### Documentation
@@ -69,7 +147,7 @@ File a GitHub [issue](https://github.com/stakater/Reloader/issues), or send us a
 Join and talk to us on Slack for discussing Reloader

 [![Join Slack](https://stakater.github.io/README/stakater-join-slack-btn.png)](https://stakater-slack.herokuapp.com/)
-[![Chat](https://stakater.github.io/README/stakater-chat-btn.png)](https://stakater.slack.com/)
+[![Chat](https://stakater.github.io/README/stakater-chat-btn.png)](https://stakater.slack.com/messages/CC5S05S12)

 ## Contributing

@@ -106,3 +184,7 @@ or contact us in case of professional services and queries on <hello@stakater.co

  [website]: http://stakater.com/
  [community]: https://github.com/stakater/
+
+## Acknowledgements
+
+- [ConfigmapController](https://github.com/fabric8io/configmapcontroller); We documented here why we re-created [Reloader](docs/Reloader-vs-ConfigmapController.md)
--- a/assets/web/reloader-round-100px.png
+++ b/assets/web/reloader-round-100px.png
--- a/build/package/Dockerfile.run
+++ b/build/package/Dockerfile.run
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.9
 MAINTAINER "Stakater Team"

 RUN apk add --update ca-certificates
--- a/deployments/kubernetes/chart/reloader/.helmignore
+++ b/deployments/kubernetes/chart/reloader/.helmignore
@@ -0,0 +1,2 @@
+# OWNERS file for Kubernetes
+OWNERS
--- a/deployments/kubernetes/chart/reloader/Chart.yaml
+++ b/deployments/kubernetes/chart/reloader/Chart.yaml
@@ -3,11 +3,27 @@
 apiVersion: v1
 name: reloader
 description: Reloader chart that runs on kubernetes
-version: 0.0.14
+version: v0.0.32
+appVersion: v0.0.32
 keywords:
  - Reloader
  - kubernetes
 home: https://github.com/stakater/Reloader
+sources:
+- https://github.com/stakater/IngressMonitorController
+icon: https://raw.githubusercontent.com/stakater/Reloader/master/assets/web/reloader-round-100px.png
 maintainers:
 - name: Stakater
-  email: hello@stakater.com
+  email: hello@stakater.com
+- name: rasheedamir
+  email: rasheed@aurorasolutions.io
+- name: waseem-h
+  email: waseemhassan@stakater.com
+- name: faizanahmad055
+  email: faizan.ahmad55@outlook.com
+- name: kahootali
+  email: ali.kahoot@aurorasolutions.io
+- name: ahmadiq
+  email: ahmad@aurorasolutions.io
+- name: ahsan-storm
+  email: ahsanmuhammad1@outlook.com
--- a/deployments/kubernetes/chart/reloader/OWNERS
+++ b/deployments/kubernetes/chart/reloader/OWNERS
@@ -0,0 +1,14 @@
+approvers:
+- faizanahmad055
+- kahootali
+- ahmadiq
+- waseem-h
+- rasheedamir
+- ahsan-storm
+reviewers:
+- faizanahmad055
+- kahootali
+- ahmadiq
+- waseem-h
+- rasheedamir
+- ahsan-storm
--- a/deployments/kubernetes/chart/reloader/templates/NOTES.txt
+++ b/deployments/kubernetes/chart/reloader/templates/NOTES.txt
@@ -0,0 +1,7 @@
+- For a `Deployment` called `foo` have a `ConfigMap` called `foo-configmap`. Then add this annotation to main metadata of your `Deployment`
+  configmap.reloader.stakater.com/reload: "foo-configmap"
+
+- For a `Deployment` called `foo` have a `Secret` called `foo-secret`. Then add this annotation to main metadata of  your `Deployment`
+  secret.reloader.stakater.com/reload: "foo-secret"
+
+- After successful installation, your pods will get rolling updates when a change in data of configmap or secret will happen.
--- a/deployments/kubernetes/chart/reloader/templates/_helpers.tpl
+++ b/deployments/kubernetes/chart/reloader/templates/_helpers.tpl
@@ -15,19 +15,20 @@ We truncate at 63 chars because some Kubernetes name fields are limited to this
 {{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
 {{- end -}}

-{{- define "reloader-labels.selector" -}}
-app: {{ template "reloader-name" . }}
-group: {{ .Values.reloader.labels.group }}
-provider: {{ .Values.reloader.labels.provider }}
-{{- end -}}
-
-{{- define "reloader-labels.stakater" -}}
-{{ template "reloader-labels.selector" . }}
-version: {{ .Values.reloader.labels.version }}
-{{- end -}}
-
 {{- define "reloader-labels.chart" -}}
+app: {{ template "reloader-name" . }}
 chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
 release: {{ .Release.Name | quote }}
 heritage: {{ .Release.Service | quote }}
-{{- end -}}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "reloader-serviceAccountName" -}}
+{{- if .Values.reloader.serviceAccount.create -}}
+    {{ default (include "reloader-fullname" .) .Values.reloader.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.reloader.serviceAccount.name }}
+{{- end -}}
+{{- end -}}
--- a/deployments/kubernetes/chart/reloader/templates/clusterrole.yaml
+++ b/deployments/kubernetes/chart/reloader/templates/clusterrole.yaml
@@ -0,0 +1,46 @@
+{{- if and .Values.reloader.watchGlobally (.Values.reloader.rbac.enabled) }}
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  labels:
+{{ include "reloader-labels.chart" . | indent 4 }}
+{{- if .Values.reloader.rbac.labels }}
+{{ toYaml .Values.reloader.rbac.labels | indent 4 }}
+{{- end }}
+{{- if .Values.reloader.matchLabels }}
+{{ toYaml .Values.reloader.matchLabels | indent 4 }}
+{{- end }}
+  name: {{ template "reloader-name" . }}-role
+  namespace: {{ .Release.Namespace }}
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - secrets
+      - configmaps
+    verbs:
+      - list
+      - get
+      - watch
+  - apiGroups:
+      - "apps"
+    resources:
+      - deployments
+      - daemonsets
+      - statefulsets
+    verbs:
+      - list
+      - get
+      - update
+      - patch
+  - apiGroups:
+      - "extensions"
+    resources:
+      - deployments
+      - daemonsets
+    verbs:
+      - list
+      - get
+      - update
+      - patch
+{{- end }}
--- a/deployments/kubernetes/chart/reloader/templates/clusterrolebinding.yaml
+++ b/deployments/kubernetes/chart/reloader/templates/clusterrolebinding.yaml
@@ -0,0 +1,23 @@
+{{- if and .Values.reloader.watchGlobally (.Values.reloader.rbac.enabled) }}
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+{{ include "reloader-labels.chart" . | indent 4 }}
+{{- if .Values.reloader.rbac.labels }}
+{{ toYaml .Values.reloader.rbac.labels | indent 4 }}
+{{- end }}
+{{- if .Values.reloader.matchLabels }}
+{{ toYaml .Values.reloader.matchLabels | indent 4 }}
+{{- end }}
+  name: {{ template "reloader-name" . }}-role-binding
+  namespace: {{ .Release.Namespace }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ template "reloader-name" . }}-role
+subjects:
+  - kind: ServiceAccount
+    name: {{ template "reloader-serviceAccountName" . }}
+    namespace: {{ .Release.Namespace }}
+{{- end }}
--- a/deployments/kubernetes/chart/reloader/templates/deployment.yaml
+++ b/deployments/kubernetes/chart/reloader/templates/deployment.yaml
@@ -1,31 +1,114 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
+{{- if .Values.reloader.deployment.annotations }}
+  annotations:
+{{ toYaml .Values.reloader.deployment.annotations | indent 4 }}
+{{- end }}
  labels:
-{{ include "reloader-labels.stakater" . | indent 4 }}
 {{ include "reloader-labels.chart" . | indent 4 }}
+{{- if .Values.reloader.deployment.labels }}
+{{ toYaml .Values.reloader.deployment.labels | indent 4 }}
+{{- end }}
+{{- if .Values.reloader.matchLabels }}
+{{ toYaml .Values.reloader.matchLabels | indent 4 }}
+{{- end }}
  name: {{ template "reloader-name" . }}
 spec:
  replicas: 1
  revisionHistoryLimit: 2
  selector:
    matchLabels:
-{{ include "reloader-labels.selector" . | indent 6 }}
+      app: {{ template "reloader-name" . }}
+      release: {{ .Release.Name | quote }}
+{{- if .Values.reloader.matchLabels }}
+{{ toYaml .Values.reloader.matchLabels | indent 6 }}
+{{- end }}
  template:
    metadata:
      labels:
-{{ include "reloader-labels.selector" . | indent 8 }}
+{{ include "reloader-labels.chart" . | indent 8 }}
+{{- if .Values.reloader.deployment.labels }}
+{{ toYaml .Values.reloader.deployment.labels | indent 8 }}
+{{- end }}
+{{- if .Values.reloader.matchLabels }}
+{{ toYaml .Values.reloader.matchLabels | indent 8 }}
+{{- end }}
    spec:
+      {{- if .Values.reloader.deployment.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.reloader.deployment.nodeSelector | indent 8 }}
+      {{- end }}
+      {{- if .Values.reloader.deployment.affinity }}
+      affinity:
+{{ toYaml .Values.reloader.deployment.affinity | indent 8 }}
+      {{- end }}
+      {{- if .Values.reloader.deployment.tolerations }}
+      tolerations:
+{{ toYaml .Values.reloader.deployment.tolerations | indent 8 }}
+      {{- end }}
      containers:
      - env:
+      {{- range $name, $value := .Values.reloader.deployment.env.open }}
+      {{- if not (empty $value) }}
+        - name: {{ $name | quote }}
+          value: {{ $value | quote }}
+      {{- end }}
+      {{- end }}
+      {{- $secret_name := include "reloader-fullname" . }}
+      {{- range $name, $value := .Values.reloader.deployment.env.secret }}
+      {{- if not ( empty $value) }}
+        - name: {{ $name | quote }}
+          valueFrom:
+            secretKeyRef:
+              name: {{ $secret_name }}
+              key: {{ $name | quote }}
+      {{- end }}
+      {{- end }}
+      {{- range $name, $value := .Values.reloader.deployment.env.field }}
+      {{- if not ( empty $value) }}
+        - name: {{ $name | quote }}
+          valueFrom:
+            fieldRef:
+              fieldPath: {{ $value | quote}}
+      {{- end }}
+      {{- end }}
      {{- if eq .Values.reloader.watchGlobally false }}
        - name: KUBERNETES_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
      {{- end }}
-        image: "{{ .Values.reloader.image.name }}:{{ .Values.reloader.image.tag }}"
-        imagePullPolicy: {{ .Values.reloader.image.pullPolicy }}
+        image: "{{ .Values.reloader.deployment.image.name }}:{{ .Values.reloader.deployment.image.tag }}"
+        imagePullPolicy: {{ .Values.reloader.deployment.image.pullPolicy }}
        name: {{ template "reloader-name" . }}
-      serviceAccountName: {{ template "reloader-name" . }}
-              
+      {{- if eq .Values.reloader.readOnlyRootFileSystem true }}
+        volumeMounts:
+          - mountPath: /tmp/
+            name: tmp-volume
+      {{- end }}
+      {{- if .Values.reloader.custom_annotations }}
+        args:
+          {{- if .Values.reloader.custom_annotations.configmap }}
+          - "--configmap-annotation"
+          - "{{ .Values.reloader.custom_annotations.configmap }}"
+          {{- end }}
+          {{- if .Values.reloader.custom_annotations.secret }}
+          - "--secret-annotation"
+          - "{{ .Values.reloader.custom_annotations.secret }}"
+          {{- end }}
+          {{- if .Values.reloader.custom_annotations.auto }}
+          - "--auto-annotation"
+          - "{{ .Values.reloader.custom_annotations.auto }}"
+          {{- end }}
+      {{- end }}
+      {{- if .Values.reloader.deployment.resources }}
+        resources:
+{{ toYaml .Values.reloader.deployment.resources | indent 10 }}
+      {{- end }}
+      serviceAccountName: {{ template "reloader-serviceAccountName" . }}
+    {{- if eq .Values.reloader.readOnlyRootFileSystem true }}
+      volumes:
+        - emptyDir: {}
+          name: tmp-volume
+    {{- end }}
--- a/deployments/kubernetes/chart/reloader/templates/rbac.yaml
+++ b/deployments/kubernetes/chart/reloader/templates/rbac.yaml
@@ -1,107 +0,0 @@
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  labels:
-{{ include "reloader-labels.stakater" . | indent 4 }}
-{{ include "reloader-labels.chart" . | indent 4 }}
-  name: {{ template "reloader-name" . }}
---
-{{- if .Values.reloader.watchGlobally }}
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRole
-metadata:
-  labels: 
-{{ include "reloader-labels.stakater" . | indent 4 }}
-{{ include "reloader-labels.chart" . | indent 4 }}
-  name: {{ template "reloader-name" . }}-role
-  namespace: {{ .Release.Namespace }}
-rules:
-  - apiGroups:
-      - ""
-    resources:      
-      - secrets
-      - configmaps
-    verbs:
-      - list
-      - get
-      - watch
-  - apiGroups:
-      - ""
-      - "extensions"
-      - "apps"
-    resources:
-      - deployments
-      - daemonsets
-      - statefulsets
-    verbs:
-      - list
-      - get
-      - update
-      - patch
---
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRoleBinding
-metadata:
-  labels: 
-{{ include "reloader-labels.stakater" . | indent 4 }}
-{{ include "reloader-labels.chart" . | indent 4 }}
-  name: {{ template "reloader-name" . }}-role-binding
-  namespace: {{ .Release.Namespace }}
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: {{ template "reloader-name" . }}-role
-subjects:
-  - kind: ServiceAccount
-    name: {{ template "reloader-name" . }}
-    namespace: {{ .Release.Namespace }}
-{{- else }}
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: Role
-metadata:
-  labels: 
-{{ include "reloader-labels.stakater" . | indent 4 }}
-{{ include "reloader-labels.chart" . | indent 4 }}
-  name: {{ template "reloader-name" . }}-role
-  namespace: {{ .Release.Namespace }}
-rules:
-  - apiGroups:
-      - ""
-    resources:      
-      - secrets
-      - configmaps
-    verbs:
-      - list
-      - get
-      - watch
-  - apiGroups:
-      - ""
-      - "extensions"
-      - "apps"
-    resources:
-      - deployments
-      - daemonsets
-      - statefulsets
-    verbs:
-      - list
-      - get
-      - update
-      - patch
---
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: RoleBinding
-metadata:
-  labels: 
-{{ include "reloader-labels.stakater" . | indent 4 }}
-{{ include "reloader-labels.chart" . | indent 4 }}
-  name: {{ template "reloader-name" . }}-role-binding
-  namespace: {{ .Release.Namespace }}
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: Role
-  name: {{ template "reloader-name" . }}-role
-subjects:
-  - kind: ServiceAccount
-    name: {{ template "reloader-name" . }}
-    namespace: {{ .Release.Namespace }}
-{{- end }}
--- a/deployments/kubernetes/chart/reloader/templates/role.yaml
+++ b/deployments/kubernetes/chart/reloader/templates/role.yaml
@@ -0,0 +1,46 @@
+{{- if and (not (.Values.reloader.watchGlobally)) (.Values.reloader.rbac.enabled) }}
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: Role
+metadata:
+  labels:
+{{ include "reloader-labels.chart" . | indent 4 }}
+{{- if .Values.reloader.rbac.labels }}
+{{ toYaml .Values.reloader.rbac.labels | indent 4 }}
+{{- end }}
+{{- if .Values.reloader.matchLabels }}
+{{ toYaml .Values.reloader.matchLabels | indent 4 }}
+{{- end }}
+  name: {{ template "reloader-name" . }}-role
+  namespace: {{ .Release.Namespace }}
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - secrets
+      - configmaps
+    verbs:
+      - list
+      - get
+      - watch
+  - apiGroups:
+      - "apps"
+    resources:
+      - deployments
+      - daemonsets
+      - statefulsets
+    verbs:
+      - list
+      - get
+      - update
+      - patch
+  - apiGroups:
+      - "extensions"
+    resources:
+      - deployments
+      - daemonsets
+    verbs:
+      - list
+      - get
+      - update
+      - patch
+{{- end }}
--- a/deployments/kubernetes/chart/reloader/templates/rolebinding.yaml
+++ b/deployments/kubernetes/chart/reloader/templates/rolebinding.yaml
@@ -0,0 +1,23 @@
+{{- if and (not (.Values.reloader.watchGlobally)) (.Values.reloader.rbac.enabled) }}
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: RoleBinding
+metadata:
+  labels: 
+{{ include "reloader-labels.chart" . | indent 4 }}
+{{- if .Values.reloader.rbac.labels }}
+{{ toYaml .Values.reloader.rbac.labels | indent 4 }}
+{{- end }}
+{{- if .Values.reloader.matchLabels }}
+{{ toYaml .Values.reloader.matchLabels | indent 4 }}
+{{- end }}
+  name: {{ template "reloader-name" . }}-role-binding
+  namespace: {{ .Release.Namespace }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ template "reloader-name" . }}-role
+subjects:
+  - kind: ServiceAccount
+    name: {{ template "reloader-serviceAccountName" . }}
+    namespace: {{ .Release.Namespace }}
+{{- end }}
--- a/deployments/kubernetes/chart/reloader/templates/serviceaccount.yaml
+++ b/deployments/kubernetes/chart/reloader/templates/serviceaccount.yaml
@@ -0,0 +1,14 @@
+{{- if .Values.reloader.serviceAccount.create }}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+{{ include "reloader-labels.chart" . | indent 4 }}
+{{- if .Values.reloader.serviceAccount.labels }}
+{{ toYaml .Values.reloader.serviceAccount.labels | indent 4 }}
+{{- end }}
+{{- if .Values.reloader.matchLabels }}
+{{ toYaml .Values.reloader.matchLabels | indent 4 }}
+{{- end }}
+  name: {{ template "reloader-serviceAccountName" . }}
+{{- end }}
--- a/deployments/kubernetes/chart/reloader/values.yaml
+++ b/deployments/kubernetes/chart/reloader/values.yaml
@@ -4,12 +4,76 @@ kubernetes:
  host: https://kubernetes.default

