Integration test two apps

Use localhost for app_with_roles and 127.0.0.1 for app. Confirm we can
deploy both and the respond to requests. Ensure the proxy is removed
once both have been removed.

test/integration/broken_deploy_test.rb

@@ -9,7 +9,7 @@ class BrokenDeployTest < IntegrationTest
     kamal :deploy
 
     assert_app_is_up version: first_version
-    assert_container_running host: :vm3, name: "app-workers-#{first_version}"
+    assert_container_running host: :vm3, name: "app_with_roles-workers-#{first_version}"
 
     second_version = break_app
 
@@ -17,8 +17,8 @@ class BrokenDeployTest < IntegrationTest
 
     assert_failed_deploy output
     assert_app_is_up version: first_version
-    assert_container_running host: :vm3, name: "app-workers-#{first_version}"
-    assert_container_not_running host: :vm3, name: "app-workers-#{second_version}"
+    assert_container_running host: :vm3, name: "app_with_roles-workers-#{first_version}"
+    assert_container_not_running host: :vm3, name: "app_with_roles-workers-#{second_version}"
   end
 
   private

test/integration/docker/deployer/app/config/deploy.yml

@@ -23,7 +23,8 @@ asset_path: /usr/share/nginx/html/versions
 deploy_timeout: 2
 drain_timeout: 2
 readiness_delay: 0
-
+proxy:
+  host: 127.0.0.1
 registry:
   server: registry:4443
   username: root

test/integration/docker/deployer/app_with_roles/config/deploy.yml

@@ -1,5 +1,5 @@
-service: app
-image: app
+service: app_with_roles
+image: app_with_roles
 servers:
   web:
     hosts:
@@ -14,6 +14,7 @@ drain_timeout: 2
 readiness_delay: 0
 
 proxy:
+  host: localhost
   healthcheck:
     interval: 1
     timeout: 1

test/integration/docker/load_balancer/default.conf

@@ -8,6 +8,8 @@ server {
 
   location / {
     proxy_pass http://loadbalancer;
+    proxy_set_header Host $host;
+
     proxy_connect_timeout       10;
     proxy_send_timeout          10;
     proxy_read_timeout          10;

test/integration/integration_test.rb

@@ -50,8 +50,8 @@ class IntegrationTest < ActiveSupport::TestCase
       assert_equal "502", response.code
     end
 
-    def assert_app_is_up(version: nil)
-      response = app_response
+    def assert_app_is_up(version: nil, app: @app)
+      response = app_response(app: app)
       debug_response_code(response, "200")
       assert_equal "200", response.code
       assert_app_version(version, response) if version
@@ -69,8 +69,8 @@ class IntegrationTest < ActiveSupport::TestCase
       assert_equal up_times, up_count
     end
 
-    def app_response
-      Net::HTTP.get_response(URI.parse("http://localhost:12345/version"))
+    def app_response(app: @app)
+      Net::HTTP.get_response(URI.parse("http://#{app_host(app)}:12345/version"))
     end
 
     def update_app_rev
@@ -156,4 +156,23 @@ class IntegrationTest < ActiveSupport::TestCase
     def assert_directory_removed(directory)
       assert docker_compose("exec vm1 ls #{directory} | wc -l", capture: true).strip == "0"
     end
+
+    def assert_proxy_running
+      assert_container_running(host: "vm1", name: "kamal-proxy")
+    end
+
+    def assert_proxy_not_running
+      assert_container_not_running(host: "vm1", name: "kamal-proxy")
+    end
+
+    def app_host(app = @app)
+      case app
+      when "app"
+        "127.0.0.1"
+      when "app_with_roles"
+        "localhost"
+      else
+        raise "Unknown app: #{app}"
+      end
+    end
 end

test/integration/main_test.rb

@@ -46,13 +46,13 @@ class MainTest < IntegrationTest
 
     assert_app_is_up version: version
     assert_hooks_ran "pre-connect", "pre-build", "pre-deploy", "post-deploy"
-    assert_container_running host: :vm3, name: "app-workers-#{version}"
+    assert_container_running host: :vm3, name: "app_with_roles-workers-#{version}"
 
     second_version = update_app_rev
 
     kamal :redeploy
     assert_app_is_up version: second_version
-    assert_container_running host: :vm3, name: "app-workers-#{second_version}"
+    assert_container_running host: :vm3, name: "app_with_roles-workers-#{second_version}"
   end
 
   test "config" do
@@ -100,6 +100,29 @@ class MainTest < IntegrationTest
     assert_app_directory_removed
   end
 
+  test "two apps" do
+    @app = "app"
+    kamal :deploy
+    app1_version = latest_app_version
+
+    @app = "app_with_roles"
+    kamal :deploy
+    app2_version = latest_app_version
+
+    assert_app_is_up version: app1_version, app: "app"
+    assert_app_is_up version: app2_version, app: "app_with_roles"
+
+    @app = "app"
+    kamal :remove, "-y"
+    assert_app_directory_removed
+    assert_proxy_running
+
+    @app = "app_with_roles"
+    kamal :remove, "-y"
+    assert_app_directory_removed
+    assert_proxy_not_running
+  end
+
   private
     def assert_envs(version:)
       assert_env :CLEAR_TOKEN, "4321", version: version, vm: :vm1
@@ -115,21 +138,21 @@ class MainTest < IntegrationTest
     end
 
     def assert_env(key, value, vm:, version:)
-      assert_equal "#{key}=#{value}", docker_compose("exec #{vm} docker exec app-web-#{version} env | grep #{key}", capture: true)
+      assert_equal "#{key}=#{value}", docker_compose("exec #{vm} docker exec #{@app}-web-#{version} env | grep #{key}", capture: true)
     end
 
     def assert_no_env(key, vm:, version:)
       assert_raises(RuntimeError, /exit 1/) do
-        docker_compose("exec #{vm} docker exec app-web-#{version} env | grep #{key}", capture: true)
+        docker_compose("exec #{vm} docker exec #{@app}-web-#{version} env | grep #{key}", capture: true)
       end
     end
 
     def assert_accumulated_assets(*versions)
       versions.each do |version|
-        assert_equal "200", Net::HTTP.get_response(URI.parse("http://localhost:12345/versions/#{version}")).code
+        assert_equal "200", Net::HTTP.get_response(URI.parse("http://#{app_host}:12345/versions/#{version}")).code
       end
 
-      assert_equal "200", Net::HTTP.get_response(URI.parse("http://localhost:12345/versions/.hidden")).code
+      assert_equal "200", Net::HTTP.get_response(URI.parse("http://#{app_host}:12345/versions/.hidden")).code
     end
 
     def vm1_image_ids

test/integration/proxy_test.rb

@@ -49,17 +49,4 @@ class ProxyTest < IntegrationTest
     kamal :proxy, :remove
     assert_proxy_not_running
   end
-
-  private
-    def assert_proxy_running
-      assert_match /basecamp\/kamal-proxy:#{Kamal::Configuration::PROXY_MINIMUM_VERSION}   \"kamal-proxy run\"/, proxy_details
-    end
-
-    def assert_proxy_not_running
-      assert_no_match /basecamp\/kamal-proxy:#{Kamal::Configuration::PROXY_MINIMUM_VERSION}   \"kamal-proxy run\"/, proxy_details
-    end
-
-    def proxy_details
-      kamal :proxy, :details, capture: true
-    end
 end