VED-719: Add blue / green proxy release pipeline. (#850)

* VED-719: Add blue / green proxy release pipeline.

* VED-719: Switch to using a parameter for blue / green. Add test deploy to ref.

* VED-719: Fix validation errors.

* VED-719: Remove pipeline trigger. Remove test ref deploy.

* VED-719: Remove prod stage from automatic release pipeline.

Author: mfjarvis

azure/azure-prod-proxy-release-pipeline.yml

@@ -0,0 +1,44 @@
+name: "$(SourceBranchName)+$(BuildID)"
+
+trigger: none
+pr: none
+
+resources:
+  repositories:
+    - repository: common
+      type: github
+      name: NHSDigital/api-management-utils
+      ref: refs/heads/edge
+      endpoint: NHSDigital
+  pipelines:
+  - pipeline: build_pipeline
+    source: "Immunisation-Fhir-Api-Build"
+
+pool:
+  name: 'AWS-ECS'
+
+variables:
+  - template: project.yml
+
+parameters:
+  - name: sub_environment
+    displayName: Sub-Environment
+    type: string
+    default: blue
+    values:
+    - blue
+    - green
+
+extends:
+  template: azure/common/apigee-deployment.yml@common
+  parameters:
+    service_name: ${{ variables.service_name }}
+    short_service_name: ${{ variables.short_service_name }}
+    service_base_path: ${{ variables.service_base_path }}
+    prod_requires_approval: true
+    prod_producer_approval: true
+    apigee_deployments:
+      - environment: prod
+        depends_on: []
+        jinja_templates:
+          DOMAIN_ENDPOINT: https://${{ parameters.sub_environment }}.imms.prod.vds.platform.nhs.uk

azure/azure-release-pipeline.yml

@@ -72,10 +72,3 @@ extends:
             - template: ./templates/post-deploy.yml
               parameters:
                 aws_account_type: 'dev'
-      - environment: prod
-        depends_on:
-          - int
-          - ref
-        jinja_templates:
-          DOMAIN_ENDPOINT: https://blue.imms.prod.vds.platform.nhs.uk
-