 reloader:
-  labels:
-    provider: stakater
-    group: com.stakater.platform
-    version: 0.0.14
-  image:
-    name: stakater/reloader
-    tag: "0.0.14"
-    pullPolicy: IfNotPresent
-  watchGlobally: true
+  watchGlobally: true
+  # Set to true if you have a pod security policy that enforces readOnlyRootFilesystem
+  readOnlyRootFileSystem: false
+  matchLabels: {}
+  deployment:
+    nodeSelector:
+    # cloud.google.com/gke-nodepool: default-pool
+
+    # An affinity stanza to be applied to the Deployment.
+    # Example:
+    #   affinity:
+    #     nodeAffinity:
+    #       requiredDuringSchedulingIgnoredDuringExecution:
+    #         nodeSelectorTerms:
+    #         - matchExpressions:
+    #           - key: "node-role.kubernetes.io/infra-worker"
+    #             operator: "Exists"
+    affinity: {}
+
+    # A list of tolerations to be applied to the Deployment.
+    # Example:
+    #   tolerations:
+    #   - key: "node-role.kubernetes.io/infra-worker"
+    #     operator: "Exists"
+    #     effect: "NoSchedule"
+    tolerations: []
+
+    annotations: {}
+    labels:
+      provider: stakater
+      group: com.stakater.platform
+      version: v0.0.32
+    image:
+      name: stakater/reloader
+      tag: "v0.0.32"
+      pullPolicy: IfNotPresent
+    # Support for extra environment variables.
+    env:
+      # Open supports Key value pair as environment variables.
+      open:
+      # secret supports Key value pair as environment variables. It gets the values based on keys from default reloader secret if any.
+      secret:
+      # field supports Key value pair as environment variables. It gets the values from other fields of pod.
+      field:
+
+    # Specify resource requests/limits for the deployment.
+    # Example:
+    # resources:
+    #   limits:
+    #     cpu: "100m"
+    #     memory: "512Mi"
+    #   requests:
+    #     cpu: "10m"
+    #     memory: "128Mi"
+    resources: {}
+
+  rbac:
+    enabled: true
+    labels: {}
+  # Service account config for the agent pods
+  serviceAccount:
+    # Specifies whether a ServiceAccount should be created
+    create: true
+    labels: {}
+    # The name of the ServiceAccount to use.
+    # If not set and create is true, a name is generated using the fullname template
+    name: reloader
+  # Optional flags to pass to the Reloader entrypoint
+  # Example:
+  #   custom_annotations:
+  #     configmap: "my.company.com/configmap"
+  #     secret: "my.company.com/secret"
+  custom_annotations: {}
--- a/deployments/kubernetes/manifests/clusterrole.yaml
+++ b/deployments/kubernetes/manifests/clusterrole.yaml
@@ -0,0 +1,45 @@
+---
+# Source: reloader/templates/clusterrole.yaml
+
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  labels:
+    app: reloader
+    chart: "reloader-v0.0.32"
+    release: "RELEASE-NAME"
+    heritage: "Tiller"
+  name: reloader-role
+  namespace: default
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - secrets
+      - configmaps
+    verbs:
+      - list
+      - get
+      - watch
+  - apiGroups:
+      - "apps"
+    resources:
+      - deployments
+      - daemonsets
+      - statefulsets
+    verbs:
+      - list
+      - get
+      - update
+      - patch
+  - apiGroups:
+      - "extensions"
+    resources:
+      - deployments
+      - daemonsets
+    verbs:
+      - list
+      - get
+      - update
+      - patch
+
--- a/deployments/kubernetes/manifests/clusterrolebinding.yaml
+++ b/deployments/kubernetes/manifests/clusterrolebinding.yaml
@@ -0,0 +1,22 @@
+---
+# Source: reloader/templates/clusterrolebinding.yaml
+
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+    app: reloader
+    chart: "reloader-v0.0.32"
+    release: "RELEASE-NAME"
+    heritage: "Tiller"
+  name: reloader-role-binding
+  namespace: default
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: reloader-role
+subjects:
+  - kind: ServiceAccount
+    name: reloader
+    namespace: default
+
--- a/deployments/kubernetes/manifests/deployment.yaml
+++ b/deployments/kubernetes/manifests/deployment.yaml
@@ -1,16 +1,17 @@
 ---
 # Source: reloader/templates/deployment.yaml
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
  labels:
    app: reloader
-    group: com.stakater.platform
-    provider: stakater
-    version: 0.0.14
-    chart: "reloader-0.0.14"
+    chart: "reloader-v0.0.32"
    release: "RELEASE-NAME"
    heritage: "Tiller"
+    group: com.stakater.platform
+    provider: stakater
+    version: v0.0.32
+    
  name: reloader
 spec:
  replicas: 1
@@ -18,19 +19,23 @@ spec:
  selector:
    matchLabels:
      app: reloader
-      group: com.stakater.platform
-      provider: stakater
+      release: "RELEASE-NAME"
  template:
    metadata:
      labels:
        app: reloader
+        chart: "reloader-v0.0.32"
+        release: "RELEASE-NAME"
+        heritage: "Tiller"
        group: com.stakater.platform
        provider: stakater
+        version: v0.0.32
+        
    spec:
      containers:
      - env:
-        image: "stakater/reloader:0.0.14"
+        image: "stakater/reloader:v0.0.32"
        imagePullPolicy: IfNotPresent
        name: reloader
      serviceAccountName: reloader
-              
+
--- a/deployments/kubernetes/manifests/rbac.yaml
+++ b/deployments/kubernetes/manifests/rbac.yaml
@@ -1,73 +0,0 @@
---
-# Source: reloader/templates/rbac.yaml
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  labels:
-    app: reloader
-    group: com.stakater.platform
-    provider: stakater
-    version: 0.0.14
-    chart: "reloader-0.0.14"
-    release: "RELEASE-NAME"
-    heritage: "Tiller"
-  name: reloader
---
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRole
-metadata:
-  labels: 
-    app: reloader
-    group: com.stakater.platform
-    provider: stakater
-    version: 0.0.14
-    chart: "reloader-0.0.14"
-    release: "RELEASE-NAME"
-    heritage: "Tiller"
-  name: reloader-role
-  namespace: default
-rules:
-  - apiGroups:
-      - ""
-    resources:      
-      - secrets
-      - configmaps
-    verbs:
-      - list
-      - get
-      - watch
-  - apiGroups:
-      - ""
-      - "extensions"
-      - "apps"
-    resources:
-      - deployments
-      - daemonsets
-      - statefulsets
-    verbs:
-      - list
-      - get
-      - update
-      - patch
---
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRoleBinding
-metadata:
-  labels: 
-    app: reloader
-    group: com.stakater.platform
-    provider: stakater
-    version: 0.0.14
-    chart: "reloader-0.0.14"
-    release: "RELEASE-NAME"
-    heritage: "Tiller"
-  name: reloader-role-binding
-  namespace: default
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: reloader-role
-subjects:
-  - kind: ServiceAccount
-    name: reloader
-    namespace: default
--- a/deployments/kubernetes/manifests/role.yaml
+++ b/deployments/kubernetes/manifests/role.yaml
@@ -0,0 +1,4 @@
+---
+# Source: reloader/templates/role.yaml
+
+
--- a/deployments/kubernetes/manifests/rolebinding.yaml
+++ b/deployments/kubernetes/manifests/rolebinding.yaml
@@ -0,0 +1,4 @@
+---
+# Source: reloader/templates/rolebinding.yaml
+
+
--- a/deployments/kubernetes/manifests/serviceaccount.yaml
+++ b/deployments/kubernetes/manifests/serviceaccount.yaml
@@ -0,0 +1,13 @@
+---
+# Source: reloader/templates/serviceaccount.yaml
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    app: reloader
+    chart: "reloader-v0.0.32"
+    release: "RELEASE-NAME"
+    heritage: "Tiller"
+  name: reloader
+
--- a/deployments/kubernetes/reloader.yaml
+++ b/deployments/kubernetes/reloader.yaml
@@ -1,16 +1,21 @@
+---
+# Source: reloader/templates/role.yaml
+
+
 ---
 # Source: reloader/templates/deployment.yaml
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
  labels:
    app: reloader
-    group: com.stakater.platform
-    provider: stakater
-    version: 0.0.14
-    chart: "reloader-0.0.14"
+    chart: "reloader-v0.0.32"
    release: "RELEASE-NAME"
    heritage: "Tiller"
+    group: com.stakater.platform
+    provider: stakater
+    version: v0.0.32
+    
  name: reloader
 spec:
  replicas: 1
@@ -18,46 +23,35 @@ spec:
  selector:
    matchLabels:
      app: reloader
-      group: com.stakater.platform
-      provider: stakater
+      release: "RELEASE-NAME"
  template:
    metadata:
      labels:
        app: reloader
+        chart: "reloader-v0.0.32"
+        release: "RELEASE-NAME"
+        heritage: "Tiller"
        group: com.stakater.platform
        provider: stakater
+        version: v0.0.32
+        
    spec:
      containers:
      - env:
-        image: "stakater/reloader:0.0.14"
+        image: "stakater/reloader:v0.0.32"
        imagePullPolicy: IfNotPresent
        name: reloader
      serviceAccountName: reloader
-              
---
-# Source: reloader/templates/rbac.yaml
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  labels:
-    app: reloader
-    group: com.stakater.platform
-    provider: stakater
-    version: 0.0.14
-    chart: "reloader-0.0.14"
-    release: "RELEASE-NAME"
-    heritage: "Tiller"
-  name: reloader
+
 ---
+# Source: reloader/templates/clusterrole.yaml
+
 apiVersion: rbac.authorization.k8s.io/v1beta1
 kind: ClusterRole
 metadata:
-  labels: 
+  labels:
    app: reloader
-    group: com.stakater.platform
-    provider: stakater
-    version: 0.0.14
-    chart: "reloader-0.0.14"
+    chart: "reloader-v0.0.32"
    release: "RELEASE-NAME"
    heritage: "Tiller"
  name: reloader-role
@@ -65,7 +59,7 @@ metadata:
 rules:
  - apiGroups:
      - ""
-    resources:      
+    resources:
      - secrets
      - configmaps
    verbs:
@@ -73,8 +67,6 @@ rules:
      - get
      - watch
  - apiGroups:
-      - ""
-      - "extensions"
      - "apps"
    resources:
      - deployments
@@ -85,16 +77,30 @@ rules:
      - get
      - update
      - patch
+  - apiGroups:
+      - "extensions"
+    resources:
+      - deployments
+      - daemonsets
+    verbs:
+      - list
+      - get
+      - update
+      - patch
+
 ---
+# Source: reloader/templates/rolebinding.yaml
+
+
+---
+# Source: reloader/templates/clusterrolebinding.yaml
+
 apiVersion: rbac.authorization.k8s.io/v1beta1
 kind: ClusterRoleBinding
 metadata:
-  labels: 
+  labels:
    app: reloader
-    group: com.stakater.platform
-    provider: stakater
-    version: 0.0.14
-    chart: "reloader-0.0.14"
+    chart: "reloader-v0.0.32"
    release: "RELEASE-NAME"
    heritage: "Tiller"
  name: reloader-role-binding
@@ -107,3 +113,17 @@ subjects:
  - kind: ServiceAccount
    name: reloader
    namespace: default
+
+---
+# Source: reloader/templates/serviceaccount.yaml
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    app: reloader
+    chart: "reloader-v0.0.32"
+    release: "RELEASE-NAME"
+    heritage: "Tiller"
+  name: reloader
+
--- a/deployments/kubernetes/templates/chart/Chart.yaml.tmpl
+++ b/deployments/kubernetes/templates/chart/Chart.yaml.tmpl
@@ -4,10 +4,26 @@ apiVersion: v1
 name: reloader
 description: Reloader chart that runs on kubernetes
 version: {{ getenv "VERSION" }}
+appVersion: {{ getenv "VERSION" }}
 keywords:
  - Reloader
  - kubernetes
 home: https://github.com/stakater/Reloader
+sources:
+- https://github.com/stakater/IngressMonitorController
+icon: https://raw.githubusercontent.com/stakater/Reloader/master/assets/web/reloader-round-100px.png
 maintainers:
 - name: Stakater
-  email: hello@stakater.com
+  email: hello@stakater.com
+- name: rasheedamir
+  email: rasheed@aurorasolutions.io
+- name: waseem-h
+  email: waseemhassan@stakater.com
+- name: faizanahmad055
+  email: faizan.ahmad55@outlook.com
+- name: kahootali
+  email: ali.kahoot@aurorasolutions.io
+- name: ahmadiq
+  email: ahmad@aurorasolutions.io
+- name: ahsan-storm
+  email: ahsanmuhammad1@outlook.com
--- a/deployments/kubernetes/templates/chart/values.yaml.tmpl
+++ b/deployments/kubernetes/templates/chart/values.yaml.tmpl
@@ -4,12 +4,76 @@ kubernetes:
  host: https://kubernetes.default

 reloader:
-  labels:
-    provider: stakater
-    group: com.stakater.platform
-    version: {{ getenv "VERSION" }}
-  image:
-    name: {{ getenv "DOCKER_IMAGE" }}
-    tag: "{{ getenv "VERSION" }}"
-    pullPolicy: IfNotPresent
-  watchGlobally: true
+  watchGlobally: true
+  # Set to true if you have a pod security policy that enforces readOnlyRootFilesystem
+  readOnlyRootFileSystem: false
+  matchLabels: {}
+  deployment:
+    nodeSelector:
+    # cloud.google.com/gke-nodepool: default-pool
+
+    # An affinity stanza to be applied to the Deployment.
+    # Example:
+    #   affinity:
+    #     nodeAffinity:
+    #       requiredDuringSchedulingIgnoredDuringExecution:
+    #         nodeSelectorTerms:
+    #         - matchExpressions:
+    #           - key: "node-role.kubernetes.io/infra-worker"
+    #             operator: "Exists"
+    affinity: {}
+
+    # A list of tolerations to be applied to the Deployment.
+    # Example:
+    #   tolerations:
+    #   - key: "node-role.kubernetes.io/infra-worker"
+    #     operator: "Exists"
+    #     effect: "NoSchedule"
+    tolerations: []
+
+    annotations: {}
+    labels:
+      provider: stakater
+      group: com.stakater.platform
+      version: {{ getenv "VERSION" }}
+    image:
+      name: {{ getenv "DOCKER_IMAGE" }}
+      tag: "{{ getenv "VERSION" }}"
+      pullPolicy: IfNotPresent
+    # Support for extra environment variables.
+    env:
+      # Open supports Key value pair as environment variables.
+      open:
+      # secret supports Key value pair as environment variables. It gets the values based on keys from default reloader secret if any.
+      secret:
+      # field supports Key value pair as environment variables. It gets the values from other fields of pod.
+      field:
+
+    # Specify resource requests/limits for the deployment.
+    # Example:
+    # resources:
+    #   limits:
+    #     cpu: "100m"
+    #     memory: "512Mi"
+    #   requests:
+    #     cpu: "10m"
+    #     memory: "128Mi"
+    resources: {}
+
+  rbac:
+    enabled: true
+    labels: {}
+  # Service account config for the agent pods
+  serviceAccount:
+    # Specifies whether a ServiceAccount should be created
+    create: true
+    labels: {}
+    # The name of the ServiceAccount to use.
+    # If not set and create is true, a name is generated using the fullname template
+    name: reloader
+  # Optional flags to pass to the Reloader entrypoint
+  # Example:
+  #   custom_annotations:
+  #     configmap: "my.company.com/configmap"
+  #     secret: "my.company.com/secret"
+  custom_annotations: {}
--- a/docs/How-it-works.md
+++ b/docs/How-it-works.md
@@ -1,6 +1,6 @@
 # How it works?

-Reloader watches for `ConfigMap` and `Secret` and detects if there are changes in data of these objects. After change detection reloader performs rolling upgrade on relevant Pods via associated `Deployment`, `Deamonset` and `Statefulset`.
+Reloader watches for `ConfigMap` and `Secret` and detects if there are changes in data of these objects. After change detection reloader performs rolling upgrade on relevant Pods via associated `Deployment`, `Daemonset` and `Statefulset`.

 ## How change detection works

@@ -17,23 +17,25 @@ The annotation value is comma separated list of `configmaps` or `secrets`. If a

 ### Annotation for Configmap

-For a `Deployment` called `foo` have a `ConfigMap` called `foo`. Then add this annotation to your `Deployment`
+For a `Deployment` called `foo` have a `ConfigMap` called `foo`. Then add this annotation* to your `Deployment`

 ```yaml
 metadata:
  annotations:
    configmap.reloader.stakater.com/reload: "foo"
 ```
+<small>*the default annotation can be changed with the `--configmap-annotation` flag</small>

 ### Annotation for Secret

-For a `Deployment` called `foo` have a `Secret` called `foo`. Then add this annotation to your `Deployment`
+For a `Deployment` called `foo` have a `Secret` called `foo`. Then add this annotation* to your `Deployment`

 ```yaml
 metadata:
  annotations:
    secret.reloader.stakater.com/reload: "foo"
 ```
+<small>*the default annotation can be changed with the `--secret-annotation` flag</small>

