Refactor validate for GitHub Actions

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/validate.yml

@@ -0,0 +1,38 @@
+name: validate
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'master'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - 'master'
+
+env:
+  REPO_SLUG_ORIGIN: "moby/buildkit:master"
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - lint
+          - validate-vendor
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          driver-opts: image=${{ env.REPO_SLUG_ORIGIN }}
+      -
+        name: Run
+        run: |
+          make ${{ matrix.target }}

.travis.yml

@@ -1,20 +1,34 @@
-dist: bionic
 sudo: required
-
+language: minimal
-install:
-  - docker run --name buildkit --rm -d --privileged -p 1234:1234 $REPO_SLUG_ORIGIN --addr tcp://0.0.0.0:1234
-  - sudo docker cp buildkit:/usr/bin/buildctl /usr/bin/
-  - export BUILDKIT_HOST=tcp://0.0.0.0:1234
 
 env:
   global:
+    - DOCKER_CHANNEL="stable"
+    - DOCKER_CLI_EXPERIMENTAL="enabled"
     - PLATFORMS="linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/s390x,linux/ppc64le"
     - CROSS_PLATFORMS="${PLATFORMS},darwin/amd64,windows/amd64"
     - PREFER_BUILDCTL="1"
 
-script:
+before_install:
-  - make binaries validate-all && TARGETPLATFORM="${CROSS_PLATFORMS}" ./hack/cross
+  # update docker
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+  - sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) $DOCKER_CHANNEL"
+  - sudo apt-get update
+  - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce docker-ce-cli
+  # check
+  - sudo systemctl restart docker
+  - docker info
 
+install:
+  - docker buildx create --name builder --driver docker-container --driver-opt image=$REPO_SLUG_ORIGIN --use
+  - docker run --rm --privileged tonistiigi/binfmt:latest --install all
+  - docker run --name buildkit --rm -d --privileged -p 1234:1234 $REPO_SLUG_ORIGIN --addr tcp://0.0.0.0:1234
+  - sudo docker cp buildkit:/usr/bin/buildctl /usr/bin/
+  - export BUILDKIT_HOST=tcp://0.0.0.0:1234
+
+script:
+  - make binaries validate-all
+  - TARGETPLATFORM="${CROSS_PLATFORMS}" ./hack/cross
 
 deploy:
   - provider: script

.yamllint.yml

@@ -0,0 +1,13 @@
+ignore: |
+  /vendor
+
+extends: default
+
+yaml-files:
+  - '*.yaml'
+  - '*.yml'
+
+rules:
+  truthy: disable
+  line-length: disable
+  document-start: disable

hack/dockerfiles/lint.Dockerfile

@@ -1,10 +1,12 @@
 # syntax=docker/dockerfile:1.0-experimental
 
 FROM golang:1.13-alpine
-RUN  apk add --no-cache git
+RUN apk add --no-cache git yamllint
 RUN go get -u gopkg.in/alecthomas/gometalinter.v1 \
   && mv /go/bin/gometalinter.v1 /go/bin/gometalinter \
   && gometalinter --install
 WORKDIR /go/src/github.com/docker/buildx
 RUN --mount=target=/go/src/github.com/docker/buildx \
   gometalinter --config=gometalinter.json ./...
+RUN --mount=target=/go/src/github.com/docker/buildx \
+  yamllint -c .yamllint.yml --strict .

