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8
Jenkinsfile
vendored
8
Jenkinsfile
vendored
@@ -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'
|
||||
}
|
||||
201
LICENSE
Normal file
201
LICENSE
Normal file
@@ -0,0 +1,201 @@
|
||||
Apache License
|
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|
||||
http://www.apache.org/licenses/
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84
README.md
84
README.md
@@ -1,33 +1,76 @@
|
||||
# RELOADER
|
||||
#  RELOADER
|
||||
|
||||
[](https://goreportcard.com/report/github.com/stakater/reloader)
|
||||
[](http://godoc.org/github.com/stakater/reloader)
|
||||
[](https://github.com/stakater/reloader/releases/latest)
|
||||
[](https://github.com/stakater/reloader/releases/latest)
|
||||
[](https://hub.docker.com/r/stakater/reloader/)
|
||||
[](https://hub.docker.com/r/stakater/reloader/)
|
||||
[](https://microbadger.com/images/stakater/reloader)
|
||||
[](https://microbadger.com/images/stakater/reloader)
|
||||
[](LICENSE)
|
||||
[](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`, `Deamonset` 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)
|
||||
|
||||
## How to use Reloader
|
||||
|
||||
For a `Deployment` called `foo` have a `ConfigMap` called `foo`. Then add this annotation to your `Deployment`
|
||||
### Configmap
|
||||
|
||||
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:
|
||||
configmap.reloader.stakater.com/reload: "foo"
|
||||
configmap.reloader.stakater.com/reload: "foo-configmap"
|
||||
spec:
|
||||
template:
|
||||
metadata:
|
||||
```
|
||||
|
||||
OR
|
||||
|
||||
For a `Deployment` called `foo` have a `Secret` called `foo`. Then add this annotation to your `Deployment`
|
||||
Use comma separated list to define multiple configmaps.
|
||||
|
||||
```yaml
|
||||
kind: Deployment
|
||||
metadata:
|
||||
annotations:
|
||||
secret.reloader.stakater.com/reload: "foo"
|
||||
configmap.reloader.stakater.com/reload: "foo-configmap,bar-configmap,baz-configmap"
|
||||
spec:
|
||||
template:
|
||||
metadata:
|
||||
```
|
||||
|
||||
### Secret
|
||||
|
||||
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:
|
||||
```
|
||||
|
||||
## Deploying to Kubernetes
|
||||
@@ -42,6 +85,8 @@ You can apply vanilla manifests by running the following command
|
||||
kubectl apply -f https://raw.githubusercontent.com/stakater/Reloader/master/deployments/kubernetes/reloader.yaml
|
||||
```
|
||||
|
||||
By default Reloader gets deployed in `default` namespace and watches changes `secrets` and `configmaps` in all namespaces.
|
||||
|
||||
### Helm Charts
|
||||
|
||||
Alternatively if you have configured helm on your cluster, you can add reloader to helm from our public chart repository and deploy it via helm using below mentioned commands
|
||||
@@ -54,21 +99,26 @@ helm repo update
|
||||
helm install stakater/reloader
|
||||
```
|
||||
|
||||
## Monitor All namespaces
|
||||
**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`, `Deamonsets` and `Statefulsets` in `test` namespace.
|
||||
|
||||
By default Reloader gets deployed in `default` namespace and watches changes `secrets` and `configmaps` in all namespaces.
|
||||
```bash
|
||||
helm install stakater/reloader --set reloader.watchGlobally=false --namespace test
|
||||
```
|
||||
|
||||
## Help
|
||||
|
||||
**Got a question?**
|
||||
### Documentation
|
||||
You can find more documentation [here](docs/)
|
||||
|
||||
### Have a question?
|
||||
File a GitHub [issue](https://github.com/stakater/Reloader/issues), or send us an [email](mailto:stakater@gmail.com).