 Above mentioned annotation are also work for `Daemonsets` and `Statefulsets`

@@ -75,3 +77,6 @@ And render manifest file using helm command
 helm --namespace {replace this with namespace name} template . > reloader.yaml
 ```
 The output file can then be used to deploy reloader in specific namespace.
+
+## Compatibility with helm install and upgrade
+Reloader has no impact on helm deployment cycle. Reloader only injects an environment variable in  `deployment`, `daemonset` or `statefulset`. The environment variable contains the SHA1 value of configmap's or secret's data. So  if a deployment is created using Helm and Reloader updates the deployment, then next time you upgrade the helm release, reloader will do nothing except changing that environment variable value in `deployment` , `daemonset` or `statefulset`.
--- a/docs/Reloader-vs-ConfigmapController.md
+++ b/docs/Reloader-vs-ConfigmapController.md
@@ -8,4 +8,5 @@ Reloader is inspired from [Configmapcontroller](https://github.com/fabric8io/con
 | Reloader can watch both `secrets` and `configmaps`.                                                                                                                                                                                                                                                    | ConfigmapController can only watch changes in `configmaps`. It cannot detect changes in other resources like `secrets`.                                                                                                                                        |
 | Reloader can perform rolling upgrades on `deployments` as well as on `statefulsets` and `daemonsets`                                                                                                                                                                                                   | ConfigmapController can only perform rolling upgrades on `deployments`. It currently does not support rolling upgrades on `statefulsets` and `daemonsets`                                                                                                          |
 | Reloader provides both unit test cases and end to end integration test cases for future updates. So one can make sure that new changes do not break any old functionality.                                                                                                                                               | Currently there are not any unit test cases or end to end integration test cases in configmap controller. It add difficulties for any additional updates in configmap controller and one can not know for sure whether new changes breaks any old functionality or not. |
-| Reloader uses SHA1 to encode the change in configmap or secret. It then saves the SHA1 value in `STAKATER_FOO_CONFIGMAP` or `STAKATER_FOO_SECRET` environment variable depending upon where the change has happened. The use of SHA1 provides a concise 40 characters encoded value that is very less pron to collision. | Configmap controller uses `FABRICB_FOO_REVISION` environment variable to store any change in configmap controller. It does not encode it or convert it in suitable hash value to avoid data pollution in deployment.                                               |
+| Reloader uses SHA1 to encode the change in configmap or secret. It then saves the SHA1 value in `STAKATER_FOO_CONFIGMAP` or `STAKATER_FOO_SECRET` environment variable depending upon where the change has happened. The use of SHA1 provides a concise 40 characters encoded value that is very less pron to collision. | Configmap controller uses `FABRICB_FOO_REVISION` environment variable to store any change in configmap controller. It does not encode it or convert it in suitable hash value to avoid data pollution in deployment.                                               |
+| Reloader allows you to customize your own annotation (for both Secrets and Configmaps) using command line flags | Configmap controller restricts you to only their provided annotation |
--- a/docs/Reloader-vs-k8s-trigger-controller.md
+++ b/docs/Reloader-vs-k8s-trigger-controller.md
@@ -25,4 +25,16 @@ Reloader supports deployment rollout as well as daemonsets and statefulsets roll
 k8s-trigger-controller stores the hash value in an annotation `trigger.k8s.io/[secret|configMap]-NAME-last-hash`

 #### Reloader:
-Reloader stores the hash value in an environment variable `STAKATER_NAME_[SECRET|CONFIGMAP]`
+Reloader stores the hash value in an environment variable `STAKATER_NAME_[SECRET|CONFIGMAP]`
+
+### Customization
+
+#### k8s-trigger-controller:
+k8s-trigger-controller restricts you to using the `trigger.k8s.io/[secret-configMap]-NAME-last-hash` annotation
+
+#### Reloader:
+Reloader allows you to customize the annotation to fit your needs with command line flags:
+
+- `--auto-annotation <annotation>`
+- `--configmap-annotation <annotation>`
+- `--secret-annotation <annotation>`
--- a/docs/Reloader-with-Sealed-Secrets.md
+++ b/docs/Reloader-with-Sealed-Secrets.md
@@ -0,0 +1,11 @@
+Below are the steps to use reloader with Sealed Secrets.
+1. Download and install the kubeseal client from [here](https://github.com/bitnami-labs/sealed-secrets).
+2. Install the controller for sealed secrets
+3. Fetch the encryption certificate
+4. Encrypt the secret.
+5. Apply the secret.
+7. Install the tool which uses that sealed secret.
+8. Install Reloader.
+9. Once everything is setup, update the original secret at client and encrypt it with kubeseal to see reloader working.
+10. Apply the updated sealed secret.
+11. Reloader will resatart the pod to use that updated secret.
--- a/internal/pkg/callbacks/rolling_upgrade.go
+++ b/internal/pkg/callbacks/rolling_upgrade.go
@@ -4,7 +4,7 @@ import (
 	"github.com/sirupsen/logrus"
 	"github.com/stakater/Reloader/internal/pkg/util"
 	apps_v1beta1 "k8s.io/api/apps/v1beta1"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	"k8s.io/api/extensions/v1beta1"
 	meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
@@ -16,15 +16,23 @@ type ItemsFunc func(kubernetes.Interface, string) []interface{}
 //ContainersFunc is a generic func to return containers
 type ContainersFunc func(interface{}) []v1.Container

+//InitContainersFunc is a generic func to return containers
+type InitContainersFunc func(interface{}) []v1.Container
+
+//VolumesFunc is a generic func to return volumes
+type VolumesFunc func(interface{}) []v1.Volume
+
 //UpdateFunc performs the resource update
 type UpdateFunc func(kubernetes.Interface, string, interface{}) error

 //RollingUpgradeFuncs contains generic functions to perform rolling upgrade
 type RollingUpgradeFuncs struct {
-	ItemsFunc      ItemsFunc
-	ContainersFunc ContainersFunc
-	UpdateFunc     UpdateFunc
-	ResourceType   string
+	ItemsFunc          ItemsFunc
+	ContainersFunc     ContainersFunc
+	InitContainersFunc InitContainersFunc
+	UpdateFunc         UpdateFunc
+	VolumesFunc        VolumesFunc
+	ResourceType       string
 }

 // GetDeploymentItems returns the deployments in given namespace
@@ -69,6 +77,21 @@ func GetStatefulsetContainers(item interface{}) []v1.Container {
 	return item.(apps_v1beta1.StatefulSet).Spec.Template.Spec.Containers
 }

+// GetDeploymentInitContainers returns the containers of given deployment
+func GetDeploymentInitContainers(item interface{}) []v1.Container {
+	return item.(v1beta1.Deployment).Spec.Template.Spec.InitContainers
+}
+
+// GetDaemonSetInitContainers returns the containers of given daemonset
+func GetDaemonSetInitContainers(item interface{}) []v1.Container {
+	return item.(v1beta1.DaemonSet).Spec.Template.Spec.InitContainers
+}
+
+// GetStatefulsetInitContainers returns the containers of given statefulSet
+func GetStatefulsetInitContainers(item interface{}) []v1.Container {
+	return item.(apps_v1beta1.StatefulSet).Spec.Template.Spec.InitContainers
+}
+
 // UpdateDeployment performs rolling upgrade on deployment
 func UpdateDeployment(client kubernetes.Interface, namespace string, resource interface{}) error {
 	deployment := resource.(v1beta1.Deployment)
@@ -89,3 +112,18 @@ func UpdateStatefulset(client kubernetes.Interface, namespace string, resource i
 	_, err := client.AppsV1beta1().StatefulSets(namespace).Update(&statefulSet)
 	return err
 }
+
+// GetDeploymentVolumes returns the Volumes of given deployment
+func GetDeploymentVolumes(item interface{}) []v1.Volume {
+	return item.(v1beta1.Deployment).Spec.Template.Spec.Volumes
+}
+
+// GetDaemonSetVolumes returns the Volumes of given daemonset
+func GetDaemonSetVolumes(item interface{}) []v1.Volume {
+	return item.(v1beta1.DaemonSet).Spec.Template.Spec.Volumes
+}
+
+// GetStatefulsetVolumes returns the Volumes of given statefulSet
+func GetStatefulsetVolumes(item interface{}) []v1.Volume {
+	return item.(apps_v1beta1.StatefulSet).Spec.Template.Spec.Volumes
+}
--- a/internal/pkg/cmd/reloader.go
+++ b/internal/pkg/cmd/reloader.go
@@ -6,6 +6,7 @@ import (
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/stakater/Reloader/internal/pkg/controller"
+	"github.com/stakater/Reloader/internal/pkg/options"
 	"github.com/stakater/Reloader/pkg/kube"
 	"k8s.io/apimachinery/pkg/apis/meta/v1"
 )
@@ -17,6 +18,12 @@ func NewReloaderCommand() *cobra.Command {
 		Short: "A watcher for your Kubernetes cluster",
 		Run:   startReloader,
 	}
+
+	// options
+	cmd.PersistentFlags().StringVar(&options.ConfigmapUpdateOnChangeAnnotation, "configmap-annotation", "configmap.reloader.stakater.com/reload", "annotation to detect changes in configmaps")
+	cmd.PersistentFlags().StringVar(&options.SecretUpdateOnChangeAnnotation, "secret-annotation", "secret.reloader.stakater.com/reload", "annotation to detect changes in secrets")
+	cmd.PersistentFlags().StringVar(&options.ReloaderAutoAnnotation, "auto-annotation", "reloader.stakater.com/auto", "annotation to detect changes in secrets")
+
 	return cmd
 }

@@ -43,7 +50,7 @@ func startReloader(cmd *cobra.Command, args []string) {
 		// Now let's start the controller
 		stop := make(chan struct{})
 		defer close(stop)
-
+		logrus.Infof("Starting Controller to watch resource type: %s", k)
 		go c.Run(1, stop)
 	}

--- a/internal/pkg/constants/enums.go
+++ b/internal/pkg/constants/enums.go
@@ -0,0 +1,15 @@
+package constants
+
+// Result is a status for deployment update
+type Result int
+
+const (
+	// Updated is returned when environment variable is created/updated
+	Updated Result = 1 + iota
+	// NotUpdated is returned when environment variable is found but had value equals to the new value
+	NotUpdated
+	// NoEnvVarFound is returned when no environment variable is found
+	NoEnvVarFound
+	// NoContainerFound is returned when no environment variable is found
+	NoContainerFound
+)
--- a/internal/pkg/controller/controller.go
+++ b/internal/pkg/controller/controller.go
@@ -64,13 +64,11 @@ func (c *Controller) Update(old interface{}, new interface{}) {

 // Delete function to add an object to the queue in case of deleting a resource
 func (c *Controller) Delete(old interface{}) {
-	logrus.Infof("Resource deletion has been detected but no further implementation found to take action")
+	// Todo: Any future delete event can be handled here
 }

 //Run function for controller which handles the queue
 func (c *Controller) Run(threadiness int, stopCh chan struct{}) {
-
-	logrus.Infof("Starting Controller")
 	defer runtime.HandleCrash()

 	// Let the workers stop when we are done
--- a/internal/pkg/controller/controller_test.go
+++ b/internal/pkg/controller/controller_test.go
@@ -6,8 +6,9 @@ import (
 	"time"

 	"github.com/sirupsen/logrus"
-	"github.com/stakater/Reloader/internal/pkg/callbacks"
 	"github.com/stakater/Reloader/internal/pkg/constants"
+	"github.com/stakater/Reloader/internal/pkg/handler"
+	"github.com/stakater/Reloader/internal/pkg/options"
 	"github.com/stakater/Reloader/internal/pkg/testutil"
 	"github.com/stakater/Reloader/internal/pkg/util"
 	"github.com/stakater/Reloader/pkg/kube"
@@ -60,7 +61,7 @@ func TestControllerUpdatingConfigmapShouldCreateEnvInDeployment(t *testing.T) {
 	}

 	// Creating deployment
-	_, err = testutil.CreateDeployment(client, configmapName, namespace)
+	_, err = testutil.CreateDeployment(client, configmapName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in deployment creation: %v", err)
 	}
@@ -78,14 +79,122 @@ func TestControllerUpdatingConfigmapShouldCreateEnvInDeployment(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: configmapName,
 		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
 	}
-	deploymentFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDeploymentItems,
-		ContainersFunc: callbacks.GetDeploymentContainers,
-		UpdateFunc:     callbacks.UpdateDeployment,
-		ResourceType:   "Deployment",
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
 	}
+	time.Sleep(5 * time.Second)
+
+	// Deleting deployment
+	err = testutil.DeleteDeployment(client, namespace, configmapName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the deployment %v", err)
+	}
+
+	// Deleting configmap
+	err = testutil.DeleteConfigMap(client, namespace, configmapName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the configmap %v", err)
+	}
+	time.Sleep(5 * time.Second)
+}
+
+// Perform rolling upgrade on deployment and create env var upon updating the configmap
+func TestControllerUpdatingConfigmapShouldAutoCreateEnvInDeployment(t *testing.T) {
+
+	// Creating configmap
+	configmapName := configmapNamePrefix + "-update-" + testutil.RandSeq(5)
+	configmapClient, err := testutil.CreateConfigMap(client, namespace, configmapName, "www.google.com")
+	if err != nil {
+		t.Errorf("Error while creating the configmap %v", err)
+	}
+
+	// Creating deployment
+	_, err = testutil.CreateDeployment(client, configmapName, namespace, false)
+	if err != nil {
+		t.Errorf("Error  in deployment creation: %v", err)
+	}
+
+	// Updating configmap for first time
+	updateErr := testutil.UpdateConfigMap(configmapClient, namespace, configmapName, "", "www.stakater.com")
+	if updateErr != nil {
+		t.Errorf("Configmap was not updated")
+	}
+
+	// Verifying deployment update
+	logrus.Infof("Verifying env var has been created")
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapName, "www.stakater.com")
+	config := util.Config{
+		Namespace:    namespace,
+		ResourceName: configmapName,
+		SHAValue:     shaData,
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
+	}
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+	time.Sleep(5 * time.Second)
+
+	// Deleting deployment
+	err = testutil.DeleteDeployment(client, namespace, configmapName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the deployment %v", err)
+	}
+
+	// Deleting configmap
+	err = testutil.DeleteConfigMap(client, namespace, configmapName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the configmap %v", err)
+	}
+	time.Sleep(5 * time.Second)
+}
+
+// Perform rolling upgrade on deployment and create env var upon creating the configmap
+func TestControllerCreatingConfigmapShouldCreateEnvInDeployment(t *testing.T) {
+
+	// Creating configmap
+	configmapName := configmapNamePrefix + "-create-" + testutil.RandSeq(5)
+	_, err := testutil.CreateConfigMap(client, namespace, configmapName, "www.google.com")
+	if err != nil {
+		t.Errorf("Error while creating the configmap %v", err)
+	}
+
+	// Creating deployment
+	_, err = testutil.CreateDeployment(client, configmapName, namespace, true)
+	if err != nil {
+		t.Errorf("Error  in deployment creation: %v", err)
+	}
+
+	// Deleting configmap for first time
+	err = testutil.DeleteConfigMap(client, namespace, configmapName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the configmap %v", err)
+	}
+
+	time.Sleep(5 * time.Second)
+
+	_, err = testutil.CreateConfigMap(client, namespace, configmapName, "www.stakater.com")
+	if err != nil {
+		t.Errorf("Error while creating the configmap second time %v", err)
+	}
+
+	time.Sleep(5 * time.Second)
+
+	// Verifying deployment update
+	logrus.Infof("Verifying env var has been created")
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapName, "www.stakater.com")
+	config := util.Config{
+		Namespace:    namespace,
+		ResourceName: configmapName,
+		SHAValue:     shaData,
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
+	}
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
 	if !updated {
 		t.Errorf("Deployment was not updated")
@@ -116,7 +225,7 @@ func TestControllerForUpdatingConfigmapShouldUpdateDeployment(t *testing.T) {
 	}

 	// Creating deployment
-	_, err = testutil.CreateDeployment(client, configmapName, namespace)
+	_, err = testutil.CreateDeployment(client, configmapName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in deployment creation: %v", err)
 	}
@@ -140,15 +249,10 @@ func TestControllerForUpdatingConfigmapShouldUpdateDeployment(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: configmapName,
 		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
 	}

-	deploymentFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDeploymentItems,
-		ContainersFunc: callbacks.GetDeploymentContainers,
-		UpdateFunc:     callbacks.UpdateDeployment,
-		ResourceType:   "Deployment",
-	}
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()

 	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
 	if !updated {
@@ -180,7 +284,7 @@ func TestControllerUpdatingConfigmapLabelsShouldNotCreateorUpdateEnvInDeployment
 	}

 	// Creating deployment
-	_, err = testutil.CreateDeployment(client, configmapName, namespace)
+	_, err = testutil.CreateDeployment(client, configmapName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in deployment creation: %v", err)
 	}
@@ -198,14 +302,9 @@ func TestControllerUpdatingConfigmapLabelsShouldNotCreateorUpdateEnvInDeployment
 		Namespace:    namespace,
 		ResourceName: configmapName,
 		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-	}
-	deploymentFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDeploymentItems,
-		ContainersFunc: callbacks.GetDeploymentContainers,
-		UpdateFunc:     callbacks.UpdateDeployment,
-		ResourceType:   "Deployment",
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
 	}
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
 	if updated {
 		t.Errorf("Deployment should not be updated by changing label")
@@ -226,7 +325,66 @@ func TestControllerUpdatingConfigmapLabelsShouldNotCreateorUpdateEnvInDeployment
 	time.Sleep(5 * time.Second)
 }

-// Perform rolling upgrade on secret and create a env var upon updating the secret
+// Perform rolling upgrade on pod and create a env var upon creating the secret
+func TestControllerCreatingSecretShouldCreateEnvInDeployment(t *testing.T) {
+	// Creating secret
+	secretName := secretNamePrefix + "-create-" + testutil.RandSeq(5)
+	_, err := testutil.CreateSecret(client, namespace, secretName, data)
+	if err != nil {
+		t.Errorf("Error  in secret creation: %v", err)
+	}
+
+	// Creating deployment
+	_, err = testutil.CreateDeployment(client, secretName, namespace, true)
+	if err != nil {
+		t.Errorf("Error  in deployment creation: %v", err)
+	}
+
+	//Deleting Secret
+	err = testutil.DeleteSecret(client, namespace, secretName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the secret %v", err)
+	}
+	time.Sleep(5 * time.Second)
+
+	_, err = testutil.CreateSecret(client, namespace, secretName, newData)
+	if err != nil {
+		t.Errorf("Error  in secret creation: %v", err)
+	}
+
+	time.Sleep(5 * time.Second)
+
+	// Verifying Upgrade
+	logrus.Infof("Verifying env var has been created")
+	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretName, newData)
+	config := util.Config{
+		Namespace:    namespace,
+		ResourceName: secretName,
+		SHAValue:     shaData,
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
+	}
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()
