DRY up some functions in Auto-DevOps script

- DRY up setting deploy name

- DRY up application_secret_name

lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml

@@ -607,6 +607,9 @@ rollout 100%:
   #     A: dmFsdWUxCg==
   #     B: bXVsdGkgd29yZCB2YWx1ZQo=
   function create_application_secret() {
+    track="${1-stable}"
+    export APPLICATION_SECRET_NAME=$(application_secret_name "$track")
+
     bash -c '
       function k8s_prefixed_variables() {
         env | sed -n "s/^K8S_SECRET_\(.*\)$/\1/p"
@@ -619,10 +622,28 @@ rollout 100%:
     '
   }
 
+  function deploy_name() {
+    name="$CI_ENVIRONMENT_SLUG"
+    track="${1-stable}"
+
+    if [[ "$track" != "stable" ]]; then
+      name="$name-$track"
+    fi
+
+    echo $name
+  }
+
+  function application_secret_name() {
+    track="${1-stable}"
+    name=$(deploy_name "$track")
+
+    echo "${name}-secret"
+  }
+
   function deploy() {
     track="${1-stable}"
     percentage="${2:-100}"
-    name="$CI_ENVIRONMENT_SLUG"
+    name=$(deploy_name "$track")
 
     replicas="1"
     service_enabled="true"
@@ -631,7 +652,6 @@ rollout 100%:
     # if track is different than stable,
     # re-use all attached resources
     if [[ "$track" != "stable" ]]; then
-      name="$name-$track"
       service_enabled="false"
       postgres_enabled="false"
     fi
@@ -644,8 +664,7 @@ rollout 100%:
       secret_name=''
     fi
 
-    export APPLICATION_SECRET_NAME="${name}-secret"
-    create_application_secret
+    create_application_secret "$track"
 
     if [[ -n "$DB_INITIALIZE" && -z "$(helm ls -q "^$name$")" ]]; then
       echo "Deploying first release with database initialization..."
@@ -712,11 +731,7 @@ rollout 100%:
   function scale() {
     track="${1-stable}"
     percentage="${2-100}"
-    name="$CI_ENVIRONMENT_SLUG"
-
-    if [[ "$track" != "stable" ]]; then
-      name="$name-$track"
-    fi
+    name=$(deploy_name "$track")
 
     replicas=$(get_replicas "$track" "$percentage")
 
@@ -910,18 +925,14 @@ rollout 100%:
 
   function delete() {
     track="${1-stable}"
-    name="$CI_ENVIRONMENT_SLUG"
-
-    if [[ "$track" != "stable" ]]; then
-      name="$name-$track"
-    fi
+    name=$(deploy_name "$track")
 
     if [[ -n "$(helm ls -q "^$name$")" ]]; then
       helm delete --purge "$name"
     fi
 
-    application_secret_name="${name}-secret"
-    kubectl delete secret --ignore-not-found -n "$KUBE_NAMESPACE" "$application_secret_name"
+    secret_name=$(application_secret_name "$track")
+    kubectl delete secret --ignore-not-found -n "$KUBE_NAMESPACE" "$secret_name"
   }
 
 before_script: