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feat: add --image-parallel-copies flag #2277

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merged 1 commit into from
Apr 8, 2024
Merged

feat: add --image-parallel-copies flag #2277

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3 changes: 3 additions & 0 deletions cmd/skopeo/copy.go
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ type copyOptions struct {
encryptLayer []int // The list of layers to encrypt
encryptionKeys []string // Keys needed to encrypt the image
decryptionKeys []string // Keys needed to decrypt the image
imageParallelCopies uint // Maximum number of parallel requests when copying images
}

func copyCmd(global *globalOptions) *cobra.Command {
Expand Down Expand Up @@ -95,6 +96,7 @@ See skopeo(1) section "IMAGE NAMES" for the expected format
flags.StringSliceVar(&opts.encryptionKeys, "encryption-key", []string{}, "*Experimental* key with the encryption protocol to use needed to encrypt the image (e.g. jwe:/path/to/key.pem)")
flags.IntSliceVar(&opts.encryptLayer, "encrypt-layer", []int{}, "*Experimental* the 0-indexed layer indices, with support for negative indexing (e.g. 0 is the first layer, -1 is the last layer)")
flags.StringSliceVar(&opts.decryptionKeys, "decryption-key", []string{}, "*Experimental* key needed to decrypt the image")
flags.UintVar(&opts.imageParallelCopies, "image-parallel-copies", 0, "Maximum number of image layers to be copied (pulled/pushed) simultaneously. Not setting this field will fall back to containers/image defaults.")
return cmd
}

Expand Down Expand Up @@ -300,6 +302,7 @@ func (opts *copyOptions) run(args []string, stdout io.Writer) (retErr error) {
OciDecryptConfig: decConfig,
OciEncryptLayers: encLayers,
OciEncryptConfig: encConfig,
MaxParallelDownloads: opts.imageParallelCopies,
})
if err != nil {
return err
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4 changes: 4 additions & 0 deletions docs/skopeo-copy.1.md
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Expand Up @@ -220,6 +220,10 @@ The username to access the destination registry.

The password to access the destination registry.

**--image-parallel-copies** _n_

Maximum number of image layers to be copied (pulled/pushed) simultaneously. Not setting this field will fall back to containers/image defaults.

## EXAMPLES

To just copy an image from one registry to another:
Expand Down