feat(redis): change redis to statefulset

Author: duanhongyi

charts/redis/templates/logger-redis-secret-creds.yaml

@@ -7,9 +7,10 @@ metadata:
     heritage: drycc
   annotations:
     "helm.sh/hook": pre-install
-data: {{ if eq .Values.global.logger_redis_location "on-cluster"}}
-  password: {{ randAlphaNum 32 | b64enc }}{{ else if eq .Values.global.logger_redis_location "off-cluster"}}
-  db: {{ .Values.db | b64enc }}
+data: 
+  {{ if eq .Values.global.logger_redis_location "on-cluster"}}
+  password: {{ randAlphaNum 32 | b64enc }}
+  {{ else if eq .Values.global.logger_redis_location "off-cluster"}}
+  addrs: {{ .Values.addrs | b64enc }}
   password: {{ .Values.password | b64enc }}
-  host: {{ .Values.host | b64enc }}
-  port: {{ .Values.port | b64enc }}{{ end }}
+  {{ end }}

charts/redis/templates/logger-redis-deployment.yaml renamed to charts/redis/templates/logger-redis-statefulset.yaml

@@ -1,16 +1,15 @@
 {{- if eq .Values.global.logger_redis_location "on-cluster" }}
 apiVersion: apps/v1
-kind: Deployment
+kind: StatefulSet
 metadata:
   name: drycc-logger-redis
   labels:
     heritage: drycc
   annotations:
     component.drycc.cc/version: {{ .Values.docker_tag }}
 spec:
-  replicas: 1
-  strategy:
-    type: Recreate
+  serviceName: drycc-logger-redis
+  replicas: {{ .Values.replicas }}
   selector:
     matchLabels:
       app: drycc-logger-redis
@@ -33,8 +32,9 @@ spec:
             memory: {{.Values.limits_memory}}
 {{- end}}
 {{- end}}
+        command: ["/bin/boot", "--port", "{{.Values.port}}"]
         ports:
-        - containerPort: 6379
+        - containerPort: {{.Values.port}}
         volumeMounts:
         - name: logger-redis-creds
           mountPath: /var/run/secrets/drycc/redis/creds

charts/redis/templates/logger-redis-service.yaml renamed to charts/redis/templates/logger-redis-svc.yaml

@@ -4,10 +4,11 @@ kind: Service
 metadata:
   name: drycc-logger-redis
   labels:
-    heritage: helm
+    heritage: drycc
 spec:
+  clusterIP: None
   selector:
     app: drycc-logger-redis
   ports:
-  - port: 6379
+  - port: {{.Values.port}}
 {{- end }}

charts/redis/values.yaml

@@ -13,8 +13,10 @@ global:
   # - off-cluster: Run Redis outside the Kubernetes cluster (configure in loggerRedis section)
   logger_redis_location: "on-cluster"
 
-# Configure the following ONLY if using an off-cluster Redis instance for logger
-db: "0"
-host: "redis host"
-port: "redis port"
+# The following parameters are configured only when using an on-cluster Redis instance for logger
+replicas: 1
+port: "6379"
+
+# The following parameters are configured only when using an off-cluster Redis instance for logger
+addrs: "" # A list of clusters: "127.0.0.1:7001/1,127.0.0.2:7002/1"
 password: "redis password" # "" == no password

rootfs/bin/boot

@@ -13,4 +13,4 @@ if [ -e $REDIS_PASSWORD_FILE ]; then
     fi
 fi
 
-exec redis-server $REDIS_CONFIG_FILE
+exec redis-server $REDIS_CONFIG_FILE "$@"