ci: switch from GitHub actions to Buildkite

.buildkite/pipeline.yml

@@ -0,0 +1,12 @@
+steps:
+- name: "Go build and test %n"
+  command: make
+  plugins:
+    - docker-compose#v3.7.0:
+        run: app
+
+- name: "Check licenses %n"
+  command: make licensed
+  plugins:
+    - docker-compose#v3.7.0:
+        run: licensing

Makefile

@@ -0,0 +1,21 @@
+.PHONY: all
+all: build test lint
+
+.PHONY: test
+test:
+	go test ./...
+
+.PHONY: build
+build:
+	go build ./...
+
+.PHONY: lint
+lint: 
+	@go install honnef.co/go/tools/cmd/staticcheck@latest
+	@staticcheck ./...
+
+.PHONY: licensed
+licensed:
+	licensed cache
+	licensed status
+

README.md

@@ -1,4 +1,4 @@
-# sql-proxy
+# sql-proxy [![Build status](https://badge.buildkite.com/ca3f602492e4918255dec82c84067f2bb2349d4a4cb85600fe.svg?branch=main)](https://buildkite.com/planetscale/sql-proxy)
 
 The SQL Proxy allows a user with the appropriate permissions to connect to a
 PlanetScale database without having to deal with IP whitelisting or SSL

docker-compose.yml

@@ -0,0 +1,16 @@
+version: '2'
+
+services:
+  app:
+    image: golang:1.16.4
+    volumes:
+      - .:/work
+    working_dir: /work
+
+  licensing:
+    build:
+      context: ./docker
+      dockerfile: Dockerfile.licensed
+    volumes:
+      - .:/work
+    working_dir: /work

docker/Dockerfile.licensed

@@ -0,0 +1,5 @@
+FROM golang:1.16-buster
+
+RUN apt-get update && apt-get upgrade -y
+RUN apt-get install -y ruby-dev rubygems ruby cmake pkg-config git-core libgit2-dev
+RUN gem install licensed

proxy/client_test.go

@@ -192,7 +192,7 @@ func TestClient_SyncAtomicAlignment(t *testing.T) {
 	// copied from: https://github.com/GoogleCloudPlatform/cloudsql-proxy/blob/302d5d87ac52d8b814625f7b27344fd9ba6a0348/proxy/proxy/client_test.go#L290
 	// The sync/atomic pkg has a bug that requires the developer to guarantee
 	// 64-bit alignment when using 64-bit functions on 32-bit systems.
-	client := &Client{} //nolint: staticcheck
+	client := &Client{} //lint:ignore SA4006 it's used below
 	offset := unsafe.Offsetof(client.connectionsCounter)
 	c.Assert(int(offset%64), qt.Equals, 0, qt.Commentf("Client.connectionsCounter is not aligned"))
 }