Split up Server into Renderer/API for Staging

.github/workflows/deploy-main-to-staging-from-tagged-prs.yml

@@ -0,0 +1,79 @@
+name: Deploy Main to Staging From Tagged PRs
+on:
+  pull_request:
+    branches:
+      - main
+jobs:
+  build:
+    if: contains(github.event.pull_request.labels.*.name, 'deploy-staging')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          aws-access-key-id: ${{ secrets.CI_CD_AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.CI_CD_AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ secrets.AWS_DEFAULT_REGION }}
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@v2
+      - name: Get the SHA of the current branch/fork
+        shell: bash
+        run: |
+          echo "SHORT_SHA=$(git rev-parse --short HEAD)" >> "$GITHUB_ENV"
+      - name: Build and Push Sidekiq image
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          target: sidekiq
+          tags: |
+            ${{ steps.login-ecr.outputs.registry }}/wca-on-rails:sidekiq-staging
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            BUILD_TAG=${{ env.SHORT_SHA }}
+            WCA_LIVE_SITE=false
+            SHAKAPACKER_ASSET_HOST=https://assets-staging.worldcubeassociation.org
+      - name: Build and push Staging API Image
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          target: monolith-api
+          tags: |
+            ${{ steps.login-ecr.outputs.registry }}/wca-on-rails:staging-api
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            BUILD_TAG=${{ env.SHORT_SHA }}
+            WCA_LIVE_SITE=false
+            SHAKAPACKER_ASSET_HOST=https://assets-staging.worldcubeassociation.org
+      - name: Build and push Staging Image
+        id: build-staging
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          load: true
+          target: monolith
+          tags: |
+            ${{ steps.login-ecr.outputs.registry }}/wca-on-rails:staging
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            BUILD_TAG=${{ env.SHORT_SHA }}
+            WCA_LIVE_SITE=false
+            SHAKAPACKER_ASSET_HOST=https://assets-staging.worldcubeassociation.org
+
+        # We build assets in docker and copy it out so we don't have to install all the dependencies in the GH Action
+      - name: Copy assets out of the container and push to S3
+        run: |
+          id=$(docker create ${{steps.build-staging.outputs.imageid }})
+          docker cp $id:/rails/public/ ./assets
+          aws s3 sync ./assets s3://assets-staging.worldcubeassociation.org/assets/${{ env.SHORT_SHA }}
+        # There is no pipeline for staging so we manually force to update the image
+      - name: Deploy staging
+        run: |
+          aws ecs update-service --cluster wca-on-rails --service wca-on-rails-staging --force-new-deployment
+          aws ecs update-service --cluster wca-on-rails --service wca-on-rails-staging-API --force-new-deployment

.github/workflows/deploy-main-to-staging.yml

@@ -34,6 +34,19 @@ jobs:
             BUILD_TAG=${{ env.SHORT_SHA }}
             WCA_LIVE_SITE=false
             SHAKAPACKER_ASSET_HOST=https://assets-staging.worldcubeassociation.org
+      - name: Build and push Staging API Image
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          target: monolith-api
+          tags: |
+            ${{ steps.login-ecr.outputs.registry }}/wca-on-rails:staging-api
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            BUILD_TAG=${{ env.SHORT_SHA }}
+            WCA_LIVE_SITE=false
+            SHAKAPACKER_ASSET_HOST=https://assets-staging.worldcubeassociation.org
       - name: Build and push Staging Image
         id: build-staging
         uses: docker/build-push-action@v6
@@ -49,6 +62,7 @@ jobs:
             BUILD_TAG=${{ env.SHORT_SHA }}
             WCA_LIVE_SITE=false
             SHAKAPACKER_ASSET_HOST=https://assets-staging.worldcubeassociation.org
+
         # We build assets in docker and copy it out so we don't have to install all the dependencies in the GH Action
       - name: Copy assets out of the container and push to S3
         run: |
@@ -59,3 +73,4 @@ jobs:
       - name: Deploy staging
         run: |
           aws ecs update-service --cluster wca-on-rails --service wca-on-rails-staging --force-new-deployment
+          aws ecs update-service --cluster wca-on-rails --service wca-on-rails-staging-API --force-new-deployment