+	time.Sleep(5 * time.Second)
+	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+
+	// Deleting Deployment
+	err = testutil.DeleteDeployment(client, namespace, secretName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the deployment %v", err)
+	}
+
+	//Deleting Secret
+	err = testutil.DeleteSecret(client, namespace, secretName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the secret %v", err)
+	}
+	time.Sleep(5 * time.Second)
+}
+
+// Perform rolling upgrade on pod and create a env var upon updating the secret
 func TestControllerUpdatingSecretShouldCreateEnvInDeployment(t *testing.T) {
 	// Creating secret
 	secretName := secretNamePrefix + "-update-" + testutil.RandSeq(5)
@@ -236,7 +394,7 @@ func TestControllerUpdatingSecretShouldCreateEnvInDeployment(t *testing.T) {
 	}

 	// Creating deployment
-	_, err = testutil.CreateDeployment(client, secretName, namespace)
+	_, err = testutil.CreateDeployment(client, secretName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in deployment creation: %v", err)
 	}
@@ -254,14 +412,9 @@ func TestControllerUpdatingSecretShouldCreateEnvInDeployment(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: secretName,
 		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	deploymentFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDeploymentItems,
-		ContainersFunc: callbacks.GetDeploymentContainers,
-		UpdateFunc:     callbacks.UpdateDeployment,
-		ResourceType:   "Deployment",
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
 	}
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
 	if !updated {
 		t.Errorf("Deployment was not updated")
@@ -291,7 +444,7 @@ func TestControllerUpdatingSecretShouldUpdateEnvInDeployment(t *testing.T) {
 	}

 	// Creating deployment
-	_, err = testutil.CreateDeployment(client, secretName, namespace)
+	_, err = testutil.CreateDeployment(client, secretName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in deployment creation: %v", err)
 	}
@@ -315,14 +468,9 @@ func TestControllerUpdatingSecretShouldUpdateEnvInDeployment(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: secretName,
 		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	deploymentFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDeploymentItems,
-		ContainersFunc: callbacks.GetDeploymentContainers,
-		UpdateFunc:     callbacks.UpdateDeployment,
-		ResourceType:   "Deployment",
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
 	}
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
 	if !updated {
 		t.Errorf("Deployment was not updated")
@@ -342,7 +490,7 @@ func TestControllerUpdatingSecretShouldUpdateEnvInDeployment(t *testing.T) {
 	time.Sleep(5 * time.Second)
 }

-// Do not Perform rolling upgrade on secret and create or update a env var upon updating the label in secret
+// Do not Perform rolling upgrade on pod and create or update a env var upon updating the label in secret
 func TestControllerUpdatingSecretLabelsShouldNotCreateorUpdateEnvInDeployment(t *testing.T) {
 	// Creating secret
 	secretName := secretNamePrefix + "-update-" + testutil.RandSeq(5)
@@ -352,7 +500,7 @@ func TestControllerUpdatingSecretLabelsShouldNotCreateorUpdateEnvInDeployment(t
 	}

 	// Creating deployment
-	_, err = testutil.CreateDeployment(client, secretName, namespace)
+	_, err = testutil.CreateDeployment(client, secretName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in deployment creation: %v", err)
 	}
@@ -369,14 +517,9 @@ func TestControllerUpdatingSecretLabelsShouldNotCreateorUpdateEnvInDeployment(t
 		Namespace:    namespace,
 		ResourceName: secretName,
 		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	deploymentFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDeploymentItems,
-		ContainersFunc: callbacks.GetDeploymentContainers,
-		UpdateFunc:     callbacks.UpdateDeployment,
-		ResourceType:   "Deployment",
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
 	}
+	deploymentFuncs := handler.GetDeploymentRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
 	if updated {
 		t.Errorf("Deployment should not be updated by changing label in secret")
@@ -406,7 +549,7 @@ func TestControllerUpdatingConfigmapShouldCreateEnvInDaemonSet(t *testing.T) {
 	}

 	// Creating DaemonSet
-	_, err = testutil.CreateDaemonSet(client, configmapName, namespace)
+	_, err = testutil.CreateDaemonSet(client, configmapName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in DaemonSet creation: %v", err)
 	}
@@ -424,14 +567,9 @@ func TestControllerUpdatingConfigmapShouldCreateEnvInDaemonSet(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: configmapName,
 		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-	}
-	daemonSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDaemonSetItems,
-		ContainersFunc: callbacks.GetDaemonSetContainers,
-		UpdateFunc:     callbacks.UpdateDaemonSet,
-		ResourceType:   "DaemonSet",
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
 	}
+	daemonSetFuncs := handler.GetDaemonSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, daemonSetFuncs)
 	if !updated {
 		t.Errorf("DaemonSet was not updated")
@@ -462,7 +600,7 @@ func TestControllerForUpdatingConfigmapShouldUpdateDaemonSet(t *testing.T) {
 	}

 	// Creating DaemonSet
-	_, err = testutil.CreateDaemonSet(client, configmapName, namespace)
+	_, err = testutil.CreateDaemonSet(client, configmapName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in DaemonSet creation: %v", err)
 	}
@@ -473,12 +611,16 @@ func TestControllerForUpdatingConfigmapShouldUpdateDaemonSet(t *testing.T) {
 		t.Errorf("Configmap was not updated")
 	}

+	time.Sleep(5 * time.Second)
+
 	// Updating configmap for second time
 	updateErr = testutil.UpdateConfigMap(configmapClient, namespace, configmapName, "", "aurorasolutions.io")
 	if updateErr != nil {
 		t.Errorf("Configmap was not updated")
 	}

+	time.Sleep(5 * time.Second)
+
 	// Verifying DaemonSet update
 	logrus.Infof("Verifying env var has been updated")
 	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapName, "aurorasolutions.io")
@@ -486,14 +628,9 @@ func TestControllerForUpdatingConfigmapShouldUpdateDaemonSet(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: configmapName,
 		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-	}
-	daemonSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDaemonSetItems,
-		ContainersFunc: callbacks.GetDaemonSetContainers,
-		UpdateFunc:     callbacks.UpdateDaemonSet,
-		ResourceType:   "DaemonSet",
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
 	}
+	daemonSetFuncs := handler.GetDaemonSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, daemonSetFuncs)
 	if !updated {
 		t.Errorf("DaemonSet was not updated")
@@ -514,7 +651,7 @@ func TestControllerForUpdatingConfigmapShouldUpdateDaemonSet(t *testing.T) {
 	time.Sleep(5 * time.Second)
 }

-// Perform rolling upgrade on secret and create a env var upon updating the secret
+// Perform rolling upgrade on pod and create a env var upon updating the secret
 func TestControllerUpdatingSecretShouldCreateEnvInDaemonSet(t *testing.T) {
 	// Creating secret
 	secretName := secretNamePrefix + "-update-" + testutil.RandSeq(5)
@@ -524,7 +661,7 @@ func TestControllerUpdatingSecretShouldCreateEnvInDaemonSet(t *testing.T) {
 	}

 	// Creating DaemonSet
-	_, err = testutil.CreateDaemonSet(client, secretName, namespace)
+	_, err = testutil.CreateDaemonSet(client, secretName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in DaemonSet creation: %v", err)
 	}
@@ -542,14 +679,9 @@ func TestControllerUpdatingSecretShouldCreateEnvInDaemonSet(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: secretName,
 		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	daemonSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDaemonSetItems,
-		ContainersFunc: callbacks.GetDaemonSetContainers,
-		UpdateFunc:     callbacks.UpdateDaemonSet,
-		ResourceType:   "DaemonSet",
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
 	}
+	daemonSetFuncs := handler.GetDaemonSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, daemonSetFuncs)
 	if !updated {
 		t.Errorf("DaemonSet was not updated")
@@ -579,7 +711,7 @@ func TestControllerUpdatingSecretShouldUpdateEnvInDaemonSet(t *testing.T) {
 	}

 	// Creating DaemonSet
-	_, err = testutil.CreateDaemonSet(client, secretName, namespace)
+	_, err = testutil.CreateDaemonSet(client, secretName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in DaemonSet creation: %v", err)
 	}
@@ -604,14 +736,9 @@ func TestControllerUpdatingSecretShouldUpdateEnvInDaemonSet(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: secretName,
 		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	daemonSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDaemonSetItems,
-		ContainersFunc: callbacks.GetDaemonSetContainers,
-		UpdateFunc:     callbacks.UpdateDaemonSet,
-		ResourceType:   "DaemonSet",
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
 	}
+	daemonSetFuncs := handler.GetDaemonSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, daemonSetFuncs)
 	if !updated {
 		t.Errorf("DaemonSet was not updated")
@@ -631,7 +758,7 @@ func TestControllerUpdatingSecretShouldUpdateEnvInDaemonSet(t *testing.T) {
 	time.Sleep(5 * time.Second)
 }

-// Do not Perform rolling upgrade on secret and create or update a env var upon updating the label in secret
+// Do not Perform rolling upgrade on pod and create or update a env var upon updating the label in secret
 func TestControllerUpdatingSecretLabelsShouldNotCreateorUpdateEnvInDaemonSet(t *testing.T) {
 	// Creating secret
 	secretName := secretNamePrefix + "-update-" + testutil.RandSeq(5)
@@ -641,7 +768,7 @@ func TestControllerUpdatingSecretLabelsShouldNotCreateorUpdateEnvInDaemonSet(t *
 	}

 	// Creating DaemonSet
-	_, err = testutil.CreateDaemonSet(client, secretName, namespace)
+	_, err = testutil.CreateDaemonSet(client, secretName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in DaemonSet creation: %v", err)
 	}
@@ -658,14 +785,9 @@ func TestControllerUpdatingSecretLabelsShouldNotCreateorUpdateEnvInDaemonSet(t *
 		Namespace:    namespace,
 		ResourceName: secretName,
 		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	daemonSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDaemonSetItems,
-		ContainersFunc: callbacks.GetDaemonSetContainers,
-		UpdateFunc:     callbacks.UpdateDaemonSet,
-		ResourceType:   "DaemonSet",
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
 	}
+	daemonSetFuncs := handler.GetDaemonSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, daemonSetFuncs)
 	if updated {
 		t.Errorf("DaemonSet should not be updated by changing label in secret")
@@ -695,7 +817,7 @@ func TestControllerUpdatingConfigmapShouldCreateEnvInStatefulSet(t *testing.T) {
 	}

 	// Creating StatefulSet
-	_, err = testutil.CreateStatefulSet(client, configmapName, namespace)
+	_, err = testutil.CreateStatefulSet(client, configmapName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in StatefulSet creation: %v", err)
 	}
@@ -713,14 +835,9 @@ func TestControllerUpdatingConfigmapShouldCreateEnvInStatefulSet(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: configmapName,
 		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-	}
-	statefulSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetStatefulSetItems,
-		ContainersFunc: callbacks.GetStatefulsetContainers,
-		UpdateFunc:     callbacks.UpdateStatefulset,
-		ResourceType:   "StatefulSet",
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
 	}
+	statefulSetFuncs := handler.GetStatefulSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, statefulSetFuncs)
 	if !updated {
 		t.Errorf("StatefulSet was not updated")
@@ -751,7 +868,7 @@ func TestControllerForUpdatingConfigmapShouldUpdateStatefulSet(t *testing.T) {
 	}

 	// Creating StatefulSet
-	_, err = testutil.CreateStatefulSet(client, configmapName, namespace)
+	_, err = testutil.CreateStatefulSet(client, configmapName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in StatefulSet creation: %v", err)
 	}
@@ -775,14 +892,9 @@ func TestControllerForUpdatingConfigmapShouldUpdateStatefulSet(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: configmapName,
 		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-	}
-	statefulSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetStatefulSetItems,
-		ContainersFunc: callbacks.GetStatefulsetContainers,
-		UpdateFunc:     callbacks.UpdateStatefulset,
-		ResourceType:   "StatefulSet",
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
 	}
+	statefulSetFuncs := handler.GetStatefulSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, statefulSetFuncs)
 	if !updated {
 		t.Errorf("StatefulSet was not updated")
@@ -803,7 +915,7 @@ func TestControllerForUpdatingConfigmapShouldUpdateStatefulSet(t *testing.T) {
 	time.Sleep(5 * time.Second)
 }

-// Perform rolling upgrade on secret and create a env var upon updating the secret
+// Perform rolling upgrade on pod and create a env var upon updating the secret
 func TestControllerUpdatingSecretShouldCreateEnvInStatefulSet(t *testing.T) {
 	// Creating secret
 	secretName := secretNamePrefix + "-update-" + testutil.RandSeq(5)
@@ -813,7 +925,7 @@ func TestControllerUpdatingSecretShouldCreateEnvInStatefulSet(t *testing.T) {
 	}

 	// Creating StatefulSet
-	_, err = testutil.CreateStatefulSet(client, secretName, namespace)
+	_, err = testutil.CreateStatefulSet(client, secretName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in StatefulSet creation: %v", err)
 	}
@@ -831,14 +943,9 @@ func TestControllerUpdatingSecretShouldCreateEnvInStatefulSet(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: secretName,
 		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	statefulSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetStatefulSetItems,
-		ContainersFunc: callbacks.GetStatefulsetContainers,
-		UpdateFunc:     callbacks.UpdateStatefulset,
-		ResourceType:   "StatefulSet",
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
 	}
+	statefulSetFuncs := handler.GetStatefulSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, statefulSetFuncs)
 	if !updated {
 		t.Errorf("StatefulSet was not updated")
@@ -868,7 +975,7 @@ func TestControllerUpdatingSecretShouldUpdateEnvInStatefulSet(t *testing.T) {
 	}

 	// Creating StatefulSet
-	_, err = testutil.CreateStatefulSet(client, secretName, namespace)
+	_, err = testutil.CreateStatefulSet(client, secretName, namespace, true)
 	if err != nil {
 		t.Errorf("Error  in StatefulSet creation: %v", err)
 	}
@@ -892,14 +999,9 @@ func TestControllerUpdatingSecretShouldUpdateEnvInStatefulSet(t *testing.T) {
 		Namespace:    namespace,
 		ResourceName: secretName,
 		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	statefulSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetStatefulSetItems,
-		ContainersFunc: callbacks.GetStatefulsetContainers,
-		UpdateFunc:     callbacks.UpdateStatefulset,
-		ResourceType:   "StatefulSet",
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
 	}
+	statefulSetFuncs := handler.GetStatefulSetRollingUpgradeFuncs()
 	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, statefulSetFuncs)
 	if !updated {
 		t.Errorf("StatefulSet was not updated")
--- a/internal/pkg/handler/create.go
+++ b/internal/pkg/handler/create.go
@@ -2,6 +2,8 @@ package handler

 import (
 	"github.com/sirupsen/logrus"
+	"github.com/stakater/Reloader/internal/pkg/util"
+	"k8s.io/api/core/v1"
 )

 // ResourceCreatedHandler contains new objects
@@ -13,6 +15,24 @@ type ResourceCreatedHandler struct {
 func (r ResourceCreatedHandler) Handle() error {
 	if r.Resource == nil {
 		logrus.Errorf("Resource creation handler received nil resource")
+	} else {
+		config, _ := r.GetConfig()
+		// process resource based on its type
+		doRollingUpgrade(config)
 	}
 	return nil
 }
+
+// GetConfig gets configurations containing SHA, annotations, namespace and resource name
+func (r ResourceCreatedHandler) GetConfig() (util.Config, string) {
+	var oldSHAData string
+	var config util.Config
+	if _, ok := r.Resource.(*v1.ConfigMap); ok {
+		config = util.GetConfigmapConfig(r.Resource.(*v1.ConfigMap))
+	} else if _, ok := r.Resource.(*v1.Secret); ok {
+		config = util.GetSecretConfig(r.Resource.(*v1.Secret))
+	} else {
+		logrus.Warnf("Invalid resource: Resource should be 'Secret' or 'Configmap' but found, %v", r.Resource)
+	}
+	return config, oldSHAData
+}
--- a/internal/pkg/handler/handler.go
+++ b/internal/pkg/handler/handler.go
@@ -1,6 +1,11 @@
 package handler

+import (
+	"github.com/stakater/Reloader/internal/pkg/util"
+)
+
 // ResourceHandler handles the creation and update of resources
 type ResourceHandler interface {
 	Handle() error
+	GetConfig() (util.Config, string)
 }
--- a/internal/pkg/handler/update.go
+++ b/internal/pkg/handler/update.go
@@ -1,17 +1,9 @@
 package handler

 import (
-	"sort"
-	"strings"
-
 	"github.com/sirupsen/logrus"
-	"github.com/stakater/Reloader/internal/pkg/callbacks"
-	"github.com/stakater/Reloader/internal/pkg/constants"
-	"github.com/stakater/Reloader/internal/pkg/crypto"
 	"github.com/stakater/Reloader/internal/pkg/util"
-	"github.com/stakater/Reloader/pkg/kube"
-	"k8s.io/api/core/v1"
-	"k8s.io/client-go/kubernetes"
+    "k8s.io/api/core/v1"
 )

 // ResourceUpdatedHandler contains updated objects
@@ -25,162 +17,27 @@ func (r ResourceUpdatedHandler) Handle() error {
 	if r.Resource == nil || r.OldResource == nil {
 		logrus.Errorf("Resource update handler received nil resource")
 	} else {
-		config, envVarPostfix, oldSHAData := getConfig(r)
+		config, oldSHAData := r.GetConfig()
 		if config.SHAValue != oldSHAData {
-			logrus.Infof("Changes detected in %s of type '%s' in namespace: %s", config.ResourceName, envVarPostfix, config.Namespace)
 			// process resource based on its type
-			rollingUpgrade(r, config, envVarPostfix, callbacks.RollingUpgradeFuncs{
-				ItemsFunc:      callbacks.GetDeploymentItems,
-				ContainersFunc: callbacks.GetDeploymentContainers,
-				UpdateFunc:     callbacks.UpdateDeployment,
-				ResourceType:   "Deployment",
-			})
-			rollingUpgrade(r, config, envVarPostfix, callbacks.RollingUpgradeFuncs{
-				ItemsFunc:      callbacks.GetDaemonSetItems,
-				ContainersFunc: callbacks.GetDaemonSetContainers,
-				UpdateFunc:     callbacks.UpdateDaemonSet,
-				ResourceType:   "DaemonSet",
-			})
-			rollingUpgrade(r, config, envVarPostfix, callbacks.RollingUpgradeFuncs{
-				ItemsFunc:      callbacks.GetStatefulSetItems,
-				ContainersFunc: callbacks.GetStatefulsetContainers,
-				UpdateFunc:     callbacks.UpdateStatefulset,
-				ResourceType:   "StatefulSet",
-			})
+			doRollingUpgrade(config)
 		}
 	}
 	return nil
 }

-func rollingUpgrade(r ResourceUpdatedHandler, config util.Config, envarPostfix string, upgradeFuncs callbacks.RollingUpgradeFuncs) {
-	client, err := kube.GetClient()
-	if err != nil {
-		logrus.Fatalf("Unable to create Kubernetes client error = %v", err)
-	}
-
-	err = PerformRollingUpgrade(client, config, envarPostfix, upgradeFuncs)
-	if err != nil {
-		logrus.Errorf("Rolling upgrade for %s failed with error = %v", config.ResourceName, err)
-	}
-}
-
-func getConfig(r ResourceUpdatedHandler) (util.Config, string, string) {
-	var oldSHAData, envVarPostfix string
+// GetConfig gets configurations containing SHA, annotations, namespace and resource name
+func (r ResourceUpdatedHandler) GetConfig() (util.Config, string) {
+	var oldSHAData string
 	var config util.Config
 	if _, ok := r.Resource.(*v1.ConfigMap); ok {
-		oldSHAData = getSHAfromConfigmap(r.OldResource.(*v1.ConfigMap).Data)
-		config = getConfigmapConfig(r)
-		envVarPostfix = constants.ConfigmapEnvVarPostfix
+		oldSHAData = util.GetSHAfromConfigmap(r.OldResource.(*v1.ConfigMap).Data)
+		config = util.GetConfigmapConfig(r.Resource.(*v1.ConfigMap))
