Implement nerdctl run --annotation (introduced in Docker v24)
#2906
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cc @naoki9911 |
An OCI runtime (as well as `nerdctl internal oci-hook`) may consume an annotation and behave differently. e.g., https://github.com/opencontainers/runc/blob/v1.1.12/docs/systemd.md#auxiliary-properties nerdctl v1: - `nerdctl run --annotation` was not implemented. - `nerdctl run --label` is set as a containerd label and an OCI annotation. nerdctl v2: - `nerdctl run --annotation` is only set as an OCI annotation. - `nerdctl run --label` is only set as a containerd label. A label with the `nerdctl/` prefix can no longer be set manually, with an exception for `nerdctl/bypass4netns`. The `nerdctl/bypass4netns` label is still allowed and is propagated to an OCI annotation, for sake of compatibility. Docker v23: - `docker run --annotation` was not implemented. - `docker run --label` is only set as a Docker label. Docker v24 (implemented in docker/cli PR 4156, moby/moby PR 45025): - `docker run --annotation` is only set as an OCI annotation. - `docker run --label` is only set as a Docker label. (In a nutshell, `--annotation` may change the behavior, while `--label` should not.) Signed-off-by: Akihiro Suda <[email protected]>
For experiments of additional `bypass4netns --ignore` Signed-off-by: Akihiro Suda <[email protected]>
ktock
approved these changes
Mar 31, 2024
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Thanks @AkihiroSuda |
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Commit 1: Implement
nerdctl run --annotation(introduced in Docker v24)An OCI runtime (as well as
nerdctl internal oci-hook) may consume an annotation and behave differently.e.g., https://github.com/opencontainers/runc/blob/v1.1.12/docs/systemd.md#auxiliary-properties
nerdctl v1:
nerdctl run --annotationwas not implemented.nerdctl run --labelis set as a containerd label and an OCI annotation.nerdctl v2:
nerdctl run --annotationis only set as an OCI annotation.nerdctl run --labelis only set as a containerd label. A label with thenerdctl/prefix can no longer be set manually, with an exception fornerdctl/bypass4netns. Thenerdctl/bypass4netnslabel is still allowed and is propagated to an OCI annotation, for sake of compatibility.Docker v23:
docker run --annotationwas not implemented.docker run --labelis only set as a Docker label.Docker v24 (implemented in docker/cli#4156, moby/moby#45025):
docker run --annotationis only set as an OCI annotation.docker run --labelis only set as a Docker label.(In a nutshell,
--annotationmay change the behavior, while--labelshould not.)Commit 2: annotations: add
nerdctl/bypass4netns-ignore-subnets([]string)For experiments of additional
bypass4netns --ignore