20 lines
1.6 KiB
Markdown
20 lines
1.6 KiB
Markdown
---
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description: Explains how to use the Google Cloud Storage drivers
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keywords: registry, service, driver, images, storage, gcs, google, cloud
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title: Google Cloud Storage driver
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---
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An implementation of the `storagedriver.StorageDriver` interface which uses Google Cloud for object storage.
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## Parameters
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| Parameter | Required | Description |
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|:--------------|:---------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| `bucket` | yes | The name of your Google Cloud Storage bucket where you wish to store objects (needs to already be created prior to driver initialization). |
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| `keyfile` | no | A private service account key file in JSON format used for [Service Account Authentication](https://cloud.google.com/storage/docs/authentication#service_accounts). |
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| `rootdirectory` | no | The root directory tree in which all registry files are stored. Defaults to the empty string (bucket root). If a prefix is used, the path `bucketname/<prefix>` has to be pre-created before starting the registry. The prefix is applied to all Google Cloud Storage keys to allow you to segment data in your bucket if necessary.|
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| `chunksize` | no (default 5242880) | This is the chunk size used for uploading large blobs, must be a multiple of 256*1024. |
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**Note:** Instead of a key file you can use [Google Application Default Credentials](https://developers.google.com/identity/protocols/application-default-credentials).
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