Use GitOps Configuration File (#15)

## what
* Use a configuration file instead of passing all parameters as inputs

## why 
* Makes it easier in reusable workflows to reuse actions without needing to edit workflows themselves
* Separate business logic from configuration

.github/workflows/feature-branch.yml

@@ -1,25 +1,15 @@
+name: Feature branch
 on:
-  workflow_dispatch:
   pull_request:
     branches: [ main ]
     types: [opened, synchronize, reopened]
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ github.ref }}
-          fetch-depth: 1
-
-      - uses: cloudposse/[email protected]
-        with:
-          atmos-version: "latest"
-
-      - uses: dcarbone/[email protected]
-        with:
-          version: "1.6"
-
-      - name: Run Tests
-        run: ./test/run.sh
+  perform:
+    uses: cloudposse/github-actions-workflows-github-action-composite/.github/workflows/feature-branch.yml@main
+    with:
+      organization: "${{ github.event.repository.owner.login }}"
+      repository: "${{ github.event.repository.name }}"
+      ref: "${{ github.event.pull_request.head.ref  }}"
+    secrets:
+      github-private-actions-pat: "${{ secrets.PUBLIC_REPO_ACCESS_TOKEN }}"

.github/workflows/main-branch.yaml

@@ -0,0 +1,16 @@
+name: Main branch
+on:
+  push:
+    branches: [ main ]
+
+permissions:
+  contents: write
+
+jobs:
+  perform:
+    uses: cloudposse/github-actions-workflows-github-action-composite/.github/workflows/main-branch.yml@main
+    with:
+      organization: "${{ github.event.repository.owner.login }}"
+      repository: "${{ github.event.repository.name }}"
+    secrets:
+      github-private-actions-pat: "${{ secrets.PUBLIC_REPO_ACCESS_TOKEN }}"

.github/workflows/test-matrix-2-levels.yml

@@ -0,0 +1,53 @@
+name: Test select components with 2 levels of nested matrices
+on:
+#  # Uncomment when test added first time to register workflow and comment it back after workflow would be registered
+#  #
+#  # Added pull_request to register workflow from the PR.
+#  # Read more https://stackoverflow.com/questions/63362126/github-actions-how-to-run-a-workflow-created-on-a-non-master-branch-from-the-wo
+#  pull_request: {}
+  workflow_dispatch: {}
+
+jobs:
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup
+        run: echo "Do setup"
+
+  test:
+    runs-on: ubuntu-latest
+    needs: [setup]
+    continue-on-error: true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - uses: ./
+        id: current
+        with:
+          atmos-gitops-config-path: "./tests/atmos-gitops.yaml"
+          select-filter: '.settings.github.actions_enabled // false'
+          nested-matrices-count: '2'
+
+    outputs:
+      selected-components: "${{ steps.current.outputs.selected-components }}"
+      matrix: "${{ steps.current.outputs.matrix }}"
+
+  assert:
+    runs-on: ubuntu-latest
+    needs: [test]
+    steps:
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '[{"component":"test-2","stack":"core-ue2-auto","stack_slug":"core-ue2-auto-test-2"},{"component":"test-4","stack":"plat-ue2-dev","stack_slug":"plat-ue2-dev-test-4"},{"component":"test-5","stack":"plat-ue2-sandbox","stack_slug":"plat-ue2-sandbox-test-5"}]'
+          actual: "${{ needs.test.outputs.selected-components }}"
+
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '{"include":['
+          actual: "${{ needs.test.outputs.matrix }}"
+          comparison: contains
+
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '{"include":[{"name":"core-auto","items":"{\"include\":[{\"component\":\"test-2\",\"stack\":\"core-ue2-auto\",\"stack_slug\":\"core-ue2-auto-test-2\"}]}"},{"name":"plat-dev","items":"{\"include\":[{\"component\":\"test-4\",\"stack\":\"plat-ue2-dev\",\"stack_slug\":\"plat-ue2-dev-test-4\"}]}"},{"name":"plat-sandbox","items":"{\"include\":[{\"component\":\"test-5\",\"stack\":\"plat-ue2-sandbox\",\"stack_slug\":\"plat-ue2-sandbox-test-5\"}]}"}]}'
+          actual: "${{ needs.test.outputs.matrix }}"