|
||||
|
||||
### Talk to us on Slack
|
||||
|
||||
Join and talk to us on the #tools-imc channel for discussing Reloader
|
||||
Join and talk to us on Slack for discussing Reloader
|
||||
|
||||
[](https://stakater-slack.herokuapp.com/)
|
||||
[](https://stakater.slack.com/messages/CAN960CTG/)
|
||||
[](https://stakater.slack.com/messages/CC5S05S12)
|
||||
|
||||
## Contributing
|
||||
|
||||
@@ -105,3 +155,7 @@ 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)
|
||||
|
||||
BIN
assets/web/reloader-round-100px.png
Normal file
BIN
assets/web/reloader-round-100px.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 12 KiB |
2
deployments/kubernetes/chart/reloader/.helmignore
Normal file
2
deployments/kubernetes/chart/reloader/.helmignore
Normal file
@@ -0,0 +1,2 @@
|
||||
# OWNERS file for Kubernetes
|
||||
OWNERS
|
||||
@@ -3,11 +3,27 @@
|
||||
apiVersion: v1
|
||||
name: reloader
|
||||
description: Reloader chart that runs on kubernetes
|
||||
version: 0.0.7
|
||||
version: v0.0.21
|
||||
appVersion: v0.0.21
|
||||
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
|
||||
|
||||
14
deployments/kubernetes/chart/reloader/OWNERS
Normal file
14
deployments/kubernetes/chart/reloader/OWNERS
Normal file
@@ -0,0 +1,14 @@
|
||||
approvers:
|
||||
- faizanahmad055
|
||||
- kahootali
|
||||
- ahmadiq
|
||||
- waseem-h
|
||||
- rasheedamir
|
||||
- ahsan-storm
|
||||
reviewers:
|
||||
- faizanahmad055
|
||||
- kahootali
|
||||
- ahmadiq
|
||||
- waseem-h
|
||||
- rasheedamir
|
||||
- ahsan-storm
|
||||
@@ -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.
|
||||
@@ -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 "serviceAccountName" -}}
|
||||
{{- if .Values.reloader.serviceAccount.create -}}
|
||||
{{ default (include "reloader-fullname" .) .Values.reloader.serviceAccount.name }}
|
||||
{{- else -}}
|
||||
{{ default "default" .Values.reloader.serviceAccount.name }}
|
||||
{{- end -}}
|
||||
{{- end -}}
|
||||
|
||||
@@ -0,0 +1,38 @@
|
||||
---
|
||||
{{- 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:
|
||||
- "extensions"
|
||||
- "apps"
|
||||
resources:
|
||||
- deployments
|
||||
- daemonsets
|
||||
- statefulsets
|
||||
verbs:
|
||||
- list
|
||||
- get
|
||||
- update
|
||||
- patch
|
||||
{{- end }}
|
||||
@@ -0,0 +1,24 @@
|
||||
{{- 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 "serviceAccountName" . }}
|
||||
namespace: {{ .Release.Namespace }}
|
||||
{{- end }}
|
||||
@@ -1,31 +1,73 @@
|
||||
apiVersion: extensions/v1beta1
|
||||
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:
|
||||
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" . }}
|
||||
|
||||
serviceAccountName: {{ template "serviceAccountName" . }}
|
||||
|
||||
@@ -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 }}
|
||||
37
deployments/kubernetes/chart/reloader/templates/role.yaml
Normal file
37
deployments/kubernetes/chart/reloader/templates/role.yaml
Normal file
@@ -0,0 +1,37 @@
|
||||
{{- 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:
|
||||
- "extensions"
|
||||
- "apps"
|
||||
resources:
|
||||
- deployments
|
||||
- daemonsets
|
||||
- statefulsets
|
||||
verbs:
|
||||
- list
|
||||
- get
|
||||
- update
|
||||
- patch
|
||||
{{- end }}
|
||||
@@ -0,0 +1,24 @@
|
||||
{{- 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 "serviceAccountName" . }}
|
||||
namespace: {{ .Release.Namespace }}
|
||||
{{- end }}
|
||||
@@ -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 "serviceAccountName" . }}
|
||||
{{- end }}
|
||||
@@ -4,12 +4,34 @@ kubernetes:
|
||||
host: https://kubernetes.default
|
||||
|
||||
reloader:
|
||||
labels:
|
||||
provider: stakater
|
||||
group: com.stakater.platform
|
||||
version: 0.0.7
|
||||
image:
|
||||
name: stakater/reloader
|
||||
tag: "0.0.7"
|
||||
pullPolicy: IfNotPresent
|
||||
watchGlobally: true
|
||||
watchGlobally: true
|
||||
matchLabels: {}
|
||||
deployment:
|
||||
annotations: {}
|
||||
labels:
|
||||
provider: stakater
|
||||
group: com.stakater.platform
|
||||
version: v0.0.21
|
||||
image:
|
||||
name: stakater/reloader
|
||||
tag: "v0.0.21"
|
||||
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:
|
||||
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
|
||||
|
||||
36
