upload-cloud-storage

This action uploads files/folders to a Google Cloud Storage (GCS) bucket. This is useful when you want upload build artifacts from your workflow.

Paths to files that are successfully uploaded are set as output variables and can be used in subsequent steps.

Prerequisites

This action requires Google Cloud credentials that are authorized to upload blobs to the specified bucket. See the Authorization section below for more information.

Usage

For uploading a file

steps:
  - id: upload-file
    uses: google-github-actions/upload-cloud-storage@main
    with:
      path: /path/to/file
      destination: bucket-name/file

  # Example of using the output
  - id: uploaded-files
    uses: foo/bar@master
    env:
      file: ${{steps.upload-file.outputs.uploaded}}

The file will be uploaded to gs://bucket-name/file

For uploading a folder

steps:
  - id: upload-files
    uses: google-github-actions/upload-cloud-storage@main
    with:
      path: /path/to/folder
      destination: bucket-name

  # Example of using the output
  - id: uploaded-files
    uses: foo/bar@master
    env:
      files: ${{steps.upload-files.outputs.uploaded}}

Destination Filenames

If the folder has the following structure:

.
└── myfolder
    ├── file1
    └── folder2
        └── file2.txt

Default Configuration

With default configuration

steps:
  - id: upload-files
    uses: google-github-actions/upload-cloud-storage@main
    with:
      path: myfolder
      destination: bucket-name

The files will be uploaded to gs://bucket-name/myfolder/file1,gs://bucket-name/myfolder/folder2/file2.txt

Optionally, you can also specify a prefix in destination.

steps:
  - id: upload-files
    uses: google-github-actions/upload-cloud-storage@main
    with:
      path: myfolder
      destination: bucket-name/myprefix

The files will be uploaded to gs://bucket-name/myprefix/myfolder/file1,gs://bucket-name/myprefix/myfolder/folder2/file2.txt

Upload to bucket root

To upload myfolder to the root of the bucket, you can set parent to false. Setting parent to false will omit path when uploading to bucket.

steps:
  - id: upload-files
    uses: google-github-actions/upload-cloud-storage@main
    with:
      path: myfolder
      destination: bucket-name
      parent: false

The files will be uploaded to gs://bucket-name/file1,gs://bucket-name/folder2/file2.txt

If path was set to myfolder/folder2, the file will be uploaded to gs://bucket-name/file2.txt

Optionally, you can also specify a prefix in destination.

steps:
  - id: upload-files
    uses: google-github-actions/upload-cloud-storage@main
    with:
      path: myfolder
      destination: bucket-name/myprefix
      parent: false

The files will be uploaded to gs://bucket-name/myprefix/file1,gs://bucket-name/myprefix/folder2/file2.txt

Glob Pattern

You can specify a glob pattern like

steps:
  - id: upload-files
    uses: google-github-actions/upload-cloud-storage@main
    with:
      path: myfolder
      destination: bucket-name
      glob: '**/*.txt'

This will particular pattern will match all text files within myfolder.

In this case, myfolder/folder2/file2.txt is the only matched file and will be uploaded to gs://bucket-name/myfolder/folder2/file2.txt.

If parent is set to false, it wil be uploaded to gs://bucket-name/folder2/file2.txt.

Inputs

path: (Required) The path to a file or folder inside the action's filesystem that should be uploaded to the bucket.

You can specify either the absolute path or the relative path from the action:
```
path: /path/to/file
```
```
path: ../path/to/file
```
destination: (Required) The destination for the file/folder in the form bucket-name or with an optional prefix in the form bucket-name/prefix
```
destination: bucket-name
```
In the above example, the file will be uploaded to gs://bucket-name/file
```
destination: bucket-name/prefix
```
In the above example, the file will be uploaded to gs://bucket-name/prefix/file
gzip: (Optional) Upload file(s) with gzip content encoding, defaults to true.
```
gzip: false
```
resumable: (Optional) Enable resumable uploads, defaults to true.
```
resumable: false
```
In the above example, the file(s) will be uploaded without gzip content-encoding
predefinedAcl: (Optional) Apply a predefined set of access controls to the file(s).
```
predefinedAcl: projectPrivate
```
In the above example, project team members get access to the uploaded file(s) according to their roles.

Acceptable values are: authenticatedRead, bucketOwnerFullControl, bucketOwnerRead, private, projectPrivate, publicRead. See the document for details.
headers: (Optional) Set object metadata.
```
headers: |-
  content-type: application/json
  x-goog-meta-custom-field: custom-value
```
In the above example, file Content-Type will be set to application/json and custom metadata with key custom-field and value custom-value will be added to it.

Settable fields are: Cache-Control, Content-Disposition, Content-Encoding, Content-Language, Content-Type, Custom-Time. See the document for details.

All custom metadata fields must be prefixed with x-goog-meta-.
credentials: (Optional) Google Service Account JSON credentials as JSON or base64 encoded string, typically sourced from a GitHub Secret. If unspecified, other authentication methods are attempted. See Authorization below.
parent: (Optional) Whether parent dir should be included in GCS destination, defaults to true.
```
parent: false
```
glob: (Optional) Glob pattern.
```
glob: '*.txt'
```
concurrency: (Optional) Number of files to simultaneously upload, defaults to 100.
```
concurrency: 10
```

Outputs

List of successfully uploaded file(s).

For example:

steps:
  - id: upload-file
    uses: google-github-actions/upload-cloud-storage@main
    with:
      path: /path/to/file
      destination: bucket-name/file

will be available in future steps as the output "uploaded":

- id: publish
  uses: foo/bar@master
  env:
    file: ${{steps.upload-file.outputs.uploaded}}

Authorization

There are a few ways to authenticate this action. The caller must have permissions to access the secrets being requested.

Via the setup-gcloud action

You can provide credentials using the setup-gcloud action:

- uses: google-github-actions/setup-gcloud@master
  with:
    service_account_key: ${{ secrets.GCP_SA_KEY }}
    export_default_credentials: true
- uses: google-github-actions/upload-cloud-storage@main

The advantage of this approach is that it authenticates all future actions. A disadvantage of this approach is that downloading and installing gcloud may be heavy for some use cases.

Via credentials

You can provide Google Cloud Service Account JSON directly to the action by specifying the credentials input. First, create a GitHub Secret that contains the JSON content, then import it into the action:

- id: upload-file
  uses: google-github-actions/upload-cloud-storage@main
  with:
    credentials: ${{ secrets.gcp_credentials }}
    path: /path/to/folder
    destination: bucket-name/file

Via Application Default Credentials

If you are hosting your own runners, and those runners are on Google Cloud, you can leverage the Application Default Credentials of the instance. This will authenticate requests as the service account attached to the instance. This only works using a custom runner hosted on GCP.

- id: upload-file
  uses: google-github-actions/upload-cloud-storage@main

The action will automatically detect and use the Application Default Credentials.

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