diff --git a/deployment/rails/.helmignore b/deployment/rails/.helmignore new file mode 100644 index 0000000..f0c1319 --- /dev/null +++ b/deployment/rails/.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/deployment/rails/Chart.yaml b/deployment/rails/Chart.yaml new file mode 100644 index 0000000..55c21d9 --- /dev/null +++ b/deployment/rails/Chart.yaml @@ -0,0 +1,5 @@ +apiVersion: v1 +appVersion: "1.0" +description: A Helm chart for Kubernetes +name: rails +version: 0.1.0 diff --git a/deployment/rails/templates/NOTES.txt b/deployment/rails/templates/NOTES.txt new file mode 100644 index 0000000..0eca05d --- /dev/null +++ b/deployment/rails/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 {{ include "rails.fullname" . }}) + export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}") + echo http://$NODE_IP:$NODE_PORT +{{- else if contains "LoadBalancer" .Values.service.type }} + NOTE: It may take a few minutes for the LoadBalancer IP to be available. + You can watch the status of by running 'kubectl get svc -w {{ include "rails.fullname" . }}' + export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "rails.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={{ include "rails.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 8080:80 +{{- end }} diff --git a/deployment/rails/templates/_helpers.yml b/deployment/rails/templates/_helpers.yml new file mode 100644 index 0000000..e0be9e7 --- /dev/null +++ b/deployment/rails/templates/_helpers.yml @@ -0,0 +1,50 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Expand the name of the chart. +*/}} +{{- define "rails.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 "rails.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 "rails.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{- define "rails_container_env" }} +{{- $fullName := include "rails.fullname" . -}} +{{- range $secretName, $secretValue := .Values.env_secrets }} +- name: {{ $secretName | upper }} + valueFrom: + secretKeyRef: + name: {{ $fullName }}-env-secrets + key: {{ $secretName }} +{{- end}} +{{- range $envName, $envValue := .Values.env }} +- name: {{ $envName | upper }} + valueFrom: + configMapKeyRef: + name: {{ $fullName }}-env-variables + key: {{ $envName }} +{{- end }} +{{- end }} diff --git a/deployment/rails/templates/deployment.yaml b/deployment/rails/templates/deployment.yaml new file mode 100644 index 0000000..1bc0990 --- /dev/null +++ b/deployment/rails/templates/deployment.yaml @@ -0,0 +1,47 @@ +apiVersion: apps/v1beta2 +kind: Deployment +metadata: + name: {{ include "rails.fullname" . }} + labels: + app: {{ include "rails.name" . }} + chart: {{ include "rails.chart" . }} + release: {{ .Release.Name }} + heritage: {{ .Release.Service }} +spec: + replicas: {{ .Values.replicaCount }} + selector: + matchLabels: + app: {{ include "rails.name" . }} + release: {{ .Release.Name }} + template: + metadata: + labels: + app: {{ include "rails.name" . }} + release: {{ .Release.Name }} + spec: + containers: + - name: {{ .Chart.Name }} + image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}" + command: ["bundle"] + args: ["exec", "rails", "s", "-p", "80"] + imagePullPolicy: {{ .Values.image.pullPolicy }} + ports: + - name: http + containerPort: 80 + protocol: TCP + env: + {{- include "rails_container_env" . | indent 12}} + 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/deployment/rails/templates/env_secrets.yml b/deployment/rails/templates/env_secrets.yml new file mode 100644 index 0000000..a140b7d --- /dev/null +++ b/deployment/rails/templates/env_secrets.yml @@ -0,0 +1,10 @@ +{{- $fullName := include "rails.fullname" . -}} +apiVersion: v1 +kind: Secret +metadata: + name: {{ $fullName }}-env-secrets +type: Opaque +data: +{{- range $secretName, $secretValue := .Values.env_secrets }} + {{ $secretName }}: {{ $secretValue | b64enc }} +{{- end}} diff --git a/deployment/rails/templates/env_variables.yml b/deployment/rails/templates/env_variables.yml new file mode 100644 index 0000000..bbeca41 --- /dev/null +++ b/deployment/rails/templates/env_variables.yml @@ -0,0 +1,7 @@ +{{- $fullName := include "rails.fullname" . -}} +apiVersion: v1 +kind: ConfigMap +metadata: + name: {{ $fullName }}-env-variables +data: +{{ toYaml .Values.env | indent 2 }} diff --git a/deployment/rails/templates/ingress.yaml b/deployment/rails/templates/ingress.yaml new file mode 100644 index 0000000..a652f98 --- /dev/null +++ b/deployment/rails/templates/ingress.yaml @@ -0,0 +1,38 @@ +{{- if .Values.ingress.enabled -}} +{{- $fullName := include "rails.fullname" . -}} +{{- $ingressPath := .Values.ingress.path -}} +apiVersion: extensions/v1beta1 +kind: Ingress +metadata: + name: {{ $fullName }} + labels: + app: {{ include "rails.name" . }} + chart: {{ include "rails.