feat(upgrade-responder): setup dev environment

ref: 5235 Signed-off-by: Chin-Ya Huang <chin-ya.huang@suse.com>
longhorn · May 11, 2023 · 13bf7b6 · 13bf7b6
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diff --git a/dev/upgrade-responder/README.md b/dev/upgrade-responder/README.md
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+## Overview
+
+### Install
+
+1. Install Longhorn.
+1. Install Longhorn [upgrade-responder](https://github.com/longhorn/upgrade-responder) stack.
+   ```bash
+   ./install.sh 
+   ```
+   Sample output:
+   ```shell
+   secret/influxdb-creds created
+   persistentvolumeclaim/influxdb created
+   deployment.apps/influxdb created
+   service/influxdb created
+   Deployment influxdb is running.
+   Cloning into 'upgrade-responder'...
+   remote: Enumerating objects: 1077, done.
+   remote: Counting objects: 100% (1076/1076), done.
+   remote: Compressing objects: 100% (454/454), done.
+   remote: Total 1077 (delta 573), reused 1049 (delta 565), pack-reused 1
+   Receiving objects: 100% (1077/1077), 55.01 MiB | 18.10 MiB/s, done.
+   Resolving deltas: 100% (573/573), done.
+   Release "longhorn-upgrade-responder" does not exist. Installing it now.
+   NAME: longhorn-upgrade-responder
+   LAST DEPLOYED: Thu May 11 00:42:44 2023
+   NAMESPACE: default
+   STATUS: deployed
+   REVISION: 1
+   TEST SUITE: None
+   NOTES:
+   1. Get the Upgrade Responder server URL by running these commands:
+     export POD_NAME=$(kubectl get pods --namespace default -l "app.kubernetes.io/name=upgrade-responder,app.kubernetes.io/instance=longhorn-upgrade-responder" -o jsonpath="{.items[0].metadata.name}")
+     kubectl port-forward $POD_NAME 8080:8314 --namespace default
+     echo "Upgrade Responder server URL is http://127.0.0.1:8080"
+   Deployment longhorn-upgrade-responder is running.
+   persistentvolumeclaim/grafana-pvc created
+   deployment.apps/grafana created
+   service/grafana created
+   Deployment grafana is running.
+
+   [Upgrade Checker]
+   URL       : http://longhorn-upgrade-responder.default.svc.cluster.local:8314/v1/checkupgrade
+
+   [InfluxDB]
+   URL       : http://influxdb.default.svc.cluster.local:8086
+   Database  : longhorn_upgrade_responder
+   Username  : root
+   Password  : root
+
+   [Grafana]
+   Dashboard : http://1.2.3.4:30864
+   Username  : admin
+   Password  : admin
+   ```
diff --git a/dev/upgrade-responder/install.sh b/dev/upgrade-responder/install.sh
@@ -0,0 +1,97 @@
+#!/bin/bash
+
+UPGRADE_RESPONDER_REPO="https://github.com/longhorn/upgrade-responder.git"
+UPGRADE_RESPONDER_VALUE_YAML="upgrade-responder-value.yaml"
+UPGRADE_RESPONDER_IMAGE_REPO="longhornio/upgrade-responder"
+UPGRADE_RESPONDER_IMAGE_TAG="master-head"
+
+INFLUXDB_URL="http://influxdb.default.svc.cluster.local:8086"
+
+APP_NAME="longhorn"
+
+DEPLOYMENT_TIMEOUT_SEC=300
+DEPLOYMENT_WAIT_INTERVAL_SEC=5
+
+temp_dir=$(mktemp -d)
+trap 'rm -r "${temp_dir}"' EXIT
+
+cp -a ./* ${temp_dir}
+cd ${temp_dir}
+
+wait_for_deployment() {
+  local deployment_name="$1"
+  local start_time=$(date +%s)
+
+  while true; do
+    status=$(kubectl rollout status deployment/${deployment_name})
+    if [[ ${status} == *"successfully rolled out"* ]]; then
+      echo "Deployment ${deployment_name} is running."
+      break
+    fi
+
+    elapsed_secs=$(($(date +%s) - ${start_time}))
+    if [[ ${elapsed_secs} -ge ${timeout_secs} ]]; then
+      echo "Timed out waiting for deployment ${deployment_name} to be running."
+      exit 1
+    fi
+
+    echo "Deployment ${deployment_name} is not running yet. Waiting..."
+    sleep ${DEPLOYMENT_WAIT_INTERVAL_SEC}
+  done
+}
+
+install_influxdb() {
+    kubectl apply -f ./manifests/influxdb.yaml
+    wait_for_deployment "influxdb"
+}
+
+install_grafana() {
+    kubectl apply -f ./manifests/grafana.yaml
+    wait_for_deployment "grafana"
+}
+
+install_upgrade_responder() {
+    cat << EOF > ${UPGRADE_RESPONDER_VALUE_YAML}
+applicationName: ${APP_NAME}
+secret:
+  name: upgrade-responder-secrets
+  managed: true
+  influxDBUrl: "${INFLUXDB_URL}"
+  influxDBUser: "root"
+  influxDBPassword: "root"
+image:
+  repository: ${UPGRADE_RESPONDER_IMAGE_REPO}
+  tag: ${UPGRADE_RESPONDER_IMAGE_TAG}
+EOF
+
+    git clone ${UPGRADE_RESPONDER_REPO}
+    helm upgrade --install ${APP_NAME}-upgrade-responder upgrade-responder/chart -f ${UPGRADE_RESPONDER_VALUE_YAML}
+    wait_for_deployment "${APP_NAME}-upgrade-responder"
+}
+
+output() {
+    local upgrade_responder_service_info=$(kubectl get svc/${APP_NAME}-upgrade-responder --no-headers)
+    local upgrade_responder_service_port=$(echo "${upgrade_responder_service_info}" | awk '{print $5}' | cut -d'/' -f1)
+    echo  # a blank line to separate the installation outputs for better readability.
