github action (fixes #25)

.github/workflows/kolibri.yml

@@ -0,0 +1,59 @@
+name: kolibri-docker-image-build
+
+on:
+  push:
+  workflow_dispatch:
+  repository_dispatch:
+    types: kolibri
+
+jobs:
+  kolibri:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v2
+      - name: docker login
+        run: docker login -u ${{ secrets.DOCKERUSERNAME }} -p ${{ secrets.DOCKERAPIKEY }}
+      - name: neethumohan1212 kolibri
+        run: |
+          export DOCKER_CLI_EXPERIMENTAL=enabled
+          repo="neethumohan1212/kolibri"
+          source .github/workflows/utils.sh
+          alpine_arm_sha=$(get_manifest_sha "treehouses/alpine:latest" "arm")
+          echo $alpine_arm_sha
+          kolibri_arm_sha=$(get_manifest_sha $repo:latest arm)
+          echo $kolibri_arm_sha
+          flag_arm=$(is_base "treehouses/alpine@"$alpine_arm_sha "$repo@"$kolibri_arm_sha)
+          echo $flag_arm
+          alpine_amd64_sha=$(get_manifest_sha "treehouses/alpine:latest" "amd64")
+          echo $alpine_amd64_sha
+          kolibri_amd64_sha=$(get_manifest_sha "$repo:latest" "amd64")
+          echo $kolibri_amd64_sha
+          flag_amd64=$(is_base "treehouses/alpine@"$alpine_amd64_sha "neethumohan1212/kolibri@"$kolibri_amd64_sha)
+          echo $flag_amd64
+          alpine_arm64_sha=$(get_manifest_sha "treehouses/alpine:latest" "arm64")
+          echo $alpine_arm64_sha
+          kolibri_arm64_sha=$(get_manifest_sha "$repo:latest" "arm64")
+          echo $kolibri_arm64_sha
+          flag_arm64=$(is_base "treehouses/alpine@"$alpine_arm64_sha "$repo@"$kolibri_arm64_sha)
+          echo $flag_arm64
+          flag=$(change $flag_arm $flag_arm64 $flag_amd64)
+          #flag="true"
+          echo $flag
+          if [[ $flag == true ]]; then
+            docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+            build_image "treehouses/alpine:latest" arm "$repo" $flag_arm
+            build_image "treehouses/alpine:latest" amd64 "$repo" $flag_amd64
+            build_image "treehouses/alpine:latest" arm64 "$repo" $flag_arm64
+            tag1="latest"
+            tag2="$(date +%Y%m%d%H%M)"
+            echo $tag2
+            docker manifest create $repo:$tag1 $repo-tags:amd64 $repo-tags:arm $repo-tags:arm64
+            docker manifest create $repo:$tag2 $repo-tags:amd64 $repo-tags:arm $repo-tags:arm64
+            docker manifest inspect $repo:$tag1
+            docker manifest inspect $repo:$tag2
+            docker manifest push $repo:$tag1; docker manifest push $repo:$tag2
+          else
+            echo "no changes"
+          fi
+

.github/workflows/utils.sh

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+get_manifest_sha() {
+  local repo=$1
+  local arch=$2
+  docker pull -q $1 &>/dev/null
+  docker manifest inspect $1 > "$2".txt
+  sha=""
+  i=0
+  while [ "$sha" == "" ] && read -r line; do
+    architecture=$(jq .manifests[$i].platform.architecture "$2".txt |sed -e 's/^"//' -e 's/"$//')
+    if [ "$architecture" = "$2" ];then
+      sha=$(jq .manifests[$i].digest "$2".txt  |sed -e 's/^"//' -e 's/"$//')
+      echo ${sha}
+    fi
+    i=$i+1
+  done < "$2".txt
+}
+
+get_sha() {
+  repo=$1
+  docker pull $1 &>/dev/null
+  sha=$(docker image inspect $1 | jq --raw-output '.[0].RootFS.Layers|.[]')   # [0] means first element of list,[]means all the elments of lists
+  echo $sha
+}
+
+is_base() {
+  local base_sha    # alpine
+  local image_sha   # new image
+  local base_repo=$1
+  local image_repo=$2
+
+  base_sha=$(get_sha $base_repo)
+  image_sha=$(get_sha $image_repo)
+
+  for i in $base_sha; do
+    local found="false"
+    for j in $image_sha; do
+      if [[ $i = $j ]]; then
+        found="true"
+        break
+      fi
+    done
+    if [ $found == "false" ]; then
+      echo "false"
+      return 0
+    fi
+  done
+  echo "true"
+}
+
+image_version() {
+  local version
+  repo=$1    # nginx repo
+  version=$(docker run -it $1 /bin/sh -c "nginx -v" |awk '{print$3}')
+  echo $version
+}
+
+change() {
+  flag_arm=$1
+  flag_arm64=$2
+  flag_amd64=$3
+  if [ $flag_arm == "false" ] || [ $flag_arm64 == "false" ] || [ $flag_amd64 == "false" ];
+  then
+    echo "true"
+  else
+    echo "false"
+  fi
+}
+
+create_manifest() {
+  local repo=$1
+  local tag1=$2
+  local tag2=$3
+  local x86=$4
+  local rpi=$5
+  local arm64=$6
+  docker manifest create $repo:$tag1 $x86 $rpi $arm64
+  docker manifest create $repo:$tag2 $x86 $rpi $arm64
+  docker manifest annotate $repo:$tag1 $x86 --arch amd64
+  docker manifest annotate $repo:$tag1 $rpi --arch arm
+  docker manifest annotate $repo:$tag1 $arm64 --arch arm64
+  docker manifest annotate $repo:$tag2 $x86 --arch amd64
+  docker manifest annotate $repo:$tag2 $rpi --arch arm
+  docker manifest annotate $repo:$tag2 $arm64 --arch arm64
+}
+
+build_image(){
+  local repo=$1  # this is the base repo, for example treehouses/alpine
+  local arch=$2  #arm arm64 amd64
+  local tag_repo=$3  # this is the tag repo, for example treehouses/node
+  if [ $# -le 1 ]; then
+    echo "missing parameters."
+    exit 1
+  fi
+  sha=$(get_manifest_sha $@)
+  echo $sha
+  base_image="$repo@$sha"
+  echo $base_image
+  if [ -n "$sha" ]; then
+    tag=$tag_repo-tags:$arch
+    sed "s|{{base_image}}|$base_image|g" Dockerfile.template > Dockerfile.$arch
+    docker build -t $tag -f Dockerfile.$arch .
+  fi
+}
+
+deploy_image(){
+  local repo=$1
+  local arch=$2  #arm arm64 amd64
+  tag_arch=$repo-tags:$arch
+  tag_time=$(date +%Y%m%d%H%M)
+  tag_arch_time=$repo-tags:$arch-$tag_time
+  echo $tag_arch_time
+  docker tag $tag_arch $tag_arch_time
+  docker push $tag_arch_time
+  docker tag $tag_arch_time $tag_arch
+  docker push $tag_arch
+}

