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Fix panic when removing docker images

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This commit is contained in:
Pengfei Ni 2019-03-14 18:53:02 +08:00
parent 897d62ace7
commit a304297c99
1 changed files with 5 additions and 0 deletions
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5
pkg/kubelet/dockershim/docker_image.go
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@ -127,6 +127,11 @@ func (ds *dockerService) RemoveImage(_ context.Context, r *runtimeapi.RemoveImag
return nil, err return nil, err
} }
if imageInspect == nil {
// image is nil, assuming it doesn't exist.
return &runtimeapi.RemoveImageResponse{}, nil
}
// An image can have different numbers of RepoTags and RepoDigests. // An image can have different numbers of RepoTags and RepoDigests.
// Iterating over both of them plus the image ID ensures the image really got removed. // Iterating over both of them plus the image ID ensures the image really got removed.
// It also prevents images from being deleted, which actually are deletable using this approach. // It also prevents images from being deleted, which actually are deletable using this approach.