action.yaml

name: "Iter8 Install"
description: "Install Iter8 CLI"
branding:
  icon: check-circle
  color: green

runs:
  using: "composite"
  steps:
    - name: Install Iter8 CLI
      shell: bash
      env:
        VERSION: ${{ github.action_ref }}
      run: |
        # For details on context variables runner.os and runner.arch, see:
        #    https://docs.github.com/en/actions/learn-github-actions/contexts#runner-context
        # The returned values do not match those used by the build artifacts.
        # See https://github.com/iter8-tools/iter8/blob/master/Makefile#L4 (and for other valid combinations: https://github.com/mitchellh/gox/blob/master/platform.go#L28-L101)
        # Therefore, this code trasforms the context variables as follows:
        #   os: Linux -> linux, Windows -> windows, macOS -> darwin
        #   arch: X86 -> 386 amd X64 -> amd64
        OS=$(echo ${{ runner.os }} | tr '[:upper:]' '[:lower:]' | sed 's/macos/darwin/')
        ARCH=$(echo ${{ runner.arch }} | sed 's/X86/386/' | sed 's/X64/amd64/')

        RELEASE="${{ env.VERSION }}"
        if [ -z $RELEASE ] || [ $RELEASE = "stable" ]; then
          REL=$(curl -s "https://api.github.com/repos/iter8-tools/iter8/releases/latest" | jq -r '.tag_name')
        fi
        if [ -z $REL ]; then
         REL=$(curl -s "https://api.github.com/repos/iter8-tools/iter8/tags" | jq --arg RELEASE $RELEASE -r '.[] | select(.commit.sha==$RELEASE) | .name')
        fi
        if [ -z $REL ]; then
          REL=$(curl -s "https://api.github.com/repos/iter8-tools/iter8/releases" | jq -r '.[] | .tag_name' | grep $RELEASE | head -1)
        fi
        if [ -z $REL ]; then
          echo "Invalid release specified: $RELEASE"
          exit 1
        fi
        echo "Installing Iter8 version $REL"

        ASSET="iter8-$OS-$ARCH.tar.gz"
        ASSET_URL="https://github.com/iter8-tools/iter8/releases/download/$REL/$ASSET"
        echo "Downloading $ASSET_URL"
        wget -q $ASSET_URL && rc=$? || rc=$?
        if [ $rc -eq 0 ]; then
          # echo "SUCCESS: downloaded $ASSET from $ASSET_URL"
          tar -xvf $ASSET
          mv $OS-$ARCH/iter8 /usr/local/bin
        else
          echo "ERROR: unable to download $ASSET from $ASSET_URL"
          exit 1
        fi