added nfs server for kubernetes

containers/zammad-nfs/Dockerfile

@@ -0,0 +1,22 @@
+FROM cpuguy83/nfs-server
+MAINTAINER Zanmmad <info@zammad.org>
+
+ENV NFS_DIR /mnt/zammad
+ENV TMPFS_SIZE 1G
+
+LABEL org.label-schema.build-date="$BUILD_DATE" \
+      org.label-schema.name="Zammad" \
+      org.label-schema.license="AGPL-3.0" \
+      org.label-schema.description="Docker container for Zammad - NFS Server Container for Kubernetes" \
+      org.label-schema.url="https://zammad.org" \
+      org.label-schema.vcs-url="https://github.com/zammad/zammad" \
+      org.label-schema.vcs-type="Git" \
+      org.label-schema.vendor="Zammad" \
+      org.label-schema.schema-version="1.2" \
+      org.label-schema.docker.cmd="sysctl -w vm.max_map_count=262144;docker-compose up"
+
+# docker init
+COPY containers/zammad-nfs/docker-entrypoint.sh /
+RUN chmod +x /docker-entrypoint.sh
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["zammad-nfs"]

containers/zammad-nfs/docker-entrypoint.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+if [ "$1" = 'zammad-nfs' ]; then
+  echo "create & mount tmpfs"
+  mkdir -p ${NFS_DIR}
+  chmod 777 ${NFS_DIR}
+  mount -t tmpfs -o size=${TMPFS_SIZE} none ${NFS_DIR}
+
+  echo "create nfs exports"
+  echo "# NFS Export for Zammad" > /etc/exports
+  echo "${NFS_DIR} *(rw,sync,no_subtree_check,fsid=0,no_root_squash)" >> /etc/exports
+
+  exec runsvdir /etc/sv
+fi

containers/zammad-postgresql/backup.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 function check_railsserver_available {
   # wait for zammad process coming up
   until (echo > /dev/tcp/zammad-railsserver/3000) &> /dev/null; do

containers/zammad/Dockerfile

@@ -23,7 +23,7 @@ LABEL org.label-schema.build-date="$BUILD_DATE" \
       org.label-schema.docker.cmd="sysctl -w vm.max_map_count=262144;docker-compose up"
 
 # install dependencies, GOSU & zammad
-RUN BUILD_DEPENDENCIES="git build-essential libffi-dev libpq5 libpq-dev rsync" \
+RUN BUILD_DEPENDENCIES="git build-essential libffi-dev libpq5 libpq-dev nfs-common rsync" \
     GOSU_DEPENDENCIES="ca-certificates wget" \
     set -ex \
 	  && apt-get update && apt-get install -y --force-yes --no-install-recommends ${BUILD_DEPENDENCIES} ${GOSU_DEPENDENCIES} && rm -rf /var/lib/apt/lists/* \
@@ -49,7 +49,7 @@ RUN BUILD_DEPENDENCIES="git build-essential libffi-dev libpq5 libpq-dev rsync" \
 
 # docker init
 COPY containers/zammad/docker-entrypoint.sh /
-RUN chown ${ZAMMAD_USER}:${ZAMMAD_USER} /docker-entrypoint.sh && chmod +x /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh
 ENTRYPOINT ["/docker-entrypoint.sh"]
 
 WORKDIR ${ZAMMAD_DIR}

containers/zammad/docker-entrypoint.sh

@@ -1,7 +1,26 @@
 #!/bin/bash
 
+set -o errexit
+set -o nounset
+set -o pipefail
+
+function check_railsserver_available {
+  # wait for zammad process coming up
+  until (echo > /dev/tcp/zammad-railsserver/3000) &> /dev/null; do
+    echo "backup waiting for zammads railsserver to be ready..."
+    sleep 2
+  done
+}
+
+function mount_nfs {
+  if [ -n "$(env|grep KUBERNETES)" ]; then
+    mount -t nfs4 zammad-nfs:/ /home/zammad/tmp
+  fi
+}
+
 # zammad-railsserver
 if [ "$1" = 'zammad-railsserver' ]; then
+
   # wait for postgres process coming up on zammad-postgresql
   until (echo > /dev/tcp/zammad-postgresql/5432) &> /dev/null; do
     echo "zammad railsserver waiting for postgresql server to be ready..."
@@ -11,13 +30,12 @@ if [ "$1" = 'zammad-railsserver' ]; then
   echo "railsserver can access postgresql server now..."
 
