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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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12
client_opts.go
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@@ -89,7 +89,7 @@ type RemoteOpt func(*Client, *RemoteContext) error
// content for
func WithPlatform(platform string) RemoteOpt {
if platform == "" {
platform = platforms.Default()
platform = platforms.DefaultString()
}
return func(_ *Client, c *RemoteContext) error {
for _, p := range c.Platforms {
@@ -103,6 +103,16 @@ func WithPlatform(platform string) RemoteOpt {
}
}
// WithPlatformMatcher specifies the matcher to use for
// determining which platforms to pull content for.
// This value supersedes anything set with `WithPlatform`.
func WithPlatformMatcher(m platforms.MatchComparer) RemoteOpt {
return func(_ *Client, c *RemoteContext) error {
c.PlatformMatcher = m
return nil
}
}
// WithPullUnpack is used to unpack an image after pull. This
// uses the snapshotter, content store, and diff service
// configured for the client.