.github/workflows/test-matrix-3-levels.yml

@@ -0,0 +1,54 @@
+name: Test select components with 3 levels of nested matrices
+on:
+#  # Uncomment when test added first time to register workflow and comment it back after workflow would be registered
+#  #
+#  # Added pull_request to register workflow from the PR.
+#  # Read more https://stackoverflow.com/questions/63362126/github-actions-how-to-run-a-workflow-created-on-a-non-master-branch-from-the-wo
+#  pull_request: {}
+  workflow_dispatch: {}
+
+jobs:
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup
+        run: echo "Do setup"
+
+  test:
+    runs-on: ubuntu-latest
+    needs: [setup]
+    continue-on-error: true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - uses: ./
+        id: current
+        with:
+          atmos-gitops-config-path: "./tests/atmos-gitops.yaml"
+          select-filter: '.settings.github.actions_enabled // false'
+          nested-matrices-count: '3'
+
+    outputs:
+      selected-components: "${{ steps.current.outputs.selected-components }}"
+      matrix: "${{ steps.current.outputs.matrix }}"
+
+  assert:
+    runs-on: ubuntu-latest
+    needs: [test]
+    steps:
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '[{"component":"test-2","stack":"core-ue2-auto","stack_slug":"core-ue2-auto-test-2"},{"component":"test-4","stack":"plat-ue2-dev","stack_slug":"plat-ue2-dev-test-4"},{"component":"test-5","stack":"plat-ue2-sandbox","stack_slug":"plat-ue2-sandbox-test-5"}]'
+          actual: "${{ needs.test.outputs.selected-components }}"
+
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '{"include":['
+          actual: "${{ needs.test.outputs.matrix }}"
+          comparison: contains
+
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '{"include":[{"name":"core-auto","items":"{\"include\":[{\"name\":\"core-ue2-auto-test-2 - core-ue2-auto-test-2\",\"items\":\"{\\\"include\\\":[{\\\"component\\\":\\\"test-2\\\",\\\"stack\\\":\\\"core-ue2-auto\\\",\\\"stack_slug\\\":\\\"core-ue2-auto-test-2\\\"}]}\"}]}"},{"name":"plat-dev","items":"{\"include\":[{\"name\":\"plat-ue2-dev-test-4 - plat-ue2-dev-test-4\",\"items\":\"{\\\"include\\\":[{\\\"component\\\":\\\"test-4\\\",\\\"stack\\\":\\\"plat-ue2-dev\\\",\\\"stack_slug\\\":\\\"plat-ue2-dev-test-4\\\"}]}\"}]}"},{"name":"plat-sandbox","items":"{\"include\":[{\"name\":\"plat-ue2-sandbox-test-5 - plat-ue2-sandbox-test-5\",\"items\":\"{\\\"include\\\":[{\\\"component\\\":\\\"test-5\\\",\\\"stack\\\":\\\"plat-ue2-sandbox\\\",\\\"stack_slug\\\":\\\"plat-ue2-sandbox-test-5\\\"}]}\"}]}"}]}'
+          actual: "${{ needs.test.outputs.matrix }}"

.github/workflows/test-positive.yml

@@ -0,0 +1,52 @@
+name: Test select components
+on:
+#  # Uncomment when test added first time to register workflow and comment it back after workflow would be registered
+#  #
+#  # Added pull_request to register workflow from the PR.
+#  # Read more https://stackoverflow.com/questions/63362126/github-actions-how-to-run-a-workflow-created-on-a-non-master-branch-from-the-wo
+#  pull_request: {}
+  workflow_dispatch: {}
+
+jobs:
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup
+        run: echo "Do setup"
+
+  test:
+    runs-on: ubuntu-latest
+    needs: [setup]
+    continue-on-error: true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - uses: ./
+        id: current
+        with:
+          atmos-gitops-config-path: "./tests/atmos-gitops.yaml"
+
+    outputs:
+      selected-components: "${{ steps.current.outputs.selected-components }}"
+      matrix: "${{ steps.current.outputs.matrix }}"
+
+  assert:
+    runs-on: ubuntu-latest
+    needs: [test]
+    steps:
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '[{"component":"test-1","stack":"core-ue2-auto","stack_slug":"core-ue2-auto-test-1"},{"component":"test-2","stack":"core-ue2-auto","stack_slug":"core-ue2-auto-test-2"},{"component":"test-3","stack":"plat-ue2-dev","stack_slug":"plat-ue2-dev-test-3"},{"component":"test-4","stack":"plat-ue2-dev","stack_slug":"plat-ue2-dev-test-4"},{"component":"test-5","stack":"plat-ue2-sandbox","stack_slug":"plat-ue2-sandbox-test-5"}]'
+          actual: "${{ needs.test.outputs.selected-components }}"
+
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '{"include":['
+          actual: "${{ needs.test.outputs.matrix }}"
+          comparison: contains
+
+      - uses: nick-fields/assert-action@v1
+        with:
+          expected: '{"include":[{"name":"core-auto","items":"{\"include\":[{\"component\":\"test-1\",\"stack\":\"core-ue2-auto\",\"stack_slug\":\"core-ue2-auto-test-1\"},{\"component\":\"test-2\",\"stack\":\"core-ue2-auto\",\"stack_slug\":\"core-ue2-auto-test-2\"}]}"},{"name":"plat-dev","items":"{\"include\":[{\"component\":\"test-3\",\"stack\":\"plat-ue2-dev\",\"stack_slug\":\"plat-ue2-dev-test-3\"},{\"component\":\"test-4\",\"stack\":\"plat-ue2-dev\",\"stack_slug\":\"plat-ue2-dev-test-4\"}]}"},{"name":"plat-sandbox","items":"{\"include\":[{\"component\":\"test-5\",\"stack\":\"plat-ue2-sandbox\",\"stack_slug\":\"plat-ue2-sandbox-test-5\"}]}"}]}'
+          actual: "${{ needs.test.outputs.matrix }}"