add helm chart - closes #217

Signed-off-by: Marcin Fabrykowski git@fabrykowski.pl

chart/templates/_helpers.tpl

+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "chart.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 "chart.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 "chart.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "chart.labels" -}}
+helm.sh/chart: {{ include "chart.chart" . }}
+{{ include "chart.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "chart.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "chart.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "chart.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "chart.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

chart/templates/_helpers.tpl

+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "chart.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 "chart.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 "chart.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "chart.labels" -}}
+helm.sh/chart: {{ include "chart.chart" . }}
+{{ include "chart.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "chart.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "chart.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "chart.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "chart.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

chart/templates/deployment.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "chart.fullname" . }}
+  labels:
+    {{- include "chart.labels" . | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "chart.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "chart.selectorLabels" . | nindent 8 }}
+    spec:
+      containers:
+        - name: usersservice
+          image: "{{ .Values.image.name }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+            - name: LDAP_URI
+              value: {{ .Values.ldap.uri }}
+            - name: LDAP_BASE
+              value: {{ .Values.ldap.base }}
+            - name: LDAP_DN
+              value: {{ .Values.ldap.dn }}
+            - name: LDAP_PASSWORD
+{{- if .Values.ldap.password.password }}
+              value: "{{ .Values.ldap.password.password }}"
+{{- else }}
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Values.ldap.password.secret }}
+                  key: {{ .Values.ldap.password.key }}
+{{- end }}
+          ports:
+            - name: http
+              containerPort: 5000
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /users/
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /users/
+              port: http

chart/templates/service.yaml

+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "chart.fullname" . }}
+  labels:
+    {{- include "chart.labels" . | nindent 4 }}
+spec:
+  type: ClusterIP
+  ports:
+    - port: 5000
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "chart.selectorLabels" . | nindent 4 }}

chart/.helmignore

+# 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
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

chart/Chart.yaml

+apiVersion: v2
+name: usersservice
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.0.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+#appVersion: "1.16.0"

chart/values.yaml

+image:
+  name: registry.gitlab.exphost.pl/exphost-controller/usersservice
+  pullPolicy: Always
+  tag: v0.3.0
+ingress:
+  annotations:
+    cert-manager.io/cluster-issuer: acme-issuer
+ldap:
+  uri: "ldap://ldap.example.com"
+  base: "dc=example,dc=com"
+  dn: "cn=admin,dc=example,dc=com"
+  password:
+    #secret: password-secret
+    #key: password
+    password: pass123
+global:
+  domain: example.com

.gitlab-ci.yml

+include:
+  - https://gitlab.exphost.pl/exphost/exphost-helms/-/raw/master/common/gitlab-ci.yml
+
 stages:
   - prepare
   - tests
   - build
   - push
   - deploy_to_dev
+  - upload
 
 
 tests:
@@ -23,6 +27,13 @@ tests:
   cache:
     paths:
       - .cache/pip
+
+helm lint:
+  stage: tests
+  image: alpine/helm
+  script:
+    - helm lint chart
+
 .registry:
   before_script:
     - echo -n $CI_REGISTRY_PASSWORD | podman login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
@@ -71,11 +82,18 @@ push tag:
     - podman tag $CI_REGISTRY_IMAGE:dev $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
     - podman push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
 
-deploy_to_dev:
-  image: bitnami/kubectl
-  stage: deploy_to_dev 
-  script:
-    - kubectl -n tenant-exphost-controller rollout restart deployment tenant-exphost-controller-exphost-controller-usersservice
-    - kubectl -n tenant-exphost-controller rollout status deployment tenant-exphost-controller-exphost-controller-usersservice
-  environment:
-    name: dev
+#deploy_to_dev:
+#  image: bitnami/kubectl
+#  stage: deploy_to_dev
+#  script:
+#    - kubectl -n tenant-exphost-controller rollout restart deployment tenant-exphost-controller-exphost-controller-usersservice
+#    - kubectl -n tenant-exphost-controller rollout status deployment tenant-exphost-controller-exphost-controller-usersservice
+#  environment:
+#    name: dev
+
+upload:
+  extends: .upload
+  only:
+    refs:
+      - tags
+      - master