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https://github.com/circleci-public/trigger-circleci-pipeline-action

Trigger a CircleCI pipeline from any GitHub Actions event.
https://github.com/circleci-public/trigger-circleci-pipeline-action

actions ci-cd continuous-delivery github-action github-actions

Last synced: 6 days ago
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Trigger a CircleCI pipeline from any GitHub Actions event.

Host: GitHub
URL: https://github.com/circleci-public/trigger-circleci-pipeline-action
Owner: CircleCI-Public
Created: 2021-11-30T22:05:46.000Z (about 3 years ago)
Default Branch: main
Last Pushed: 2024-03-27T14:52:56.000Z (9 months ago)
Last Synced: 2024-12-17T02:35:22.181Z (8 days ago)
Topics: actions, ci-cd, continuous-delivery, github-action, github-actions
Language: TypeScript
Homepage: https://github.com/marketplace/actions/trigger-circleci-pipeline
Size: 437 KB
Stars: 49
Watchers: 13
Forks: 43
Open Issues: 21
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- Codeowners: .github/CODEOWNERS

Awesome Lists containing this project

README

> [!NOTE]
>
> This GitHub Action does not yet support CircleCI projects that are integrated with the [CircleCI GitHub App](https://circleci.com/docs/github-apps-integration/). If your CircleCI project URL looks like this: `https://app.circleci.com/projects/organizations/circleci%`, you are integrating with the CircleCI GitHub App and this GitHub Action is not yet supported. Contact [email protected] with any questions/feedback. If your CircleCI project URL looks like this: `https://app.circleci.com/projects/project-dashboard/github/`, you are using [CircleCI's OAuth App integration](https://circleci.com/docs/github-integration/) and this GitHub Action is supported.

# Trigger CircleCI Pipeline

Trigger your [CircleCI](https://circleci.com/) pipelines from any [event](https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows) on GitHub with [GitHub Actions](https://github.com/features/actions).

# How to Use

1. Create a GitHub Action's workflow for the desired CircleCI pipeline.

Do this by adding a workflow YAML file (we'll use `main.yml`) to `./.github/workflows`.

A `release` trigger is shown in this example. Try any of the GitHub events for triggering workflows:
https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows

Select a custom name and id for the step for additional contextual metadata in your CircleCI pipeline

```yaml
on:
release:
types: [published]
jobs:
trigger-circleci:
runs-on: ubuntu-latest
steps:
- name:
id:
uses: CircleCI-Public/[email protected]
env:
CCI_TOKEN: ${{ secrets.CCI_TOKEN }}
```

2. Create an [encrypted secret](https://docs.github.com/en/actions/security-guides/encrypted-secrets#creating-encrypted-secrets-for-a-repository) named `CCI_TOKEN` containing the [Personal API Token](https://circleci.com/docs/2.0/managing-api-tokens/) that will be used to trigger the pipelines. This is suggested to be a [machine user](https://docs.github.com/en/developers/overview/managing-deploy-keys#machine-users).

3. Add the [Pipeline Parameter](https://circleci.com/docs/2.0/pipeline-variables/) definitions to your CircleCI config. This data will be entered by the GitHub Action when triggered.

Add the following to the top of your `.circleci/config.yml` file. Ensure you are specifying version `2.1`

```yaml
version: 2.1
parameters:
GHA_Actor:
type: string
default: ""
GHA_Action:
type: string
default: ""
GHA_Event:
type: string
default: ""
GHA_Meta:
type: string
default: ""
```

4. Use the Pipeline Parameter data to run [workflows conditionally](https://circleci.com/docs/2.0/pipeline-variables/#conditional-workflows).

**_See: [Examples](https://github.com/CircleCI-Public/trigger-circleci-pipeline-action/tree/main/examples)_**

# Inputs

Optional [input parameters](https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions#inputs) that allow you to specify additional metadata.

### GHA_Meta

**required:** false

**description**: An optional additional metadata parameter. Will be available on the CircleCI pipeline as GHA_Meta.

```yaml
jobs:
trigger-circleci:
runs-on: ubuntu-latest
steps:
- name:
id:
uses: CircleCI-Public/[email protected]
with:
GHA_Meta: ""
env:
CCI_TOKEN: ${{ secrets.CCI_TOKEN }}
```

### target-slug

**required:** false

**description**: The [CircleCI project slug](https://circleci.com/docs/api-developers-guide/#github-and-bitbucket-projects) of the target project (ex: `github//`). If not specified, the slug of the current GitHub repository will be used.

```yaml
jobs:
trigger-circleci:
runs-on: ubuntu-latest
steps:
- name:
id:
uses: CircleCI-Public/[email protected]
with:
target-slug: "gh//" # Will trigger the pipeline for external project
env:
CCI_TOKEN: ${{ secrets.CCI_TOKEN }}
```

# Outputs

# Things To Know

## GitHub Actions runs _alongside_ native CircleCI integration.

By default, when a repository is connected to CircleCI, if the workflows within that project's configuration does not specify any conditionals or filters that would otherwise prevent execution, the workflow will execute on every `push` event by default.

This may mean it is possible to accidentally run a job twice, once on the `push` event from CircleCI, as well as other events triggered by the GitHub Action.

### To prevent double execution

If you are relying on GitHub Actions to provide all of your API triggers, ensure that each of your CircleCI configuration's workflows contains a [conditional](https://circleci.com/docs/2.0/pipeline-variables/#conditional-workflows) limiting it's execution to only the GitHub Action trigger.

**Example**

```yaml
workflows:
# This workflow is set to be conditionally triggered,
# only via the GitHub Action.
# With no other unfiltered workflows, normal push events will be ignored.
test:
when: << pipeline.parameters.GHA_Action >>
jobs:
- test
```