259 lines
13 KiB
Markdown
259 lines
13 KiB
Markdown
---
|
|
title: Storing workflow data as artifacts
|
|
shortTitle: Store artifacts
|
|
intro: Artifacts allow you to share data between jobs in a workflow and store data once that workflow has completed.
|
|
redirect_from:
|
|
- /articles/persisting-workflow-data-using-artifacts
|
|
- /github/automating-your-workflow-with-github-actions/persisting-workflow-data-using-artifacts
|
|
- /actions/automating-your-workflow-with-github-actions/persisting-workflow-data-using-artifacts
|
|
- /actions/configuring-and-managing-workflows/persisting-workflow-data-using-artifacts
|
|
- /actions/guides/storing-workflow-data-as-artifacts
|
|
- /actions/advanced-guides/storing-workflow-data-as-artifacts
|
|
versions:
|
|
fpt: '*'
|
|
ghes: '*'
|
|
ghae: '*'
|
|
ghec: '*'
|
|
type: tutorial
|
|
topics:
|
|
- Workflows
|
|
---
|
|
|
|
{% data reusables.actions.enterprise-github-hosted-runners %}
|
|
|
|
## About workflow artifacts
|
|
|
|
Artifacts allow you to persist data after a job has completed, and share that data with another job in the same workflow. An artifact is a file or collection of files produced during a workflow run. For example, you can use artifacts to save your build and test output after a workflow run has ended. {% data reusables.actions.reusable-workflow-artifacts %}
|
|
|
|
{% data reusables.actions.artifact-log-retention-statement %} The retention period for a pull request restarts each time someone pushes a new commit to the pull request.
|
|
|
|
These are some of the common artifacts that you can upload:
|
|
|
|
- Log files and core dumps
|
|
- Test results, failures, and screenshots
|
|
- Binary or compressed files
|
|
- Stress test performance output and code coverage results
|
|
|
|
{% ifversion fpt or ghec %}
|
|
|
|
Storing artifacts uses storage space on {% data variables.product.product_name %}. {% data reusables.actions.actions-billing %} For more information, see "[AUTOTITLE](/billing/managing-billing-for-github-actions)."
|
|
|
|
{% else %}
|
|
|
|
Artifacts consume storage space on the external blob storage that is configured for {% data variables.product.prodname_actions %} on {% data variables.location.product_location %}.
|
|
|
|
{% endif %}
|
|
|
|
Artifacts are uploaded during a workflow run, and you can view an artifact's name and size in the UI. When an artifact is downloaded using the {% data variables.product.product_name %} UI, all files that were individually uploaded as part of the artifact get zipped together into a single file. This means that billing is calculated based on the size of the uploaded artifact and not the size of the zip file.
|
|
|
|
{% data variables.product.product_name %} provides two actions that you can use to upload and download build artifacts. For more information, see the {% ifversion fpt or ghec %}[upload-artifact](https://github.com/actions/upload-artifact) and [download-artifact](https://github.com/actions/download-artifact) actions{% else %} `upload-artifact` and `download-artifact` actions on {% data variables.location.product_location %}{% endif %}.
|
|
|
|
To share data between jobs:
|
|
|
|
- **Uploading files**: Give the uploaded file a name and upload the data before the job ends.
|
|
- **Downloading files**: You can only download artifacts that were uploaded during the same workflow run. When you download a file, you can reference it by name.
|
|
|
|
The steps of a job share the same environment on the runner machine, but run in their own individual processes. To pass data between steps in a job, you can use inputs and outputs. For more information about inputs and outputs, see "[AUTOTITLE](/actions/creating-actions/metadata-syntax-for-github-actions)."
|
|
|
|
{% ifversion actions-caching %}
|
|
|
|
{% data reusables.actions.comparing-artifacts-caching %}
|
|
|
|
For more information on dependency caching, see "[AUTOTITLE](/actions/using-workflows/caching-dependencies-to-speed-up-workflows#comparing-artifacts-and-dependency-caching)."
|
|
|
|
{% endif %}
|
|
|
|
## Uploading build and test artifacts
|
|
|
|
You can create a continuous integration (CI) workflow to build and test your code. For more information about using {% data variables.product.prodname_actions %} to perform CI, see "[AUTOTITLE](/actions/automating-builds-and-tests/about-continuous-integration)."
|
|
|
|
The output of building and testing your code often produces files you can use to debug test failures and production code that you can deploy. You can configure a workflow to build and test the code pushed to your repository and report a success or failure status. You can upload the build and test output to use for deployments, debugging failed tests or crashes, and viewing test suite coverage.