+    printf "[Upgrade Checker]\n"
+    printf "%-10s: http://${APP_NAME}-upgrade-responder.default.svc.cluster.local:${upgrade_responder_service_port}/v1/checkupgrade\n\n" "URL"
+
+    printf "[InfluxDB]\n"
+    printf "%-10s: ${INFLUXDB_URL}\n" "URL"
+    printf "%-10s: ${APP_NAME}_upgrade_responder\n" "Database"
+    printf "%-10s: root\n" "Username"
+    printf "%-10s: root\n\n" "Password"
+
+    local public_ip=$(curl -s https://ifconfig.me/ip)
+    local grafana_service_info=$(kubectl get svc/grafana --no-headers)
+    local grafana_service_port=$(echo "${grafana_service_info}" | awk '{print $5}' | cut -d':' -f2 | cut -d'/' -f1)
+    printf "[Grafana]\n"
+    printf "%-10s: http://${public_ip}:${grafana_service_port}\n" "Dashboard"
+    printf "%-10s: admin\n" "Username"
+    printf "%-10s: admin\n" "Password"
+}
+
+install_influxdb
+install_upgrade_responder
+install_grafana
+output
diff --git a/dev/upgrade-responder/manifests/grafana.yaml b/dev/upgrade-responder/manifests/grafana.yaml
@@ -0,0 +1,86 @@
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: grafana-pvc
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: longhorn
+  resources:
+    requests:
+      storage: 2Gi
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: grafana
+  name: grafana
+spec:
+  selector:
+    matchLabels:
+      app: grafana
+  template:
+    metadata:
+      labels:
+        app: grafana
+    spec:
+      securityContext:
+        fsGroup: 472
+        supplementalGroups:
+          - 0
+      containers:
+        - name: grafana
+          image: grafana/grafana:7.1.0
+          imagePullPolicy: IfNotPresent
+          env:
+          - name: GF_INSTALL_PLUGINS
+            value: "grafana-worldmap-panel"
+          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: /var/lib/grafana
+              name: grafana-pv
+      volumes:
+        - name: grafana-pv
+          persistentVolumeClaim:
+            claimName: grafana-pvc
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: grafana
+spec:
+  ports:
+    - port: 3000
+      protocol: TCP
+      targetPort: http-grafana
+  selector:
+    app: grafana
+  sessionAffinity: None
+  type: LoadBalancer
diff --git a/dev/upgrade-responder/manifests/influxdb.yaml b/dev/upgrade-responder/manifests/influxdb.yaml
@@ -0,0 +1,90 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: influxdb-creds
+  namespace: default
+type: Opaque
+data:
+  INFLUXDB_HOST: aW5mbHV4ZGI=  # influxdb
+  INFLUXDB_PASSWORD: cm9vdA==  # root
+  INFLUXDB_USERNAME: cm9vdA==  # root
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: influxdb
+  namespace: default
+  labels:
+    app: influxdb
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: longhorn
+  resources:
+    requests:
+      storage: 2Gi
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: influxdb
+  name: influxdb
+  namespace: default
+spec:
+  progressDeadlineSeconds: 600
+  replicas: 1
+  revisionHistoryLimit: 10
+  selector:
+    matchLabels:
+      app: influxdb
+  strategy:
+    rollingUpdate:
+      maxSurge: 25%
+      maxUnavailable: 25%
+    type: RollingUpdate
+  template:
+    metadata:
+      creationTimestamp: null
+      labels:
+        app: influxdb
+    spec:
+      containers:
+      - image: docker.io/influxdb:1.8.10
+        imagePullPolicy: IfNotPresent
+        name: influxdb
+        resources: {}
+        terminationMessagePath: /dev/termination-log
+        terminationMessagePolicy: File
+        envFrom:
+        - secretRef:
+            name: influxdb-creds
+        volumeMounts:
+        - mountPath: /var/lib/influxdb
+          name: var-lib-influxdb
+      volumes:
+      - name: var-lib-influxdb
+        persistentVolumeClaim:
+          claimName: influxdb
+      dnsPolicy: ClusterFirst
+      restartPolicy: Always
+      schedulerName: default-scheduler
+      securityContext: {}
+      terminationGracePeriodSeconds: 30
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: influxdb
+  name: influxdb
+  namespace: default
+spec:
+  ports:
+  - port: 8086
+    protocol: TCP
+    targetPort: 8086
+  selector:
+    app: influxdb
+  sessionAffinity: None
+  type: ClusterIP