add grafana and clickhouse deployment file

This PR is for adding deployment file and custom plugin for Grafana
configuration and setup for Clickhouse, which are the UI solution
and database solution for flow visibility long term architecture.

Signed-off-by: zyiou <[email protected]>

.github/workflows/build_grafana_plugin.yml

@@ -0,0 +1,30 @@
+name: Build, sign and upload grafana sankey plugin
+
+on:
+  release:
+    types:
+    - created
+jobs:
+  build-grafana-sankey-plugin:
+    runs-on: [ubuntu-latest]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build and sign plugin
+      env:
+        GRAFANA_API_KEY: ${{ secrets.GRAFANA_API_KEY}}
+        TAG: ${{ github.ref }}
+      run: |
+        cd ./plugins/grafana-sankey-plugin
+        yarn install --pure-lockfile
+        yarn build
+        npx @grafana/toolkit plugin:sign --rootUrls http://localhost:3000
+        zip grafana-sankey-plugin.zip dist -r
+    - name: Upload grafana-sankey-plugin zip
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ github.event.release.upload_url }}
+        asset_path: ./plugins/grafana-sankey-plugin/grafana-sankey-plugin.zip
+        asset_name: 'grafana-sankey-plugin.zip'
+        asset_content_type: application/zip

.gitignore

@@ -15,3 +15,7 @@ bin
 .idea/
 .vscode/
 vendor
+
+plugins/grafana-sankey-plugin/node_modules/
+plugins/grafana-sankey-plugin/dist/
+plugins/grafana-sankey-plugin/coverage/

build/yamls/flow-visibility/flow-visibility.yaml

@@ -0,0 +1,195 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  labels:
+    app: flow-visibility
+  name: flow-visibility
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    app: flow-visibility
+  name: flow-visibility
+  namespace: flow-visibility
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  labels:
+    app: flow-visibility
+  name: grafana-role
+  namespace: flow-visibility
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - services
+    verbs:
+      - get
+      - list
+      - watch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  labels:
+    app: flow-visibility
+  name: grafana-role-binding
+  namespace: flow-visibility
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: grafana-role
+subjects:
+  - kind: ServiceAccount
+    name: grafana
+---
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: grafana-storage
+provisioner: kubernetes.io/no-provisioner
+volumeBindingMode: WaitForFirstConsumer
+reclaimPolicy: Delete
+allowVolumeExpansion: True
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: grafana-pvc
+  namespace: flow-visibility
+spec:
+  storageClassName: grafana-storage
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: grafana-pv
+  namespace: flow-visibility
+spec:
+  storageClassName: grafana-storage
+  capacity:
+    storage: 2Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/data/grafana"
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: grafana-datasource
+  namespace: flow-visibility
+data:
+  datasource.yaml: |-
+    apiVersion: 1
+    datasources:
+      - name: ClickHouse
+        type: vertamedia-clickhouse-datasource
+        access: proxy
+        url: http://clickhouse-clickhouse.flow-visibility.svc:8123
+        editable: true
+        jsonData:
+          useYandexCloudAuthorization: true
+          xHeaderUser: clickhouse_operator
+          xHeaderKey: clickhouse_operator_password
+---
+apiVersion: clickhouse.altinity.com/v1
+kind: ClickHouseInstallation
+metadata:
+  name: clickhouse
+  namespace: flow-visibility
+spec:
+  configuration:
+    clusters:
+      - name: clickhouse
+        layout:
+          shardsCount: 1
+          replicasCount: 1
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: grafana
+  name: grafana
+  namespace: flow-visibility
+spec:
+  selector:
+    matchLabels:
+      app: grafana
+  template:
+    metadata:
+      labels:
+        app: grafana
+    spec:
+      securityContext:
+        fsGroup: 472
+        supplementalGroups:
+          - 0
+      containers:
+        - name: grafana
+          image: grafana/grafana:8.3.3
+          imagePullPolicy: IfNotPresent
+          env:
+            - name: GF_INSTALL_PLUGINS
+              value: "https://github.com/antrea-io/antrea/releases/download/v1.5.0/grafana-sankey-plugin;antreaflowvisibility-grafana-sankey-plugin,vertamedia-clickhouse-datasource"
+          ports:
+            - containerPort: 3000
+              name: http-grafana
+              protocol: TCP
+          readinessProbe:
+            failureThreshold: 3
+            httpGet:
+              path: /robots.txt
+              port: 3000
+              scheme: HTTP
+            initialDelaySeconds: 10
+            periodSeconds: 30
+            successThreshold: 1
+            timeoutSeconds: 2
+          livenessProbe:
+            failureThreshold: 3
+            initialDelaySeconds: 30
+            periodSeconds: 10
+            successThreshold: 1
+            tcpSocket:
+              port: 3000
+            timeoutSeconds: 1
+          resources:
+            requests:
+              cpu: 250m
+              memory: 750Mi
+          volumeMounts:
+            - mountPath: /data
+              name: grafana-pv
+            - mountPath: /etc/grafana/provisioning/datasources
+              name: grafana-datasources
+      volumes:
+        - name: grafana-pv
+          persistentVolumeClaim:
+            claimName: grafana-pvc
+        - name: grafana-datasources
+          configMap:
+            name: grafana-datasource
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: grafana
+  namespace: flow-visibility
+spec:
+  ports:
+    - port: 3000
+      protocol: TCP
+      targetPort: http-grafana
+  selector:
+    app: grafana
+  sessionAffinity: None
+  type: LoadBalancer

plugins/grafana-sankey-plugin/.prettierrc.js

@@ -0,0 +1,3 @@
+module.exports = {
+  ...require('@grafana/toolkit/src/config/prettier.plugin.config.json'),
+};

plugins/grafana-sankey-plugin/CHANGELOG.md

@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 (Unreleased)
+
+Initial release.