Add check-dependent-jobs action (#16)

* Add check-dependent-jobs action

* fix

* fix

* test

* fix

* Add debug

* test

* ok

* fix paths

* fix paths

* modify test

* fix

* Add test case

* test

* add debug step

* add path to no-test

* remove debug step; not needed

* Add expected result in name

* Update check-dependent-jobs/README.md

Co-authored-by: Victor Martinez <victormartinezrubio@gmail.com>

* Rename 'needs' input to 'jobs'

* Fix name

* Use github-script

* Update README.md

---------

Co-authored-by: Victor Martinez <victormartinezrubio@gmail.com>

.github/workflows/no-test.yml

@@ -8,6 +8,7 @@ on:
       - '**'
       - '!.github/workflows/test-*'
       - '!buildkite/run/**'
+      - '!check-dependent-jobs/**'
       - '!git/setup/**'
       - '!google/auth/**'
       - '!updatecli/run/**'

.github/workflows/test-check-dependent-jobs.yml

@@ -0,0 +1,42 @@
+name: test-check-dependent-jobs
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - '.github/workflows/test-check-dependent-jobs.yml'
+      - 'check-dependent-jobs/**'
+  push:
+    branches:
+      - main
+    paths:
+      - '.github/workflows/test-check-dependent-jobs.yml'
+      - 'check-dependent-jobs/**'
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./check-dependent-jobs
+        id: check
+        with:
+          jobs: '{ "job-a": { "result": "success" }, "job-b": { "result": "success" } }'
+      - name: assert outputs.is-success==true
+        run: test "${{ steps.check.outputs.is-success }}" = "true"
+      - uses: ./check-dependent-jobs
+        id: check-2
+        with:
+          jobs: '{ "job-a": { "result": "success" }, "job-b": { "result": "failure" } }'
+      - name: assert outputs.is-success==false
+        run: test "${{ steps.check-2.outputs.is-success }}" = "false"
+      - uses: ./check-dependent-jobs
+        id: check-3
+        with:
+          jobs: '{ "job-a": { "result": "failure" }, "job-b": { "result": "failure" } }'
+      - name: assert outputs.is-success==false
+        run: test "${{ steps.check-3.outputs.is-success }}" = "false"

check-dependent-jobs/README.md

@@ -0,0 +1,49 @@
+# <!--name-->check-dependent-jobs<!--/name-->
+
+<!--description-->
+Evaluates the combined the status results of the provided needs context.
+<!--/description-->
+
+## Inputs
+<!--inputs-->
+| Name   | Description                  | Required | Default |
+|--------|------------------------------|----------|---------|
+| `jobs` | needs context as JSON string | `true`   | ` `     |
+<!--/inputs-->
+
+## Outputs
+
+<!--outputs-->
+| Name         | Description                                                     |
+|--------------|-----------------------------------------------------------------|
+| `is-success` | The evaluated result of all provided jobs in the needs context. |
+| `status`     | One of success or failure.                                      |
+<!--/outputs-->
+
+## Usage
+
+<!--usage action="elastic/oblt-actions/check-dependent-jobs" version="env:VERSION"-->
+```yaml
+jobs:
+  job-a:
+    runs-on: ubuntu-latest
+    steps:
+      - run: exit 1;
+  job-b:
+    runs-on: ubuntu-latest
+    steps:
+      - run: exit 0;
+  job-c:
+    if: always()
+    runs-on: ubuntu-latest
+    needs:
+      - job-a
+      - job-b
+    steps:
+      - id: check
+        uses: elastic/oblt-actions/check-dependent-jobs@v1
+        with:
+          jobs: ${{ toJSON(needs) }}
+      - run: ${{ steps.check.outputs.is-success }} # should exit with 1 or 0.
+```
+<!--/usage-->

check-dependent-jobs/action.yml

@@ -0,0 +1,27 @@
+name: check-dependent-jobs
+description: |
+  Evaluates the combined the status results of the provided needs context.
+inputs:
+  jobs:
+    required: true
+    description: needs context as JSON string
+outputs:
+  is-success:
+    description: The evaluated result of all provided jobs in the needs context.
+    value: ${{ steps.test.outputs.is-success }}
+  status:
+    description: One of success or failure.
+    value: ${{ steps.test.outputs.status }}
+runs:
+  using: composite
+  steps:
+    - id: test
+      uses: actions/github-script@v7
+      with:
+        script: |
+          const jobs = JSON.parse(process.env.JOBS)
+          const isSuccess = Object.values(jobs).every(job => job.result === 'success')
+          core.setOutput('is-success', isSuccess)
+          core.setOutput('status', isSuccess ? 'success' : 'failure')
+      env:
+        JOBS: ${{ inputs.jobs }}