Kubernetes Deployment Based on Helm Charts¶

apiVersion: v1
kind: ConfigMap
metadata:
  name: wallarm-sidecar-nginx-conf
data:
  default: |
      server {
          listen 80 default_server;
          listen [::]:80 default_server ipv6only=on;
          server_name localhost;
          root /usr/share/nginx/html;
          index index.html index.htm;
          wallarm_mode {{ .Values.wallarm.mode | quote }};
          # wallarm_instance 1;
          set_real_ip_from 0.0.0.0/0;
          real_ip_header X-Forwarded-For;
          location / {
                  proxy_pass http://localhost:{{ .Values.wallarm.app_container_port }};
                  include proxy_params;
          }
      }

apiVersion: apps/v1
kind: Deployment
metadata:
  name: myapp
spec:
  selector:
    matchLabels:
      app: myapp
  template:
    metadata:
      labels:
        app: myapp
    spec:
      containers: 
      # Definition of your main app container
      - name: myapp 
        image: <Image>
        resources:
          limits:
            memory: "128Mi"
            cpu: "500m"
        ports:
        # Port on which the application container accepts incoming requests
        - containerPort: 8080 

apiVersion: apps/v1
kind: Deployment
metadata:
  annotations:
    # Wallarm element: annotation to update running pods after changing Wallarm ConfigMap
    checksum/config: '{{ include (print $.Template.BasePath "/wallarm-sidecar-configmap.yaml") . | sha256sum }}'
  name: myapp
spec:
  selector:
    matchLabels:
      app: myapp
  template:
    metadata:
      labels:
        app: myapp
    spec:
      containers:
        # Wallarm element: definition of Wallarm sidecar container
        - name: wallarm
          image: {{ .Values.wallarm.image.repository }}:{{ .Values.wallarm.image.tag }}
          imagePullPolicy: {{ .Values.wallarm.image.pullPolicy | quote }}
          env:
          - name: WALLARM_API_HOST
            value: {{ .Values.wallarm.wallarm_host_api | quote }}
          - name: DEPLOY_USER
            value: {{ .Values.wallarm.deploy_username | quote }}
          - name: DEPLOY_PASSWORD
            value: {{ .Values.wallarm.deploy_password | quote }}
          - name: DEPLOY_FORCE
            value: "true"
          - name: TARANTOOL_MEMORY_GB
            value: {{ .Values.wallarm.tarantool_memory_gb | quote }}
          ports:
          - name: http
            # Port on which the Wallarm sidecar container accepts requests
            # from the Service object
            containerPort: 80
          volumeMounts:
          - mountPath: /etc/nginx/sites-enabled
            readOnly: true
            name: wallarm-nginx-conf
        # Definition of your main app container
        - name: myapp
          image: <Image>
          resources:
            limits:
              memory: "128Mi"
              cpu: "500m"
          ports:
          # Port on which the application container accepts incoming requests
          - containerPort: 8080 
      volumes:
      # Wallarm element: definition of the wallarm-nginx-conf volume
      - name: wallarm-nginx-conf
        configMap:
          name: wallarm-sidecar-nginx-conf
          items:
            - key: default
              path: default

apiVersion: v1
kind: Service
metadata:
  name: myapp
spec:
  selector:
    app: myapp
  ports:
  - port: {{ .Values.service.port }}
    # Wallarm sidecar container port; 
    # the value must be identical to ports.containerPort
    # in definition of Wallarm sidecar container
    targetPort: 8080

...
  - port: {{ .Values.service.port }}
    # Wallarm sidecar container port; 
    # the value must be identical to ports.containerPort
    # in definition of Wallarm sidecar container
    targetPort: 80

wallarm:
  image:
     repository: wallarm/node
     tag: 3.0.0-2
     pullPolicy: Always
  # Wallarm API endpoint: 
  # "api.wallarm.com" for the EU cloud
  # "us1.api.wallarm.com" for the US cloud
  wallarm_host_api: "api.wallarm.com"
  # Username of the user with the Deploy role
  deploy_username: "username"
  # Password of the user with the Deploy role
  deploy_password: "password"
  # Port on which the container accepts incoming requests,
  # the value must be identical to ports.containerPort
  # in definition of your main app container
  app_container_port: 80
  # Request filtration mode:
  # "off" to disable request processing
  # "monitoring" to process but not block requests
  # "safe_blocking" to block malicious requests originated from greylisted IPs
  # "block" to process all requests and block the malicious ones
  mode: "block"
  # Amount of memory in GB for request analytics data,
  # recommended value is 75% of the total server memory
  tarantool_memory_gb: 2

helm lint

helm upgrade <RELEASE> <CHART>