deployments/kubernetes/manifests/clusterrole.yaml
Normal file
36
deployments/kubernetes/manifests/clusterrole.yaml
Normal file
@@ -0,0 +1,36 @@
|
||||
---
|
||||
# Source: reloader/templates/clusterrole.yaml
|
||||
---
|
||||
apiVersion: rbac.authorization.k8s.io/v1beta1
|
||||
kind: ClusterRole
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
chart: "reloader-v0.0.21"
|
||||
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
|
||||
|
||||
23
deployments/kubernetes/manifests/clusterrolebinding.yaml
Normal file
23
deployments/kubernetes/manifests/clusterrolebinding.yaml
Normal file
@@ -0,0 +1,23 @@
|
||||
---
|
||||
# Source: reloader/templates/clusterrolebinding.yaml
|
||||
|
||||
---
|
||||
apiVersion: rbac.authorization.k8s.io/v1beta1
|
||||
kind: ClusterRoleBinding
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
chart: "reloader-v0.0.21"
|
||||
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
|
||||
|
||||
@@ -5,12 +5,13 @@ kind: Deployment
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: 0.0.7
|
||||
chart: "reloader-0.0.7"
|
||||
chart: "reloader-v0.0.21"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: v0.0.21
|
||||
|
||||
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-v0.0.21"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: v0.0.21
|
||||
|
||||
spec:
|
||||
containers:
|
||||
- env:
|
||||
image: "stakater/reloader:0.0.7"
|
||||
image: "stakater/reloader:v0.0.21"
|
||||
imagePullPolicy: IfNotPresent
|
||||
name: reloader
|
||||
serviceAccountName: reloader
|
||||
|
||||
|
||||
|
||||
@@ -7,8 +7,8 @@ metadata:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: 0.0.7
|
||||
chart: "reloader-0.0.7"
|
||||
version: 0.0.18
|
||||
chart: "reloader-0.0.18"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
name: reloader
|
||||
@@ -20,8 +20,8 @@ metadata:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: 0.0.7
|
||||
chart: "reloader-0.0.7"
|
||||
version: 0.0.18
|
||||
chart: "reloader-0.0.18"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
name: reloader-role
|
||||
@@ -57,8 +57,8 @@ metadata:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: 0.0.7
|
||||
chart: "reloader-0.0.7"
|
||||
version: 0.0.18
|
||||
chart: "reloader-0.0.18"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
name: reloader-role-binding
|
||||
|
||||
4
deployments/kubernetes/manifests/role.yaml
Normal file
4
deployments/kubernetes/manifests/role.yaml
Normal file
@@ -0,0 +1,4 @@
|
||||
---
|
||||
# Source: reloader/templates/role.yaml
|
||||
|
||||
|
||||
4
deployments/kubernetes/manifests/rolebinding.yaml
Normal file
4
deployments/kubernetes/manifests/rolebinding.yaml
Normal file
@@ -0,0 +1,4 @@
|
||||
---
|
||||
# Source: reloader/templates/rolebinding.yaml
|
||||
|
||||
|
||||
13
deployments/kubernetes/manifests/serviceaccount.yaml
Normal file
13
deployments/kubernetes/manifests/serviceaccount.yaml
Normal file
@@ -0,0 +1,13 @@
|
||||
---
|
||||
# Source: reloader/templates/serviceaccount.yaml
|
||||
|
||||
apiVersion: v1
|
||||
kind: ServiceAccount
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
chart: "reloader-v0.0.21"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
name: reloader
|
||||
|
||||
@@ -1,3 +1,7 @@
|
||||
---
|
||||
# Source: reloader/templates/role.yaml
|
||||
|
||||
|
||||
---
|
||||
# Source: reloader/templates/deployment.yaml
|
||||
apiVersion: extensions/v1beta1
|
||||
@@ -5,12 +9,13 @@ kind: Deployment
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: 0.0.7
|
||||
chart: "reloader-0.0.7"
|
||||
chart: "reloader-v0.0.21"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: v0.0.21
|
||||
|
||||
name: reloader
|
||||
spec:
|
||||
replicas: 1
|
||||
@@ -18,22 +23,66 @@ spec:
|
||||
selector:
|
||||
matchLabels:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
release: "RELEASE-NAME"
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
chart: "reloader-v0.0.21"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: v0.0.21
|
||||
|
||||
spec:
|
||||
containers:
|
||||
- env:
|
||||
image: "stakater/reloader:0.0.7"
|
||||
image: "stakater/reloader:v0.0.21"
|
||||
imagePullPolicy: IfNotPresent
|
||||
name: reloader
|
||||
serviceAccountName: reloader
|
||||
|
||||
|
||||
---
|
||||
