TB-58: k8s feature improvements

+FROM cassandra:3.9
+
+COPY ready-probe.sh /
+
+CMD ["cassandra", "-f"]
\ No newline at end of file

+VERSION=k8stest
+PROJECT=thingsboard
+APP=cassandra
+
+all: build
+
+build:
+	docker build --pull -t ${PROJECT}/${APP}:${VERSION} .
+
+push: build
+	docker push ${PROJECT}/${APP}:${VERSION}
+
+.PHONY: all build push
\ No newline at end of file

 apiVersion: v1
 kind: Service
 metadata:
+  name: cassandra-headless
   labels:
-    app: cassandra
-  name: cassandra
+    app: cassandra-headless
 spec:
-  clusterIP: None
   ports:
     - port: 9042
+      name: cql
+  clusterIP: None
   selector:
     app: cassandra
 ---
-apiVersion: storage.k8s.io/v1beta1
-kind: StorageClass
-metadata:
-  name: regular
-provisioner: kubernetes.io/gce-pd
-parameters:
-  type: pd-standard
----
 apiVersion: "apps/v1beta1"
 kind: StatefulSet
 metadata:
   name: cassandra
 spec:
-  serviceName: cassandra
+  serviceName: cassandra-headless
   replicas: 3
   template:
     metadata:
@@ -39,11 +32,11 @@ spec:
                   - key: "app"
                     operator: In
                     values:
-                    - cassandra
+                    - cassandra-headless
               topologyKey: "kubernetes.io/hostname"
       containers:
       - name: cassandra
-        image: gcr.io/google-samples/cassandra:v12
+        image: thingsboard/cassandra:k8stest
         imagePullPolicy: Always
         ports:
         - containerPort: 7000
@@ -77,7 +70,7 @@ spec:
           - name: HEAP_NEWSIZE
             value: 100M
           - name: CASSANDRA_SEEDS
-            value: "cassandra-0.cassandra.default.svc.cluster.local"
+            value: "cassandra-0.cassandra-headless.default.svc.cluster.local"
           - name: CASSANDRA_CLUSTER_NAME
             value: "K8Demo"
           - name: CASSANDRA_DC
@@ -102,22 +95,16 @@ spec:
             - /ready-probe.sh
           initialDelaySeconds: 15
           timeoutSeconds: 5
-        # These volume mounts are persistent. They are like inline claims,
-        # but not exactly because the names need to match exactly one of
-        # the stateful pod volumes.
         volumeMounts:
         - name: cassandra-data
-          mountPath: /cassandra_data
+          mountPath: /var/lib/cassandra/data
         - name: cassandra-commitlog
-          mountPath: /cassandra_commitlog
-  # These are converted to volume claims by the controller
-  # and mounted at the paths mentioned above.
-  # do not use these in production until ssd GCEPersistentDisk or other ssd pd
+          mountPath: /var/lib/cassandra/commitlog
   volumeClaimTemplates:
   - metadata:
       name: cassandra-data
       annotations:
-        volume.beta.kubernetes.io/storage-class: regular
+        volume.beta.kubernetes.io/storage-class: slow
     spec:
       accessModes: [ "ReadWriteOnce" ]
       resources:
@@ -126,7 +113,7 @@ spec:
   - metadata:
       name: cassandra-commitlog
       annotations:
-        volume.beta.kubernetes.io/storage-class: regular
+        volume.beta.kubernetes.io/storage-class: slow
     spec:
       accessModes: [ "ReadWriteOnce" ]
       resources:

 #!/bin/bash
-#
-# Copyright © 2016-2017 The Thingsboard Authors
+
+# Copyright 2016 The Kubernetes Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,16 +13,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-
-
-cp ../../application/target/thingsboard.deb thingsboard.deb
-
-docker build -t thingsboard/application:k8test .
-
-docker login
-
-docker push thingsboard/application:k8test
 
-# cleanup
-rm thingsboard.deb
\ No newline at end of file
+if [[ $(nodetool status | grep $POD_IP) == *"UN"* ]]; then
+  if [[ $DEBUG ]]; then
+    echo "UN";
+  fi
+  exit 0;
+else
+  if [[ $DEBUG ]]; then
+    echo "Not Up";
+  fi
+  exit 1;
+fi
\ No newline at end of file

+---
+apiVersion: storage.k8s.io/v1beta1
+kind: StorageClass
+metadata:
+  name: slow
+provisioner: kubernetes.io/gce-pd
+parameters:
+  type: pd-standard
+---
\ No newline at end of file

