From 8ef1b7211d52bc96fb546cb2b6ca1dbef01870a1 Mon Sep 17 00:00:00 2001 From: Stefan Prodan Date: Fri, 26 Jan 2018 03:08:21 +0200 Subject: [PATCH] Helm chart --- chart/stable/podinfo/.helmignore | 21 +++++++ chart/stable/podinfo/Chart.yaml | 8 +++ chart/stable/podinfo/templates/NOTES.txt | 19 ++++++ chart/stable/podinfo/templates/_helpers.tpl | 32 ++++++++++ .../stable/podinfo/templates/deployment.yaml | 58 +++++++++++++++++++ chart/stable/podinfo/templates/ingress.yaml | 39 +++++++++++++ chart/stable/podinfo/templates/service.yaml | 22 +++++++ chart/stable/podinfo/values.yaml | 45 ++++++++++++++ 8 files changed, 244 insertions(+) create mode 100644 chart/stable/podinfo/.helmignore create mode 100644 chart/stable/podinfo/Chart.yaml create mode 100644 chart/stable/podinfo/templates/NOTES.txt create mode 100644 chart/stable/podinfo/templates/_helpers.tpl create mode 100644 chart/stable/podinfo/templates/deployment.yaml create mode 100644 chart/stable/podinfo/templates/ingress.yaml create mode 100644 chart/stable/podinfo/templates/service.yaml create mode 100644 chart/stable/podinfo/values.yaml diff --git a/chart/stable/podinfo/.helmignore b/chart/stable/podinfo/.helmignore new file mode 100644 index 0000000..f0c1319 --- /dev/null +++ b/chart/stable/podinfo/.helmignore @@ -0,0 +1,21 @@ +# Patterns to ignore when building packages. +# This supports shell glob matching, relative path matching, and +# negation (prefixed with !). Only one pattern per line. +.DS_Store +# Common VCS dirs +.git/ +.gitignore +.bzr/ +.bzrignore +.hg/ +.hgignore +.svn/ +# Common backup files +*.swp +*.bak +*.tmp +*~ +# Various IDEs +.project +.idea/ +*.tmproj diff --git a/chart/stable/podinfo/Chart.yaml b/chart/stable/podinfo/Chart.yaml new file mode 100644 index 0000000..736df7a --- /dev/null +++ b/chart/stable/podinfo/Chart.yaml @@ -0,0 +1,8 @@ +apiVersion: v1 +appVersion: "0.0.1" +description: Podinfo Helm chart for Kubernetes +name: podinfo +version: 0.0.1 +home: https://github.com/stefanprodan/k8s-podinfo +sources: +- https://github.com/stefanprodan/k8s-podinfo diff --git a/chart/stable/podinfo/templates/NOTES.txt b/chart/stable/podinfo/templates/NOTES.txt new file mode 100644 index 0000000..d82f62e --- /dev/null +++ b/chart/stable/podinfo/templates/NOTES.txt @@ -0,0 +1,19 @@ +1. Get the application URL by running these commands: +{{- if .Values.ingress.enabled }} +{{- range .Values.ingress.hosts }} + http{{ if $.Values.ingress.tls }}s{{ end }}://{{ . }}{{ $.Values.ingress.path }} +{{- end }} +{{- else if contains "NodePort" .Values.service.type }} + export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "podinfo.fullname" . }}) + export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}") + echo http://$NODE_IP:$NODE_PORT +{{- else if contains "LoadBalancer" .Values.service.type }} + NOTE: It may take a few minutes for the LoadBalancer IP to be available. + You can watch the status of by running 'kubectl get svc -w {{ template "podinfo.fullname" . }}' + export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "podinfo.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}') + echo http://$SERVICE_IP:{{ .Values.service.port }} +{{- else if contains "ClusterIP" .Values.service.type }} + export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "podinfo.name" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}") + echo "Visit http://127.0.0.1:8080 to use your application" + kubectl port-forward $POD_NAME 8080:{{ .Values.service.externalPort }} +{{- end }} diff --git a/chart/stable/podinfo/templates/_helpers.tpl b/chart/stable/podinfo/templates/_helpers.tpl new file mode 100644 index 0000000..ef88d3d --- /dev/null +++ b/chart/stable/podinfo/templates/_helpers.tpl @@ -0,0 +1,32 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Expand the name of the chart. +*/}} +{{- define "podinfo.name" -}} +{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Create a default fully qualified app name. +We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). +If release name contains chart name it will be used as a full name. +*/}} +{{- define "podinfo.fullname" -}} +{{- if .Values.fullnameOverride -}} +{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- $name := default .Chart.Name .Values.nameOverride -}} +{{- if contains $name .Release.Name -}} +{{- .Release.Name | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}} +{{- end -}} +{{- end -}} +{{- end -}} + +{{/* +Create chart name and version as used by the chart label. +*/}} +{{- define "podinfo.