# Source: reloader/templates/clusterrole.yaml
|
||||
---
|
||||
apiVersion: rbac.authorization.k8s.io/v1beta1
|
||||
kind: ClusterRole
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
chart: "reloader-v0.0.21"
|
||||
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
|
||||
|
||||
---
|
||||
# Source: reloader/templates/rolebinding.yaml
|
||||
|
||||
|
||||
---
|
||||
# Source: reloader/templates/rbac.yaml
|
||||
apiVersion: v1
|
||||
@@ -43,8 +92,8 @@ metadata:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: 0.0.7
|
||||
chart: "reloader-0.0.7"
|
||||
version: 0.0.18
|
||||
chart: "reloader-0.0.18"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
name: reloader
|
||||
@@ -56,8 +105,8 @@ metadata:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: 0.0.7
|
||||
chart: "reloader-0.0.7"
|
||||
version: 0.0.18
|
||||
chart: "reloader-0.0.18"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
name: reloader-role
|
||||
@@ -93,8 +142,8 @@ metadata:
|
||||
app: reloader
|
||||
group: com.stakater.platform
|
||||
provider: stakater
|
||||
version: 0.0.7
|
||||
chart: "reloader-0.0.7"
|
||||
version: 0.0.18
|
||||
chart: "reloader-0.0.18"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
name: reloader-role-binding
|
||||
@@ -107,3 +156,39 @@ subjects:
|
||||
- kind: ServiceAccount
|
||||
name: reloader
|
||||
namespace: default
|
||||
---
|
||||
# Source: reloader/templates/clusterrolebinding.yaml
|
||||
|
||||
---
|
||||
apiVersion: rbac.authorization.k8s.io/v1beta1
|
||||
kind: ClusterRoleBinding
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
chart: "reloader-v0.0.21"
|
||||
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
|
||||
|
||||
---
|
||||
# Source: reloader/templates/serviceaccount.yaml
|
||||
|
||||
apiVersion: v1
|
||||
kind: ServiceAccount
|
||||
metadata:
|
||||
labels:
|
||||
app: reloader
|
||||
chart: "reloader-v0.0.21"
|
||||
release: "RELEASE-NAME"
|
||||
heritage: "Tiller"
|
||||
name: reloader
|
||||
|
||||
|
||||
@@ -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
|
||||
|
||||
@@ -4,12 +4,34 @@ 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
|
||||
matchLabels: {}
|
||||
deployment:
|
||||
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:
|
||||
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
|
||||
|
||||
@@ -75,3 +75,6 @@ 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`.
|
||||
|
||||
@@ -1,10 +1,11 @@
|
||||
|
||||
# Reloader vs ConfigmapController
|
||||
|
||||
Reloader is inspired from [configmapcontroller](https://github.com/fabric8io/configmapcontroller) but there are many ways in which it differs from configmapController. Below is the small comparison between these two controllers.
|
||||
Reloader is inspired from [Configmapcontroller](https://github.com/fabric8io/configmapcontroller) but there are many ways in which it differs from configmapController. Below is the small comparison between these two controllers.
|
||||
|
||||
| Configmap | Reloader |
|
||||
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|
||||
| ConfigmapController can only watch changes in `configmaps`. It cannot detect changes in other resources like `secrets`. | Reloader on the other hand can watch and detect changes in both `secrets` and `configmaps`. |
|
||||
| ConfigmapController can only perform rolling upgrades on `deployments`. It currently does not support rolling upgrades on `statefulsets` and `daemonsets` | Reloader on the other hand can perform rolling upgrades on `deployments` as well as on `statefulsets` and `daemonsets` |
|
||||
| Currently there are no 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 if new changes break any older functionality or not. | 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 older functionality. |
|
||||
| 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 also very less pron to collision. |
|
||||
| Reloader | Configmap |
|
||||
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|
||||
| 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. |
|
||||
51
docs/Verify-Reloader-Working.md
Normal file
51
docs/Verify-Reloader-Working.md
Normal file
@@ -0,0 +1,51 @@
|
||||
# Verify Reloader's Working
|
||||
|
||||
Reloader's working can be verified by two ways.