|
|
|
|
You can use the `upload-artifact` action to upload artifacts. When uploading an artifact, you can specify a single file or directory, or multiple files or directories. You can also exclude certain files or directories, and use wildcard patterns. We recommend that you provide a name for an artifact, but if no name is provided then `artifact` will be used as the default name. For more information on syntax, see the {% ifversion fpt or ghec %}[actions/upload-artifact](https://github.com/actions/upload-artifact) action{% else %} `actions/upload-artifact` action on {% data variables.location.product_location %}{% endif %}.
|
|
|
|
### Example
|
|
|
|
For example, your repository or a web application might contain SASS and TypeScript files that you must convert to CSS and JavaScript. Assuming your build configuration outputs the compiled files in the `dist` directory, you would deploy the files in the `dist` directory to your web application server if all tests completed successfully.
|
|
|
|
```text
|
|
|-- hello-world (repository)
|
|
| └── dist
|
|
| └── tests
|
|
| └── src
|
|
| └── sass/app.scss
|
|
| └── app.ts
|
|
| └── output
|
|
| └── test
|
|
|
|
|
```
|
|
|
|
This example shows you how to create a workflow for a Node.js project that builds the code in the `src` directory and runs the tests in the `tests` directory. You can assume that running `npm test` produces a code coverage report named `code-coverage.html` stored in the `output/test/` directory.
|
|
|
|
The workflow uploads the production artifacts in the `dist` directory, but excludes any markdown files. It also uploads the `code-coverage.html` report as another artifact.
|
|
|
|
```yaml copy
|
|
name: Node CI
|
|
|
|
on: [push]
|
|
|
|
jobs:
|
|
build_and_test:
|
|
runs-on: ubuntu-latest
|
|
steps:
|
|
- name: Checkout repository
|
|
uses: {% data reusables.actions.action-checkout %}
|
|
- name: npm install, build, and test
|
|
run: |
|
|
npm install
|
|
npm run build --if-present
|
|
npm test
|
|
- name: Archive production artifacts
|
|
uses: {% data reusables.actions.action-upload-artifact %}
|
|
with:
|
|
name: dist-without-markdown
|
|
path: |
|
|
dist
|
|
!dist/**/*.md
|
|
- name: Archive code coverage results
|
|
uses: {% data reusables.actions.action-upload-artifact %}
|
|
with:
|
|
name: code-coverage-report
|
|
path: output/test/code-coverage.html
|
|
```
|
|
|
|
## Configuring a custom artifact retention period
|
|
|
|
You can define a custom retention period for individual artifacts created by a workflow. When using a workflow to create a new artifact, you can use `retention-days` with the `upload-artifact` action. This example demonstrates how to set a custom retention period of 5 days for the artifact named `my-artifact`:
|
|
|
|
```yaml copy
|
|
- name: 'Upload Artifact'
|
|
uses: {% data reusables.actions.action-upload-artifact %}
|
|
with:
|
|
name: my-artifact
|
|
path: my_file.txt
|
|
retention-days: 5
|
|
```
|
|
|
|
The `retention-days` value cannot exceed the retention limit set by the repository, organization, or enterprise.
|
|
|
|
## Downloading or deleting artifacts
|
|
|
|
During a workflow run, you can use the [`download-artifact`](https://github.com/actions/download-artifact) action to download artifacts that were previously uploaded in the same workflow run.
|
|
|
|
After a workflow run has been completed, you can download or delete artifacts on {% data variables.product.prodname_dotcom %} or using the REST API. For more information, see "[AUTOTITLE](/actions/managing-workflow-runs/downloading-workflow-artifacts)," "[AUTOTITLE](/actions/managing-workflow-runs/removing-workflow-artifacts)," and the "[AUTOTITLE](/rest/actions#artifacts)."
|
|
|
|
### Downloading artifacts during a workflow run
|
|
|
|
The [`actions/download-artifact`](https://github.com/actions/download-artifact) action can be used to download previously uploaded artifacts during a workflow run.
|
|
|
|
{% note %}
|
|
|
|
**Note:** You can only download artifacts in a workflow that were uploaded during the same workflow run.
|
|
|
|
{% endnote %}
|
|
|
|
Specify an artifact's name to download an individual artifact. If you uploaded an artifact without specifying a name, the default name is `artifact`.
|
|
|
|
```yaml
|
|
- name: Download a single artifact
|
|
uses: {% data reusables.actions.action-download-artifact %}
|
|
with:
|
|
name: my-artifact
|
|
```
|
|
|
|
You can also download all artifacts in a workflow run by not specifying a name. This can be useful if you are working with lots of artifacts.
