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Add platform match comparer interface

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Adds a new platform interface for matching and comparing platforms.
This new interface allows both filtering and ordering of platforms
to support running multiple platform and choosing the best platform.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan
2018-08-23 10:51:13 -07:00
parent 830363acac
commit 9edcfcc1cb
12 changed files with 370 additions and 72 deletions
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6
image.go
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@@ -63,7 +63,7 @@ func NewImage(client *Client, i images.Image) Image {
}
// NewImageWithPlatform returns a client image object from the metadata image
func NewImageWithPlatform(client *Client, i images.Image, platform string) Image {
func NewImageWithPlatform(client *Client, i images.Image, platform platforms.MatchComparer) Image {
return &image{
client: client,
i: i,
@@ -75,7 +75,7 @@ type image struct {
client *Client
i images.Image
platform string
platform platforms.MatchComparer
}
func (i *image) Name() string {
@@ -186,7 +186,7 @@ func (i *image) Unpack(ctx context.Context, snapshotterName string) error {
return nil
}
func (i *image) getLayers(ctx context.Context, platform string) ([]rootfs.Layer, error) {
func (i *image) getLayers(ctx context.Context, platform platforms.MatchComparer) ([]rootfs.Layer, error) {
cs := i.client.ContentStore()
manifest, err := images.Manifest(ctx, cs, i.i.Target, platform)