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Kubelet: Use RepoDigest for ImageID when available

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Previously, we used the docker config digest (also called "image ID"
by Docker) for the value of the `ImageID` field in the container status.
This was not particularly useful, since the config manifest is not
what's used to identify the image in a registry, which uses the manifest
digest instead.  Docker 1.12+ always populates the RepoDigests field
with the manifest digests, and Docker 1.10 and 1.11 populate it when
images are pulled by digest.

This commit changes `ImageID` to point to the the manifest digest when
available, using the prefix `docker-pullable://` (instead of
`docker://`)
This commit is contained in:
Solly Ross
2016-09-30 14:51:26 -04:00
parent b46dbbec1b
commit 135f87dc15
5 changed files with 87 additions and 1 deletions
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1
test/e2e_node/image_list.go
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@@ -41,6 +41,7 @@ var NodeImageWhiteList = sets.NewString(
"google/cadvisor:latest",
"gcr.io/google-containers/stress:v1",
"gcr.io/google_containers/busybox:1.24",
"gcr.io/google_containers/busybox@sha256:4bdd623e848417d96127e16037743f0cd8b528c026e9175e22a84f639eca58ff",
"gcr.io/google_containers/nginx-slim:0.7",
"gcr.io/google_containers/serve_hostname:v1.4",
"gcr.io/google_containers/netexec:1.7",