Add dispatch.yaml to route autojoin API requests to the autojoin serv…

…ice (#53)

* Add dispatch rules for custom domain
* Add production deployment for dispatch rules

cloudbuild.yaml

@@ -15,7 +15,7 @@ steps:
   - go test ./... -race
   - go test -v ./...
 
-# Deployment of APIs in sandbox & staging.
+# Deployment of API.
 - name: gcr.io/$PROJECT_ID/gcloud-jsonnet-cbif:1.1
   args:
   - sed -i -e 's/{{PROJECT_ID}}/$PROJECT_ID/g' app.yaml
@@ -24,3 +24,11 @@ steps:
   # After deploying the new service, deploy the openapi spec.
   - sed -i -e 's/{{PROJECT}}/$PROJECT_ID/' -e 's/{{DEPLOYMENT}}/$PROJECT_ID/' openapi.yaml
   - gcloud endpoints services deploy openapi.yaml
+
+# Deployment of dispatch for mlab-autojoin.
+# Routes requests to autojoin.measurementlab.net to the autojoin service.
+- name: gcr.io/$PROJECT_ID/gcloud-jsonnet-cbif:1.1
+  env:
+  - PROJECT_IN=mlab-autojoin
+  args:
+  - gcloud --project $PROJECT_ID app deploy dispatch.yaml

dispatch.yaml

@@ -0,0 +1,7 @@
+# A project may have up to 20 dispatch rules.
+# See also: https://cloud.google.com/appengine/docs/standard/go/reference/dispatch-yaml
+dispatch:
+# Route /autojoin/ requests to the autojoin service.
+- service: autojoin
+  url: "*/autojoin/*"
+# All other requests are routed to their default target.