   rsync -a --delete --exclude 'storage/fs/*' ${ZAMMAD_TMP_DIR}/ ${ZAMMAD_DIR}
-
   cd ${ZAMMAD_DIR}
-
-  # update zammad
   gem update bundler
   bundle install
 
+  mount_nfs
+
   # db mirgrate
   bundle exec rake db:migrate &> /dev/null
 
@@ -48,14 +66,12 @@ fi
 
 # zammad-scheduler
 if [ "$1" = 'zammad-scheduler' ]; then
-  # wait for zammad process coming up
+  check_railsserver_available
-  until (echo > /dev/tcp/zammad-railsserver/3000) &> /dev/null; do
-    echo "scheduler waiting for zammads railsserver to be ready..."
-    sleep 2
-  done
 
   echo "scheduler can access raillsserver now..."
 
+  mount_nfs
+
   # start scheduler
   cd ${ZAMMAD_DIR}
   exec gosu ${ZAMMAD_USER}:${ZAMMAD_USER} bundle exec script/scheduler.rb run
@@ -64,14 +80,12 @@ fi
 
 # zammad-websocket
 if [ "$1" = 'zammad-websocket' ]; then
-  # wait for zammad process coming up
+  check_railsserver_available
-  until (echo > /dev/tcp/zammad-railsserver/3000) &> /dev/null; do
-    echo "websocket server waiting for zammads railsserver to be ready..."
-    sleep 5
-  done
 
   echo "websocket server can access raillsserver now..."
 
+  mount_nfs
+
   cd ${ZAMMAD_DIR}
   exec gosu ${ZAMMAD_USER}:${ZAMMAD_USER} bundle exec script/websocket-server.rb -b 0.0.0.0 start
 fi

docker-compose.yml

@@ -5,7 +5,7 @@ services:
   zammad-backup:
     depends_on:
       - zammad-railsserver
-    image: zammad/zammad-docker-compose:zammad-postgresql${VERSION}
+    image: monotek/zammad-docker-compose:zammad-postgresql${VERSION}
     labels:
       io.rancher.container.pull_image: always
     links:
@@ -18,7 +18,7 @@ services:
     command: zammad-backup
 
   zammad-elasticsearch:
-    image: zammad/zammad-docker-compose:zammad-elasticsearch${VERSION}
+    image: monotek/zammad-docker-compose:zammad-elasticsearch${VERSION}
     labels:
       io.rancher.container.pull_image: always
     restart: always
@@ -28,7 +28,7 @@ services:
   zammad-nginx:
     depends_on:
       - zammad-railsserver
-    image: zammad/zammad-docker-compose:zammad-nginx${VERSION}
+    image: monotek/zammad-docker-compose:zammad-nginx${VERSION}
     labels:
       io.rancher.container.pull_image: always
     links:
@@ -39,7 +39,7 @@ services:
       - data-zammad:/home/zammad
 
   zammad-postgresql:
-    image: zammad/zammad-docker-compose:zammad-postgresql${VERSION}
+    image: monotek/zammad-docker-compose:zammad-postgresql${VERSION}
     labels:
       io.rancher.container.pull_image: always
     restart: always
@@ -47,7 +47,7 @@ services:
   zammad-railsserver:
     depends_on:
       - zammad-postgresql
-    image: zammad/zammad-docker-compose:zammad${VERSION}
+    image: monotek/zammad-docker-compose:zammad${VERSION}
     labels:
       io.rancher.container.pull_image: always
     links:
@@ -61,7 +61,7 @@ services:
   zammad-scheduler:
     depends_on:
       - zammad-railsserver
-    image: zammad/zammad-docker-compose:zammad${VERSION}
+    image: monotek/zammad-docker-compose:zammad${VERSION}
     labels:
       io.rancher.container.pull_image: always
     links:
@@ -75,7 +75,7 @@ services:
   zammad-websocket:
     depends_on:
       - zammad-railsserver
-    image: zammad/zammad-docker-compose:zammad${VERSION}
+    image: monotek/zammad-docker-compose:zammad${VERSION}
     labels:
       io.rancher.container.pull_image: always
     links:

hooks/config

@@ -3,4 +3,4 @@
 # build hooks config
 #
 
-DOCKER_IMAGES="zammad zammad-elasticsearch zammad-nginx zammad-postgresql"
+DOCKER_IMAGES="zammad zammad-elasticsearch zammad-nfs zammad-nginx zammad-postgresql"

