GRAD2-2841 - Institute - Update Redis cluster and related IaC to be p…

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bcgov · Jun 26, 2024 · 4c256bc · 4c256bc
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Showing 5 changed files with 53 additions and 27 deletions.
diff --git a/.github/workflows/create-redis-cluster-DEV.yml b/.github/workflows/create-redis-cluster-DEV.yml
@@ -29,8 +29,8 @@ jobs:
       - name: cleanup
         run : |
           echo "Cleaning up previous installation (if any)..."
-          oc delete all,rc,svc,dc,route,pvc,secret,configmap,sa,RoleBinding -l app=redis
-      - name: Deploy Redis
+          oc delete all,rc,svc,dc,route,pvc,secret,configmap,sa,RoleBinding -l app=redis-ha
+      - name: Deploy Redis pods
         run: |
           oc process -f redis/redis-ha.dc.yaml -p REPLICAS=${{ env.REPLICAS }} | oc apply -f -
       - name: Wait for Readiness
@@ -39,6 +39,8 @@ jobs:
           sleep "$((${{ env.REPLICAS }}*50))"
       - name: Create Cluster
         run: |
+          echo "Retrieve redis password..."
+          REDIS_PASSWORD=$(oc -o json get secret redis-ha | sed -n 's/.*"REDIS_PASSWORD": "\(.*\)",/\1/p' | base64 --decode)
           echo "Creating Cluster..."
-          oc exec -i redis-0 -- redis-cli --cluster create --cluster-replicas 1 $(oc get pods -l app=redis -o jsonpath='{range.items[*]}{.status.podIP}:6379 {end}') --cluster-yes
+          oc exec -i redis-ha-0 -- redis-cli --cluster create --cluster-replicas 1 $(oc get pods -l app=redis-ha -o jsonpath='{range.items[*]}{.status.podIP}:6379 {end}') --cluster-yes -a $REDIS_PASSWORD
           echo "Success!"
diff --git a/.github/workflows/create-redis-cluster-PROD.yml b/.github/workflows/create-redis-cluster-PROD.yml
@@ -29,8 +29,8 @@ jobs:
       - name: cleanup
         run : |
           echo "Cleaning up previous installation (if any)..."
-          oc delete all,rc,svc,dc,route,pvc,secret,configmap,sa,RoleBinding -l app=redis
-      - name: Deploy Redis
+          oc delete all,rc,svc,dc,route,pvc,secret,configmap,sa,RoleBinding -l app=redis-ha
+      - name: Deploy Redis pods
         run: |
           oc process -f redis/redis-ha.dc.yaml -p REPLICAS=${{ env.REPLICAS }} | oc apply -f -
       - name: Wait for Readiness
@@ -39,6 +39,8 @@ jobs:
           sleep "$((${{ env.REPLICAS }}*50))"
       - name: Create Cluster
         run: |
+          echo "Retrieve redis password..."
+          REDIS_PASSWORD=$(oc -o json get secret redis-ha | sed -n 's/.*"REDIS_PASSWORD": "\(.*\)",/\1/p' | base64 --decode)
           echo "Creating Cluster..."
-          oc exec -i redis-0 -- redis-cli --cluster create --cluster-replicas 1 $(oc get pods -l app=redis -o jsonpath='{range.items[*]}{.status.podIP}:6379 {end}') --cluster-yes
+          oc exec -i redis-ha-0 -- redis-cli --cluster create --cluster-replicas 1 $(oc get pods -l app=redis-ha -o jsonpath='{range.items[*]}{.status.podIP}:6379 {end}') --cluster-yes -a $REDIS_PASSWORD
           echo "Success!"
diff --git a/.github/workflows/create-redis-cluster-TEST.yml b/.github/workflows/create-redis-cluster-TEST.yml
@@ -29,8 +29,8 @@ jobs:
       - name: cleanup
         run : |
           echo "Cleaning up previous installation (if any)..."
-          oc delete all,rc,svc,dc,route,pvc,secret,configmap,sa,RoleBinding -l app=redis
-      - name: Deploy Redis
+          oc delete all,rc,svc,dc,route,pvc,secret,configmap,sa,RoleBinding -l app=redis-ha
+      - name: Deploy Redis pods
         run: |
           oc process -f redis/redis-ha.dc.yaml -p REPLICAS=${{ env.REPLICAS }} | oc apply -f -
       - name: Wait for Readiness
@@ -39,6 +39,8 @@ jobs:
           sleep "$((${{ env.REPLICAS }}*50))"
       - name: Create Cluster
         run: |
+          echo "Retrieve redis password..."
+          REDIS_PASSWORD=$(oc -o json get secret redis-ha | sed -n 's/.*"REDIS_PASSWORD": "\(.*\)",/\1/p' | base64 --decode)
           echo "Creating Cluster..."
-          oc exec -i redis-0 -- redis-cli --cluster create --cluster-replicas 1 $(oc get pods -l app=redis -o jsonpath='{range.items[*]}{.status.podIP}:6379 {end}') --cluster-yes
+          oc exec -i redis-ha-0 -- redis-cli --cluster create --cluster-replicas 1 $(oc get pods -l app=redis-ha -o jsonpath='{range.items[*]}{.status.podIP}:6379 {end}') --cluster-yes -a $REDIS_PASSWORD
           echo "Success!"
diff --git a/redis/README.md b/redis/README.md
@@ -11,14 +11,13 @@
 ###### Redis HA can be deployed by cloning this repository locally from Git
 
