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Code Issues Releases Wiki Activity

Correctly compare image env and container env

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This commit is contained in:
galal-hussein 2018-07-25 16:18:11 +02:00 committed by Alena Prokharchyk
parent bfb5d2e875
commit 5aca37c1cf
1 changed files with 9 additions and 16 deletions

25
docker/docker.go
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@ -309,10 +309,15 @@ func IsContainerUpgradable(ctx context.Context, dClient *client.Client, imageCfg
if err != nil {
return false, err
}
// image inspect to compare the env correctly
imageInspect, _, err := dClient.ImageInspectWithRaw(ctx, imageCfg.Image)
if err != nil {
return false, err
}
if containerInspect.Config.Image != imageCfg.Image ||
!sliceEqualsIgnoreOrder(containerInspect.Config.Entrypoint, imageCfg.Entrypoint) ||
!sliceEqualsIgnoreOrder(containerInspect.Config.Cmd, imageCfg.Cmd) ||
!isContainerRKEEnvChanged(containerInspect.Config.Env, imageCfg.Env) ||
!isContainerEnvChanged(containerInspect.Config.Env, imageCfg.Env, imageInspect.Config.Env) ||
!sliceEqualsIgnoreOrder(containerInspect.HostConfig.Binds, hostCfg.Binds) {
logrus.Debugf("[%s] Container [%s] is eligible for upgrade on host [%s]", plane, containerName, hostname)
return true, nil
@ -420,20 +425,8 @@ func convertToSemver(version string) (*semver.Version, error) {
return semver.NewVersion(strings.Join(compVersion, "."))
}
func isContainerRKEEnvChanged(containerEnv, imageConfigEnv []string) bool {
func isContainerEnvChanged(containerEnv, imageConfigEnv, dockerfileEnv []string) bool {
// remove PATH env from the container env
cleanedContainerEnv := getRKEEnvVars(containerEnv)
cleanedImageConfigEnv := getRKEEnvVars(imageConfigEnv)
return sliceEqualsIgnoreOrder(cleanedContainerEnv, cleanedImageConfigEnv)
}
func getRKEEnvVars(env []string) []string {
tmp := []string{}
for _, e := range env {
if strings.HasPrefix(e, "RKE_") {
tmp = append(tmp, e)
}
}
return tmp
allImageEnv := append(imageConfigEnv, dockerfileEnv...)
return sliceEqualsIgnoreOrder(allImageEnv, containerEnv)
}