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 }} + - {{ . | quote }} + {{- end }} + secretName: {{ .secretName }} + {{- end }} +{{- end }} + rules: + {{- range .Values.ingress.hosts }} + - host: {{ . | quote }} + http: + paths: + - path: {{ $ingressPath }} + backend: + serviceName: {{ $fullName }} + servicePort: http + {{- end }} +{{- end }} diff --git a/deployment/rails/templates/post-install-job.yml b/deployment/rails/templates/post-install-job.yml new file mode 100644 index 0000000..4a35f2c --- /dev/null +++ b/deployment/rails/templates/post-install-job.yml @@ -0,0 +1,18 @@ +apiVersion: batch/v1 +kind: Job +metadata: + name: "{{.Release.Name}}-post-install" + annotations: + "helm.sh/hook": post-install + "helm.sh/hook-delete-policy": hook-succeeded +spec: + template: + spec: + restartPolicy: Never + containers: + - name: post-install-job + image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}" + command: ["sh"] + args: ["-c", "bundle exec rake db:migrate 2>/dev/null || bundle exec rake db:setup"] + env: + {{- include "rails_container_env" . | indent 12}} diff --git a/deployment/rails/templates/post-upgrade-job.yml b/deployment/rails/templates/post-upgrade-job.yml new file mode 100644 index 0000000..e8ffa39 --- /dev/null +++ b/deployment/rails/templates/post-upgrade-job.yml @@ -0,0 +1,17 @@ +apiVersion: batch/v1 +kind: Job +metadata: + name: "{{.Release.Name}}-post-upgrade" + annotations: + "helm.sh/hook": post-upgrade + "helm.sh/hook-delete-policy": hook-succeeded +spec: + template: + spec: + restartPolicy: Never + containers: + - name: post-upgrade-job + image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}" + command: ["bundle", "exec", "rake", "db:migrate"] + env: + {{- include "rails_container_env" . | indent 12}} diff --git a/deployment/rails/templates/service.yaml b/deployment/rails/templates/service.yaml new file mode 100644 index 0000000..7cceb23 --- /dev/null +++ b/deployment/rails/templates/service.yaml @@ -0,0 +1,19 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ include "rails.fullname" . }} + labels: + app: {{ include "rails.name" . }} + chart: {{ include "rails.chart" . }} + release: {{ .Release.Name }} + heritage: {{ .Release.Service }} +spec: + type: {{ .Values.service.type }} + ports: + - port: {{ .Values.service.port }} + targetPort: http + protocol: TCP + name: http + selector: + app: {{ include "rails.name" . }} + release: {{ .Release.Name }} diff --git a/deployment/rails/values.yaml b/deployment/rails/values.yaml new file mode 100644 index 0000000..bd556ec --- /dev/null +++ b/deployment/rails/values.yaml @@ -0,0 +1,55 @@ +# Default values for rails. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +replicaCount: 1 + +image: + repository: eu.gcr.io/sandbox-206715/rails-example + tag: latest + pullPolicy: IfNotPresent + +nameOverride: "" +fullnameOverride: "" + +service: + type: ClusterIP + port: 80 + targetPort: 3000 + +ingress: + enabled: false + annotations: {} + # kubernetes.io/ingress.class: nginx + # kubernetes.io/tls-acme: "true" + path: / + hosts: + - chart-example.local + tls: [] + # - secretName: chart-example-tls + # hosts: + # - chart-example.local + +resources: {} + # We usually recommend not to specify default resources and to leave this as a conscious + # choice for the user. This also increases chances charts run on environments with little + # resources, such as Minikube. If you do want to specify resources, uncomment the following + # lines, adjust them as necessary, and remove the curly braces after 'resources:'. + # limits: + # cpu: 100m + # memory: 128Mi + # requests: + # cpu: 100m + # memory: 128Mi + +nodeSelector: {} + +tolerations: [] + +affinity: {} + +env_secrets: + db_password: 7pFEZORRHG + +env: + db_host: postgres-sandbox-postgresql