Added kubernetes yaml files

kubernetes/00_namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: zammad

kubernetes/10_pvc.yaml

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+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: zammad-postgresql
+  namespace: zammad
+  annotations:
+    volume.beta.kubernetes.io/storage-class: standard
+spec:
+  accessModes:
+  - ReadWriteMany
+  resources:
+    requests:
+      storage: 10G
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: zammad-elasticsearch
+  namespace: zammad
+  annotations:
+    volume.beta.kubernetes.io/storage-class: standard
+spec:
+  accessModes:
+  - ReadWriteMany
+  resources:
+    requests:
+      storage: 10G
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: zammad-home
+  namespace: zammad
+  annotations:
+    volume.beta.kubernetes.io/storage-class: standard
+spec:
+  accessModes:
+  - ReadWriteMany
+  resources:
+    requests:
+      storage: 10G

kubernetes/50_statefulset_postgesql.yaml

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+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: zammad-postgresql
+  namespace: zammad
+  labels:
+    component: database
+    app: postgresql
+spec:
+  serviceName: zammad-postgresql
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: database
+        app: postgresql
+    spec:
+      terminationGracePeriodSeconds: 10
+      volumes:
+      - name: zammad-postgresql
+        persistentVolumeClaim:
+          claimName: zammad-postgresql
+      containers:
+      - name: zammad-postgresql
+        image: zammad/zammad-docker-compose:zammad-postgresql
+        ports:
+        - containerPort: 5432
+          name: postgresql
+        imagePullPolicy: Always
+        volumeMounts:
+        - mountPath: /var/lib/postgresql
+          name: zammad-postgresql

kubernetes/51_statefulset_elasticsearch.yaml

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+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: zammad-elasticsearch
+  namespace: zammad
+  labels:
+    component: database
+    app: elasticsearch
+spec:
+  serviceName: zammad-elasticsearch
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: searchindex
+        app: elasticsearch
+    spec:
+      terminationGracePeriodSeconds: 10
+      volumes:
+      - name: zammad-elasticsearch
+        persistentVolumeClaim:
+          claimName: zammad-elasticsearch
+      containers:
+      - name: zammad-elasticsearch
+        image: zammad/zammad-docker-compose:zammad-elasticsearch
+        ports:
+        - containerPort: 9200
+          name: elasticsearch
+        imagePullPolicy: Always
+        volumeMounts:
+        - mountPath: /usr/share/elasticsearch/data
+          name: zammad-elasticsearch

kubernetes/52_statefulset_railsserver.yaml

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+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: zammad-railsserver
+  namespace: zammad
+  labels:
+    component: railsserver
+    app: zammad
+spec:
+  serviceName: zammad-railsserver
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: railsserver
+        app: zammad
+    spec:
+      terminationGracePeriodSeconds: 10
+      volumes:
+      - name: zammad-home
+        persistentVolumeClaim:
+          claimName: zammad-home
+      containers:
+      - name: zammad-railsserver
+        image: zammad/zammad-docker-compose:zammad-railsserver
+        imagePullPolicy: Always
+        args: ["zammad-railsserver"]
+        ports:
+        - containerPort: 3000
+          name: railsserver
+        volumeMounts:
+        - mountPath: /home/zammad
+          name: zammad-home

kubernetes/53_statefulset_websocket.yaml

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+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: zammad-websocket
+  namespace: zammad
+  labels:
+    component: websocket
+    app: zammad
+spec:
+  serviceName: zammad-websocket
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: websocket
+        app: zammad
+    spec:
+      terminationGracePeriodSeconds: 10
+      volumes:
+      - name: zammad-home
+        persistentVolumeClaim:
+          claimName: zammad-home
+      containers:
+      - name: zammad-websocket
+        image: zammad/zammad-docker-compose:zammad
+        args: [ "zammad-websocket" ]
+        ports:
+        - containerPort: 6042
+          name: websocket
+        imagePullPolicy: Always
+        volumeMounts:
+        - mountPath: /home/zammad
+          name: zammad-home