kubernetes/10_pvc.yaml

@@ -40,3 +40,4 @@ spec:
   resources:
     requests:
       storage: 10G
+     

kubernetes/50_statefulset_postgesql.yaml

@@ -22,11 +22,11 @@ spec:
           claimName: zammad-postgresql
       containers:
       - name: zammad-postgresql
-        image: zammad/zammad-docker-compose:zammad-postgresql
+        image: monotek/zammad-docker-compose:zammad-postgresql
         ports:
         - containerPort: 5432
           name: postgresql
         imagePullPolicy: Always
         volumeMounts:
         - mountPath: /var/lib/postgresql
-          name: zammad-postgresql
+          name: zammad-postgresql

kubernetes/51_statefulset_elasticsearch.yaml

@@ -25,10 +25,10 @@ spec:
         image: busybox
         command: ["sysctl", "-w", "vm.max_map_count=262144"]
         securityContext:
-          privileged: true                
+          privileged: true
       containers:
       - name: zammad-elasticsearch
-        image: zammad/zammad-docker-compose:zammad-elasticsearch
+        image: monotek/zammad-docker-compose:zammad-elasticsearch
         ports:
         - containerPort: 9200
           name: elasticsearch

kubernetes/52_statefulset_railsserver.yaml

@@ -22,12 +22,14 @@ spec:
           claimName: zammad-home
       containers:
       - name: zammad-railsserver
-        image: zammad/zammad-docker-compose:zammad-railsserver
+        image: monotek/zammad-docker-compose:zammad
         imagePullPolicy: Always
         args: ["zammad-railsserver"]
         ports:
         - containerPort: 3000
           name: railsserver
+        securityContext:
+          privileged: true
         volumeMounts:
         - mountPath: /home/zammad
-          name: zammad-home
+          name: zammad-home          

kubernetes/53_statefulset_websocket.yaml

@@ -22,12 +22,14 @@ spec:
           claimName: zammad-home
       containers:
       - name: zammad-websocket
-        image: zammad/zammad-docker-compose:zammad
+        image: monotek/zammad-docker-compose:zammad
         args: [ "zammad-websocket" ]
         ports:
         - containerPort: 6042
           name: websocket
         imagePullPolicy: Always
+        securityContext:
+          privileged: true
         volumeMounts:
         - mountPath: /home/zammad
-          name: zammad-home
+          name: zammad-home

kubernetes/54_statefulset_nginx.yaml

@@ -22,7 +22,7 @@ spec:
           claimName: zammad-home
       containers:
       - name: zammad-nginx
-        image: zammad/zammad-docker-compose:zammad-nginx
+        image: monotek/zammad-docker-compose:zammad-nginx
         ports:
         - containerPort: 80
           name: nginx
@@ -31,4 +31,4 @@ spec:
         imagePullPolicy: Always
         volumeMounts:
         - mountPath: /home/zammad
-          name: zammad-home
+          name: zammad-home

kubernetes/55_statefulset_scheduler.yaml

@@ -19,12 +19,14 @@ spec:
       volumes:
       - name: zammad-home
         persistentVolumeClaim:
-          claimName: zammad-home
+          claimName: zammad-home    
       containers:
       - name: zammad-scheduler
-        image: zammad/zammad-docker-compose:zammad
+        image: monotek/zammad-docker-compose:zammad
         args: [ "zammad-scheduler" ]
         imagePullPolicy: Always
+        securityContext:
+          privileged: true
         volumeMounts:
         - mountPath: /home/zammad
-          name: zammad-home
+          name: zammad-home

kubernetes/56_statefulset_nfs.yaml

@@ -0,0 +1,30 @@
+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: zammad-nfs
+  namespace: zammad
+  labels:
+    component: netfs
+    app: zammad
+spec:
+  serviceName: zammad-nfs
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: netfs
+        app: nfs
+    spec:
+      terminationGracePeriodSeconds: 10
+      containers:
+      - name: zammad-nfs
+        image: monotek/zammad-docker-compose:zammad-nfs
+        args: [ "zammad-nfs" ]
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 2049
+          name: nfsserver
+        - containerPort: 111
+          name: rpc
+        securityContext:
+          privileged: true

kubernetes/80_sv.yaml

@@ -82,4 +82,23 @@ spec:
   selector:
     component: nginx
     app: zammad
-  type: NodePort
+  type: NodePort
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: zammad-nfs
+  namespace: zammad
+  labels:
+    component: netfs
+    app: nfs
+spec:
+  ports:
+  - name: nfsserver
+    port: 2049
+  - name: rpc
+    port: 111
+  selector:
+    component: netfs
+    app: nfs
+  type: NodePort