.travis.yml.old

@@ -0,0 +1,59 @@
+sudo: required
+addons:
+  apt:
+    update: true
+    packages:
+    - docker-ce
+services:
+- docker
+script:
+- export DOCKER_CLI_EXPERIMENTAL=enabled
+- source utils.sh
+- alpine_arm_sha=$(get_manifest_sha "treehouses/alpine:latest" "arm")
+- echo $alpine_arm_sha
+- kolibri_arm_sha=$(get_manifest_sha "treehouses/kolibri:latest" "arm")
+- echo $kolibri_arm_sha
+- flag_arm=$(is_base "treehouses/alpine@"$alpine_arm_sha "treehouses/kolibri@"$kolibri_arm_sha)
+- echo $flag_arm
+- alpine_amd64_sha=$(get_manifest_sha "treehouses/alpine:latest" "amd64")
+- echo $alpine_amd64_sha
+- kolibri_amd64_sha=$(get_manifest_sha "treehouses/kolibri:latest" "amd64")
+- echo $kolibri_amd64_sha
+- flag_amd64=$(is_base "treehouses/alpine@"$alpine_amd64_sha "treehouses/kolibri@"$kolibri_amd64_sha)
+- echo $flag_amd64
+- alpine_arm64_sha=$(get_manifest_sha "treehouses/alpine:latest" "arm64")
+- echo $alpine_arm64_sha
+- kolibri_arm64_sha=$(get_manifest_sha "treehouses/kolibri:latest" "arm64")
+- echo $kolibri_arm64_sha
+- flag_arm64=$(is_base "treehouses/alpine@"$alpine_arm64_sha "treehouses/kolibri@"$kolibri_arm64_sha)
+- echo $flag_arm64
+- echo $DOCKERAPIKEY | docker login -u "treehouses" --password-stdin
+- docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+- build_image "treehouses/alpine:latest" arm "treehouses/kolibri" $flag_arm
+- build_image "treehouses/alpine:latest" amd64 "treehouses/kolibri" $flag_amd64
+- build_image "treehouses/alpine:latest" arm64 "treehouses/kolibri" $flag_arm64
+- flag=$(change $flag_arm $flag_arm64 $flag_amd64)
+- flag="true"
+- echo $flag
+before_deploy:
+- deploy_image "treehouses/kolibri" arm
+- deploy_image "treehouses/kolibri" amd64
+- deploy_image "treehouses/kolibri" arm64
+- tag1="latest"
+- tag2=$(date +%Y%m%d%H%M)
+- echo $tag2
+- create_manifest treehouses/kolibri $tag1 $tag2 treehouses/kolibri-tags:amd64
+  treehouses/kolibri-tags:arm treehouses/kolibri-tags:arm64
+- docker manifest inspect treehouses/kolibri:$tag1
+- docker manifest inspect treehouses/kolibri:$tag2
+deploy:
+- provider: script
+  script: docker manifest push treehouses/kolibri:$tag1; docker manifest push
+    treehouses/kolibri:$tag2
+  skip_cleanup: true
+  on:
+    all_branches: true
+    condition: "$flag = true"
+env:
+  global:
+  - secure: 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