|
||||
|
||||
## Verify from logs
|
||||
|
||||
Check the logs of reloader and verify that you can see logs looks like below, if you are able to find these logs then it means reloader is working.
|
||||
|
||||
```text
|
||||
Changes Detected in test-object of type 'SECRET' in namespace: test-reloader
|
||||
|
||||
Updated test-resource of type Deployment in namespace: test-reloader
|
||||
```
|
||||
|
||||
Below are the details that explain these logs:
|
||||
|
||||
### test-object
|
||||
|
||||
`test-object` is the name of a `secret` or a `deployment` in which change has been detected.
|
||||
|
||||
### SECRET
|
||||
|
||||
`SECRET` is the type of `test-object`. It can either be `SECRET` or `CONFIGMAP`
|
||||
|
||||
### test-reloader
|
||||
|
||||
`test-reloader` is the name of namespace in which reloader has detected the change.
|
||||
|
||||
### test-resource
|
||||
|
||||
`test-resource` is the name of resource which is going to be updated
|
||||
|
||||
### Deployment
|
||||
|
||||
`Deployment` is the type of `test-resource`. It can either be a `Deployment`, `Daemonset` or `Statefulset`
|
||||
|
||||
## Verify by checking the age of Pod
|
||||
|
||||
A pod's age can tell whether reloader is working correctly or not. If you know that a change in a `secret` or `configmap` has occurred, then check the relevant Pod's age immediately. It should be newly created few moments ago.
|
||||
|
||||
### Verify from kubernetes Dashboard
|
||||
|
||||
`kubernetes dashboard` can be used to verify the working of Reloader. After a change in `secret` or `configmap`, check the relevant Pod's age from dashboard. It should be newly created few moments ago.
|
||||
|
||||
### Verify from command line
|
||||
|
||||
After a change in `secret` or `configmap`. Run the below mentioned command and verify that the pod is newly created.
|
||||
|
||||
```bash
|
||||
kubectl get pods <pod name> -n <namespace name>
|
||||
```
|
||||
7
docs/features.md
Normal file
7
docs/features.md
Normal file
@@ -0,0 +1,7 @@
|
||||
# Features
|
||||
|
||||
These are the key features of Reloader:
|
||||
|
||||
1. Restart pod in a depoloyment on change in linked/related configmap's or secret's
|
||||
2. Restart pod in a daemonset on change in linked/related configmap's or secret's
|
||||
3. Restart pod in a statefulset on change in linked/related configmap's or secret's
|
||||
@@ -43,7 +43,7 @@ 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)
|
||||
}
|
||||
|
||||
|
||||
@@ -2,9 +2,9 @@ package constants
|
||||
|
||||
const (
|
||||
// ConfigmapEnvVarPostfix is a postfix for configmap envVar
|
||||
ConfigmapEnvVarPostfix = "_CONFIGMAP"
|
||||
ConfigmapEnvVarPostfix = "CONFIGMAP"
|
||||
// SecretEnvVarPostfix is a postfix for secret envVar
|
||||
SecretEnvVarPostfix = "_SECRET"
|
||||
SecretEnvVarPostfix = "SECRET"
|
||||
// EnvVarPrefix is a Prefix for environment variable
|
||||
EnvVarPrefix = "STAKATER_"
|
||||
)
|
||||
|
||||
@@ -69,8 +69,6 @@ func (c *Controller) Delete(old interface{}) {
|
||||
|
||||
//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
|
||||
|
||||
@@ -25,7 +25,6 @@ var (
|
||||
|
||||
func TestMain(m *testing.M) {
|
||||
|
||||
logrus.Infof("Creating namespace %s", namespace)
|
||||
testutil.CreateNamespace(namespace, client)
|
||||
|
||||
logrus.Infof("Creating controller")
|
||||
@@ -45,7 +44,6 @@ func TestMain(m *testing.M) {
|
||||
logrus.Infof("Running Testcases")
|
||||
retCode := m.Run()
|
||||
|
||||