-#!/bin/bash
-#
-# Copyright © 2016-2017 The Thingsboard Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-
-command='docker-compose -f docker-compose.yml -f docker-compose.random.yml'
-
-echo "stopping images.."
-$command stop
-
-echo "removing stopped images.."
-$command rm -f
-
-echo "building images.."
-$command build
-
-echo "starting images..."
-$command up -d

-#!/bin/bash
-#
-# Copyright © 2016-2017 The Thingsboard Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-
-command='docker-compose -f docker-compose.yml -f docker-compose.static.yml'
-
-echo "stopping images.."
-$command stop
-
-echo "removing stopped images.."
-$command rm -f
-
-echo "building images.."
-$command build
-
-echo "starting cassandra, zookeeper, thingsboard-db-schema images..."
-$command up -d db zk thingsboard-db-schema

+VERSION=k8stest
+PROJECT=thingsboard
+APP=thingsboard-db-schema
+
+all: build
+
+build:
+	docker build --pull -t ${PROJECT}/${APP}:${VERSION} .
+
+push: build
+	docker push ${PROJECT}/${APP}:${VERSION}
+
+.PHONY: all build push
\ No newline at end of file

-#!/bin/bash
-#
-# Copyright © 2016-2017 The Thingsboard Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-
-cp ../../dao/src/main/resources/schema.cql schema.cql
-cp ../../dao/src/main/resources/demo-data.cql demo-data.cql
-cp ../../dao/src/main/resources/system-data.cql system-data.cql
-
-docker build -t thingsboard/thingsboard-db-schema:k8test .
-
-docker login
-
-docker push thingsboard/thingsboard-db-schema:k8test
-
-# cleanup
-rm schema.cql
-rm demo-data.cql
-rm system-data.cql
\ No newline at end of file

@@ -6,7 +6,7 @@ spec:
   containers:
   - name: tb-db-schema
     imagePullPolicy: Always
-    image: thingsboard/thingsboard-db-schema:k8test
+    image: thingsboard/thingsboard-db-schema:k8stest
     env:
     - name: SKIP_SCHEMA_CREATION
       value: "false"
@@ -15,7 +15,7 @@ spec:
     - name : SKIP_DEMO_DATA
       value: "false"
     - name : CASSANDRA_URL
-      value: "cassandra"
+      value: "cassandra-headless"
     command:
     - sh
     - -c

+VERSION=k8stest
+PROJECT=thingsboard
+APP=application
+
+all: build
+
+build:
+	docker build --pull -t ${PROJECT}/${APP}:${VERSION} .
+
+push: build
+	docker push ${PROJECT}/${APP}:${VERSION}
+
+.PHONY: all build push
\ No newline at end of file

@@ -8,13 +8,11 @@ metadata:
 spec:
   ports:
   - port: 8080
-    name: ui-port
+    name: ui
   - port: 1883
-    name: mqtt-port
+    name: mqtt
   - port: 5683
-    name: coap-port
-  - port: 9001
-    name: rpc-port
+    name: coap
   selector:
     app: tb
   type: LoadBalancer
@@ -27,14 +25,8 @@ metadata:
     app: tb-headless
 spec:
   ports:
-  - port: 8080
-    name: ui-port
-  - port: 1883
-    name: mqtt-port
-  - port: 5683
-    name: coap-port
   - port: 9001
-    name: rpc-port
+    name: rpc
   selector:
     app: tb
   clusterIP: None
@@ -56,7 +48,7 @@ metadata:
 data:
   zookeeper.enabled: "true"
   zookeeper.url: "zk-headless"
-  cassandra.url: "cassandra:9042"
+  cassandra.url: "cassandra-headless:9042"
 ---
 apiVersion: apps/v1beta1
 kind: StatefulSet
@@ -84,16 +76,23 @@ spec:
       containers:
       - name: tb
         imagePullPolicy: Always
-        image: thingsboard/application:k8test
+        image: thingsboard/application:k8stest
         ports:
         - containerPort: 8080
-          name: ui-port
+          name: ui
         - containerPort: 1883
-          name: mqtt-port
+          name: mqtt
         - containerPort: 5683
-          name: coap-port
+          name: coap
         - containerPort: 9001
-          name: rpc-port
+          name: rpc
+        resources:
+          limits:
+            cpu: "250m"
+            memory: "500Mi"
+          requests:
+           cpu: "250m"
+           memory: "500Mi"
         env:
         - name: ZOOKEEPER_ENABLED
           valueFrom:

-VERSION=k8test
+VERSION=k8stest
 PROJECT=thingsboard
+APP=zk
 
 all: build
 
 build:
-	docker build --pull -t ${PROJECT}/k8szk:${VERSION} .
+	docker build --pull -t ${PROJECT}/${APP}:${VERSION} .
 
