migrate from travis to github actions

.github/workflows/force.yml

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+name: build by force
+
+on:
+#   push:
+#     branches:
+#       - master
+#       - main
+  workflow_dispatch:
+#   repository_dispatch:
+#     types: turtleblocksjs
+
+jobs:
+  turtleblocksjs:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v2
+      - name: docker login
+        run: docker login -u ${{ secrets.DOCKERUSERNAME }} -p ${{ secrets.DOCKERAPIKEY }}
+      - name: treehouses turtleblocksjs
+        run: |
+          export DOCKER_CLI_EXPERIMENTAL=enabled
+          repo="treehouses/turtleblocksjs"
+          base="treehouses/nginx"
+          source .github/workflows/utils.sh
+          echo "amd64"
+          baseamd64=$(get_variant_sha "$base" "latest" "amd64")
+          echo $baseamd64
+          # repoamd64=$(get_manifest_sha "$repo:latest" "amd64")
+          # echo $repoamd64
+          echo "arm"
+          basearm=$(get_tag_sha "$base" "latest")
+          echo $basearm
+          # repoarm=$(get_manifest_sha "$repo:latest" "arm")
+          # echo $repoarm
+          echo "arm64"
+          basearm64=$(get_variant_sha "$base" "latest" "arm64")
+          echo $basearm64
+          # repoarm64=$(get_manifest_sha "$repo:latest" "arm64")
+          # echo $repoarm64
+          echo "change"
+          flag=true #$(compare_sha "$baseamd64" "$repoamd64" "$basearm" "$repoarm" "$basearm64" "$repoarm64")
+          echo $flag
+          if [[ $flag == true ]]; then
+            docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+            build_image "$base:latest" amd64 $repo
+            build_image "$base:latest" arm $repo
+            build_image "$base:latest" arm64 $repo
+            deploy_image $repo arm
+            deploy_image $repo amd64
+            deploy_image $repo arm64
+            sudo npm install -g @treehouses/cli
+            export gitter_channel="${{ secrets.CHANNEL }}"
+            echo "tags"
+            tag="$(date +%Y%m%d%H%M)"
+            echo $tag
+            docker manifest create $repo:$tag $repo-tags:amd64 $repo-tags:arm $repo-tags:arm64
+            docker manifest annotate $repo:$tag $repo-tags:amd64 --arch amd64
+            docker manifest annotate $repo:$tag $repo-tags:arm64 --arch arm64
+            docker manifest annotate $repo:$tag $repo-tags:arm --arch arm
+            docker manifest inspect $repo:$tag
+            docker manifest push $repo:$tag
+            tag2="latest"
+            echo $tag2
+            docker manifest create $repo:$tag2 $repo-tags:amd64 $repo-tags:arm $repo-tags:arm64
+            docker manifest annotate $repo:$tag2 $repo-tags:amd64 --arch amd64
+            docker manifest annotate $repo:$tag2 $repo-tags:arm64 --arch arm64
+            docker manifest annotate $repo:$tag2 $repo-tags:arm --arch arm
+            docker manifest inspect $repo:$tag2
+            docker manifest push $repo:$tag2
+            echo "https://hub.docker.com/r/treehouses/turtleblocksjs/tags"
+            treehouses feedback "new treehouses/turtleblocksjs check https://hub.docker.com/r/treehouses/turtleblocksjs/tags"
+          else
+            echo "no changes"
+          fi

