Remove Travis CI (#2005)

This change moves the continuous integration to Circle CI only as
maintaining 2 systems has a cost.

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

.circleci/config.yml

@@ -3,8 +3,39 @@ version: 2.1
 
 orbs:
   prometheus: prometheus/prometheus@0.1.0
+  go: circleci/go@0.2.0
 
 jobs:
+  test_frontend:
+    # We need to use a machine executor because the front-end validation runs
+    # containers with mounted volumes which isn't supported with the docker
+    # executor (even with setup_remote_docker).
+    machine: true
+    steps:
+    - checkout
+    - run: sudo service docker restart
+    - run:
+        name: Remove existing Go installation
+        command: sudo rm -rf /usr/local/go
+    # Whenever the Go version is updated here, .travis.yml and .promu.yml
+    # should also be updated.
+    - go/install:
+        version: "1.12.9"
+    - run:
+        name: Remove generated code
+        command: make clean
+    - run:
+        name: Generate front-end code
+        command: make all
+        working_directory: ~/project/ui/app
+    - run:
+        name: Generate assets
+        command: make assets
+    - run:
+        name: Generate API v2 code
+        command: make apiv2
+    - run: git diff --exit-code
+
   test:
     docker:
     # Whenever the Go version is updated here, .travis.yml and .promu.yml
@@ -59,10 +90,15 @@ jobs:
     - prometheus/store_artifact:
         file: amtool
 
+
 workflows:
   version: 2
   alertmanager:
     jobs:
+    - test_frontend:
+        filters:
+          tags:
+            only: /.*/
     - test:
         filters:
           tags:
@@ -75,6 +111,7 @@ workflows:
     - prometheus/publish_master:
         context: org-context
         requires:
+        - test_frontend
         - test
         - build
         filters:

.travis.yml

@@ -1,21 +0,0 @@
-sudo: false
-language: go
-go_import_path: github.com/prometheus/alertmanager
-
-services:
-- docker
-
-# Whenever the Go version is updated here, .circleci/config.yml and .promu.yml
-# should also be updated.
-go:
-- 1.12.x
-
-script:
-# test front-end
-- make clean
-- cd ui/app/ && make && cd ../..
-- make assets apiv2
-- git diff --exit-code
-# test back-end
-- make
-- git diff --exit-code

Makefile

@@ -25,8 +25,11 @@ STATICCHECK_IGNORE =
 # Will build both the front-end as well as the back-end
 build-all: assets apiv2 build
 
-assets: ui/app/script.js ui/app/index.html ui/app/lib template/default.tmpl
-	GO111MODULE=$(GO111MODULE) $(GO) generate ./asset
+.PHONY: assets
+assets: asset/assets_vfsdata.go
+
+asset/assets_vfsdata.go: ui/app/script.js ui/app/index.html ui/app/lib template/default.tmpl
+	GO111MODULE=$(GO111MODULE) $(GO) generate $(GOOPTS) ./asset
 	@$(GOFMT) -w ./asset
 
 ui/app/script.js: $(shell find ui/app/src -iname *.elm) api/v2/openapi.yaml

asset/doc.go

@@ -15,7 +15,7 @@
 package asset
 
 import (
-	// The blank import is to make govendor happy.
+	// The blank import is to make go modules happy.
 	_ "github.com/shurcooL/vfsgen"
 )