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}} +{{- end -}} diff --git a/chart/stable/podinfo/templates/deployment.yaml b/chart/stable/podinfo/templates/deployment.yaml new file mode 100644 index 0000000..cbe9b73 --- /dev/null +++ b/chart/stable/podinfo/templates/deployment.yaml @@ -0,0 +1,58 @@ +apiVersion: apps/v1beta2 +kind: Deployment +metadata: + name: {{ template "podinfo.fullname" . }} + labels: + app: {{ template "podinfo.name" . }} + chart: {{ template "podinfo.chart" . }} + release: {{ .Release.Name }} + heritage: {{ .Release.Service }} +spec: + replicas: {{ .Values.replicaCount }} + selector: + matchLabels: + app: {{ template "podinfo.name" . }} + release: {{ .Release.Name }} + template: + metadata: + labels: + app: {{ template "podinfo.name" . }} + release: {{ .Release.Name }} + annotations: + prometheus.io/scrape: 'true' + spec: + containers: + - name: {{ .Chart.Name }} + image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + command: + - ./podinfo + - -port={{ .Values.service.containerPort }} + - -logtostderr=true + - -v={{ .Values.logLevel }} + ports: + - name: http + containerPort: {{ .Values.service.containerPort }} + protocol: TCP + livenessProbe: + httpGet: + path: /healthz + port: http + readinessProbe: + httpGet: + path: /readyz + port: http + resources: +{{ toYaml .Values.resources | indent 12 }} + {{- with .Values.nodeSelector }} + nodeSelector: +{{ toYaml . | indent 8 }} + {{- end }} + {{- with .Values.affinity }} + affinity: +{{ toYaml . | indent 8 }} + {{- end }} + {{- with .Values.tolerations }} + tolerations: +{{ toYaml . | indent 8 }} + {{- end }} diff --git a/chart/stable/podinfo/templates/ingress.yaml b/chart/stable/podinfo/templates/ingress.yaml new file mode 100644 index 0000000..babd415 --- /dev/null +++ b/chart/stable/podinfo/templates/ingress.yaml @@ -0,0 +1,39 @@ +{{- if .Values.ingress.enabled -}} +{{- $fullName := include "podinfo.fullname" . -}} +{{- $servicePort := .Values.service.port -}} +{{- $ingressPath := .Values.ingress.path -}} +apiVersion: extensions/v1beta1 +kind: Ingress +metadata: + name: {{ $fullName }} + labels: + app: {{ template "podinfo.name" . }} + chart: {{ template "podinfo.chart" . }} + release: {{ .Release.Name }} + heritage: {{ .Release.Service }} +{{- with .Values.ingress.annotations }} + annotations: +{{ toYaml . | indent 4 }} +{{- end }} +spec: +{{- if .Values.ingress.tls }} + tls: + {{- range .Values.ingress.tls }} + - hosts: + {{- range .hosts }} + - {{ . }} + {{- end }} + secretName: {{ .secretName }} + {{- end }} +{{- end }} + rules: + {{- range .Values.ingress.hosts }} + - host: {{ . }} + http: + paths: + - path: {{ $ingressPath }} + backend: + serviceName: {{ $fullName }} + servicePort: http + {{- end }} +{{- end }} diff --git a/chart/stable/podinfo/templates/service.yaml b/chart/stable/podinfo/templates/service.yaml new file mode 100644 index 0000000..831e895 --- /dev/null +++ b/chart/stable/podinfo/templates/service.yaml @@ -0,0 +1,22 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ template "podinfo.fullname" . }} + labels: + app: {{ template "podinfo.name" . }} + chart: {{ template "podinfo.chart" . }} + release: {{ .Release.Name }} + heritage: {{ .Release.Service }} +spec: + type: {{ .Values.service.type }} + ports: + - port: {{ .Values.service.externalPort }} + targetPort: http + protocol: TCP + name: http + {{- if (and (eq .Values.service.type "NodePort") (not (empty .Values.service.nodePort))) }} + nodePort: {{ .Values.service.nodePort }} + {{- end }} + selector: + app: {{ template "podinfo.name" . }} + release: {{ .Release.Name }} diff --git a/chart/stable/podinfo/values.yaml b/chart/stable/podinfo/values.yaml new file mode 100644 index 0000000..16afee9 --- /dev/null +++ b/chart/stable/podinfo/values.yaml @@ -0,0 +1,45 @@ +# Default values for podinfo. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +replicaCount: 1 + +image: + repository: stefanprodan/podinfo + tag: 0.0.1 + pullPolicy: IfNotPresent + +service: + type: ClusterIP + externalPort: 9898 + containerPort: 9898 + nodePort: 31198 + +ingress: + enabled: false + annotations: {} + # kubernetes.io/ingress.class: nginx + # kubernetes.io/tls-acme: "true" + path: / + hosts: + - podinfo.local + tls: [] + # - secretName: chart-example-tls + # hosts: + # - chart-example.local + +resources: + limits: + cpu: 100m + memory: 128Mi + requests: + cpu: 1m + memory: 16Mi + +nodeSelector: {} + +tolerations: [] + +affinity: {} + +logLevel: 2