hack/lint

@@ -1,37 +1,6 @@
 #!/usr/bin/env bash
 
 . $(dirname $0)/util
-set -eu -o pipefail -x
+set -eu
 
-: ${CONTINUOUS_INTEGRATION=}
+buildxCmd build --file ./hack/dockerfiles/lint.Dockerfile .
-
-progressFlag=""
-if [ "$CONTINUOUS_INTEGRATION" == "true" ]; then progressFlag="--progress=plain"; fi
-
-lintDocker() {
-  export DOCKER_BUILDKIT=1
-  iidfile=$(mktemp -t docker-iidfile.XXXXXXXXXX)
-  docker build --iidfile $iidfile -f ./hack/dockerfiles/lint.Dockerfile --force-rm .
-  iid=$(cat $iidfile)
-  docker rmi $iid
-  rm -f $iidfile
-}
-
-lint() {
-  buildctl build $progressFlag --frontend=dockerfile.v0 \
-    --local context=. --local dockerfile=. \
-    --frontend-opt filename=./hack/dockerfiles/lint.Dockerfile
-}
-
-case $buildmode in
-"buildkit")
-  lint
-  ;;
-"docker-buildkit")
-  lintDocker
-  ;;
-*)
-	echo "buildctl or docker with buildkit support is required"
-  exit 1
-  ;;
-esac

hack/util

@@ -1,5 +1,6 @@
 #!/usr/bin/env sh
 
+: ${CI=}
 : ${PREFER_BUILDCTL=}
 : ${PREFER_LEGACY=}
 : ${CLI_PLATFORM=}
@@ -8,6 +9,11 @@ newerEqualThan() { # $1=minimum wanted version $2=actual-version
   [ "$1" = "$(printf "$1\n$2" | sort -V | head -n 1)" ]
 }
 
+progressFlag=""
+if [ "$CI" = "true" ]; then
+  progressFlag="--progress=plain"
+fi
+
 buildmode="legacy"
 if [ "$PREFER_BUILDCTL" = "1" ]; then
   buildmode="buildkit";
@@ -21,6 +27,22 @@ else
   fi
 fi
 
+buildxCmd() {
+  if docker buildx version >/dev/null 2>&1; then
+    set -x
+    docker buildx "$@" $progressFlag
+  elif buildx version >/dev/null 2>&1; then
+    set -x
+    buildx "$@" $progressFlag
+  elif docker version >/dev/null 2>&1; then
+    set -x
+    DOCKER_BUILDKIT=1 docker "$@" $progressFlag
+  else
+    echo >&2 "ERROR: Please enable DOCKER_BUILDKIT or install standalone buildx"
+    exit 1
+  fi
+}
+
 if [ -z "$CLI_PLATFORM" ]; then
   if [ "$(uname -s)" = "Darwin" ]; then
       arch="$(uname -m)"
@@ -32,4 +54,3 @@ if [ -z "$CLI_PLATFORM" ]; then
     CLI_PLATFORM="windows/amd64"
   fi
 fi
-

hack/validate-vendor

@@ -1,33 +1,13 @@
 #!/usr/bin/env sh
-
 set -eu
 
-: ${CONTINUOUS_INTEGRATION=}
-: ${DOCKER_BUILDKIT=}
-
-progressFlag=""
-if [ "$CONTINUOUS_INTEGRATION" = "true" ]; then progressFlag="--progress=plain"; fi
-
 case ${1:-} in
   '')
     . $(dirname $0)/util
-  case $buildmode in
+    buildxCmd build \
-  "buildkit")
+      --target validate \
-    buildctl build $progressFlag --frontend=dockerfile.v0 --local context=. --local dockerfile=. --frontend-opt filename=./hack/dockerfiles/vendor.Dockerfile --frontend-opt target=validate
+      --file ./hack/dockerfiles/vendor.Dockerfile \
-    ;;
+      .
-  "docker-buildkit")
-    export DOCKER_BUILDKIT=1
-    iidfile=$(mktemp -t docker-iidfile.XXXXXXXXXX)
-    docker build --iidfile $iidfile -f ./hack/dockerfiles/vendor.Dockerfile --target validate --force-rm . || exit 1
-    iid=$(cat $iidfile)
-    docker rmi $iid
-    rm -f $iidfile
-    ;;
-  *)
-		echo "buildkit support is required"
-    exit 1
-    ;;
-  esac
     ;;
   check)
     status="$(git status --porcelain -- go.mod go.sum vendor 2>/dev/null)"