feat: enable persistent storage in redis 8+ Lagoon images (#437)

Starting in uselagoon/redis-8, there is no longer a separate persistent image,
and an env var needs to be added to enable peristent storage.

uselagoon/lagoon-images#1296

Author: rocketeerbkw

internal/servicetypes/redis.go

@@ -79,6 +79,12 @@ var redisPersistent = ServiceType{
 	PrimaryContainer: ServiceContainer{
 		Name:      redis.PrimaryContainer.Name,
 		Container: redis.PrimaryContainer.Container,
+		EnvVars: []corev1.EnvVar{
+			{
+				Name:  "REDIS_FLAVOR",
+				Value: "persistent",
+			},
+		},
 	},
 	Volumes: ServiceVolume{
 		PersistentVolumeSize: "5Gi",

internal/templating/test-resources/deployment/result-redis-1.yaml

@@ -142,6 +142,8 @@ spec:
       automountServiceAccountToken: false
       containers:
       - env:
+        - name: REDIS_FLAVOR
+          value: persistent
         - name: LAGOON_GIT_SHA
           value: "0"
         - name: CRONJOBS

internal/testdata/complex/service-templates/test-complex-persistent-names/deployment-redis-persist.yaml

@@ -51,6 +51,8 @@ spec:
       automountServiceAccountToken: false
       containers:
       - env:
+        - name: REDIS_FLAVOR
+          value: persistent
         - name: LAGOON_GIT_SHA
           value: "0000000000000000000000000000000000000000"
         - name: CRONJOBS

internal/testdata/complex/service-templates/test-complex-persistent-names/deployment-redis-session.yaml

@@ -51,6 +51,8 @@ spec:
       automountServiceAccountToken: false
       containers:
       - env:
+        - name: REDIS_FLAVOR
+          value: persistent
         - name: LAGOON_GIT_SHA
           value: "0000000000000000000000000000000000000000"
         - name: CRONJOBS

internal/testdata/complex/service-templates/test-redis-persistent-k8upv2/deployment-redis.yaml

@@ -50,6 +50,8 @@ spec:
       automountServiceAccountToken: false
       containers:
       - env:
+        - name: REDIS_FLAVOR
+          value: persistent
         - name: LAGOON_GIT_SHA
           value: abcdefg123456
         - name: CRONJOBS