 	} else if _, ok := r.Resource.(*v1.Secret); ok {
-		oldSHAData = getSHAfromSecret(r.OldResource.(*v1.Secret).Data)
-		config = getSecretConfig(r)
-		envVarPostfix = constants.SecretEnvVarPostfix
+		oldSHAData = util.GetSHAfromSecret(r.OldResource.(*v1.Secret).Data)
+		config = util.GetSecretConfig(r.Resource.(*v1.Secret))
 	} else {
 		logrus.Warnf("Invalid resource: Resource should be 'Secret' or 'Configmap' but found, %v", r.Resource)
 	}
-	return config, envVarPostfix, oldSHAData
-}
-
-func getConfigmapConfig(r ResourceUpdatedHandler) util.Config {
-	configmap := r.Resource.(*v1.ConfigMap)
-	return util.Config{
-		Namespace:    configmap.Namespace,
-		ResourceName: configmap.Name,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-		SHAValue:     getSHAfromConfigmap(configmap.Data),
-	}
-}
-
-func getSecretConfig(r ResourceUpdatedHandler) util.Config {
-	secret := r.Resource.(*v1.Secret)
-	return util.Config{
-		Namespace:    secret.Namespace,
-		ResourceName: secret.Name,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-		SHAValue:     getSHAfromSecret(secret.Data),
-	}
-}
-
-// PerformRollingUpgrade upgrades the deployment if there is any change in configmap or secret data
-func PerformRollingUpgrade(client kubernetes.Interface, config util.Config, envarPostfix string, upgradeFuncs callbacks.RollingUpgradeFuncs) error {
-	items := upgradeFuncs.ItemsFunc(client, config.Namespace)
-	var err error
-	for _, i := range items {
-		containers := upgradeFuncs.ContainersFunc(i)
-		resourceName := util.ToObjectMeta(i).Name
-		// find correct annotation and update the resource
-		annotationValue := util.ToObjectMeta(i).Annotations[config.Annotation]
-		if annotationValue != "" {
-			values := strings.Split(annotationValue, ",")
-			for _, value := range values {
-				if value == config.ResourceName {
-					updated := updateContainers(containers, value, config.SHAValue, envarPostfix)
-					if !updated {
-						logrus.Warnf("Rolling upgrade failed because no container found to add environment variable in %s of type %s in namespace: %s", resourceName, upgradeFuncs.ResourceType, config.Namespace)
-					} else {
-						err = upgradeFuncs.UpdateFunc(client, config.Namespace, i)
-						if err != nil {
-							logrus.Errorf("Update for %s of type %s in namespace %s failed with error %v", resourceName, upgradeFuncs.ResourceType, config.Namespace, err)
-						} else {
-							logrus.Infof("Updated %s of type %s in namespace: %s ", resourceName, upgradeFuncs.ResourceType, config.Namespace)
-						}
-						break
-					}
-				}
-			}
-		}
-	}
-	return err
-}
-
-func updateContainers(containers []v1.Container, annotationValue string, shaData string, envarPostfix string) bool {
-	updated := false
-	envar := constants.EnvVarPrefix + util.ConvertToEnvVarName(annotationValue)+ "_" + envarPostfix
-	for i := range containers {
-		envs := containers[i].Env
-
-		//update if env var exists
-		updated = updateEnvVar(envs, envar, shaData)
-
-		// if no existing env var exists lets create one
-		if !updated {
-			e := v1.EnvVar{
-				Name:  envar,
-				Value: shaData,
-			}
-			containers[i].Env = append(containers[i].Env, e)
-			updated = true
-		}
-	}
-	return updated
-}
-
-func updateEnvVar(envs []v1.EnvVar, envar string, shaData string) bool {
-	for j := range envs {
-		if envs[j].Name == envar {
-			if envs[j].Value != shaData {
-				envs[j].Value = shaData
-				return true
-			}
-		}
-	}
-	return false
-}
-
-func getSHAfromConfigmap(data map[string]string) string {
-	values := []string{}
-	for k, v := range data {
-		values = append(values, k+"="+v)
-	}
-	sort.Strings(values)
-	return crypto.GenerateSHA(strings.Join(values, ";"))
-}
-
-func getSHAfromSecret(data map[string][]byte) string {
-	values := []string{}
-	for k, v := range data {
-		values = append(values, k+"="+string(v[:]))
-	}
-	sort.Strings(values)
-	return crypto.GenerateSHA(strings.Join(values, ";"))
+	return config, oldSHAData
 }
--- a/internal/pkg/handler/update_test.go
+++ b/internal/pkg/handler/update_test.go
@@ -1,315 +0,0 @@
-package handler
-
-import (
-	"os"
-	"testing"
-	"time"
-
-	"github.com/sirupsen/logrus"
-	"github.com/stakater/Reloader/internal/pkg/callbacks"
-	"github.com/stakater/Reloader/internal/pkg/constants"
-	"github.com/stakater/Reloader/internal/pkg/testutil"
-	"github.com/stakater/Reloader/internal/pkg/util"
-	testclient "k8s.io/client-go/kubernetes/fake"
-)
-
-var (
-	client        = testclient.NewSimpleClientset()
-	namespace     = "test-handler-" + testutil.RandSeq(5)
-	configmapName = "testconfigmap-handler-" + testutil.RandSeq(5)
-	secretName    = "testsecret-handler-" + testutil.RandSeq(5)
-)
-
-func TestMain(m *testing.M) {
-
-	// Creating namespace
-	testutil.CreateNamespace(namespace, client)
-
-	logrus.Infof("Setting up the test resources")
-	setup()
-
-	logrus.Infof("Running Testcases")
-	retCode := m.Run()
-
-	logrus.Infof("tearing down the test resources")
-	teardown()
-
-	os.Exit(retCode)
-}
-
-func setup() {
-	// Creating configmap
-	_, err := testutil.CreateConfigMap(client, namespace, configmapName, "www.google.com")
-	if err != nil {
-		logrus.Errorf("Error in configmap creation: %v", err)
-	}
-
-	// Creating secret
-	data := "dGVzdFNlY3JldEVuY29kaW5nRm9yUmVsb2FkZXI="
-	_, err = testutil.CreateSecret(client, namespace, secretName, data)
-	if err != nil {
-		logrus.Errorf("Error in secret creation: %v", err)
-	}
-
-	// Creating Deployment with configmap
-	_, err = testutil.CreateDeployment(client, configmapName, namespace)
-	if err != nil {
-		logrus.Errorf("Error in Deployment with configmap creation: %v", err)
-	}
-
-	// Creating Deployment with secret
-	_, err = testutil.CreateDeployment(client, secretName, namespace)
-	if err != nil {
-		logrus.Errorf("Error in Deployment with secret creation: %v", err)
-	}
-
-	// Creating DaemonSet with configmap
-	_, err = testutil.CreateDaemonSet(client, configmapName, namespace)
-	if err != nil {
-		logrus.Errorf("Error in DaemonSet with configmap creation: %v", err)
-	}
-
-	// Creating DaemonSet with secret
-	_, err = testutil.CreateDaemonSet(client, secretName, namespace)
-	if err != nil {
-		logrus.Errorf("Error in DaemonSet with secret creation: %v", err)
-	}
-
-	// Creating StatefulSet with configmap
-	_, err = testutil.CreateStatefulSet(client, configmapName, namespace)
-	if err != nil {
-		logrus.Errorf("Error in StatefulSet with configmap creation: %v", err)
-	}
-
-	// Creating StatefulSet with secret
-	_, err = testutil.CreateStatefulSet(client, secretName, namespace)
-	if err != nil {
-		logrus.Errorf("Error in StatefulSet with secret creation: %v", err)
-	}
-
-}
-
-func teardown() {
-	// Deleting Deployment with configmap
-	deploymentError := testutil.DeleteDeployment(client, namespace, configmapName)
-	if deploymentError != nil {
-		logrus.Errorf("Error while deleting deployment with configmap %v", deploymentError)
-	}
-
-	// Deleting Deployment with secret
-	deploymentError = testutil.DeleteDeployment(client, namespace, secretName)
-	if deploymentError != nil {
-		logrus.Errorf("Error while deleting deployment with secret %v", deploymentError)
-	}
-
-	// Deleting DaemonSet with configmap
-	daemonSetError := testutil.DeleteDaemonSet(client, namespace, configmapName)
-	if daemonSetError != nil {
-		logrus.Errorf("Error while deleting daemonSet with configmap %v", daemonSetError)
-	}
-
-	// Deleting Deployment with secret
-	daemonSetError = testutil.DeleteDaemonSet(client, namespace, secretName)
-	if daemonSetError != nil {
-		logrus.Errorf("Error while deleting daemonSet with secret %v", daemonSetError)
-	}
-
-	// Deleting StatefulSet with configmap
-	statefulSetError := testutil.DeleteStatefulSet(client, namespace, configmapName)
-	if statefulSetError != nil {
-		logrus.Errorf("Error while deleting statefulSet with configmap %v", statefulSetError)
-	}
-
-	// Deleting Deployment with secret
-	statefulSetError = testutil.DeleteStatefulSet(client, namespace, secretName)
-	if statefulSetError != nil {
-		logrus.Errorf("Error while deleting statefulSet with secret %v", statefulSetError)
-	}
-
-	// Deleting Configmap
-	err := testutil.DeleteConfigMap(client, namespace, configmapName)
-	if err != nil {
-		logrus.Errorf("Error while deleting the configmap %v", err)
-	}
-
-	// Deleting Secret
-	err = testutil.DeleteSecret(client, namespace, secretName)
-	if err != nil {
-		logrus.Errorf("Error while deleting the secret %v", err)
-	}
-
-	// Deleting namespace
-	testutil.DeleteNamespace(namespace, client)
-
-}
-
-func TestRollingUpgradeForDeploymentWithConfigmap(t *testing.T) {
-	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, configmapName, "www.stakater.com")
-	config := util.Config{
-		Namespace:    namespace,
-		ResourceName: configmapName,
-		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-	}
-	deploymentFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDeploymentItems,
-		ContainersFunc: callbacks.GetDeploymentContainers,
-		UpdateFunc:     callbacks.UpdateDeployment,
-		ResourceType:   "Deployment",
-	}
-
-	err := PerformRollingUpgrade(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
-	time.Sleep(5 * time.Second)
-	if err != nil {
-		t.Errorf("Rolling upgrade failed for Deployment with Configmap")
-	}
-
-	logrus.Infof("Verifying deployment update")
-	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
-	if !updated {
-		t.Errorf("Deployment was not updated")
-	}
-}
-
-func TestRollingUpgradeForDeploymentWithSecret(t *testing.T) {
-	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretName, "dGVzdFVwZGF0ZWRTZWNyZXRFbmNvZGluZ0ZvclJlbG9hZGVy")
-	config := util.Config{
-		Namespace:    namespace,
-		ResourceName: secretName,
-		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	deploymentFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDeploymentItems,
-		ContainersFunc: callbacks.GetDeploymentContainers,
-		UpdateFunc:     callbacks.UpdateDeployment,
-		ResourceType:   "Deployment",
-	}
-
-	err := PerformRollingUpgrade(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
-	time.Sleep(5 * time.Second)
-	if err != nil {
-		t.Errorf("Rolling upgrade failed for Deployment with Secret")
-	}
-
-	logrus.Infof("Verifying deployment update")
-	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
-	if !updated {
-		t.Errorf("Deployment was not updated")
-	}
-}
-
-func TestRollingUpgradeForDaemonSetWithConfigmap(t *testing.T) {
-	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapName, "www.facebook.com")
-	config := util.Config{
-		Namespace:    namespace,
-		ResourceName: configmapName,
-		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-	}
-	daemonSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDaemonSetItems,
-		ContainersFunc: callbacks.GetDaemonSetContainers,
-		UpdateFunc:     callbacks.UpdateDaemonSet,
-		ResourceType:   "DaemonSet",
-	}
-
-	err := PerformRollingUpgrade(client, config, constants.ConfigmapEnvVarPostfix, daemonSetFuncs)
-	time.Sleep(5 * time.Second)
-	if err != nil {
-		t.Errorf("Rolling upgrade failed for DaemonSet with configmap")
-	}
-
-	logrus.Infof("Verifying daemonSet update")
-	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, daemonSetFuncs)
-	if !updated {
-		t.Errorf("DaemonSet was not updated")
-	}
-}
-
-func TestRollingUpgradeForDaemonSetWithSecret(t *testing.T) {
-	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretName, "d3d3LmZhY2Vib29rLmNvbQ==")
-
-	config := util.Config{
-		Namespace:    namespace,
-		ResourceName: secretName,
-		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	daemonSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetDaemonSetItems,
-		ContainersFunc: callbacks.GetDaemonSetContainers,
-		UpdateFunc:     callbacks.UpdateDaemonSet,
-		ResourceType:   "DaemonSet",
-	}
-
-	err := PerformRollingUpgrade(client, config, constants.SecretEnvVarPostfix, daemonSetFuncs)
-	time.Sleep(5 * time.Second)
-	if err != nil {
-		t.Errorf("Rolling upgrade failed for DaemonSet with secret")
-	}
-
-	logrus.Infof("Verifying daemonSet update")
-	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, daemonSetFuncs)
-	if !updated {
-		t.Errorf("DaemonSet was not updated")
-	}
-}
-
-func TestRollingUpgradeForStatefulSetWithConfigmap(t *testing.T) {
-	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapName, "www.twitter.com")
-
-	config := util.Config{
-		Namespace:    namespace,
-		ResourceName: configmapName,
-		SHAValue:     shaData,
-		Annotation:   constants.ConfigmapUpdateOnChangeAnnotation,
-	}
-	statefulSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetStatefulSetItems,
-		ContainersFunc: callbacks.GetStatefulsetContainers,
-		UpdateFunc:     callbacks.UpdateStatefulset,
-		ResourceType:   "StatefulSet",
-	}
-
-	err := PerformRollingUpgrade(client, config, constants.ConfigmapEnvVarPostfix, statefulSetFuncs)
-	time.Sleep(5 * time.Second)
-	if err != nil {
-		t.Errorf("Rolling upgrade failed for StatefulSet with configmap")
-	}
-
-	logrus.Infof("Verifying statefulSet update")
-	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, statefulSetFuncs)
-	if !updated {
-		t.Errorf("StatefulSet was not updated")
-	}
-}
-
-func TestRollingUpgradeForStatefulSetWithSecret(t *testing.T) {
-	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretName, "d3d3LnR3aXR0ZXIuY29t")
-
-	config := util.Config{
-		Namespace:    namespace,
-		ResourceName: secretName,
-		SHAValue:     shaData,
-		Annotation:   constants.SecretUpdateOnChangeAnnotation,
-	}
-	statefulSetFuncs := callbacks.RollingUpgradeFuncs{
-		ItemsFunc:      callbacks.GetStatefulSetItems,
-		ContainersFunc: callbacks.GetStatefulsetContainers,
-		UpdateFunc:     callbacks.UpdateStatefulset,
-		ResourceType:   "StatefulSet",
-	}
-
-	err := PerformRollingUpgrade(client, config, constants.SecretEnvVarPostfix, statefulSetFuncs)
-	time.Sleep(5 * time.Second)
-	if err != nil {
-		t.Errorf("Rolling upgrade failed for StatefulSet with secret")
-	}
-
-	logrus.Infof("Verifying statefulSet update")
-	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, statefulSetFuncs)
-	if !updated {
-		t.Errorf("StatefulSet was not updated")
-	}
-}
--- a/internal/pkg/handler/upgrade.go
+++ b/internal/pkg/handler/upgrade.go
@@ -0,0 +1,238 @@
+package handler
+
+import (
+	"strconv"
+	"strings"
+
+	"github.com/sirupsen/logrus"
+	"github.com/stakater/Reloader/internal/pkg/callbacks"
+	"github.com/stakater/Reloader/internal/pkg/constants"
+	"github.com/stakater/Reloader/internal/pkg/options"
+	"github.com/stakater/Reloader/internal/pkg/util"
+	"github.com/stakater/Reloader/pkg/kube"
+	v1 "k8s.io/api/core/v1"
+	"k8s.io/client-go/kubernetes"
+)
+
+// GetDeploymentRollingUpgradeFuncs returns all callback funcs for a deployment
+func GetDeploymentRollingUpgradeFuncs() callbacks.RollingUpgradeFuncs {
+	return callbacks.RollingUpgradeFuncs{
+		ItemsFunc:          callbacks.GetDeploymentItems,
+		ContainersFunc:     callbacks.GetDeploymentContainers,
+		InitContainersFunc: callbacks.GetDeploymentInitContainers,
+		UpdateFunc:         callbacks.UpdateDeployment,
+		VolumesFunc:        callbacks.GetDeploymentVolumes,
+		ResourceType:       "Deployment",
+	}
+}
+
+// GetDaemonSetRollingUpgradeFuncs returns all callback funcs for a daemonset
+func GetDaemonSetRollingUpgradeFuncs() callbacks.RollingUpgradeFuncs {
+	return callbacks.RollingUpgradeFuncs{
+		ItemsFunc:          callbacks.GetDaemonSetItems,
+		ContainersFunc:     callbacks.GetDaemonSetContainers,
+		InitContainersFunc: callbacks.GetDaemonSetInitContainers,
+		UpdateFunc:         callbacks.UpdateDaemonSet,
+		VolumesFunc:        callbacks.GetDaemonSetVolumes,
+		ResourceType:       "DaemonSet",
+	}
+}
+
+// GetStatefulSetRollingUpgradeFuncs returns all callback funcs for a statefulSet
+func GetStatefulSetRollingUpgradeFuncs() callbacks.RollingUpgradeFuncs {
+	return callbacks.RollingUpgradeFuncs{
+		ItemsFunc:          callbacks.GetStatefulSetItems,
+		ContainersFunc:     callbacks.GetStatefulsetContainers,
+		InitContainersFunc: callbacks.GetStatefulsetInitContainers,
+		UpdateFunc:         callbacks.UpdateStatefulset,
+		VolumesFunc:        callbacks.GetStatefulsetVolumes,
+		ResourceType:       "StatefulSet",
+	}
+}
+
+func doRollingUpgrade(config util.Config) {
+	rollingUpgrade(config, GetDeploymentRollingUpgradeFuncs())
+	rollingUpgrade(config, GetDaemonSetRollingUpgradeFuncs())
+	rollingUpgrade(config, GetStatefulSetRollingUpgradeFuncs())
+}
+
+func rollingUpgrade(config util.Config, upgradeFuncs callbacks.RollingUpgradeFuncs) {
+	client, err := kube.GetClient()
+	if err != nil {
+		logrus.Fatalf("Unable to create Kubernetes client error = %v", err)
+	}
+
+	err = PerformRollingUpgrade(client, config, upgradeFuncs)
+	if err != nil {
+		logrus.Errorf("Rolling upgrade for '%s' failed with error = %v", config.ResourceName, err)
+	}
+}
+
+// PerformRollingUpgrade upgrades the deployment if there is any change in configmap or secret data
+func PerformRollingUpgrade(client kubernetes.Interface, config util.Config, upgradeFuncs callbacks.RollingUpgradeFuncs) error {
+	items := upgradeFuncs.ItemsFunc(client, config.Namespace)
+	var err error
+	for _, i := range items {
+		// find correct annotation and update the resource
+		annotationValue := util.ToObjectMeta(i).Annotations[config.Annotation]
+		reloaderEnabledValue := util.ToObjectMeta(i).Annotations[options.ReloaderAutoAnnotation]
+		result := constants.NotUpdated
+		reloaderEnabled, err := strconv.ParseBool(reloaderEnabledValue)
+		if err == nil && reloaderEnabled {
+			result = updateContainers(upgradeFuncs, i, config, true)
+		}
+
+		if result != constants.Updated && annotationValue != "" {
+			values := strings.Split(annotationValue, ",")
+			for _, value := range values {
+				if value == config.ResourceName {
+					result = updateContainers(upgradeFuncs, i, config, false)
+					if result == constants.Updated {
+						break
+					}
+				}
+			}
+		}
+
+		if result == constants.Updated {
+			err = upgradeFuncs.UpdateFunc(client, config.Namespace, i)
+			resourceName := util.ToObjectMeta(i).Name
+			if err != nil {
+				logrus.Errorf("Update for '%s' of type '%s' in namespace '%s' failed with error %v", resourceName, upgradeFuncs.ResourceType, config.Namespace, err)
+			} else {
+				logrus.Infof("Changes detected in '%s' of type '%s' in namespace '%s'", config.ResourceName, config.Type, config.Namespace)
+				logrus.Infof("Updated '%s' of type '%s' in namespace '%s'", resourceName, upgradeFuncs.ResourceType, config.Namespace)
+			}
+		}
+	}
+	return err
+}
+
+func getVolumeMountName(volumes []v1.Volume, mountType string, volumeName string) string {
+	for i := range volumes {
+		if mountType == constants.ConfigmapEnvVarPostfix && volumes[i].ConfigMap != nil && volumes[i].ConfigMap.Name == volumeName {
+			return volumes[i].Name
+		} else if mountType == constants.SecretEnvVarPostfix && volumes[i].Secret != nil && volumes[i].Secret.SecretName == volumeName {
+			return volumes[i].Name
+		}
+	}
+	return ""
+}
+
+func getContainerWithVolumeMount(containers []v1.Container, volumeMountName string) *v1.Container {
+	for i := range containers {
+		volumeMounts := containers[i].VolumeMounts
+		for j := range volumeMounts {
+			if volumeMounts[j].Name == volumeMountName {
+				return &containers[i]
+			}
+		}
+	}
+
+	return nil
+}
+
+func getContainerWithEnvReference(containers []v1.Container, resourceName string, resourceType string) *v1.Container {
+	for i := range containers {
+		envs := containers[i].Env
+		for j := range envs {
+			envVarSource := envs[j].ValueFrom
+			if envVarSource != nil {
+				if resourceType == constants.SecretEnvVarPostfix && envVarSource.SecretKeyRef != nil && envVarSource.SecretKeyRef.LocalObjectReference.Name == resourceName {
+					return &containers[i]
