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etcdctl: fix move-leader for multiple endpoints

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Due to a duplicate call of clientConfigFromCmd, the move-leader command
would fail with "conflicting environment variable is shadowed by corresponding command-line flag".
Also in scenarios where no command-line flag was supplied.

Signed-off-by: Thomas Jungblut <tjungblu@redhat.com>
This commit is contained in:
Thomas Jungblut 2022-09-08 11:20:15 +02:00
parent 204c0319a1
commit 243b7a125b
2 changed files with 30 additions and 9 deletions
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4
etcdctl/ctlv3/command/move_leader_command.go
View File

@ -43,7 +43,8 @@ func transferLeadershipCommandFunc(cmd *cobra.Command, args []string) {
cobrautl.ExitWithError(cobrautl.ExitBadArgs, err)
}
c := mustClientFromCmd(cmd)
cfg := clientConfigFromCmd(cmd)
c := cfg.mustClient()
eps := c.Endpoints()
c.Close()
@ -53,7 +54,6 @@ func transferLeadershipCommandFunc(cmd *cobra.Command, args []string) {
var leaderCli *clientv3.Client
var leaderID uint64
for _, ep := range eps {
cfg := clientConfigFromCmd(cmd)
cfg.endpoints = []string{ep}
cli := cfg.mustClient()
resp, serr := cli.Status(ctx, ep)

35
tests/e2e/ctl_v3_move_leader_test.go
View File

@ -27,15 +27,31 @@ import (
"go.etcd.io/etcd/client/v3"
)
func TestCtlV3MoveLeaderSecure(t *testing.T) {
testCtlV3MoveLeader(t, *newConfigTLS())
func TestCtlV3MoveLeaderScenarios(t *testing.T) {
securityParent := map[string]struct {
cfg etcdProcessClusterConfig
}{
"Secure": {cfg: *newConfigTLS()},
"Insecure": {cfg: *newConfigNoTLS()},
}
tests := map[string]struct {
env map[string]string
}{
"happy path": {env: map[string]string{}},
"with env": {env: map[string]string{"ETCDCTL_ENDPOINTS": "something-else-is-set"}},
}
for testName, tc := range securityParent {
for subTestName, tx := range tests {
t.Run(testName+" "+subTestName, func(t *testing.T) {
testCtlV3MoveLeader(t, tc.cfg, tx.env)
})
}
}
}
func TestCtlV3MoveLeaderInsecure(t *testing.T) {
testCtlV3MoveLeader(t, *newConfigNoTLS())
}
func testCtlV3MoveLeader(t *testing.T, cfg etcdProcessClusterConfig) {
func testCtlV3MoveLeader(t *testing.T, cfg etcdProcessClusterConfig, envVars map[string]string) {
BeforeTest(t)
epc := setupEtcdctlTest(t, &cfg, true)
@ -94,6 +110,7 @@ func testCtlV3MoveLeader(t *testing.T, cfg etcdProcessClusterConfig) {
cfg: *newConfigNoTLS(),
dialTimeout: 7 * time.Second,
epc: epc,
envMap: envVars,
}
tests := []struct {
@ -108,6 +125,10 @@ func testCtlV3MoveLeader(t *testing.T, cfg etcdProcessClusterConfig) {
[]string{cx.epc.EndpointsV3()[leadIdx]},
fmt.Sprintf("Leadership transferred from %s to %s", types.ID(leaderID), types.ID(transferee)),
},
{ // request to all endpoints
cx.epc.EndpointsV3(),
fmt.Sprintf("Leadership transferred"),
},
}
for i, tc := range tests {
prefix := cx.prefixArgs(tc.eps)