logrus.Infof("Deleting namespace %q.\n", namespace)
|
||||
testutil.DeleteNamespace(namespace, client)
|
||||
|
||||
os.Exit(retCode)
|
||||
@@ -268,7 +266,6 @@ func TestControllerUpdatingSecretShouldCreateEnvInDeployment(t *testing.T) {
|
||||
if !updated {
|
||||
t.Errorf("Deployment was not updated")
|
||||
}
|
||||
//time.Sleep(5 * time.Second)
|
||||
|
||||
// Deleting Deployment
|
||||
err = testutil.DeleteDeployment(client, namespace, secretName)
|
||||
@@ -330,7 +327,6 @@ func TestControllerUpdatingSecretShouldUpdateEnvInDeployment(t *testing.T) {
|
||||
if !updated {
|
||||
t.Errorf("Deployment was not updated")
|
||||
}
|
||||
//time.Sleep(5 * time.Second)
|
||||
|
||||
// Deleting Deployment
|
||||
err = testutil.DeleteDeployment(client, namespace, secretName)
|
||||
@@ -385,7 +381,6 @@ func TestControllerUpdatingSecretLabelsShouldNotCreateorUpdateEnvInDeployment(t
|
||||
if updated {
|
||||
t.Errorf("Deployment should not be updated by changing label in secret")
|
||||
}
|
||||
//time.Sleep(5 * time.Second)
|
||||
|
||||
// Deleting Deployment
|
||||
err = testutil.DeleteDeployment(client, namespace, secretName)
|
||||
@@ -559,7 +554,6 @@ func TestControllerUpdatingSecretShouldCreateEnvInDaemonSet(t *testing.T) {
|
||||
if !updated {
|
||||
t.Errorf("DaemonSet was not updated")
|
||||
}
|
||||
//time.Sleep(5 * time.Second)
|
||||
|
||||
// Deleting DaemonSet
|
||||
err = testutil.DeleteDaemonSet(client, namespace, secretName)
|
||||
@@ -622,7 +616,6 @@ func TestControllerUpdatingSecretShouldUpdateEnvInDaemonSet(t *testing.T) {
|
||||
if !updated {
|
||||
t.Errorf("DaemonSet was not updated")
|
||||
}
|
||||
//time.Sleep(5 * time.Second)
|
||||
|
||||
// Deleting DaemonSet
|
||||
err = testutil.DeleteDaemonSet(client, namespace, secretName)
|
||||
@@ -677,7 +670,6 @@ func TestControllerUpdatingSecretLabelsShouldNotCreateorUpdateEnvInDaemonSet(t *
|
||||
if updated {
|
||||
t.Errorf("DaemonSet should not be updated by changing label in secret")
|
||||
}
|
||||
//time.Sleep(5 * time.Second)
|
||||
|
||||
// Deleting DaemonSet
|
||||
err = testutil.DeleteDaemonSet(client, namespace, secretName)
|
||||
@@ -851,7 +843,6 @@ func TestControllerUpdatingSecretShouldCreateEnvInStatefulSet(t *testing.T) {
|
||||
if !updated {
|
||||
t.Errorf("StatefulSet was not updated")
|
||||
}
|
||||
//time.Sleep(5 * time.Second)
|
||||
|
||||
// Deleting StatefulSet
|
||||
err = testutil.DeleteStatefulSet(client, namespace, secretName)
|
||||
@@ -913,7 +904,6 @@ func TestControllerUpdatingSecretShouldUpdateEnvInStatefulSet(t *testing.T) {
|
||||
if !updated {
|
||||
t.Errorf("StatefulSet was not updated")
|
||||
}
|
||||
//time.Sleep(5 * time.Second)
|
||||
|
||||
// Deleting StatefulSet
|
||||
err = testutil.DeleteStatefulSet(client, namespace, secretName)
|
||||
|
||||
@@ -2,7 +2,6 @@ package handler
|
||||
|
||||
import (
|
||||
"github.com/sirupsen/logrus"
|
||||
"k8s.io/api/core/v1"
|
||||
)
|
||||
|
||||
// ResourceCreatedHandler contains new objects
|
||||
@@ -13,17 +12,7 @@ type ResourceCreatedHandler struct {
|
||||
// Handle processes the newly created resource
|
||||
func (r ResourceCreatedHandler) Handle() error {
|
||||
if r.Resource == nil {
|
||||
logrus.Errorf("Error in Handler")
|
||||
} else {
|
||||
logrus.Infof("Detected changes in object %s", r.Resource)
|
||||
// process resource based on its type
|
||||
if _, ok := r.Resource.(*v1.ConfigMap); ok {
|
||||
logrus.Infof("A 'configmap' has been 'Added' but no implementation found to take action")