 - Clone the repository
-- Navigate to the `./redis` directory
 - Logon to Openshift using **oc** commandline tool
 - Switch to the correct project/namespace you're targeting
 
 ###### Delete previous installation if any
 - Run the following command for cleanup:
 ```
-oc delete -n <namespace-env> all,rc,svc,dc,route,pvc,secret,configmap,sa,RoleBinding -l app=redis
+oc delete -n <namespace-env> all,rc,svc,dc,route,pvc,secret,configmap,sa,RoleBinding -l app=redis-ha
 ```
 ###### Deploy Redis
 ```
@@ -29,5 +28,5 @@ oc process -f redis/redis-ha.dc.yaml -p REPLICAS=6 | oc apply -f -
 - Once all the pods are running, run the following command to initialize the cluster:
 
 ```
-oc exec -it redis-0 -- redis-cli --cluster create --cluster-replicas 1 $(oc get pods -l app=redis -o jsonpath='{range.items[*]}{.status.podIP}:6379 {end}') --cluster-yes
+oc exec -it redis-ha-0 -- redis-cli --cluster create --cluster-replicas 1 $(oc get pods -l app=redis-ha -o jsonpath='{range.items[*]}{.status.podIP}:6379 {end}') --cluster-yes -a <password>
 ```
diff --git a/redis/redis-ha.dc.yaml b/redis/redis-ha.dc.yaml
@@ -9,9 +9,9 @@ objects:
   - apiVersion: v1
     kind: ConfigMap
     metadata:
-      name: redis
+      name: redis-ha
       labels:
-        app: redis
+        app: redis-ha
     data:
       fix-ip.sh: |
         #!/bin/sh
@@ -25,20 +25,32 @@ objects:
           sed -i.bak -e "/myself/ s/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/${POD_IP}/" ${CLUSTER_CONFIG}
         fi
         exec "$@"
-      redis.conf: |+
+      redis.conf: |
         cluster-enabled yes
         cluster-require-full-coverage no
         cluster-node-timeout 15000
         cluster-config-file /data/nodes.conf
         cluster-migration-barrier 1
         appendonly yes
         protected-mode no
+        requirepass ${REDIS_PASSWORD}
+  - kind: Secret
+    apiVersion: v1
+    metadata:
+      name: redis-ha
+      labels:
+        app: redis-ha
+      annotations:
+        template.openshift.io/expose-password: "{.data['REDIS_PASSWORD']}"
+        as-copy-of: template.${NAME}-secret
+    stringData:
+      REDIS_PASSWORD: "${REDIS_PASSWORD}"
   - apiVersion: v1
     kind: Service
     metadata:
-      name: redis
+      name: redis-ha
       labels:
-        app: redis
+        app: redis-ha
     spec:
       ports:
         - port: 6379
@@ -49,28 +61,28 @@ objects:
           name: gossip
       clusterIP: None
       selector:
-        app: redis
+        app: redis-ha
   - apiVersion: apps/v1
     kind: StatefulSet
     metadata:
-      name: redis
+      name: redis-ha
       labels:
-        app: redis
+        app: redis-ha
     spec:
-      serviceName: redis
+      serviceName: redis-ha
       replicas: ${{REPLICAS}}
       selector:
         matchLabels:
-          app: redis
+          app: redis-ha
       template:
         metadata:
           labels:
-            app: redis
+            app: redis-ha
         spec:
           imagePullSecrets:
             - name: artifactory-creds
           containers:
-            - name: redis
+            - name: redis-ha
               image: artifacts.developer.gov.bc.ca/docker-remote/redis:7.0.8
               ports:
                 - containerPort: 6379
@@ -106,6 +118,9 @@ objects:
                 - name: data
                   mountPath: /data
                   readOnly: false
+              envFrom:
+                - secretRef:
+                    name: redis-ha
               resources:
                 requests:
                   cpu: "10m"
@@ -116,13 +131,13 @@ objects:
           volumes:
             - name: conf
               configMap:
-                name: redis
+                name: redis-ha
                 defaultMode: 0755
       volumeClaimTemplates:
         - metadata:
             name: data
             labels:
-              name: redis
+              name: redis-ha
           spec:
             accessModes: [ "ReadWriteOnce" ]
             resources:
@@ -132,4 +147,10 @@ parameters:
   - name: REPLICAS
     description: Number of Replicas for the Redis cluster
     required: true
-    value: "2"
+    value: "2"
+  - name: REDIS_PASSWORD
+    displayName: Redis Connection Password
+    description: Password for the Redis connection user.
+    generate: expression
+    from: '[a-zA-Z0-9]{16}'
+    required: true