|
|
|
|
```yaml
|
|
- name: Download all workflow run artifacts
|
|
uses: {% data reusables.actions.action-download-artifact %}
|
|
```
|
|
|
|
If you download all workflow run's artifacts, a directory for each artifact is created using its name.
|
|
|
|
For more information on syntax, see the {% ifversion fpt or ghec %}[actions/download-artifact](https://github.com/actions/download-artifact) action{% else %} `actions/download-artifact` action on {% data variables.location.product_location %}{% endif %}.
|
|
|
|
## Passing data between jobs in a workflow
|
|
|
|
You can use the `upload-artifact` and `download-artifact` actions to share data between jobs in a workflow. This example workflow illustrates how to pass data between jobs in the same workflow. For more information, see the {% ifversion fpt or ghec %}[actions/upload-artifact](https://github.com/actions/upload-artifact) and [download-artifact](https://github.com/actions/download-artifact) actions{% else %} `actions/upload-artifact` and `download-artifact` actions on {% data variables.location.product_location %}{% endif %}.
|
|
|
|
Jobs that are dependent on a previous job's artifacts must wait for the dependent job to complete successfully. This workflow uses the `needs` keyword to ensure that `job_1`, `job_2`, and `job_3` run sequentially. For example, `job_2` requires `job_1` using the `needs: job_1` syntax.
|
|
|
|
Job 1 performs these steps:
|
|
- Performs a math calculation and saves the result to a text file called `math-homework.txt`.
|
|
- Uses the `upload-artifact` action to upload the `math-homework.txt` file with the artifact name `homework`.
|
|
|
|
Job 2 uses the result in the previous job:
|
|
- Downloads the `homework` artifact uploaded in the previous job. By default, the `download-artifact` action downloads artifacts to the workspace directory that the step is executing in. You can use the `path` input parameter to specify a different download directory.
|
|
- Reads the value in the `math-homework.txt` file, performs a math calculation, and saves the result to `math-homework.txt` again, overwriting its contents.
|
|
- Uploads the `math-homework.txt` file. This upload overwrites the previously uploaded artifact because they share the same name.
|
|
|
|
Job 3 displays the result uploaded in the previous job:
|
|
- Downloads the `homework` artifact.
|
|
- Prints the result of the math equation to the log.
|
|
|
|
The full math operation performed in this workflow example is `(3 + 7) x 9 = 90`.
|
|
|
|
```yaml copy
|
|
name: Share data between jobs
|
|
|
|
on: [push]
|
|
|
|
jobs:
|
|
job_1:
|
|
name: Add 3 and 7
|
|
runs-on: ubuntu-latest
|
|
steps:
|
|
- shell: bash
|
|
run: |
|
|
expr 3 + 7 > math-homework.txt
|
|
- name: Upload math result for job 1
|
|
uses: {% data reusables.actions.action-upload-artifact %}
|
|
with:
|
|
name: homework
|
|
path: math-homework.txt
|
|
|
|
job_2:
|
|
name: Multiply by 9
|
|
needs: job_1
|
|
runs-on: windows-latest
|
|
steps:
|
|
- name: Download math result for job 1
|
|
uses: {% data reusables.actions.action-download-artifact %}
|
|
with:
|
|
name: homework
|
|
- shell: bash
|
|
run: |
|
|
value=`cat math-homework.txt`
|
|
expr $value \* 9 > math-homework.txt
|
|
- name: Upload math result for job 2
|
|
uses: {% data reusables.actions.action-upload-artifact %}
|
|
with:
|
|
name: homework
|
|
path: math-homework.txt
|
|
|
|
job_3:
|
|
name: Display results
|
|
needs: job_2
|
|
runs-on: macOS-latest
|
|
steps:
|
|
- name: Download math result for job 2
|
|
uses: {% data reusables.actions.action-download-artifact %}
|
|
with:
|
|
name: homework
|
|
- name: Print the final result
|
|
shell: bash
|
|
run: |
|
|
value=`cat math-homework.txt`
|
|
echo The result is $value
|
|
```
|
|
|
|
The workflow run will archive any artifacts that it generated. For more information on downloading archived artifacts, see "[AUTOTITLE](/actions/managing-workflow-runs/downloading-workflow-artifacts)."
|
|
|
|
{% ifversion fpt or ghec %}
|
|
|
|
## Further reading
|
|
|
|
- "[AUTOTITLE](/billing/managing-billing-for-github-actions)".
|
|
|
|
{% endif %}
|