kubernetes/54_statefulset_nginx.yaml

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+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: zammad-nginx
+  namespace: zammad
+  labels:
+    component: nginx
+    app: zammad
+spec:
+  serviceName: zammad-nginx
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: nginx
+        app: zammad
+    spec:
+      terminationGracePeriodSeconds: 10
+      volumes:
+      - name: zammad-home
+        persistentVolumeClaim:
+          claimName: zammad-home
+      containers:
+      - name: zammad-nginx
+        image: zammad/zammad-docker-compose:zammad-nginx
+        ports:
+        - containerPort: 80
+          name: nginx
+        imagePullPolicy: Always
+        volumeMounts:
+        - mountPath: /home/zammad
+          name: zammad-home

kubernetes/55_statefulset_scheduler.yaml

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+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: zammad-scheduler
+  namespace: zammad
+  labels:
+    component: scheduler
+    app: zammad
+spec:
+  serviceName: zammad-scheduler
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: scheduler
+        app: zammad
+    spec:
+      terminationGracePeriodSeconds: 10
+      volumes:
+      - name: zammad-home
+        persistentVolumeClaim:
+          claimName: zammad-home
+      containers:
+      - name: zammad-scheduler
+        image: zammad/zammad-docker-compose:zammad
+        args: [ "zammad-scheduler" ]
+        imagePullPolicy: Always
+        volumeMounts:
+        - mountPath: /home/zammad
+          name: zammad-home

kubernetes/80_sv.yaml

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+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: zammad-postgresql
+  namespace: zammad
+  labels:
+    component: database
+    app: postgresql
+spec:
+  ports:
+  - name: postgresql
+    port: 5432
+  selector:
+    component: database
+    app: postgresql
+  type: NodePort
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: zammad-elasticsearch
+  namespace: zammad
+  labels:
+    component: searchindex
+    app: elasticsearch
+spec:
+  ports:
+  - name: elasticsearch
+    port: 9200
+  selector:
+    component: searchindex
+    app: elasticsearch
+  type: NodePort
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: zammad-railsserver
+  namespace: zammad
+  labels:
+    component: railsserver
+    app: zammad
+spec:
+  ports:
+  - name: railsserver
+    port: 3000
+  selector:
+    component: railsserver
+    app: zammad
+  type: NodePort
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: zammad-websocket
+  namespace: zammad
+  labels:
+    component: websocket
+    app: zammad
+spec:
+  ports:
+  - name: websocket
+    port: 6042
+  selector:
+    component: websocket
+    app: zammad
+  type: NodePort
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: zammad-nginx
+  namespace: zammad
+  labels:
+    component: nginx
+    app: zammad
+spec:
+  ports:
+  - name: nginx
+    port: 80
+  selector:
+    component: nginx
+    app: zammad
+  type: NodePort

kubernetes/90_ingress.yaml

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+kind: Ingress
+apiVersion: extensions/v1beta1
+metadata:
+  name: zammad.example.com
+  namespace: zammad
+  labels:
+    component: website
+    app: zammad
+    host: zammad.example.com
+  annotations:
+    ingress.kubernetes.io/ssl-redirect: 'true'
+    kubernetes.io/tls-acme: 'true'
+spec:
+  tls:
+    - hosts:
+      - zammad.example.com
+      secretName: zammad-example-com-tls
+  rules:
+    - host: zammad.example.com
+      http:
+        paths:
+          - path: /
+            backend:
+              serviceName: zammad-nginx
+              servicePort: 80

kubernetes/Readme.md

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+# Zammad kubernetes example deployment
+
+## Perquisites
+
+- On every node you need to set `sysctl -w vm.max_map_count=262144`
+- Change the ingress to your needs.
+- Hit `kubectl apply -f ./` and wait till everything is setup.