.github/workflows/staging-deployment-from-prs.yml

@@ -59,6 +59,20 @@ jobs:
             BUILD_TAG=${{ env.SHORT_SHA }}
             WCA_LIVE_SITE=false
             SHAKAPACKER_ASSET_HOST=https://assets-staging.worldcubeassociation.org
+      - name: Build and push Staging API Image if triggered
+        if: steps.trigger-deployment.outputs.triggered == 'true'
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          target: monolith-api
+          tags: |
+            ${{ steps.login-ecr.outputs.registry }}/wca-on-rails:staging-api
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            BUILD_TAG=${{ env.SHORT_SHA }}
+            WCA_LIVE_SITE=false
+            SHAKAPACKER_ASSET_HOST=https://assets-staging.worldcubeassociation.org
       - name: Build Rails if triggered
         if: steps.trigger-deployment.outputs.triggered == 'true'
         id: build-staging
@@ -87,3 +101,4 @@ jobs:
         if: steps.trigger-deployment.outputs.triggered == 'true'
         run: |
           aws ecs update-service --cluster wca-on-rails --service wca-on-rails-staging --force-new-deployment
+          aws ecs update-service --cluster wca-on-rails --service wca-on-rails-staging-API --force-new-deployment

Dockerfile

@@ -111,7 +111,15 @@ RUN fc-cache -f -v
 
 # Entrypoint prepares database and starts app on 0.0.0.0:3000 by default,
 # but can also take a rails command, like "console" or "runner" to start instead.
-ENV PIDFILE "/rails/pids/puma.pid"
+ENV PIDFILE="/rails/pids/puma.pid"
 
 ENTRYPOINT ["/rails/bin/docker-entrypoint"]
 CMD ["./bin/rails", "server"]
+
+FROM runtime AS monolith-api
+
+EXPOSE 3000
+
+USER rails:rails
+ENV API_ONLY="true"
+CMD ["./bin/rails", "server"]

app/controllers/api/v0/api_controller.rb

@@ -19,6 +19,10 @@ def me
     render json: { me: current_api_user }, private_attributes: doorkeeper_token.scopes
   end
 
+  def healthcheck
+    render json: { status: "ok", api_instance: EnvConfig.API_ONLY? }
+  end
+
   def auth_results
     if !current_user
       return render status: :unauthorized, json: { error: "Please log in" }
@@ -132,9 +136,6 @@ def scramble_program
     }
   end
 
-  def help
-  end
-
   def search(*models)
     query = params[:q]&.slice(0...SearchResultsController::SEARCH_QUERY_LIMIT)
 

app/controllers/api_errors_controller.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class ApiErrorsController < ApplicationController
+  skip_before_action :set_locale
+  skip_before_action :store_user_location!
+  def show
+    exception = request.env["action_dispatch.exception"]
+    status_code = ActionDispatch::ExceptionWrapper.new(request.env, exception).status_code
+    request_id = request.env["action_dispatch.request_id"]
+    render json: { error_code: status_code, request_id: request_id, contact_url: Rails.application.routes.url_helpers.contact_url(contactRecipient: 'wst', requestId: request_id) }, status: status_code
+  end
+end

app/controllers/application_controller.rb

@@ -8,7 +8,7 @@ class ApplicationController < ActionController::Base
 
   protect_from_forgery with: :exception
 
-  prepend_before_action :set_locale
+  prepend_before_action :set_locale, unless: :is_api_request?
   before_action :store_user_location!, if: :storable_location?
   before_action :add_new_relic_headers
   protected def add_new_relic_headers

app/controllers/static_pages_controller.rb

@@ -19,6 +19,9 @@ def score_tools
   def logo
   end
 
+  def api_help
+  end
+
   def robots
     respond_to :txt
   end

config/application.rb

@@ -64,7 +64,11 @@ class Application < Rails::Application
     end
 
     config.default_from_address = "[email protected]"
-    config.site_name = "World Cube Association"
+    config.site_name = if EnvConfig.API_ONLY?
+                         "World Cube Association API"
+                       else
+                         "World Cube Association"
+                       end
 
     config.middleware.insert_before 0, Rack::Cors, debug: false, logger: (-> { Rails.logger }) do
       allow do

