Merge pull request #8775 from marcovc/master

etcdctl/v3: add lease keep-alive --once flag
This commit is contained in:
Xiang Li 2017-10-27 14:58:59 -07:00 committed by GitHub
commit d75a6a39f5
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2 changed files with 49 additions and 2 deletions

View File

@ -24,6 +24,7 @@ import (
func TestCtlV3LeaseGrantTimeToLive(t *testing.T) { testCtl(t, leaseTestGrantTimeToLive) }
func TestCtlV3LeaseGrantLeases(t *testing.T) { testCtl(t, leaseTestGrantLeasesList) }
func TestCtlV3LeaseKeepAlive(t *testing.T) { testCtl(t, leaseTestKeepAlive) }
func TestCtlV3LeaseKeepAliveOnce(t *testing.T) { testCtl(t, leaseTestKeepAliveOnce) }
func TestCtlV3LeaseRevoke(t *testing.T) { testCtl(t, leaseTestRevoke) }
func leaseTestGrantTimeToLive(cx ctlCtx) {
@ -89,6 +90,23 @@ func leaseTestKeepAlive(cx ctlCtx) {
}
}
func leaseTestKeepAliveOnce(cx ctlCtx) {
// put with TTL 10 seconds and keep-alive once
leaseID, err := ctlV3LeaseGrant(cx, 10)
if err != nil {
cx.t.Fatalf("leaseTestKeepAlive: ctlV3LeaseGrant error (%v)", err)
}
if err := ctlV3Put(cx, "key", "val", leaseID); err != nil {
cx.t.Fatalf("leaseTestKeepAlive: ctlV3Put error (%v)", err)
}
if err := ctlV3LeaseKeepAliveOnce(cx, leaseID); err != nil {
cx.t.Fatalf("leaseTestKeepAlive: ctlV3LeaseKeepAliveOnce error (%v)", err)
}
if err := ctlV3Get(cx, []string{"key"}, kv{"key", "val"}); err != nil {
cx.t.Fatalf("leaseTestKeepAlive: ctlV3Get error (%v)", err)
}
}
func leaseTestRevoke(cx ctlCtx) {
// put with TTL 10 seconds and revoke
leaseID, err := ctlV3LeaseGrant(cx, 10)
@ -143,6 +161,20 @@ func ctlV3LeaseKeepAlive(cx ctlCtx, leaseID string) error {
return proc.Stop()
}
func ctlV3LeaseKeepAliveOnce(cx ctlCtx, leaseID string) error {
cmdArgs := append(cx.PrefixArgs(), "lease", "keep-alive", "--once", leaseID)
proc, err := spawnCmd(cmdArgs)
if err != nil {
return err
}
if _, err = proc.Expect(fmt.Sprintf("lease %s keepalived with TTL(", leaseID)); err != nil {
return err
}
return proc.Stop()
}
func ctlV3LeaseRevoke(cx ctlCtx, leaseID string) error {
cmdArgs := append(cx.PrefixArgs(), "lease", "revoke", leaseID)
return spawnWithExpect(cmdArgs, fmt.Sprintf("lease %s revoked", leaseID))

View File

@ -150,15 +150,21 @@ func leaseListCommandFunc(cmd *cobra.Command, args []string) {
display.Leases(*resp)
}
var (
leaseKeepAliveOnce bool
)
// NewLeaseKeepAliveCommand returns the cobra command for "lease keep-alive".
func NewLeaseKeepAliveCommand() *cobra.Command {
lc := &cobra.Command{
Use: "keep-alive <leaseID>",
Use: "keep-alive [options] <leaseID>",
Short: "Keeps leases alive (renew)",
Run: leaseKeepAliveCommandFunc,
}
lc.Flags().BoolVar(&leaseKeepAliveOnce, "once", false, "Resets the keep-alive time to its original value and exits immediately")
return lc
}
@ -169,11 +175,20 @@ func leaseKeepAliveCommandFunc(cmd *cobra.Command, args []string) {
}
id := leaseFromArgs(args[0])
if leaseKeepAliveOnce {
respc, kerr := mustClientFromCmd(cmd).KeepAliveOnce(context.TODO(), id)
if kerr != nil {
ExitWithError(ExitBadConnection, kerr)
}
display.KeepAlive(*respc)
return
}
respc, kerr := mustClientFromCmd(cmd).KeepAlive(context.TODO(), id)
if kerr != nil {
ExitWithError(ExitBadConnection, kerr)
}
for resp := range respc {
display.KeepAlive(*resp)
}