About external storage for GitHub Actions
GitHub Actions uses external blob storage to store data generated by workflow runs. Stored data includes workflow logs, caches, and user-uploaded build artifacts. For more information, see Getting started with GitHub Actions for GitHub Enterprise Server.
Prerequisites
Before enabling GitHub Actions, make sure you have completed the following steps:
-
Create your MinIO bucket for storing data generated by workflow runs. For more information about installing and configuring MinIO, see MinIO High Performance Object Storage and mc mb in the MinIO documentation.
To avoid resource contention on the appliance, we recommend that MinIO be hosted separately from your GitHub Enterprise Server instance.
GitHub Actions requires the following permissions for the access key that will access the bucket:
s3:PutObject
s3:GetObject
s3:ListBucketMultipartUploads
s3:ListMultipartUploadParts
s3:AbortMultipartUpload
s3:DeleteObject
s3:ListBucket
kms:GenerateDataKey
(if Key Management Service (KMS) encryption has been enabled)kms:Decrypt
(if Key Management Service (KMS) encryption has been enabled)
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Review the hardware requirements for GitHub Actions. For more information, see Getting started with GitHub Actions for GitHub Enterprise Server.
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TLS must be configured for GitHub Enterprise Server's domain. For more information, see Configuring TLS.
Note
We strongly recommend that you configure TLS on GitHub Enterprise Server with a certificate signed by a trusted authority. Although a self-signed certificate can work, extra configuration is required for your self-hosted runners, and it is not recommended for production environments.
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If you have an HTTP Proxy Server configured on GitHub:
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You must add
.localhost
,127.0.0.1
, and::1
to the HTTP Proxy Exclusion list (in this order). -
If your external storage location is not routable, then you must also add your external storage URL to the exclusion list.
For more information on changing your proxy settings, see Configuring an outbound web proxy server.
Enabling GitHub Actions with MinIO storage
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From an administrative account on GitHub Enterprise Server, in the upper-right corner of any page, click .
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If you're not already on the "Site admin" page, in the upper-left corner, click Site admin.
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In the " Site admin" sidebar, click Management Console.
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In the "Settings"" sidebar, click Actions.
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Under "GitHub Actions", select Enable GitHub Actions.
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Under "Artifact & Log Storage", next to "Amazon S3", click Setup.
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Under "Authentication", select Credentials-based, and enter your storage bucket's details:
Note
For MinIO, you cannot use OpenID Connect (OIDC) authentication. You must use credentials-based authentication.
- AWS Service URL: The URL to your MinIO service. For example,
https://my-minio.example:9000
. - AWS S3 Bucket: The name of your S3 bucket.
- AWS S3 Access Key and AWS S3 Secret Key: The
MINIO_ACCESS_KEY
andMINIO_SECRET_KEY
used for your MinIO instance.
- AWS Service URL: The URL to your MinIO service. For example,
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Under "Artifact & Log Storage", select Force path style.
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Click the Test storage settings button to validate your storage settings.
If there are any errors validating the storage settings, check the settings with your storage provider and try again.
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Under the "Settings" sidebar, click Save settings.
Note
Saving settings in the Management Console restarts system services, which could result in user-visible downtime.
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Wait for the configuration run to complete.
Next steps
After the configuration run has successfully completed, GitHub Actions will be enabled on GitHub. For your next steps, such as managing GitHub Actions access permissions and adding self-hosted runners, return to Getting started with GitHub Actions for GitHub Enterprise Server.