Merge pull request #14 from Financial-Times/kubernetes-changes

Helm & Jenkins integration

.gitignore

@@ -24,5 +24,7 @@ _testmain.go
 *.exe
 *.test
 *.prof
+
 public-people-api
-vendor/*/
+vendor/*/
+

Jenkinsfile

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

helm/public-people-api/.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

helm/public-people-api/Chart.yaml

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

helm/public-people-api/app-configs/public-people-api_delivery.yaml

@@ -0,0 +1,4 @@
+# Values used for the deployed application.
+replicaCount: 2
+service:
+  name: public-people-api

helm/public-people-api/templates/_helpers.tpl

@@ -0,0 +1,16 @@
+{{/* 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/public-people-api/templates/deployment.yaml

@@ -0,0 +1,55 @@
+##this is an example deployment.yaml that should be customized in order to meet the configuration for app k8s deployment
+
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: {{ .Values.service.name }} 
+  labels:
+    chart: "{{ .Chart.Name | trunc 63 }}"
+    chartVersion: "{{ .Chart.Version | trunc 63 }}" 
+    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: CACHE_DURATION
+          value: {{ .Values.cache_duration }}
+        - name: NEO_URL 
+          valueFrom: 
+            configMapKeyRef: 
+              name: global-config 
+              key: neo4j.read.only.url
+        - name: GRAPHITE_ADDRESS 
+          valueFrom: 
+            configMapKeyRef: 
+              name: global-config 
+              key: graphite.address
+        - name: GRAPHITE_PREFIX
+          value: coco.services.k8s.public-people-api 
+        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/public-people-api/templates/service.yaml

@@ -0,0 +1,19 @@
+##this is an example service.yaml that should be customized in order to meet the configuration for app service
+
+kind: Service
+apiVersion: v1
+metadata:
+  name: {{.Values.service.name}} 
+  labels:
+    chart: "{{ .Chart.Name | trunc 63 }}"
+    chartVersion: "{{ .Chart.Version | trunc 63 }}"
+    app: {{.Values.service.name}}
+    visualize: "true" 
+    hasHealthcheck: "{{ .Values.service.hasHealthcheck }}" 
+spec:
+  ports: 
+    - port: 8080 
+      name: "app"
+      targetPort: 8080 
+  selector: 
+    app: {{ .Values.service.name }} 

helm/public-people-api/values.yaml

@@ -0,0 +1,16 @@
+# Default values for public-people-api.
+# 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/public-people-api
+  pullPolicy: IfNotPresent
+cache_duration: 10m
+resources:
+ limits:
+   memory: 256Mi
+
+