|
||||
} else if _, ok := r.Resource.(*v1.Secret); ok {
|
||||
logrus.Infof("A 'secret' has been 'Added' but no implementation found to take action")
|
||||
} else {
|
||||
logrus.Warnf("Invalid resource: Resource should be 'Secret' or 'Configmap' but found, %v", r.Resource)
|
||||
}
|
||||
logrus.Errorf("Resource creation handler received nil resource")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
@@ -23,47 +23,44 @@ type ResourceUpdatedHandler struct {
|
||||
// Handle processes the updated resource
|
||||
func (r ResourceUpdatedHandler) Handle() error {
|
||||
if r.Resource == nil || r.OldResource == nil {
|
||||
logrus.Errorf("Error in Handler")
|
||||
logrus.Errorf("Resource update handler received nil resource")
|
||||
} else {
|
||||
logrus.Infof("Detected changes in object %s", r.Resource)
|
||||
// process resource based on its type
|
||||
rollingUpgrade(r, callbacks.RollingUpgradeFuncs{
|
||||
ItemsFunc: callbacks.GetDeploymentItems,
|
||||
ContainersFunc: callbacks.GetDeploymentContainers,
|
||||
UpdateFunc: callbacks.UpdateDeployment,
|
||||
ResourceType: "Deployment",
|
||||
})
|
||||
rollingUpgrade(r, callbacks.RollingUpgradeFuncs{
|
||||
ItemsFunc: callbacks.GetDaemonSetItems,
|
||||
ContainersFunc: callbacks.GetDaemonSetContainers,
|
||||
UpdateFunc: callbacks.UpdateDaemonSet,
|
||||
ResourceType: "DaemonSet",
|
||||
})
|
||||
rollingUpgrade(r, callbacks.RollingUpgradeFuncs{
|
||||
ItemsFunc: callbacks.GetStatefulSetItems,
|
||||
ContainersFunc: callbacks.GetStatefulsetContainers,
|
||||
UpdateFunc: callbacks.UpdateStatefulset,
|
||||
ResourceType: "StatefulSet",
|
||||
})
|
||||
config, envVarPostfix, oldSHAData := getConfig(r)
|
||||
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",
|
||||
})
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func rollingUpgrade(r ResourceUpdatedHandler, upgradeFuncs callbacks.RollingUpgradeFuncs) {
|
||||
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)
|
||||
}
|
||||
|
||||
config, envVarPostfix, oldSHAData := getConfig(r)
|
||||
|
||||
if config.SHAValue != oldSHAData {
|
||||
err = PerformRollingUpgrade(client, config, envVarPostfix, upgradeFuncs)
|
||||
if err != nil {
|
||||
logrus.Fatalf("Rolling upgrade failed with error = %v", err)
|
||||
}
|
||||
} else {
|
||||
logrus.Infof("Rolling upgrade will not happend because no actual change in data has been detected")
|
||||
err = PerformRollingUpgrade(client, config, envarPostfix, upgradeFuncs)
|
||||
if err != nil {
|
||||
logrus.Errorf("Rolling upgrade for %s failed with error = %v", config.ResourceName, err)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -71,12 +68,10 @@ func getConfig(r ResourceUpdatedHandler) (util.Config, string, string) {
|
||||
var oldSHAData, envVarPostfix string
|
||||
var config util.Config
|
||||
if _, ok := r.Resource.(*v1.ConfigMap); ok {
|
||||
logrus.Infof("Performing 'Updated' action for resource of type 'configmap'")
|
||||
oldSHAData = getSHAfromConfigmap(r.OldResource.(*v1.ConfigMap).Data)
|
||||
config = getConfigmapConfig(r)
|
||||
envVarPostfix = constants.ConfigmapEnvVarPostfix
|
||||
} else if _, ok := r.Resource.(*v1.Secret); ok {
|
||||
logrus.Infof("Performing 'Updated' action for resource of type 'secret'")
|
||||
oldSHAData = getSHAfromSecret(r.OldResource.(*v1.Secret).Data)
|
||||
config = getSecretConfig(r)
|
||||
envVarPostfix = constants.SecretEnvVarPostfix
|
||||
@@ -112,6 +107,7 @@ func PerformRollingUpgrade(client kubernetes.Interface, config util.Config, enva
