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kubeadm: add etcd flag for member data consistency

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Include the flag "--experimental-initial-corrupt-check"
in etcd static pod manifests to ensure
etcd member data consistency.

The etcd feature is planned for graduation in 3.6,
at which point we should switch to using the flag
without the "experimental" prefix.
This commit is contained in:
Lubomir I. Ivanov 2022-03-28 20:47:49 +03:00
parent e0ca5cfd73
commit c9386abd5f
2 changed files with 23 additions and 16 deletions
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3
cmd/kubeadm/app/phases/etcd/local.go
View File

@ -221,6 +221,9 @@ func getEtcdCommand(cfg *kubeadmapi.ClusterConfiguration, endpoint *kubeadmapi.A
}
defaultArguments := map[string]string{
"name": nodeName,
// TODO: start using --initial-corrupt-check once the graduated flag is available:
// https://github.com/kubernetes/kubeadm/issues/2676
"experimental-initial-corrupt-check": "true",
"listen-client-urls": fmt.Sprintf("%s,%s", etcdutil.GetClientURLByIP(etcdLocalhostAddress), etcdutil.GetClientURL(endpoint)),
"advertise-client-urls": etcdutil.GetClientURL(endpoint),
"listen-peer-urls": etcdutil.GetPeerURL(endpoint),

4
cmd/kubeadm/app/phases/etcd/local_test.go
View File

@ -176,6 +176,7 @@ func TestGetEtcdCommand(t *testing.T) {
expected: []string{
"etcd",
"--name=foo",
"--experimental-initial-corrupt-check=true",
fmt.Sprintf("--listen-client-urls=https://127.0.0.1:%d,https://1.2.3.4:%d", kubeadmconstants.EtcdListenClientPort, kubeadmconstants.EtcdListenClientPort),
fmt.Sprintf("--listen-metrics-urls=http://127.0.0.1:%d", kubeadmconstants.EtcdMetricsPort),
fmt.Sprintf("--advertise-client-urls=https://1.2.3.4:%d", kubeadmconstants.EtcdListenClientPort),
@ -205,6 +206,7 @@ func TestGetEtcdCommand(t *testing.T) {
expected: []string{
"etcd",
"--name=foo",
"--experimental-initial-corrupt-check=true",
fmt.Sprintf("--listen-client-urls=https://127.0.0.1:%d,https://1.2.3.4:%d", kubeadmconstants.EtcdListenClientPort, kubeadmconstants.EtcdListenClientPort),
fmt.Sprintf("--listen-metrics-urls=http://127.0.0.1:%d", kubeadmconstants.EtcdMetricsPort),
fmt.Sprintf("--advertise-client-urls=https://1.2.3.4:%d", kubeadmconstants.EtcdListenClientPort),
@ -235,6 +237,7 @@ func TestGetEtcdCommand(t *testing.T) {
expected: []string{
"etcd",
"--name=bar",
"--experimental-initial-corrupt-check=true",
"--listen-client-urls=https://10.0.1.10:2379",
fmt.Sprintf("--listen-metrics-urls=http://127.0.0.1:%d", kubeadmconstants.EtcdMetricsPort),
"--advertise-client-urls=https://10.0.1.10:2379",
@ -260,6 +263,7 @@ func TestGetEtcdCommand(t *testing.T) {
expected: []string{
"etcd",
"--name=foo",
"--experimental-initial-corrupt-check=true",
fmt.Sprintf("--listen-client-urls=https://[::1]:%d,https://[2001:db8::3]:%d", kubeadmconstants.EtcdListenClientPort, kubeadmconstants.EtcdListenClientPort),
fmt.Sprintf("--listen-metrics-urls=http://[::1]:%d", kubeadmconstants.EtcdMetricsPort),
fmt.Sprintf("--advertise-client-urls=https://[2001:db8::3]:%d", kubeadmconstants.EtcdListenClientPort),