 push: build
-	docker push ${PROJECT}/k8szk:${VERSION}
+	docker push ${PROJECT}/${APP}:${VERSION}
 
 .PHONY: all build push

@@ -86,7 +86,7 @@ function validate_env() {
 function create_config() {
 	rm -f $ZK_CONFIG_FILE
     echo "Creating ZooKeeper configuration"
-    echo "#This file was autogenerated by k8szk DO NOT EDIT" >> $ZK_CONFIG_FILE
+    echo "#This file was autogenerated by zk DO NOT EDIT" >> $ZK_CONFIG_FILE
 	echo "clientPort=$ZK_CLIENT_PORT" >> $ZK_CONFIG_FILE
     echo "dataDir=$ZK_DATA_DIR" >> $ZK_CONFIG_FILE
     echo "dataLogDir=$ZK_DATA_LOG_DIR" >> $ZK_CONFIG_FILE

@@ -20,6 +20,7 @@ metadata:
   name: zk-config
 data:
   ensemble: "zk-0;zk-1;zk-2"
+  replicas: "3"
   jvm.heap: "500m"
   tick: "2000"
   init: "10"
@@ -27,6 +28,9 @@ data:
   client.cnxns: "60"
   snap.retain: "3"
   purge.interval: "1"
+  client.port: "2181"
+  server.port: "2888"
+  election.port: "3888"
 ---
 apiVersion: policy/v1beta1
 kind: PodDisruptionBudget
@@ -63,9 +67,9 @@ spec:
                     - zk-headless
               topologyKey: "kubernetes.io/hostname"
       containers:
-      - name: k8szk
+      - name: zk
         imagePullPolicy: Always
-        image: thingsboard/k8szk:k8test
+        image: thingsboard/zk:k8stest
         resources:
           requests:
             memory: "500Mi"
@@ -84,48 +88,60 @@ spec:
               name: zk-config
               key: ensemble
         - name : ZK_REPLICAS
-          value: "3"
+          valueFrom:
+            configMapKeyRef:
+              name: zk-config
+              key: replicas
         - name : ZK_HEAP_SIZE
           valueFrom:
             configMapKeyRef:
-                name: zk-config
-                key: jvm.heap
+              name: zk-config
+              key: jvm.heap
         - name : ZK_TICK_TIME
           valueFrom:
             configMapKeyRef:
-                name: zk-config
-                key: tick
+              name: zk-config
+              key: tick
         - name : ZK_INIT_LIMIT
           valueFrom:
             configMapKeyRef:
-                name: zk-config
-                key: init
+              name: zk-config
+              key: init
         - name : ZK_SYNC_LIMIT
           valueFrom:
             configMapKeyRef:
-                name: zk-config
-                key: tick
+              name: zk-config
+              key: tick
         - name : ZK_MAX_CLIENT_CNXNS
           valueFrom:
             configMapKeyRef:
-                name: zk-config
-                key: client.cnxns
+              name: zk-config
+              key: client.cnxns
         - name: ZK_SNAP_RETAIN_COUNT
           valueFrom:
             configMapKeyRef:
-                name: zk-config
-                key: snap.retain
+              name: zk-config
+              key: snap.retain
         - name: ZK_PURGE_INTERVAL
           valueFrom:
             configMapKeyRef:
-                name: zk-config
-                key: purge.interval
+              name: zk-config
+              key: purge.interval
         - name: ZK_CLIENT_PORT
-          value: "2181"
+          valueFrom:
+            configMapKeyRef:
+              name: zk-config
+              key: client.port
         - name: ZK_SERVER_PORT
-          value: "2888"
+          valueFrom:
+            configMapKeyRef:
+              name: zk-config
+              key: server.port
         - name: ZK_ELECTION_PORT
-          value: "3888"
+          valueFrom:
+            configMapKeyRef:
+              name: zk-config
+              key: election.port
         command:
         - sh
         - -c
@@ -143,16 +159,16 @@ spec:
           initialDelaySeconds: 15
           timeoutSeconds: 5
         volumeMounts:
-        - name: datadir
+        - name: zkdatadir
           mountPath: /var/lib/zookeeper
       securityContext:
         runAsUser: 1000
         fsGroup: 1000
   volumeClaimTemplates:
   - metadata:
-      name: datadir
+      name: zkdatadir
       annotations:
-        volume.alpha.kubernetes.io/storage-class: anything
+        volume.beta.kubernetes.io/storage-class: slow
     spec:
       accessModes: [ "ReadWriteOnce" ]
       resources: