Gitlab hostname improvements

Package Owner Merge Request

• Allow option for virtualservice configuration with istio hosts. Will enable IronBank to accomplish blue/green deployments.
• Helm templating for Gitlab hostnames. This was requested by PartyBus.

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/gitlab/-/merge_requests/57

Package Release

https://repo1.dso.mil/platform-one/big-bang/apps/developer-tools/gitlab/-/tags/4.12.9-bb.3

Closes #715 (closed)

chart/templates/gitlab/secret-sso.yaml

@@ -24,7 +24,7 @@ stringData:
         "client_options": {
           "identifier": "{{ .Values.addons.gitlab.sso.client_id | default .Values.sso.client_id }}",
           "secret": "{{ .Values.addons.gitlab.sso.client_secret | default .Values.sso.client_secret }}",
-          "redirect_uri": "https://{{ .Values.addons.gitlab.hostnames.gitlab }}/users/auth/openid_connect/callback",
+          "redirect_uri": "https://{{ .Values.addons.gitlab.hostnames.gitlab }}.{{ .Values.hostname }}/users/auth/openid_connect/callback",
           "end_session_endpoint": "https://{{ .Values.sso.oidc.host }}/auth/realms/{{ .Values.sso.oidc.realm }}/protocol/openid-connect/logout"
         }
       }