NOISSUE - Update Kubernetes setup (#322)

* Add InfluxDB writer services setup to k8s

Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com>

* Remove commented NginX config

Signed-off-by: Dušan Borovčanin <dusan.borovcanin@mainflux.com>

docker/docker-compose.yml

@@ -24,7 +24,7 @@ services:
       - 8883:8883
 
   nats:
-    image: nats:1.0.2
+    image: nats:1.1.0
     container_name: mainflux-nats
     restart: on-failure
 

k8s/addons/influxdb/grafana.yml

@@ -0,0 +1,32 @@
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: mainflux-grafana
+  labels:
+    component: mainflux-grafana
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: mainflux-grafana
+    spec:
+      containers:
+      - name: mainflux-grafana
+        image: grafana/grafana:5.1.3
+        imagePullPolicy: Always
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mainflux-grafana
+  labels:
+    component: mainflux-grafana
+spec:
+  selector:
+    component: mainflux-grafana
+  ports:
+  - port: 3001
+    targetPort: 3000
+  type: LoadBalancer
+

k8s/addons/influxdb/influxdb.yml

@@ -0,0 +1,64 @@
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: mainflux-influxdb-data-disk
+  labels:
+    name: mainflux-influxdb-data-disk
+spec:
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: /tmp/data/influxdb-0
+  persistentVolumeReclaimPolicy: Recycle
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: mainflux-influxdb-data-claim
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Gi
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: mainflux-influxdb
+  labels:
+    name: mainflux-influxdb
+spec:
+  containers:
+    - name: mainflux-influxdb
+      image: influxdb:1.5.2-alpine
+      env:
+        - name: INFLUXDB_DB
+          value: "mainflux"
+        - name: INFLUXDB_ADMIN_USER
+          value: "mainflux"
+        - name: INFLUXDB_ADMIN_PASSWORD
+          value: "mainflux"
+      ports:
+        - containerPort: 8086
+      volumeMounts:
+        - mountPath: /var/lib/influxdb
+          name: mainflux-influxdb-data
+  volumes:
+    - name: mainflux-influxdb-data
+      persistentVolumeClaim:
+        claimName: mainflux-influxdb-data-claim
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mainflux-influxdb
+  labels:
+    name: mainflux-influxdb
+spec:
+  ports:
+    - port: 8086
+  selector:
+    name: mainflux-influxdb

k8s/addons/influxdb/writer.yml

@@ -0,0 +1,47 @@
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: influxdb-writer
+  labels:
+    component: influxdb-writer
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: influxdb-writer
+    spec:
+      containers:
+      - name: mainflux-influxdb
+        image: mainflux/influxdb:latest
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 8900
+        env:
+          - name: MF_NATS_URL
+            value: "nats://nats:4222"
+          - name: MF_INFLUX_WRITER_PORT
+            value: "8900"
+          - name: MF_INFLUX_WRITER_DB_NAME
+            value: "mainflux"
+          - name: MF_INFLUX_WRITER_DB_HOST
+            value: "mainflux-influxdb"
+          - name: MF_INFLUX_WRITER_DB_PORT
+            value: "8086"
+          - name: MF_INFLUX_WRITER_DB_USER
+            value: "mainflux"
+          - name: MF_INFLUX_WRITER_DB_PASS
+            value: "mainflux"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: influxdb-writer
+  labels:
+    component: influxdb-writer
+spec:
+  selector:
+    component: influxdb-writer
+  ports:
+  - port: 8900
+  type: LoadBalancer

k8s/nats/nats.yml

@@ -32,7 +32,7 @@ spec:
     spec:
       containers:
       - name: nats
-        image: nats:1.0.4
+        image: nats:1.1.0
         args: [ "--config", "/etc/nats/nats.conf"]
         volumeMounts:
           - name: config-volume