|
||||
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 != "" {
|
||||
@@ -120,13 +116,13 @@ func PerformRollingUpgrade(client kubernetes.Interface, config util.Config, enva
|
||||
if value == config.ResourceName {
|
||||
updated := updateContainers(containers, value, config.SHAValue, envarPostfix)
|
||||
if !updated {
|
||||
logrus.Warnf("Rolling upgrade did not happen")
|
||||
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 %s failed %v", upgradeFuncs.ResourceType, err)
|
||||
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", config.ResourceName, upgradeFuncs.ResourceType)
|
||||
logrus.Infof("Updated %s of type %s in namespace: %s ", resourceName, upgradeFuncs.ResourceType, config.Namespace)
|
||||
}
|
||||
break
|
||||
}
|
||||
@@ -139,8 +135,7 @@ func PerformRollingUpgrade(client kubernetes.Interface, config util.Config, enva
|
||||
|
||||
func updateContainers(containers []v1.Container, annotationValue string, shaData string, envarPostfix string) bool {
|
||||
updated := false
|
||||
envar := constants.EnvVarPrefix + util.ConvertToEnvVarName(annotationValue) + envarPostfix
|
||||
logrus.Infof("Generated environment variable: %s", envar)
|
||||
envar := constants.EnvVarPrefix + util.ConvertToEnvVarName(annotationValue)+ "_" + envarPostfix
|
||||
for i := range containers {
|
||||
envs := containers[i].Env
|
||||
|
||||
@@ -155,7 +150,6 @@ func updateContainers(containers []v1.Container, annotationValue string, shaData
|
||||
}
|
||||
containers[i].Env = append(containers[i].Env, e)
|
||||
updated = true
|
||||
logrus.Infof("%s environment variable does not exist, creating a new envVar", envar)
|
||||
}
|
||||
}
|
||||
return updated
|
||||
@@ -164,9 +158,7 @@ func updateContainers(containers []v1.Container, annotationValue string, shaData
|
||||
func updateEnvVar(envs []v1.EnvVar, envar string, shaData string) bool {
|
||||
for j := range envs {
|
||||
if envs[j].Name == envar {
|
||||
logrus.Infof("%s environment variable found", envar)
|
||||
if envs[j].Value != shaData {
|
||||
logrus.Infof("Updating %s", envar)
|
||||
envs[j].Value = shaData
|
||||
return true
|
||||
}
|
||||
|
||||
@@ -22,7 +22,7 @@ var (
|
||||
|
||||
func TestMain(m *testing.M) {
|
||||
|
||||
logrus.Infof("Creating namespace %s", namespace)
|
||||
// Creating namespace
|
||||
testutil.CreateNamespace(namespace, client)
|
||||
|
||||
logrus.Infof("Setting up the test resources")
|
||||
|
||||
@@ -236,7 +236,6 @@ func GetResourceSHA(containers []v1.Container, envar string) string {
|
||||
//ConvertResourceToSHA generates SHA from secret or configmap data
|
||||
func ConvertResourceToSHA(resourceType string, namespace string, resourceName string, data string) string {
|
||||
values := []string{}
|
||||
logrus.Infof("Generating SHA for secret data")
|
||||
if resourceType == SecretResourceType {
|
||||
secret := GetSecret(namespace, resourceName, data)
|
||||
for k, v := range secret.Data {
|
||||
@@ -391,7 +390,7 @@ func VerifyResourceUpdate(client kubernetes.Interface, config util.Config, envVa
|
||||
}
|
||||
}
|
||||
if matches {
|
||||
envName := constants.EnvVarPrefix + util.ConvertToEnvVarName(annotationValue) + envVarPostfix
|
||||
envName := constants.EnvVarPrefix + util.ConvertToEnvVarName(annotationValue) + "_" + envVarPostfix
|
||||
updated := GetResourceSHA(containers, envName)
|
||||
|
||||
if updated == config.SHAValue {
|
||||
|
||||
Reference in New Issue
Block a user