+				} else if resourceType == constants.ConfigmapEnvVarPostfix && envVarSource.ConfigMapKeyRef != nil && envVarSource.ConfigMapKeyRef.LocalObjectReference.Name == resourceName {
+					return &containers[i]
+				}
+			}
+		}
+
+		envsFrom := containers[i].EnvFrom
+		for j := range envsFrom {
+			if resourceType == constants.SecretEnvVarPostfix && envsFrom[j].SecretRef != nil && envsFrom[j].SecretRef.LocalObjectReference.Name == resourceName {
+				return &containers[i]
+			} else if resourceType == constants.ConfigmapEnvVarPostfix && envsFrom[j].ConfigMapRef != nil && envsFrom[j].ConfigMapRef.LocalObjectReference.Name == resourceName {
+				return &containers[i]
+			}
+		}
+	}
+	return nil
+}
+
+func getContainerToUpdate(upgradeFuncs callbacks.RollingUpgradeFuncs, item interface{}, config util.Config, autoReload bool) *v1.Container {
+	volumes := upgradeFuncs.VolumesFunc(item)
+	containers := upgradeFuncs.ContainersFunc(item)
+	initContainers := upgradeFuncs.InitContainersFunc(item)
+	var container *v1.Container
+	// Get the volumeMountName to find volumeMount in container
+	volumeMountName := getVolumeMountName(volumes, config.Type, config.ResourceName)
+	// Get the container with mounted configmap/secret
+	if volumeMountName != "" {
+		container = getContainerWithVolumeMount(containers, volumeMountName)
+		if container == nil && len(initContainers) > 0 {
+			container = getContainerWithVolumeMount(initContainers, volumeMountName)
+			if container != nil {
+				// if configmap/secret is being used in init container then return the first Pod container to save reloader env
+				return &containers[0]
+			}
+		} else if container != nil {
+			return container
+		}
+	}
+
+	// Get the container with referenced secret or configmap as env var
+	container = getContainerWithEnvReference(containers, config.ResourceName, config.Type)
+	if container == nil && len(initContainers) > 0 {
+		container = getContainerWithEnvReference(initContainers, config.ResourceName, config.Type)
+		if container != nil {
+			// if configmap/secret is being used in init container then return the first Pod container to save reloader env
+			return &containers[0]
+		}
+	}
+
+	// Get the first container if the annotation is related to specified configmap or secret i.e. configmap.reloader.stakater.com/reload
+	if container == nil && !autoReload {
+		return &containers[0]
+	}
+
+	return container
+}
+
+func updateContainers(upgradeFuncs callbacks.RollingUpgradeFuncs, item interface{}, config util.Config, autoReload bool) constants.Result {
+	var result constants.Result
+	envar := constants.EnvVarPrefix + util.ConvertToEnvVarName(config.ResourceName) + "_" + config.Type
+	container := getContainerToUpdate(upgradeFuncs, item, config, autoReload)
+
+	if container == nil {
+		return constants.NoContainerFound
+	}
+
+	//update if env var exists
+	result = updateEnvVar(upgradeFuncs.ContainersFunc(item), envar, config.SHAValue)
+
+	// if no existing env var exists lets create one
+	if result == constants.NoEnvVarFound {
+		e := v1.EnvVar{
+			Name:  envar,
+			Value: config.SHAValue,
+		}
+		container.Env = append(container.Env, e)
+		result = constants.Updated
+	}
+	return result
+}
+
+func updateEnvVar(containers []v1.Container, envar string, shaData string) constants.Result {
+	for i := range containers {
+		envs := containers[i].Env
+		for j := range envs {
+			if envs[j].Name == envar {
+				if envs[j].Value != shaData {
+					envs[j].Value = shaData
+					return constants.Updated
+				}
+				return constants.NotUpdated
+			}
+		}
+	}
+	return constants.NoEnvVarFound
+}
--- a/internal/pkg/handler/upgrade_test.go
+++ b/internal/pkg/handler/upgrade_test.go
@@ -0,0 +1,668 @@
+package handler
+
+import (
+	"os"
+	"testing"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"github.com/stakater/Reloader/internal/pkg/constants"
+	"github.com/stakater/Reloader/internal/pkg/options"
+	"github.com/stakater/Reloader/internal/pkg/testutil"
+	"github.com/stakater/Reloader/internal/pkg/util"
+	testclient "k8s.io/client-go/kubernetes/fake"
+)
+
+var (
+	client                     = testclient.NewSimpleClientset()
+	namespace                  = "test-handler-" + testutil.RandSeq(5)
+	configmapName              = "testconfigmap-handler-" + testutil.RandSeq(5)
+	secretName                 = "testsecret-handler-" + testutil.RandSeq(5)
+	configmapWithInitContainer = "testconfigmapInitContainerhandler-" + testutil.RandSeq(3)
+	secretWithInitContainer    = "testsecretWithInitContainer-handler-" + testutil.RandSeq(3)
+	configmapWithInitEnv       = "configmapWithInitEnv-" + testutil.RandSeq(3)
+	secretWithInitEnv          = "secretWithInitEnv-handler-" + testutil.RandSeq(3)
+	configmapWithEnvName       = "testconfigmapWithEnv-handler-" + testutil.RandSeq(3)
+	configmapWithEnvFromName   = "testconfigmapWithEnvFrom-handler-" + testutil.RandSeq(3)
+	secretWithEnvName          = "testsecretWithEnv-handler-" + testutil.RandSeq(5)
+	secretWithEnvFromName      = "testsecretWithEnvFrom-handler-" + testutil.RandSeq(5)
+)
+
+func TestMain(m *testing.M) {
+
+	// Creating namespace
+	testutil.CreateNamespace(namespace, client)
+
+	logrus.Infof("Setting up the test resources")
+	setup()
+
+	logrus.Infof("Running Testcases")
+	retCode := m.Run()
+
+	logrus.Infof("tearing down the test resources")
+	teardown()
+
+	os.Exit(retCode)
+}
+
+func setup() {
+	// Creating configmap
+	_, err := testutil.CreateConfigMap(client, namespace, configmapName, "www.google.com")
+	if err != nil {
+		logrus.Errorf("Error in configmap creation: %v", err)
+	}
+
+	// Creating secret
+	data := "dGVzdFNlY3JldEVuY29kaW5nRm9yUmVsb2FkZXI="
+	_, err = testutil.CreateSecret(client, namespace, secretName, data)
+	if err != nil {
+		logrus.Errorf("Error in secret creation: %v", err)
+	}
+
+	_, err = testutil.CreateConfigMap(client, namespace, configmapWithEnvName, "www.google.com")
+	if err != nil {
+		logrus.Errorf("Error in configmap creation: %v", err)
+	}
+
+	// Creating secret
+	_, err = testutil.CreateSecret(client, namespace, secretWithEnvName, data)
+	if err != nil {
+		logrus.Errorf("Error in secret creation: %v", err)
+	}
+
+	_, err = testutil.CreateConfigMap(client, namespace, configmapWithEnvFromName, "www.google.com")
+	if err != nil {
+		logrus.Errorf("Error in configmap creation: %v", err)
+	}
+
+	// Creating secret
+	_, err = testutil.CreateSecret(client, namespace, secretWithInitEnv, data)
+	if err != nil {
+		logrus.Errorf("Error in secret creation: %v", err)
+	}
+
+	_, err = testutil.CreateConfigMap(client, namespace, configmapWithInitContainer, "www.google.com")
+	if err != nil {
+		logrus.Errorf("Error in configmap creation: %v", err)
+	}
+
+	// Creating secret
+	_, err = testutil.CreateSecret(client, namespace, secretWithEnvFromName, data)
+	if err != nil {
+		logrus.Errorf("Error in secret creation: %v", err)
+	}
+
+	_, err = testutil.CreateConfigMap(client, namespace, configmapWithInitContainer, "www.google.com")
+	if err != nil {
+		logrus.Errorf("Error in configmap creation: %v", err)
+	}
+
+	// Creating secret
+	_, err = testutil.CreateSecret(client, namespace, secretWithInitContainer, data)
+	if err != nil {
+		logrus.Errorf("Error in secret creation: %v", err)
+	}
+
+	// Creating Deployment with configmap
+	_, err = testutil.CreateDeployment(client, configmapName, namespace, true)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with configmap creation: %v", err)
+	}
+
+	// Creating Deployment with configmap mounted in init container
+	_, err = testutil.CreateDeploymentWithInitContainer(client, configmapWithInitContainer, namespace, true)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with configmap creation: %v", err)
+	}
+
+	// Creating Deployment with secret mounted in init container
+	_, err = testutil.CreateDeploymentWithInitContainer(client, secretWithInitContainer, namespace, true)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with secret creation: %v", err)
+	}
+
+	// Creating Deployment with configmap mounted as Env in init container
+	_, err = testutil.CreateDeploymentWithInitContainer(client, configmapWithInitEnv, namespace, false)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with configmap creation: %v", err)
+	}
+
+	// Creating Deployment with secret mounted as Env in init container
+	_, err = testutil.CreateDeploymentWithInitContainer(client, secretWithInitEnv, namespace, false)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with secret creation: %v", err)
+	}
+
+	// Creating Deployment with secret
+	_, err = testutil.CreateDeployment(client, secretName, namespace, true)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with secret creation: %v", err)
+	}
+
+	// Creating Deployment with env var source as configmap
+	_, err = testutil.CreateDeployment(client, configmapWithEnvName, namespace, false)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with configmap configmap as env var source creation: %v", err)
+	}
+
+	// Creating Deployment with env var source as secret
+	_, err = testutil.CreateDeployment(client, secretWithEnvName, namespace, false)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with secret configmap as env var source creation: %v", err)
+	}
+
+	// Creating Deployment with envFrom source as secret
+	_, err = testutil.CreateDeploymentWithEnvVarSource(client, configmapWithEnvFromName, namespace)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with secret configmap as envFrom source creation: %v", err)
+	}
+
+	// Creating Deployment with envFrom source as secret
+	_, err = testutil.CreateDeploymentWithEnvVarSource(client, secretWithEnvFromName, namespace)
+	if err != nil {
+		logrus.Errorf("Error in Deployment with secret configmap as envFrom source creation: %v", err)
+	}
+
+	// Creating DaemonSet with configmap
+	_, err = testutil.CreateDaemonSet(client, configmapName, namespace, true)
+	if err != nil {
+		logrus.Errorf("Error in DaemonSet with configmap creation: %v", err)
+	}
+
+	// Creating DaemonSet with secret
+	_, err = testutil.CreateDaemonSet(client, secretName, namespace, true)
+	if err != nil {
+		logrus.Errorf("Error in DaemonSet with secret creation: %v", err)
+	}
+
+	// Creating DaemonSet with env var source as configmap
+	_, err = testutil.CreateDaemonSet(client, configmapWithEnvName, namespace, false)
+	if err != nil {
+		logrus.Errorf("Error in DaemonSet with configmap as env var source creation: %v", err)
+	}
+
+	// Creating DaemonSet with env var source as secret
+	_, err = testutil.CreateDaemonSet(client, secretWithEnvName, namespace, false)
+	if err != nil {
+		logrus.Errorf("Error in DaemonSet with secret configmap as env var source creation: %v", err)
+	}
+
+	// Creating StatefulSet with configmap
+	_, err = testutil.CreateStatefulSet(client, configmapName, namespace, true)
+	if err != nil {
+		logrus.Errorf("Error in StatefulSet with configmap creation: %v", err)
+	}
+
+	// Creating StatefulSet with secret
+	_, err = testutil.CreateStatefulSet(client, secretName, namespace, true)
+	if err != nil {
+		logrus.Errorf("Error in StatefulSet with secret creation: %v", err)
+	}
+
+	// Creating StatefulSet with env var source as configmap
+	_, err = testutil.CreateStatefulSet(client, configmapWithEnvName, namespace, false)
+	if err != nil {
+		logrus.Errorf("Error in StatefulSet with configmap configmap as env var source creation: %v", err)
+	}
+
+	// Creating StatefulSet with env var source as secret
+	_, err = testutil.CreateStatefulSet(client, secretWithEnvName, namespace, false)
+	if err != nil {
+		logrus.Errorf("Error in StatefulSet with secret configmap as env var source creation: %v", err)
+	}
+
+}
+
+func teardown() {
+	// Deleting Deployment with configmap
+	deploymentError := testutil.DeleteDeployment(client, namespace, configmapName)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with configmap %v", deploymentError)
+	}
+
+	// Deleting Deployment with secret
+	deploymentError = testutil.DeleteDeployment(client, namespace, secretName)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with secret %v", deploymentError)
+	}
+
+	// Deleting Deployment with configmap as env var source
+	deploymentError = testutil.DeleteDeployment(client, namespace, configmapWithEnvName)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with configmap as env var source %v", deploymentError)
+	}
+
+	// Deleting Deployment with secret
+	deploymentError = testutil.DeleteDeployment(client, namespace, secretWithEnvName)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with secret as env var source %v", deploymentError)
+	}
+
+	// Deleting Deployment with configmap mounted in init container
+	deploymentError = testutil.DeleteDeployment(client, namespace, configmapWithInitContainer)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with configmap mounted in init container %v", deploymentError)
+	}
+
+	// Deleting Deployment with secret mounted in init container
+	deploymentError = testutil.DeleteDeployment(client, namespace, secretWithInitContainer)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with secret mounted in init container %v", deploymentError)
+	}
+
+	// Deleting Deployment with configmap mounted as env in init container
+	deploymentError = testutil.DeleteDeployment(client, namespace, configmapWithInitEnv)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with configmap mounted as env in init container %v", deploymentError)
+	}
+
+	// Deleting Deployment with secret mounted as env in init container
+	deploymentError = testutil.DeleteDeployment(client, namespace, secretWithInitEnv)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with secret mounted as env in init container %v", deploymentError)
+	}
+
+	// Deleting Deployment with configmap as envFrom source
+	deploymentError = testutil.DeleteDeployment(client, namespace, configmapWithEnvFromName)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with configmap as envFrom source %v", deploymentError)
+	}
+
+	// Deleting Deployment with secret as envFrom source
+	deploymentError = testutil.DeleteDeployment(client, namespace, secretWithEnvFromName)
+	if deploymentError != nil {
+		logrus.Errorf("Error while deleting deployment with secret as envFrom source %v", deploymentError)
+	}
+
+	// Deleting DaemonSet with configmap
+	daemonSetError := testutil.DeleteDaemonSet(client, namespace, configmapName)
+	if daemonSetError != nil {
+		logrus.Errorf("Error while deleting daemonSet with configmap %v", daemonSetError)
+	}
+
+	// Deleting Deployment with secret
+	daemonSetError = testutil.DeleteDaemonSet(client, namespace, secretName)
+	if daemonSetError != nil {
+		logrus.Errorf("Error while deleting daemonSet with secret %v", daemonSetError)
+	}
+
+	// Deleting Deployment with configmap as env var source
+	daemonSetError = testutil.DeleteDaemonSet(client, namespace, configmapWithEnvName)
+	if daemonSetError != nil {
+		logrus.Errorf("Error while deleting daemonSet with configmap as env var source %v", daemonSetError)
+	}
+
+	// Deleting Deployment with secret as env var source
+	daemonSetError = testutil.DeleteDaemonSet(client, namespace, secretWithEnvName)
+	if daemonSetError != nil {
+		logrus.Errorf("Error while deleting daemonSet with secret as env var source %v", daemonSetError)
+	}
+
+	// Deleting StatefulSet with configmap
+	statefulSetError := testutil.DeleteStatefulSet(client, namespace, configmapName)
+	if statefulSetError != nil {
+		logrus.Errorf("Error while deleting statefulSet with configmap %v", statefulSetError)
+	}
+
+	// Deleting Deployment with secret
+	statefulSetError = testutil.DeleteStatefulSet(client, namespace, secretName)
+	if statefulSetError != nil {
+		logrus.Errorf("Error while deleting statefulSet with secret %v", statefulSetError)
+	}
+
+	// Deleting StatefulSet with configmap as env var source
+	statefulSetError = testutil.DeleteStatefulSet(client, namespace, configmapWithEnvName)
+	if statefulSetError != nil {
+		logrus.Errorf("Error while deleting statefulSet with configmap as env var source %v", statefulSetError)
+	}
+
+	// Deleting Deployment with secret as env var source
+	statefulSetError = testutil.DeleteStatefulSet(client, namespace, secretWithEnvName)
+	if statefulSetError != nil {
+		logrus.Errorf("Error while deleting statefulSet with secret as env var source %v", statefulSetError)
+	}
+
+	// Deleting Configmap
+	err := testutil.DeleteConfigMap(client, namespace, configmapName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the configmap %v", err)
+	}
+
+	// Deleting Secret
+	err = testutil.DeleteSecret(client, namespace, secretName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the secret %v", err)
+	}
+
+	// Deleting Configmap used as env var source
+	err = testutil.DeleteConfigMap(client, namespace, configmapWithEnvName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the configmap used as env var source %v", err)
+	}
+
+	// Deleting Secret used as env var source
+	err = testutil.DeleteSecret(client, namespace, secretWithEnvName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the secret used as env var source %v", err)
+	}
+
+	// Deleting Configmap used in init container
+	err = testutil.DeleteConfigMap(client, namespace, configmapWithInitContainer)
+	if err != nil {
+		logrus.Errorf("Error while deleting the configmap used in init container %v", err)
+	}
+
+	// Deleting Secret used in init container
+	err = testutil.DeleteSecret(client, namespace, secretWithInitContainer)
+	if err != nil {
+		logrus.Errorf("Error while deleting the secret used in init container %v", err)
+	}
+
+	// Deleting Configmap used as env var source
+	err = testutil.DeleteConfigMap(client, namespace, configmapWithEnvFromName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the configmap used as env var source %v", err)
+	}
+
+	// Deleting Secret used as env var source
+	err = testutil.DeleteSecret(client, namespace, secretWithEnvFromName)
+	if err != nil {
+		logrus.Errorf("Error while deleting the secret used as env var source %v", err)
+	}
+
+	// Deleting Configmap used as env var source
+	err = testutil.DeleteConfigMap(client, namespace, configmapWithInitEnv)
+	if err != nil {
+		logrus.Errorf("Error while deleting the configmap used as env var source in init container %v", err)
+	}
+
+	// Deleting Secret used as env var source
+	err = testutil.DeleteSecret(client, namespace, secretWithInitEnv)
+	if err != nil {
+		logrus.Errorf("Error while deleting the secret used as env var source in init container %v", err)
+	}
+
+	// Deleting namespace
+	testutil.DeleteNamespace(namespace, client)
+
+}
+
+func getConfigWithAnnotations(resourceType string, name string, shaData string, annotation string) util.Config {
+	return util.Config{
+		Namespace:    namespace,
+		ResourceName: name,
+		SHAValue:     shaData,
+		Annotation:   annotation,
+		Type:         resourceType,
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithConfigmap(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapName, "www.stakater.com")
+	config := getConfigWithAnnotations(constants.ConfigmapEnvVarPostfix, configmapName, shaData, options.ConfigmapUpdateOnChangeAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Configmap")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithConfigmapInInitContainer(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapWithInitContainer, "www.stakater.com")
+	config := getConfigWithAnnotations(constants.ConfigmapEnvVarPostfix, configmapWithInitContainer, shaData, options.ConfigmapUpdateOnChangeAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Configmap")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithConfigmapAsEnvVar(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapWithEnvName, "www.stakater.com")