config/environments/production.rb

@@ -138,8 +138,13 @@
 
   # Error pages for production
   config.exceptions_app = ->(env) {
-    ErrorsController.action(:show).call(env)
+    if EnvConfig.API_ONLY?
+      ApiErrorsController.action(:show).call(env)
+    else
+      ErrorsController.action(:show).call(env)
+    end
   }
+
   # Inserts middleware to perform automatic connection switching.
   # The `database_selector` hash is used to pass options to the DatabaseSelector
   # middleware. The `delay` is used to determine how long to wait after a write

config/routes.rb

@@ -202,6 +202,8 @@
 
   get 'robots' => 'static_pages#robots'
 
+  get 'help/api' => 'static_pages#api_help'
+
   get 'server-status' => 'server_status#index'
 
   get 'translations', to: redirect('translations/status', status: 302)
@@ -320,7 +322,7 @@
   end
 
   namespace :api do
-    get '/', to: redirect('/api/v0', status: 302)
+    get '/', to: redirect('/help/api', status: 302)
     namespace :internal do
       namespace :v1 do
         get '/users/:id/permissions' => 'permissions#index'
@@ -330,8 +332,9 @@
       end
     end
     namespace :v0 do
-      get '/' => 'api#help'
+      get '/', to: redirect('/help/api', status: 302)
       get '/me' => 'api#me'
+      get '/healthcheck' => 'api#healthcheck'
       get '/auth/results' => 'api#auth_results'
       get '/export/public' => 'api#export_public'
       get '/scramble-program' => 'api#scramble_program'

env_config.rb

@@ -91,6 +91,9 @@
 
   # For Asset Compilation
   optional :ASSETS_COMPILATION, :bool, false
+
+  # For API Only Server
+  optional :API_ONLY, :bool, false
 end
 
 # Require Asset Specific ENV variables

infra/wca_on_rails/shared/elb.tf

@@ -152,6 +152,30 @@ resource "aws_lb_target_group" "rails-staging" {
   }
 }
 
+resource "aws_lb_target_group" "rails-staging-api" {
+  name        = "wca-rails-staging-api"
+  port        = 3000
+  protocol    = "HTTP"
+  vpc_id      = aws_default_vpc.default.id
+  target_type = "ip"
+
+  deregistration_delay = 10
+  health_check {
+    interval            = 5
+    path                = "/api/v0/healthcheck"
+    port                = "traffic-port"
+    protocol            = "HTTP"
+    timeout             = 2
+    healthy_threshold   = 2
+    unhealthy_threshold = 5
+    matcher             = 200
+  }
+  tags = {
+    Name = var.name_prefix
+    Env = "staging"
+  }
+}
+
 resource "aws_lb_target_group" "mailcatcher-staging" {
   name        = "wca-staging-mailcatcher"
   port        = 1080
@@ -300,7 +324,7 @@ resource "aws_lb_listener_rule" "pma_forward_prod" {
 
 resource "aws_lb_listener_rule" "rails_forward_staging" {
   listener_arn = aws_lb_listener.https.arn
-  priority     = 2
+  priority     = 4
 
   action {
     type             = "forward"
@@ -314,6 +338,28 @@ resource "aws_lb_listener_rule" "rails_forward_staging" {
   }
 }
 
+resource "aws_lb_listener_rule" "rails_forward_staging_api" {
+  listener_arn = aws_lb_listener.https.arn
+  priority     = 2
+
+  action {
+    type             = "forward"
+    target_group_arn = aws_lb_target_group.rails-staging-api.arn
+  }
+
+  condition {
+    host_header {
+      values = ["staging.worldcubeassociation.org"]
+    }
+  }
+
+  condition {
+    path_pattern {
+      values = ["/api*"]
+    }
+  }
+}
+
 resource "aws_lb_listener_rule" "pma_forward_staging" {
   listener_arn = aws_lb_listener.https.arn
   priority     = 1
@@ -374,6 +420,10 @@ output "rails_staging"{
   value = aws_lb_target_group.rails-staging
 }
 
+output "rails_staging-api"{
+  value = aws_lb_target_group.rails-staging-api
+}
+
 output "pma_production"{
   value = aws_lb_target_group.auxiliary
 }