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Not fail on updating parent links

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Fixes #8796

Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
This commit is contained in:
Alexandr Morozov 2014-11-06 15:25:14 -08:00
parent 68a25a5b74
commit b83fc07d88
2 changed files with 21 additions and 1 deletions
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2
daemon/container.go
View file

@ -987,7 +987,7 @@ func (container *Container) updateParentsHosts() error {
c := container.daemon.Get(cid)
if c != nil && !container.daemon.config.DisableNetwork && container.hostConfig.NetworkMode.IsPrivate() {
if err := etchosts.Update(c.HostsPath, container.NetworkSettings.IPAddress, container.Name[1:]); err != nil {
return fmt.Errorf("Failed to update /etc/hosts in parent container: %v", err)
log.Errorf("Failed to update /etc/hosts in parent container: %v", err)
}
}
}

20
integration-cli/docker_cli_links_test.go
View file

@ -157,3 +157,23 @@ func TestLinksInspectLinksStopped(t *testing.T) {
logDone("link - links in stopped container inspect")
}
func TestLinksNotStartedParentNotFail(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "create", "--name=first", "busybox", "top")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatal(out, err)
}
runCmd = exec.Command(dockerBinary, "create", "--name=second", "--link=first:first", "busybox", "top")
out, _, _, err = runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatal(out, err)
}
runCmd = exec.Command(dockerBinary, "start", "first")
out, _, _, err = runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatal(out, err)
}
logDone("link - container start not failing on updating stopped parent links")
}