+	config := getConfigWithAnnotations(constants.ConfigmapEnvVarPostfix, configmapWithEnvName, shaData, options.ReloaderAutoAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Configmap used as env var")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithConfigmapAsEnvVarInInitContainer(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapWithInitEnv, "www.stakater.com")
+	config := getConfigWithAnnotations(constants.ConfigmapEnvVarPostfix, configmapWithInitEnv, shaData, options.ReloaderAutoAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Configmap used as env var")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithConfigmapAsEnvVarFrom(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapWithEnvFromName, "www.stakater.com")
+	config := getConfigWithAnnotations(constants.ConfigmapEnvVarPostfix, configmapWithEnvFromName, shaData, options.ReloaderAutoAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Configmap used as env var")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithSecret(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretName, "dGVzdFVwZGF0ZWRTZWNyZXRFbmNvZGluZ0ZvclJlbG9hZGVy")
+	config := getConfigWithAnnotations(constants.SecretEnvVarPostfix, secretName, shaData, options.SecretUpdateOnChangeAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Secret")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithSecretinInitContainer(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretWithInitContainer, "dGVzdFVwZGF0ZWRTZWNyZXRFbmNvZGluZ0ZvclJlbG9hZGVy")
+	config := getConfigWithAnnotations(constants.SecretEnvVarPostfix, secretWithInitContainer, shaData, options.SecretUpdateOnChangeAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Secret")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithSecretAsEnvVar(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretWithEnvName, "dGVzdFVwZGF0ZWRTZWNyZXRFbmNvZGluZ0ZvclJlbG9hZGVy")
+	config := getConfigWithAnnotations(constants.SecretEnvVarPostfix, secretWithEnvName, shaData, options.ReloaderAutoAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Secret")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithSecretAsEnvVarFrom(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretWithEnvFromName, "dGVzdFVwZGF0ZWRTZWNyZXRFbmNvZGluZ0ZvclJlbG9hZGVy")
+	config := getConfigWithAnnotations(constants.SecretEnvVarPostfix, secretWithEnvFromName, shaData, options.ReloaderAutoAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Secret")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDeploymentWithSecretAsEnvVarInInitContainer(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretWithInitEnv, "dGVzdFVwZGF0ZWRTZWNyZXRFbmNvZGluZ0ZvclJlbG9hZGVy")
+	config := getConfigWithAnnotations(constants.SecretEnvVarPostfix, secretWithInitEnv, shaData, options.ReloaderAutoAnnotation)
+	deploymentFuncs := GetDeploymentRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, deploymentFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for Deployment with Secret")
+	}
+
+	logrus.Infof("Verifying deployment update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, deploymentFuncs)
+	if !updated {
+		t.Errorf("Deployment was not updated")
+	}
+}
+
+func TestRollingUpgradeForDaemonSetWithConfigmap(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapName, "www.facebook.com")
+	config := getConfigWithAnnotations(constants.ConfigmapEnvVarPostfix, configmapName, shaData, options.ConfigmapUpdateOnChangeAnnotation)
+	daemonSetFuncs := GetDaemonSetRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, daemonSetFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for DaemonSet with configmap")
+	}
+
+	logrus.Infof("Verifying daemonSet update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, daemonSetFuncs)
+	if !updated {
+		t.Errorf("DaemonSet was not updated")
+	}
+}
+
+func TestRollingUpgradeForDaemonSetWithConfigmapAsEnvVar(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapWithEnvName, "www.facebook.com")
+	config := getConfigWithAnnotations(constants.ConfigmapEnvVarPostfix, configmapWithEnvName, shaData, options.ReloaderAutoAnnotation)
+	daemonSetFuncs := GetDaemonSetRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, daemonSetFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for DaemonSet with configmap used as env var")
+	}
+
+	logrus.Infof("Verifying daemonSet update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, daemonSetFuncs)
+	if !updated {
+		t.Errorf("DaemonSet was not updated")
+	}
+}
+
+func TestRollingUpgradeForDaemonSetWithSecret(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretName, "d3d3LmZhY2Vib29rLmNvbQ==")
+	config := getConfigWithAnnotations(constants.SecretEnvVarPostfix, secretName, shaData, options.SecretUpdateOnChangeAnnotation)
+	daemonSetFuncs := GetDaemonSetRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, daemonSetFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for DaemonSet with secret")
+	}
+
+	logrus.Infof("Verifying daemonSet update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, daemonSetFuncs)
+	if !updated {
+		t.Errorf("DaemonSet was not updated")
+	}
+}
+
+func TestRollingUpgradeForStatefulSetWithConfigmap(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.ConfigmapResourceType, namespace, configmapName, "www.twitter.com")
+	config := getConfigWithAnnotations(constants.ConfigmapEnvVarPostfix, configmapName, shaData, options.ConfigmapUpdateOnChangeAnnotation)
+	statefulSetFuncs := GetStatefulSetRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, statefulSetFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for StatefulSet with configmap")
+	}
+
+	logrus.Infof("Verifying statefulSet update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.ConfigmapEnvVarPostfix, statefulSetFuncs)
+	if !updated {
+		t.Errorf("StatefulSet was not updated")
+	}
+}
+
+func TestRollingUpgradeForStatefulSetWithSecret(t *testing.T) {
+	shaData := testutil.ConvertResourceToSHA(testutil.SecretResourceType, namespace, secretName, "d3d3LnR3aXR0ZXIuY29t")
+	config := getConfigWithAnnotations(constants.SecretEnvVarPostfix, secretName, shaData, options.SecretUpdateOnChangeAnnotation)
+	statefulSetFuncs := GetStatefulSetRollingUpgradeFuncs()
+
+	err := PerformRollingUpgrade(client, config, statefulSetFuncs)
+	time.Sleep(5 * time.Second)
+	if err != nil {
+		t.Errorf("Rolling upgrade failed for StatefulSet with secret")
+	}
+
+	logrus.Infof("Verifying statefulSet update")
+	updated := testutil.VerifyResourceUpdate(client, config, constants.SecretEnvVarPostfix, statefulSetFuncs)
+	if !updated {
+		t.Errorf("StatefulSet was not updated")
+	}
+}
--- a/internal/pkg/constants/annotations.go
+++ b/internal/pkg/constants/annotations.go
@@ -1,8 +1,10 @@
-package constants
+package options

-const (
+var (
 	// ConfigmapUpdateOnChangeAnnotation is an annotation to detect changes in configmaps
 	ConfigmapUpdateOnChangeAnnotation = "configmap.reloader.stakater.com/reload"
 	// SecretUpdateOnChangeAnnotation is an annotation to detect changes in secrets
 	SecretUpdateOnChangeAnnotation = "secret.reloader.stakater.com/reload"
+	// ReloaderAutoAnnotation is an annotation to detect changes in secrets
+	ReloaderAutoAnnotation = "reloader.stakater.com/auto"
 )
--- a/internal/pkg/testutil/kube.go
+++ b/internal/pkg/testutil/kube.go
@@ -3,6 +3,7 @@ package testutil
 import (
 	"math/rand"
 	"sort"
+	"strconv"
 	"strings"
 	"time"

@@ -10,10 +11,11 @@ import (
 	"github.com/stakater/Reloader/internal/pkg/callbacks"
 	"github.com/stakater/Reloader/internal/pkg/constants"
 	"github.com/stakater/Reloader/internal/pkg/crypto"
+	"github.com/stakater/Reloader/internal/pkg/options"
 	"github.com/stakater/Reloader/internal/pkg/util"
 	"github.com/stakater/Reloader/pkg/kube"
 	v1_beta1 "k8s.io/api/apps/v1beta1"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	"k8s.io/api/extensions/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
@@ -40,7 +42,7 @@ func GetClient() *kubernetes.Clientset {
 func CreateNamespace(namespace string, client kubernetes.Interface) {
 	_, err := client.CoreV1().Namespaces().Create(&v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: namespace}})
 	if err != nil {
-		logrus.Fatalf("Failed to create namespace for testing", err)
+		logrus.Fatalf("Failed to create namespace for testing %v", err)
 	} else {
 		logrus.Infof("Creating namespace for testing = %s", namespace)
 	}
@@ -50,48 +52,300 @@ func CreateNamespace(namespace string, client kubernetes.Interface) {
 func DeleteNamespace(namespace string, client kubernetes.Interface) {
 	err := client.CoreV1().Namespaces().Delete(namespace, &metav1.DeleteOptions{})
 	if err != nil {
-		logrus.Fatalf("Failed to delete namespace that was created for testing", err)
+		logrus.Fatalf("Failed to delete namespace that was created for testing %v", err)
 	} else {
 		logrus.Infof("Deleting namespace for testing = %s", namespace)
 	}
 }

+func getObjectMeta(namespace string, name string, autoReload bool) metav1.ObjectMeta {
+	return metav1.ObjectMeta{
+		Name:        name,
+		Namespace:   namespace,
+		Labels:      map[string]string{"firstLabel": "temp"},
+		Annotations: getAnnotations(name, autoReload),
+	}
+}
+
+func getAnnotations(name string, autoReload bool) map[string]string {
+	if autoReload {
+		return map[string]string{
+			options.ReloaderAutoAnnotation: "true"}
+	}
+
+	return map[string]string{
+		options.ConfigmapUpdateOnChangeAnnotation: name,
+		options.SecretUpdateOnChangeAnnotation:    name}
+}
+
+func getEnvVarSources(name string) []v1.EnvFromSource {
+	return []v1.EnvFromSource{
+		{
+			ConfigMapRef: &v1.ConfigMapEnvSource{
+				LocalObjectReference: v1.LocalObjectReference{
+					Name: name,
+				},
+			},
+		},
+		{
+			SecretRef: &v1.SecretEnvSource{
+				LocalObjectReference: v1.LocalObjectReference{
+					Name: name,
+				},
+			},
+		},
+	}
+}
+
+func getVolumes(name string) []v1.Volume {
+	return []v1.Volume{
+		{
+			Name: "configmap",
+			VolumeSource: v1.VolumeSource{
+				ConfigMap: &v1.ConfigMapVolumeSource{
+					LocalObjectReference: v1.LocalObjectReference{
+						Name: name,
+					},
+				},
+			},
+		},
+		{
+			Name: "secret",
+			VolumeSource: v1.VolumeSource{
+				Secret: &v1.SecretVolumeSource{
+					SecretName: name,
+				},
+			},
+		},
+	}
+}
+
+func getVolumeMounts(name string) []v1.VolumeMount {
+	return []v1.VolumeMount{
+		{
+			MountPath: "etc/config",
+			Name:      "configmap",
+		},
+		{
+			MountPath: "etc/sec",
+			Name:      "secret",
+		},
+	}
+}
+
+func getPodTemplateSpecWithEnvVars(name string) v1.PodTemplateSpec {
+	return v1.PodTemplateSpec{
+		ObjectMeta: metav1.ObjectMeta{
+			Labels: map[string]string{"secondLabel": "temp"},
+		},
+		Spec: v1.PodSpec{
+			Containers: []v1.Container{
+				{
+					Image: "tutum/hello-world",
+					Name:  name,
+					Env: []v1.EnvVar{
+						{
+							Name:  "BUCKET_NAME",
+							Value: "test",
+						},
+						{
+							Name: "CONFIGMAP_" + util.ConvertToEnvVarName(name),
+							ValueFrom: &v1.EnvVarSource{
+								ConfigMapKeyRef: &v1.ConfigMapKeySelector{
+									LocalObjectReference: v1.LocalObjectReference{
+										Name: name,
+									},
+									Key: "test.url",
+								},
+							},
+						},
+						{
+							Name: "SECRET_" + util.ConvertToEnvVarName(name),
+							ValueFrom: &v1.EnvVarSource{
+								SecretKeyRef: &v1.SecretKeySelector{
+									LocalObjectReference: v1.LocalObjectReference{
+										Name: name,
+									},
+									Key: "test.url",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
+func getPodTemplateSpecWithEnvVarSources(name string) v1.PodTemplateSpec {
+	return v1.PodTemplateSpec{
+		ObjectMeta: metav1.ObjectMeta{
+			Labels: map[string]string{"secondLabel": "temp"},
+		},
+		Spec: v1.PodSpec{
+			Containers: []v1.Container{
+				{
+					Image: "tutum/hello-world",
+					Name:  name,
+					EnvFrom: getEnvVarSources(name),
+				},
+			},
+		},
+	}
+}
+
+func getPodTemplateSpecWithVolumes(name string) v1.PodTemplateSpec {
+	return v1.PodTemplateSpec{
+		ObjectMeta: metav1.ObjectMeta{
+			Labels: map[string]string{"secondLabel": "temp"},
+		},
+		Spec: v1.PodSpec{
+			Containers: []v1.Container{
+				{
+					Image: "tutum/hello-world",
+					Name:  name,
+					Env: []v1.EnvVar{
+						{
+							Name:  "BUCKET_NAME",
+							Value: "test",
+						},
+					},
+					VolumeMounts: getVolumeMounts(name),
+				},
+			},
+			Volumes: getVolumes(name),
+		},
+	}
+}
+
+func getPodTemplateSpecWithInitContainer(name string) v1.PodTemplateSpec {
+	return v1.PodTemplateSpec{
+		ObjectMeta: metav1.ObjectMeta{
+			Labels: map[string]string{"secondLabel": "temp"},
+		},
+		Spec: v1.PodSpec{
+			InitContainers: []v1.Container{
+				{
+					Image: "busybox",
+					Name:  "busyBox",
+					VolumeMounts: getVolumeMounts(name),
+				},
+			},
+			Containers: []v1.Container{
+				{
+					Image: "tutum/hello-world",
+					Name:  name,
+					Env: []v1.EnvVar{
+						{
+							Name:  "BUCKET_NAME",
+							Value: "test",
+						},
+					},
+				},
+			},
+			Volumes: getVolumes(name),
+		},
+	}
+}
+
+func getPodTemplateSpecWithInitContainerAndEnv(name string) v1.PodTemplateSpec {
+	return v1.PodTemplateSpec{
+		ObjectMeta: metav1.ObjectMeta{
+			Labels: map[string]string{"secondLabel": "temp"},
+		},
+		Spec: v1.PodSpec{
+			InitContainers: []v1.Container{
+				{
+					Image: "busybox",
+					Name:  "busyBox",
+					EnvFrom: getEnvVarSources(name),
+				},
+			},
+			Containers: []v1.Container{
+				{
+					Image: "tutum/hello-world",
+					Name:  name,
+					Env: []v1.EnvVar{
+						{
+							Name:  "BUCKET_NAME",
+							Value: "test",
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
 // GetDeployment provides deployment for testing
 func GetDeployment(namespace string, deploymentName string) *v1beta1.Deployment {
 	replicaset := int32(1)
 	return &v1beta1.Deployment{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      deploymentName,
-			Namespace: namespace,
-			Labels:    map[string]string{"firstLabel": "temp"},
-			Annotations: map[string]string{
-				constants.ConfigmapUpdateOnChangeAnnotation: deploymentName,
-				constants.SecretUpdateOnChangeAnnotation:    deploymentName},
-		},
+		ObjectMeta: getObjectMeta(namespace, deploymentName, false),
 		Spec: v1beta1.DeploymentSpec{
 			Replicas: &replicaset,
 			Strategy: v1beta1.DeploymentStrategy{
 				Type: v1beta1.RollingUpdateDeploymentStrategyType,
 			},
-			Template: v1.PodTemplateSpec{
-				ObjectMeta: metav1.ObjectMeta{
-					Labels: map[string]string{"secondLabel": "temp"},
-				},
-				Spec: v1.PodSpec{
-					Containers: []v1.Container{
-						{
-							Image: "tutum/hello-world",
-							Name:  deploymentName,
-							Env: []v1.EnvVar{
-								{
-									Name:  "BUCKET_NAME",
-									Value: "test",
-								},
-							},
-						},
-					},
-				},
+			Template: getPodTemplateSpecWithVolumes(deploymentName),
+		},
+	}
+}
+
+// GetDeploymentWithInitContainer provides deployment with init container and volumeMounts
+func GetDeploymentWithInitContainer(namespace string, deploymentName string) *v1beta1.Deployment {
+	replicaset := int32(1)
+	return &v1beta1.Deployment{
+		ObjectMeta: getObjectMeta(namespace, deploymentName, false),
+		Spec: v1beta1.DeploymentSpec{
+			Replicas: &replicaset,
+			Strategy: v1beta1.DeploymentStrategy{
+				Type: v1beta1.RollingUpdateDeploymentStrategyType,
 			},
+			Template: getPodTemplateSpecWithInitContainer(deploymentName),
+		},
+	}
+}
+
+// GetDeploymentWithInitContainerAndEnv provides deployment with init container and EnvSource
+func GetDeploymentWithInitContainerAndEnv(namespace string, deploymentName string) *v1beta1.Deployment {
+	replicaset := int32(1)
+	return &v1beta1.Deployment{
+		ObjectMeta: getObjectMeta(namespace, deploymentName, true),
+		Spec: v1beta1.DeploymentSpec{
+			Replicas: &replicaset,
+			Strategy: v1beta1.DeploymentStrategy{
+				Type: v1beta1.RollingUpdateDeploymentStrategyType,
+			},
+			Template: getPodTemplateSpecWithInitContainerAndEnv(deploymentName),
+		},
+	}
+}
+
+func GetDeploymentWithEnvVars(namespace string, deploymentName string) *v1beta1.Deployment {
+	replicaset := int32(1)
+	return &v1beta1.Deployment{
+		ObjectMeta: getObjectMeta(namespace, deploymentName, true),
+		Spec: v1beta1.DeploymentSpec{
+			Replicas: &replicaset,
+			Strategy: v1beta1.DeploymentStrategy{
+				Type: v1beta1.RollingUpdateDeploymentStrategyType,
+			},
+			Template: getPodTemplateSpecWithEnvVars(deploymentName),
+		},
+	}
+}
+
+func GetDeploymentWithEnvVarSources(namespace string, deploymentName string) *v1beta1.Deployment {
+	replicaset := int32(1)
+	return &v1beta1.Deployment{
+		ObjectMeta: getObjectMeta(namespace, deploymentName, true),
+		Spec: v1beta1.DeploymentSpec{
+			Replicas: &replicaset,
+			Strategy: v1beta1.DeploymentStrategy{
+				Type: v1beta1.RollingUpdateDeploymentStrategyType,
+			},
+			Template: getPodTemplateSpecWithEnvVarSources(deploymentName),
 		},
 	}
 }
@@ -99,37 +353,24 @@ func GetDeployment(namespace string, deploymentName string) *v1beta1.Deployment
 // GetDaemonSet provides daemonset for testing
 func GetDaemonSet(namespace string, daemonsetName string) *v1beta1.DaemonSet {
 	return &v1beta1.DaemonSet{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      daemonsetName,
-			Namespace: namespace,
-			Labels:    map[string]string{"firstLabel": "temp"},
-			Annotations: map[string]string{
-				constants.ConfigmapUpdateOnChangeAnnotation: daemonsetName,
-				constants.SecretUpdateOnChangeAnnotation:    daemonsetName},
-		},
+		ObjectMeta: getObjectMeta(namespace, daemonsetName, false),
 		Spec: v1beta1.DaemonSetSpec{
 			UpdateStrategy: v1beta1.DaemonSetUpdateStrategy{
 				Type: v1beta1.RollingUpdateDaemonSetStrategyType,
 			},
-			Template: v1.PodTemplateSpec{
-				ObjectMeta: metav1.ObjectMeta{
-					Labels: map[string]string{"secondLabel": "temp"},
-				},
-				Spec: v1.PodSpec{
-					Containers: []v1.Container{
-						{
-							Image: "tutum/hello-world",
-							Name:  daemonsetName,
-							Env: []v1.EnvVar{
-								{
-									Name:  "BUCKET_NAME",
-									Value: "test",
-								},
-							},
-						},
-					},
-				},
+			Template: getPodTemplateSpecWithVolumes(daemonsetName),
+		},
+	}
+}
+
+func GetDaemonSetWithEnvVars(namespace string, daemonSetName string) *v1beta1.DaemonSet {
+	return &v1beta1.DaemonSet{
+		ObjectMeta: getObjectMeta(namespace, daemonSetName, true),
+		Spec: v1beta1.DaemonSetSpec{
+			UpdateStrategy: v1beta1.DaemonSetUpdateStrategy{
+				Type: v1beta1.RollingUpdateDaemonSetStrategyType,
 			},
+			Template: getPodTemplateSpecWithEnvVars(daemonSetName),
 		},
 	}
 }
@@ -137,37 +378,25 @@ func GetDaemonSet(namespace string, daemonsetName string) *v1beta1.DaemonSet {
 // GetStatefulSet provides statefulset for testing
 func GetStatefulSet(namespace string, statefulsetName string) *v1_beta1.StatefulSet {
 	return &v1_beta1.StatefulSet{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      statefulsetName,
-			Namespace: namespace,
-			Labels:    map[string]string{"firstLabel": "temp"},
-			Annotations: map[string]string{
-				constants.ConfigmapUpdateOnChangeAnnotation: statefulsetName,
-				constants.SecretUpdateOnChangeAnnotation:    statefulsetName},
-		},
+		ObjectMeta: getObjectMeta(namespace, statefulsetName, false),
 		Spec: v1_beta1.StatefulSetSpec{
 			UpdateStrategy: v1_beta1.StatefulSetUpdateStrategy{
 				Type: v1_beta1.RollingUpdateStatefulSetStrategyType,
 			},
-			Template: v1.PodTemplateSpec{
-				ObjectMeta: metav1.ObjectMeta{
-					Labels: map[string]string{"secondLabel": "temp"},
-				},
-				Spec: v1.PodSpec{
-					Containers: []v1.Container{
-						{
-							Image: "tutum/hello-world",
-							Name:  statefulsetName,
-							Env: []v1.EnvVar{
-								{
-									Name:  "BUCKET_NAME",
-									Value: "test",
-								},
-							},
-						},
-					},
-				},
+			Template: getPodTemplateSpecWithVolumes(statefulsetName),
+		},
+	}
+}
+
