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save and load should support multi-tag for docker-archive

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The docker-archive tar files can have multiple tags for the same
image stored in it. Load pulls all the tags found in the archive
when loading a tar file. Save can oush multiple tags of the same
image to a tar archive.

Signed-off-by: umohnani8 <umohnani@redhat.com>

Closes: #819
Approved by: rhatdan
This commit is contained in:
umohnani8
2018-05-21 13:53:19 -04:00
committed by Atomic Bot
parent 0a4ade1c17
commit c8b72e57a7
14 changed files with 1782 additions and 1644 deletions
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8
API.md
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@ -19,7 +19,7 @@ in the [API.md](https://github.com/projectatomic/libpod/blob/master/API.md) file
[func ExportContainer(name: string, path: string) string](#ExportContainer)
[func ExportImage(name: string, destination: string, compress: bool) string](#ExportImage)
[func ExportImage(name: string, destination: string, compress: bool, tags: []string) string](#ExportImage)
[func GetAttachSockets(name: string) Sockets](#GetAttachSockets)
@ -190,9 +190,11 @@ The return value is the written tarfile.
### <a name="ExportImage"></a>func ExportImage
<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">
method ExportImage(name: [string](https://godoc.org/builtin#string), destination: [string](https://godoc.org/builtin#string), compress: [bool](https://godoc.org/builtin#bool)) [string](https://godoc.org/builtin#string)</div>
method ExportImage(name: [string](https://godoc.org/builtin#string), destination: [string](https://godoc.org/builtin#string), compress: [bool](https://godoc.org/builtin#bool), tags: [[]string](#[]string)) [string](https://godoc.org/builtin#string)</div>
ExportImage takes the name or ID of an image and exports it to a destination like a tarball. There is also
a booleon option to force compression. Upon completion, the ID of the image is returned. If the image cannot
a booleon option to force compression. It also takes in a string array of tags to be able to save multiple
tags of the same image to a tarball (each tag should be of the form <image>:<tag>). Upon completion, the ID
of the image is returned. If the image cannot
be found in local storage, an [ImageNotFound](#ImageNotFound) error will be returned. See also [ImportImage](ImportImage).
### <a name="GetAttachSockets"></a>func GetAttachSockets
<div style="background-color: #E8E8E8; padding: 15px; margin: 10px; border-radius: 10px;">