CHEF-13373 CI Pipeline modifications for multichannel support (builder)

Provides a new GitHub workflow and its supporting actions to publish builder's habitat packages.  The hab pkg happens is trigger push to main and is limited to the packages altered in a given commit.

Signed-off-by: Jason Heath <[email protected]>

.github/actions/hab-install-linux/action.yaml

@@ -0,0 +1,50 @@
+name: Habitat Install and Setup for Linux
+description: Install Habitat via curl bash on linux hosts
+inputs:
+  hab-auth-token:
+    description: The HAB_AUTH_TOKEN to be used
+    required: true
+  hab-origin:
+    description: The Habitat Origin to be used
+    required: true
+  curl-bash-url:
+    description: URL for the habitat curl bash script
+    required: true
+    default: 'https://raw.githubusercontent.com/habitat-sh/habitat/master/components/hab/install.sh'
+  habitat-version:
+    description: Which version of habitat to use
+    required: true
+    default: latest
+  habitat-target:
+    description: Which architecture to target
+    required: true
+    default: x86_64-linux
+runs:
+  using: composite
+  steps:
+
+    - name: install hab binary
+      shell: bash
+      env:
+        URL: ${{ inputs.curl-bash-url }}
+        VERSION: ${{ inputs.habitat-version }}
+        TARGET: ${{ inputs.habitat-target }}
+      run: |
+        curl "$URL" | sudo bash -s -- -v "$VERSION" -t "$TARGET"
+
+    - name: accept hab license
+      shell: bash
+      run: |
+        hab license accept
+        sudo hab license accept
+
+    - name: download hab keys
+      shell: bash
+      env:
+        HAB_ORIGIN: ${{ inputs.hab-origin }}
+        HAB_AUTH_TOKEN: ${{ inputs.hab-auth-token }}
+      run: |
+        hab origin key download $HAB_ORIGIN
+        hab origin key download $HAB_ORIGIN --auth $HAB_AUTH_TOKEN --secret
+        sudo hab origin key download $HAB_ORIGIN
+        sudo hab origin key download $HAB_ORIGIN --auth $HAB_AUTH_TOKEN --secret

.github/actions/hab-pkg-build-and-upload-linux/action.yaml

@@ -0,0 +1,35 @@
+name: Habitat Package Build, Install, and Upload
+description: Builds a Habitat Package and uploads it
+inputs:
+  hab-auth-token:
+    description: The HAB_AUTH_TOKEN to be usAd
+    required: true
+  bldr-component:
+    description: The Builder Component to build and package
+    required: true
+runs:
+  using: composite
+  steps:
+
+    - name: hab pkg build
+      shell: bash
+      env:
+        BLDR_COMPONENT: ${{ inputs.bldr-component }}
+      run: |
+        hab pkg build $BLDR_COMPONENT
+
+    - name: hab pkg install
+      shell: bash
+      env:
+        HAB_AUTH_TOKEN: ${{ inputs.hab-auth-token }}
+      run: |
+        source results/last_build.env
+        sudo hab pkg install --auth $HAB_AUTH_TOKEN results/$pkg_artifact
+
+    - name: hab pkg upload
+      shell: bash
+      env:
+        HAB_AUTH_TOKEN: ${{ inputs.hab-auth-token }}
+      run: |
+        source results/last_build.env
+        hab pkg upload --auth $HAB_AUTH_TOKEN results/$pkg_artifact

.github/workflows/hab-pkg-build-upload.yaml

@@ -0,0 +1,63 @@
+name: Publish Habitat Packages
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  BLDR_URL: 'https://bldr.habitat.sh/'
+  HAB_ORIGIN: 'habitat'
+  HAB_AUTH_TOKEN: ${{ secrets.HAB_AUTH_TOKEN }}
+  HABITAT_VERSION_SET: 'latest'
+
+permissions:
+  contents: write
+
+jobs:
+
+  changes:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: read
+    outputs:
+      components: ${{ steps.filter.outputs.changes }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dorny/paths-filter@v3
+        id: filter
+        with:
+          filters: |
+            builder-memcached:
+              - 'components/builder-memcached/**'
+            builder-minio:
+              - 'components/builder-minio/**'
+            builder-datastore:
+              - 'components/builder-datastore/**'
+            builder-api:
+              - 'components/builder-api/**'
+            builder-api-proxy:
+              - 'components/builder-api-proxy/**'
+
+  habitat-packaging:
+    needs: changes
+    if: ${{ needs.changes.outputs.components != '[]' && needs.changes.outputs.components != '' }}
+    name: ${{matrix.components}}
+    strategy:
+      fail-fast: false
+      matrix:
+        components: ${{ fromJSON(needs.changes.outputs.components) }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout for ${{matrix.components}}
+        uses: actions/checkout@v4
+      - name: Install Habitat for ${{matrix.components}}
+        uses: ./.github/actions/hab-install-linux
+        with:
+          hab-auth-token: ${{ env.HAB_AUTH_TOKEN }}
+          hab-origin: ${{ env.HAB_ORIGIN }}
+      - name: Build and Upload Habitat Package for ${{matrix.components}}
+        uses: ./.github/actions/hab-pkg-build-and-upload-linux
+        with:
+          hab-auth-token: ${{ env.HAB_AUTH_TOKEN }}
+          bldr-component: components/${{matrix.components}}