+// GetStatefulSet provides statefulset for testing
+func GetStatefulSetWithEnvVar(namespace string, statefulsetName string) *v1_beta1.StatefulSet {
+	return &v1_beta1.StatefulSet{
+		ObjectMeta: getObjectMeta(namespace, statefulsetName, true),
+		Spec: v1_beta1.StatefulSetSpec{
+			UpdateStrategy: v1_beta1.StatefulSetUpdateStrategy{
+				Type: v1_beta1.RollingUpdateStatefulSetStrategyType,
 			},
+			Template: getPodTemplateSpecWithEnvVars(statefulsetName),
 		},
 	}
 }
@@ -270,28 +499,71 @@ func CreateSecret(client kubernetes.Interface, namespace string, secretName stri
 }

 // CreateDeployment creates a deployment in given namespace and returns the Deployment
-func CreateDeployment(client kubernetes.Interface, deploymentName string, namespace string) (*v1beta1.Deployment, error) {
+func CreateDeployment(client kubernetes.Interface, deploymentName string, namespace string, volumeMount bool) (*v1beta1.Deployment, error) {
 	logrus.Infof("Creating Deployment")
 	deploymentClient := client.ExtensionsV1beta1().Deployments(namespace)
-	deployment, err := deploymentClient.Create(GetDeployment(namespace, deploymentName))
+	var deploymentObj *v1beta1.Deployment
+	if volumeMount {
+		deploymentObj = GetDeployment(namespace, deploymentName)
+	} else {
+		deploymentObj = GetDeploymentWithEnvVars(namespace, deploymentName)
+	}
+	deployment, err := deploymentClient.Create(deploymentObj)
+	time.Sleep(10 * time.Second)
+	return deployment, err
+}
+
+// CreateDeploymentWithInitContainer creates a deployment in given namespace with init container and returns the Deployment
+func CreateDeploymentWithInitContainer(client kubernetes.Interface, deploymentName string, namespace string, volumeMount bool) (*v1beta1.Deployment, error) {
+	logrus.Infof("Creating Deployment")
+	deploymentClient := client.ExtensionsV1beta1().Deployments(namespace)
+	var deploymentObj *v1beta1.Deployment
+	if volumeMount {
+	deploymentObj = GetDeploymentWithInitContainer(namespace, deploymentName)
+	} else {
+		deploymentObj = GetDeploymentWithInitContainerAndEnv(namespace, deploymentName)
+	}
+	deployment, err := deploymentClient.Create(deploymentObj)
+	time.Sleep(10 * time.Second)
+	return deployment, err
+}
+
+// CreateDeploymentWithEnvVarSource creates a deployment in given namespace and returns the Deployment
+func CreateDeploymentWithEnvVarSource(client kubernetes.Interface, deploymentName string, namespace string) (*v1beta1.Deployment, error) {
+	logrus.Infof("Creating Deployment")
+	deploymentClient := client.ExtensionsV1beta1().Deployments(namespace)
+	deploymentObj := GetDeploymentWithEnvVarSources(namespace, deploymentName)
+	deployment, err := deploymentClient.Create(deploymentObj)
 	time.Sleep(10 * time.Second)
 	return deployment, err
 }

 // CreateDaemonSet creates a deployment in given namespace and returns the DaemonSet
-func CreateDaemonSet(client kubernetes.Interface, daemonsetName string, namespace string) (*v1beta1.DaemonSet, error) {
+func CreateDaemonSet(client kubernetes.Interface, daemonsetName string, namespace string, volumeMount bool) (*v1beta1.DaemonSet, error) {
 	logrus.Infof("Creating DaemonSet")
 	daemonsetClient := client.ExtensionsV1beta1().DaemonSets(namespace)
-	daemonset, err := daemonsetClient.Create(GetDaemonSet(namespace, daemonsetName))
+	var daemonsetObj *v1beta1.DaemonSet
+	if volumeMount {
+		daemonsetObj = GetDaemonSet(namespace, daemonsetName)
+	} else {
+		daemonsetObj = GetDaemonSetWithEnvVars(namespace, daemonsetName)
+	}
+	daemonset, err := daemonsetClient.Create(daemonsetObj)
 	time.Sleep(10 * time.Second)
 	return daemonset, err
 }

 // CreateStatefulSet creates a deployment in given namespace and returns the StatefulSet
-func CreateStatefulSet(client kubernetes.Interface, statefulsetName string, namespace string) (*v1_beta1.StatefulSet, error) {
+func CreateStatefulSet(client kubernetes.Interface, statefulsetName string, namespace string, volumeMount bool) (*v1_beta1.StatefulSet, error) {
 	logrus.Infof("Creating StatefulSet")
 	statefulsetClient := client.AppsV1beta1().StatefulSets(namespace)
-	statefulset, err := statefulsetClient.Create(GetStatefulSet(namespace, statefulsetName))
+	var statefulsetObj *v1_beta1.StatefulSet
+	if volumeMount {
+		statefulsetObj = GetStatefulSet(namespace, statefulsetName)
+	} else {
+		statefulsetObj = GetStatefulSetWithEnvVar(namespace, statefulsetName)
+	}
+	statefulset, err := statefulsetClient.Create(statefulsetObj)
 	time.Sleep(10 * time.Second)
 	return statefulset, err
 }
@@ -374,28 +646,33 @@ func RandSeq(n int) string {
 	return string(b)
 }

+// VerifyResourceUpdate verifies whether the rolling upgrade happened or not
 func VerifyResourceUpdate(client kubernetes.Interface, config util.Config, envVarPostfix string, upgradeFuncs callbacks.RollingUpgradeFuncs) bool {
 	items := upgradeFuncs.ItemsFunc(client, config.Namespace)
 	for _, i := range items {
 		containers := upgradeFuncs.ContainersFunc(i)
 		// match statefulsets with the correct annotation
 		annotationValue := util.ToObjectMeta(i).Annotations[config.Annotation]
-		if annotationValue != "" {
+		reloaderEnabledValue := util.ToObjectMeta(i).Annotations[options.ReloaderAutoAnnotation]
+		reloaderEnabled, err := strconv.ParseBool(reloaderEnabledValue)
+		matches := false
+		if err == nil && reloaderEnabled {
+			matches = true
+		} else if annotationValue != "" {
 			values := strings.Split(annotationValue, ",")
-			matches := false
 			for _, value := range values {
 				if value == config.ResourceName {
 					matches = true
 					break
 				}
 			}
-			if matches {
-				envName := constants.EnvVarPrefix + util.ConvertToEnvVarName(annotationValue) + "_" + envVarPostfix
-				updated := GetResourceSHA(containers, envName)
+		}

-				if updated == config.SHAValue {
-					return true
-				}
+		if matches {
+			envName := constants.EnvVarPrefix + util.ConvertToEnvVarName(config.ResourceName) + "_" + envVarPostfix
+			updated := GetResourceSHA(containers, envName)
+			if updated == config.SHAValue {
+				return true
 			}
 		}
 	}
--- a/internal/pkg/util/config.go
+++ b/internal/pkg/util/config.go
@@ -1,9 +1,38 @@
 package util

+import (
+	"github.com/stakater/Reloader/internal/pkg/constants"
+	"github.com/stakater/Reloader/internal/pkg/options"
+	v1 "k8s.io/api/core/v1"
+)
+
 //Config contains rolling upgrade configuration parameters
 type Config struct {
 	Namespace    string
 	ResourceName string
 	Annotation   string
 	SHAValue     string
+	Type         string
+}
+
+// GetConfigmapConfig provides utility config for configmap
+func GetConfigmapConfig(configmap *v1.ConfigMap) Config {
+	return Config{
+		Namespace:    configmap.Namespace,
+		ResourceName: configmap.Name,
+		Annotation:   options.ConfigmapUpdateOnChangeAnnotation,
+		SHAValue:     GetSHAfromConfigmap(configmap.Data),
+		Type:         constants.ConfigmapEnvVarPostfix,
+	}
+}
+
+// GetSecretConfig provides utility config for secret
+func GetSecretConfig(secret *v1.Secret) Config {
+	return Config{
+		Namespace:    secret.Namespace,
+		ResourceName: secret.Name,
+		Annotation:   options.SecretUpdateOnChangeAnnotation,
+		SHAValue:     GetSHAfromSecret(secret.Data),
+		Type:         constants.SecretEnvVarPostfix,
+	}
 }
--- a/internal/pkg/util/interface.go
+++ b/internal/pkg/util/interface.go
@@ -2,6 +2,7 @@ package util

 import (
 	"reflect"
+	"strconv"

 	"github.com/sirupsen/logrus"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -36,3 +37,14 @@ func ToObjectMeta(kubernetesObject interface{}) ObjectMeta {
 		ObjectMeta: field,
 	}
 }
+
+// ParseBool returns result in bool format after parsing
+func ParseBool(value interface{}) bool {
+	if reflect.Bool == reflect.TypeOf(value).Kind() {
+		return value.(bool)
+	} else if reflect.String == reflect.TypeOf(value).Kind() {
+		result, _ := strconv.ParseBool(value.(string))
+		return result
+	}
+	return false
+}
--- a/internal/pkg/util/util.go
+++ b/internal/pkg/util/util.go
@@ -2,7 +2,10 @@ package util

 import (
 	"bytes"
+	"sort"
 	"strings"
+
+	"github.com/stakater/Reloader/internal/pkg/crypto"
 )

 // ConvertToEnvVarName converts the given text into a usable env var
@@ -25,3 +28,21 @@ func ConvertToEnvVarName(text string) string {
 	}
 	return buffer.String()
 }
+
+func GetSHAfromConfigmap(data map[string]string) string {
+	values := []string{}
+	for k, v := range data {
+		values = append(values, k+"="+v)
+	}
+	sort.Strings(values)
+	return crypto.GenerateSHA(strings.Join(values, ";"))
+}
+
+func GetSHAfromSecret(data map[string][]byte) string {
+	values := []string{}
+	for k, v := range data {
+		values = append(values, k+"="+string(v[:]))
+	}
+	sort.Strings(values)
+	return crypto.GenerateSHA(strings.Join(values, ";"))
+}
Author	SHA1	Message	Date
stakater-user	bf12cbec15	Bump Version to v0.0.32	2019-06-27 08:30:31 +00:00
Irtiza Ali	fdc223a4a6	Merge pull request #68 from DevotedHealth/affinity_tolerations Permit passing resources, tolerations, affinity to Helm chart	2019-06-27 13:07:34 +05:00
Steve Huff	dcbc0e0de0	Permit passing resources, tolerations, affinity to Helm chart These values are all empty by default.	2019-06-26 18:44:39 +00:00
stakater-user	aff377718c	Bump Version to v0.0.31	2019-06-25 09:27:27 +00:00
Ali Kahoot	112e8ba89d	Merge pull request #67 from stakater/add-node-selector-support add-node-selector-support	2019-06-25 14:04:40 +05:00
irti	c2e6231a46	[add-node-selector-support] revert README.md doc change	2019-06-20 12:21:35 +05:00
irti	51b42dc098	[add-node-selector-support] add char in README.md	2019-06-20 12:18:31 +05:00
irti	43200e127a	[add-node-selector-support] add nodeSelector param in values.yaml file	2019-06-20 12:03:37 +05:00
irti	6db5106f85	[add-node-selector-support] fix issue	2019-06-20 11:55:21 +05:00
irti	703c0ea56e	[add-node-selector-support] add nodeSelector support	2019-06-20 11:36:12 +05:00
stakater-user	21563abc07	Bump Version to v0.0.30	2019-06-11 07:36:19 +00:00
Ali Kahoot	ce96eb3810	Merge pull request #65 from blurpy/filesys_and_role Fix issue with readOnlyRootFilesystem and statefulsets permissions	2019-06-11 12:13:13 +05:00
Christian Ihle	b5c8ee2ab9	Add optional support for readOnlyRootFilesystem	2019-06-06 11:59:42 +02:00
Christian Ihle	c27bb3929b	Split permissions for apps and extensions apigroups since statefulsets does not have extensions	2019-06-06 11:54:14 +02:00
stakater-user	67913c9985	Bump Version to v0.0.29	2019-05-23 10:04:32 +00:00
Ali Kahoot	9dac1a30b6	Merge pull request #64 from cko/alpine_update Update alpine container base image to 3.9	2019-05-23 14:41:30 +05:00
Christine Koppelt	ac7f9d09cc	update alpine container base image to 3.9	2019-05-23 10:55:06 +02:00
stakater-user	d8ae3c76da	Bump Version to v0.0.28	2019-05-08 10:22:39 +00:00
Ali Kahoot	3f115618cc	Merge pull request #62 from stakater/issue-61 Initial implementation of fix for issue 61	2019-05-08 14:59:43 +05:00
faizanahmad055	06aa382910	Initial implementation of fix for issue 61 Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-05-07 10:51:58 +02:00
stakater-user	3b69599c77	Bump Version to v0.0.27	2019-04-25 10:18:02 +00:00
Ali Kahoot	125e7536af	Merge pull request #60 from stakater/fix-config-change-logs-issue fix-config-change-logs-issue	2019-04-25 14:55:07 +05:00
irti	66f9b07817	[fix-config-change-logs-issue] fixed log statement placement	2019-04-25 14:19:52 +05:00
irti	40aa9955cd	[fix-config-change-logs-issue] fixed the issue in create.go file	2019-04-25 14:16:42 +05:00
irti	bfff7104aa	[fix-config-change-logs-issue] logs issue fixed	2019-04-25 14:11:31 +05:00
Ali Kahoot	c0acfd0503	Merge pull request #58 from stakater/sealed-secret-doc Sealed secret doc	2019-03-18 20:18:11 +05:00
faizanahmad055	379b6c0131	Add doc for how to use sealed secrets with reloader Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-03-18 16:14:47 +01:00
faizanahmad055	3bf427e985	Add doc for how to use sealed secrets with reloader Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-03-18 16:13:55 +01:00
stakater-user	2b6e5455dc	Bump Version to v0.0.26	2019-02-20 10:57:07 +00:00
Ali Kahoot	9bc8d6b67d	Merge pull request #56 from stakater/add-initContainer-support Initial implementation for init container support	2019-02-20 15:32:44 +05:00
faizanahmad055	0c340fcb48	Fix same name configmap and secret conflict Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-02-18 12:09:53 +01:00
faizanahmad055	889b16718a	Add test cases Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-02-18 10:20:52 +01:00
faizanahmad055	512cbd8c85	Fix incorrect container update Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-02-16 16:52:12 +01:00
faizanahmad055	39944497f3	Implement golang-ci comment Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-02-16 15:50:47 +01:00
faizanahmad055	6fb1266637	Initial implementation for init container support Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-02-16 15:43:56 +01:00
stakater-user	724cda887e	Bump Version to v0.0.25	2019-02-12 08:28:39 +00:00
Muhammad Ahsan	d29f3716b2	Merge pull request #53 from stakater/fix-helper-func append reloader- to serviceAccountName	2019-02-12 13:03:43 +05:00
kahootali	2131f0ebf3	append reloader- to serviceAccountName	2019-02-12 12:20:28 +05:00
stakater-user	0f052162a2	Bump Version to v0.0.24	2019-02-08 10:55:07 +00:00
Faizan Ahmad	02c6de97c8	Merge pull request #50 from ParticleDecay/feat/annotation-flag Parameterize all annotations	2019-02-08 11:31:38 +01:00
kahootali	16bce16f81	add custom annotation	2019-02-08 15:05:18 +05:00
Joey Espinosa	33443ccb29	feat: add cli flags to helm chart	2019-02-06 12:46:17 -05:00
Joey Espinosa	75b00733bf	feat: parameterize all annotations	2019-02-04 12:33:53 -05:00
stakater-user	d2335f8ffd	Bump Version to v0.0.23	2019-02-01 12:21:59 +00:00
Ali Kahoot	87f3a32f68	Merge pull request #49 from stakater/fix-48 Add support for envFrom for autoUpdate	2019-02-01 16:57:46 +05:00
faizanahmad055	95bd5e497f	Use single container loop for envs Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-02-01 12:06:18 +01:00
faizanahmad055	333957d82a	Implemented golang CI comment Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-01-31 16:32:47 +01:00
faizanahmad055	75f67ffa6e	Add support for envFrom for autoUpdate Signed-off-by: faizanahmad055 <faizanahmad@217-212-164-26.customer.telia.com>	2019-01-31 16:03:53 +01:00
Ziming Miao	0558fc3723	fix typo (#47 )	2019-01-30 10:38:23 +05:00
stakater-user	b637e33d9d	Bump Version to v0.0.22	2019-01-25 13:24:41 +00:00
Faizan Ahmad	130741480e	Auto update referenced resource (#45 ) * Add implementation for create event Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Add sleep in testcase Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Fix test case data Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Remove unnecessary dashes from chart Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Fix new env var creation issue Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Optimize upgrade code Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Update logs Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Initial implementation to perform rolling upgrades by auto referencing the resources Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Fix nil pointer exception Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Fix test cases Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Add test cases Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Update test case verify method Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Add missing name for envs Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Update annotation name Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Update readme Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Update readme Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Implement Golang CI comment Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Implement Golang CI comment Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-01-25 14:00:21 +01:00
stakater-user	cd19d739ab	Bump Version to v0.0.21	2019-01-21 08:54:49 +00:00
Ali Kahoot	f15ec9b4d4	Merge pull request #44 from stakater/update-jenkins-file updates pipeline library version	2019-01-21 13:34:39 +05:00
ahsan-storm	013fcdc052	updates pipeline library version	2019-01-21 13:10:31 +05:00
stakater-user	78e98c7999	Bump Version to 0.0.20	2019-01-15 07:34:03 +00:00
Ali Kahoot	44c6333910	Merge pull request #42 from stakater/update-jenkins-file updates jenkins file	2019-01-15 12:14:33 +05:00
ahsan-storm	0316bcd938	updates jenkins file with latest changes	2019-01-15 12:13:42 +05:00
stakater-user	8c77c230e0	Bump Version to 0.0.19	2019-01-15 07:06:57 +00:00
Ali Kahoot	bcffb62e3f	Merge pull request #41 from stakater/update-start-controller-log Update start controller log	2019-01-15 11:46:29 +05:00
ahsan-storm	85c10da63d	updates jenkins file	2019-01-10 19:56:18 +05:00
faizanahmad055	b17ab76a24	Update start controller log Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2019-01-10 18:34:23 +05:00
Faizan Ahmad	23ab5692fa	Update chart for public helm repo (#36 ) * Update chart according to practices of helm public repo Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com> * Add new line at the end of files Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2018-12-10 23:50:54 +01:00
Ali Kahoot	55c93a4dd8	Merge pull request #35 from stakater/update-readme-annotation-location Update readme to explain annotation position	2018-12-05 16:06:14 +05:00
faizanahmad055	32eb9e7959	Update readme to explain annotation position Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2018-12-05 15:43:18 +05:00
Ahmad Iqbal Ali	09046c45ff	Set Reloader specific slack channel url	2018-12-05 15:32:36 +05:00
Faizan Ahmad	f346ca84ab	Update readme and docs (#34 ) Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2018-12-04 21:33:20 +01:00
stakater-user	5041d1a1cf	Bump Version to 0.0.18	2018-10-11 11:55:45 +00:00
Faizan Ahmad	1ad93145b4	Merge pull request #31 from stakater/fix-annotation-placement-confusion Fix annotation placement confusion in readme	2018-10-11 16:33:27 +05:00
faizanahmad055	61b398539e	Fix annotation placement confusion in readme Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2018-10-11 15:38:26 +05:00
stakater-user	0cb86cf665	Bump Version to 0.0.17	2018-10-08 11:24:46 +00:00
Ali Kahoot	b973c37a4f	Merge pull request #30 from stakater/issue-29 Update readme about how to define multiple configmaps and secrets	2018-10-08 16:02:55 +05:00
faizanahmad055	1cfa756178	Remove spaces from comma seperated list in readme Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2018-10-08 14:08:13 +05:00
faizanahmad055	e8854000cb	Update readme about how to define multiple configmaps and secrets Signed-off-by: faizanahmad055 <faizan.ahmad55@outlook.com>	2018-10-08 12:22:04 +05:00
stakater-user	291f25fd0e	Bump Version to 0.0.16	2018-10-01 12:30:26 +00:00
Ali Kahoot	19d5704bf9	Merge pull request #28 from stakater/update-library-version Update library version	2018-10-01 17:04:07 +05:00
Waseem Hassan	d24b112150	Update library version	2018-10-01 17:02:48 +05:00
Ali Kahoot	c5e00d7614	Merge pull request #27 from stakater/update-library-version Update Jenkinsfile	2018-10-01 16:42:02 +05:00
Waseem Hassan	4779ef93c8	Update Jenkinsfile	2018-10-01 16:40:47 +05:00
Ahmad Iqbal Ali	b73f14aef9	add logo (#25 )	2018-08-16 11:44:56 +05:00
stakater-user	67012d9544	Bump Version to 0.0.15	2018-08-10 10:24:31 +00:00
Waseem Hassan	f36c3e4dbb	Merge pull request #23 from stakater/lean-readme cleanup readme	2018-08-10 15:02:26 +05:00
faizanahmad055	b7ac8b8f07	Fix typo	2018-08-10 14:14:16 +05:00
faizanahmad055	9bef611a1a	Add flags and add license	2018-08-10 14:11:55 +05:00
Rasheed Amir	163aede486	cleanup readme - add acknowledgements section - configmap or secret name doesn't need to be same as deployment name	2018-08-10 07:53:14 +02:00
@@ -1 +1 @@
 .0.14
 v0.0.32