Merge pull request #8 from Financial-Times/helm-integration

Helm and Jenkins integration

.gitignore

@@ -1,5 +1,5 @@
 *.iml
 *.exe
 .idea
-content-rw-elasticsearch
+/content-rw-elasticsearch
 vendor/*/

Jenkinsfile

@@ -0,0 +1,3 @@
+@Library('k8s-pipeline-lib') _
+
+uppEntryPointForJenkinsfile()

helm/content-rw-elasticsearch/.helmignore

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+# 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

helm/content-rw-elasticsearch/Chart.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+description: content-rw-elasticsearch Helm chart for Kubernetes
+name: content-rw-elasticsearch
+version: 0.0.0  # this entry can be left untouched as it is automatically handled by Jenkins pipeline

helm/content-rw-elasticsearch/app-configs/content-rw-elasticsearch_delivery.yaml

@@ -0,0 +1,7 @@
+# Values used for the deployed application.
+replicaCount: 2
+service:
+  name: content-rw-elasticsearch
+env:
+  KAFKA_TOPIC: CombinedPostPublicationEvents
+  KAFKA_CONCURRENT_PROCESSING: true

helm/content-rw-elasticsearch/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 24 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 24 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+*/}}
+{{- define "fullname" -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 24 | trimSuffix "-" -}}
+{{- end -}}

helm/content-rw-elasticsearch/templates/deployment.yaml

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+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: {{ .Values.service.name }} 
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}" 
+    visualize: "true" 
+    app: {{ .Values.service.name }} 
+spec:
+  replicas: {{ .Values.replicaCount }} 
+  selector: 
+    matchLabels:
+      app: {{ .Values.service.name }}
+  template:
+    metadata:
+      labels:
+        app: {{ .Values.service.name }}
+        visualize: "true" 
+    spec:
+      containers: 
+      - name: {{ .Values.service.name }} 
+        image: "{{ .Values.image.repository }}:{{ .Chart.Version }}"
+        imagePullPolicy: {{ .Values.image.pullPolicy }}
+        env: 
+        - name: ELASTICSEARCH_SAPI_ENDPOINT 
+          valueFrom: 
+            configMapKeyRef: 
+              name: global-config 
+              key: aws.content.elasticsearch.endpoint
+        - name: KAFKA_CONSUMER_GROUP 
+          value: "k8s-{{ .Values.service.name }}" 
+        - name: KAFKA_TOPIC 
+          value: {{ .Values.env.KAFKA_TOPIC }}
+        - name: KAFKA_CONCURRENT_PROCESSING 
+          value: "{{ .Values.env.KAFKA_CONCURRENT_PROCESSING }}"
+        - name: KAFKA_PROXY_ADDR 
+          valueFrom: 
+            configMapKeyRef: 
+              name: global-config 
+              key: kafka.proxy.url.with.protocol
+        - name: AWS_ACCESS_KEY_ID
+          valueFrom:
+            secretKeyRef:
+              name: global-secrets
+              key: aws.access_key_id
+        - name: AWS_SECRET_ACCESS_KEY
+          valueFrom:
+            secretKeyRef:
+              name: global-secrets
+              key: aws.secret_access_key 
+        ports: 
+        - containerPort: 8080 
+        livenessProbe: 
+          tcpSocket: 
+            port: 8080 
+          initialDelaySeconds: 10 
+        readinessProbe: 
+          httpGet: 
+            path: "/__gtg" 
+            port: 8080 
+          initialDelaySeconds: 15 
+          periodSeconds: 30 
+        resources: 
+{{ toYaml .Values.resources | indent 12 }}
+

helm/content-rw-elasticsearch/templates/service.yaml

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+kind: Service
+apiVersion: v1
+metadata:
+  name: {{.Values.service.name}} 
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    app: {{.Values.service.name}}
+    visualize: "true" 
+    hasHealthcheck: "{{ .Values.service.hasHealthcheck }}" 
+spec:
+  ports: 
+    - port: 8080 
+#      name: # The name of this port within the service. Optional if only one port is defined on this service
+      targetPort: 8080 
+  selector: 
+    app: {{ .Values.service.name }} 

helm/content-rw-elasticsearch/values.yaml

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+# Default values for content-rw-elasticsearch.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+service:
+  name: "" # The name of the service, should be defined in the specific app-configs folder.
+  hasHealthcheck: "true"
+replicaCount: 2
+image:
+  repository: coco/content-rw-elasticsearch
+  pullPolicy: IfNotPresent
+resources:
+  limits:
+    memory: 256Mi
+env:
+  KAFKA_TOPIC: ""
+  KAFKA_CONCURRENT_PROCESSING: ""