Merge branch '1139-gitlab-smtp-secret' into 'master'

Resolve "BigBang support for GitLab SMTP Password Secret"

Closes #1139

See merge request platform-one/big-bang/bigbang!1567

chart/templates/gitlab/secret-smtp.yaml

+{{- if and .Values.addons.gitlab.smtp.password .Values.addons.gitlab.enabled }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: gitlab-smtp-password
+  namespace: gitlab
+type: Opaque
+data:
+  password: {{ .Values.addons.gitlab.smtp.password | b64enc }}
+{{- end }}

chart/templates/gitlab/values.yaml

@@ -320,11 +320,17 @@ global:
     {{- end }}
   {{- end }}
 
-{{- if and (ne .Values.addons.gitlab.redis.password "") (or .Values.addons.gitlab.enabled .Values.addons.gitlabRunner.enabled) }}
+  {{- if and (ne .Values.addons.gitlab.redis.password "") (or .Values.addons.gitlab.enabled .Values.addons.gitlabRunner.enabled) }}
   redis:  
     password:
       secret: "gitlab-redis-secret-bb"
-{{- end }}
+  {{- end }}
+
+  {{- if .Values.addons.gitlab.smtp.password }}
+  smtp:
+    password:
+      secret: "gitlab-smtp-password"
+  {{- end }}
 
 {{- if ne .Values.addons.gitlab.objectStorage.iamProfile "" }}
 use_iam_profile: true

chart/values.yaml

@@ -872,6 +872,11 @@ addons:
       # -- If using an AWS IAM profile, the accessKey and accessSecret values must be left as empty strings eg: ""
       iamProfile: ""
 
+    smtp:
+      # -- Passwords should be placed in an encrypted file. Example: environment-bb-secret.enc.yaml
+      # If a value is provided BigBang will create a k8s secret named gitlab-smtp-password in the gitlab namespace
+      password: ""
+
     redis:
       # -- Redis plain text password to connect to the redis server.  If empty (""), the gitlab charts will create the gitlab-redis-secret
       # with a random password.