.github/workflows/turtleblocksjs.yml

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+name: build on change
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  workflow_dispatch:
+  repository_dispatch:
+    types: turtleblocksjs
+
+jobs:
+  turtleblocksjs:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v2
+      - name: docker login
+        run: docker login -u ${{ secrets.DOCKERUSERNAME }} -p ${{ secrets.DOCKERAPIKEY }}
+      - name: treehouses turtleblocksjs
+        run: |
+          export DOCKER_CLI_EXPERIMENTAL=enabled
+          repo="treehouses/turtleblocksjs"
+          base="treehouses/nginx"
+          source .github/workflows/utils.sh
+          echo "amd64"
+          baseamd64=$(get_variant_sha "$base" "latest" "amd64")
+          echo $baseamd64
+          repoamd64=$(get_manifest_sha "$repo:latest" "amd64")
+          echo $repoamd64
+          echo "arm"
+          basearm=$(get_tag_sha "$base" "latest")
+          echo $basearm
+          repoarm=$(get_manifest_sha "$repo:latest" "arm")
+          echo $repoarm
+          echo "arm64"
+          basearm64=$(get_variant_sha "$base" "latest" "arm64")
+          echo $basearm64
+          repoarm64=$(get_manifest_sha "$repo:latest" "arm64")
+          echo $repoarm64
+          echo "change"
+          flag=$(compare_sha "$baseamd64" "$repoamd64" "$basearm" "$repoarm" "$basearm64" "$repoarm64")
+          echo $flag
+          if [[ $flag == true ]]; then
+            docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+            build_image "$base:latest" amd64 $repo
+            build_image "$base:latest" arm $repo
+            build_image "$base:latest" arm64 $repo
+            deploy_image $repo arm
+            deploy_image $repo amd64
+            deploy_image $repo arm64
+            sudo npm install -g @treehouses/cli
+            export gitter_channel="${{ secrets.CHANNEL }}"
+            echo "tags"
+            tag="$(date +%Y%m%d%H%M)"
+            echo $tag
+            docker manifest create $repo:$tag $repo-tags:amd64 $repo-tags:arm $repo-tags:arm64
+            docker manifest annotate $repo:$tag $repo-tags:amd64 --arch amd64
+            docker manifest annotate $repo:$tag $repo-tags:arm64 --arch arm64
+            docker manifest annotate $repo:$tag $repo-tags:arm --arch arm
+            docker manifest inspect $repo:$tag
+            docker manifest push $repo:$tag
+            tag2="latest"
+            echo $tag2
+            docker manifest create $repo:$tag2 $repo-tags:amd64 $repo-tags:arm $repo-tags:arm64
+            docker manifest annotate $repo:$tag2 $repo-tags:amd64 --arch amd64
+            docker manifest annotate $repo:$tag2 $repo-tags:arm64 --arch arm64
+            docker manifest annotate $repo:$tag2 $repo-tags:arm --arch arm
+            docker manifest inspect $repo:$tag2
+            docker manifest push $repo:$tag2
+            echo "https://hub.docker.com/r/treehouses/turtleblocksjs/tags"
+            treehouses feedback "new treehouses/turtleblocksjs check https://hub.docker.com/r/treehouses/turtleblocksjs/tags"
+          else
+            echo "no changes"
+          fi

.github/workflows/utils.sh

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+#!/bin/bash
+
+get_variant_sha(){
+    local sha
+    docker_repo=$1  #alpine or vmnet/alpine
+    manifest_tag=$2
+    docker_image=$docker_repo:$manifest_tag
+    arch=$3
+    variant=$4
+    export DOCKER_CLI_EXPERIMENTAL=enabled
+
+    docker pull -q  ${docker_image} &>/dev/null
+    docker manifest inspect ${docker_image} > "$2".txt
+
+    sha=""
+    i=0
+    while [ "$sha" == "" ] && read -r line
+    do
+        arch=$(jq .manifests[$i].platform.architecture "$2".txt |sed -e 's/^"//' -e 's/"$//')
+        if [ "$arch" = "$3" ] && [ "$arch" !=  "arm" ]; then
+            sha=$(jq .manifests[$i].digest "$2".txt  |sed -e 's/^"//' -e 's/"$//')
+            echo ${sha}
+        elif [ "$arch" = "$3" ]; then
+            variant=$(jq .manifests[$i].platform.variant "$2".txt |sed -e 's/^"//' -e 's/"$//')
+            if [ "$variant" == "$4" ]; then
+                sha=$(jq .manifests[$i].digest "$2".txt  |sed -e 's/^"//' -e 's/"$//')
+                echo ${sha}
+            fi
+        fi
+        i=$i+1
+    done < "$2".txt
+}
+
+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
+        archecture=$(jq .manifests[$i].platform.architecture "$2".txt |sed -e 's/^"//' -e 's/"$//')
+        if [ "$archecture" = "$2" ];then
+            sha=$(jq .manifests[$i].digest "$2".txt  |sed -e 's/^"//' -e 's/"$//')
+            echo ${sha}
+        fi
+        i=$i+1
+    done < "$2".txt
+}
+
+get_tag_sha(){
+    local repo=$1
+    local tag=$2
+    docker pull "$repo:$tag" &>/dev/null
+    sha=$(docker inspect --format='{{index .RepoDigests 0}}' "$repo:$tag" 2>/dev/null | cut -d @ -f 2)
+    echo $sha
+}
+
+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 buildx build --platform linux/$arch -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
+}
+
+compare_sha () {
+    if [ "$1" != "$2" ] || [ "$3" != "$4" ] || [ "$5" != "$6" ]; then
+        echo "true"
+    else
+        echo "false"
+    fi
+}
+
+create_manifests(){
+    local repo=$1
+    local tag=$2
+    local x86=$3
+    local rpi=$4
+    local arm64=$5
+    docker manifest create $repo:$tag $x86 $rpi $arm64
+    docker manifest create $repo:latest $x86 $rpi $arm64
+    docker manifest annotate $repo:latest $rpi --arch arm
+    docker manifest annotate $repo:$tag $arm64 --arch arm64
+    docker manifest annotate $repo:latest $arm64 --arch arm64
+    docker manifest annotate $repo:$tag $rpi --arch arm
+}