Docs: vtctldclient OnlineDDL cancel|complete|launch (#1572)

Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>

content/en/docs/18.0/reference/programs/vtctldclient/vtctldclient_OnlineDDL/_index.md

@@ -22,7 +22,10 @@ Operates on online DDL (schema migrations).
 ### SEE ALSO
 
 * [vtctldclient](../)	 - Executes a cluster management command on the remote vtctld server.
+* [vtctldclient OnlineDDL cancel](./vtctldclient_onlineddl_cancel/)	 - Cancel one or all pending migrations, terminating any actively running ones.
 * [vtctldclient OnlineDDL cleanup](./vtctldclient_onlineddl_cleanup/)	 - Mark a given schema migration ready for artifact cleanup.
+* [vtctldclient OnlineDDL complete](./vtctldclient_onlineddl_complete/)	 - Complete one or all migrations executed with `--postpone-completion`.
+* [vtctldclient OnlineDDL launch](./vtctldclient_onlineddl_launch/)	 - Launch one or all migrations executed with `--postpone-launch`.
 * [vtctldclient OnlineDDL retry](./vtctldclient_onlineddl_retry/)	 - Mark a given schema migration for retry.
 * [vtctldclient OnlineDDL show](./vtctldclient_onlineddl_show/)	 - Display information about online DDL operations.
 

content/en/docs/18.0/reference/programs/vtctldclient/vtctldclient_OnlineDDL/vtctldclient_OnlineDDL_cancel.md

@@ -0,0 +1,36 @@
+---
+title: OnlineDDL cancel
+series: vtctldclient
+---
+## vtctldclient OnlineDDL cancel
+
+Cancel one or all pending migrations, terminating any actively running ones.
+
+```
+vtctldclient OnlineDDL cancel <keyspace> <uuid|all>
+```
+
+### Examples
+
+```
+OnlineDDL cancel test_keyspace 82fa54ac_e83e_11ea_96b7_f875a4d24e90
+OnlineDDL cancel test_keyspace all
+```
+
+### Options
+
+```
+  -h, --help   help for cancel
+```
+
+### Options inherited from parent commands
+
+```
+      --action_timeout duration   timeout for the total command (default 1h0m0s)
+      --server string             server to use for connection (required)
+```
+
+### SEE ALSO
+
+* [vtctldclient OnlineDDL](../)	 - Operates on online DDL (schema migrations).
+

content/en/docs/18.0/reference/programs/vtctldclient/vtctldclient_OnlineDDL/vtctldclient_OnlineDDL_complete.md

@@ -0,0 +1,36 @@
+---
+title: OnlineDDL complete
+series: vtctldclient
+---
+## vtctldclient OnlineDDL complete
+
+Complete one or all migrations executed with `--postpone-completion`.
+
+```
+vtctldclient OnlineDDL complete <keyspace> <uuid|all>
+```
+
+### Examples
+
+```
+OnlineDDL complete test_keyspace 82fa54ac_e83e_11ea_96b7_f875a4d24e90
+OnlineDDL complete test_keyspace all
+```
+
+### Options
+
+```
+  -h, --help   help for complete
+```
+
+### Options inherited from parent commands
+
+```
+      --action_timeout duration   timeout for the total command (default 1h0m0s)
+      --server string             server to use for connection (required)
+```
+
+### SEE ALSO
+
+* [vtctldclient OnlineDDL](../)	 - Operates on online DDL (schema migrations).
+

content/en/docs/18.0/reference/programs/vtctldclient/vtctldclient_OnlineDDL/vtctldclient_OnlineDDL_launch.md

@@ -0,0 +1,36 @@
+---
+title: OnlineDDL launch
+series: vtctldclient
+---
+## vtctldclient OnlineDDL launch
+
+Launch one or all migrations executed with `--postpone-launch`.
+
+```
+vtctldclient OnlineDDL launch <keyspace> <uuid|all>
+```
+
+### Examples
+
+```
+OnlineDDL launch test_keyspace 82fa54ac_e83e_11ea_96b7_f875a4d24e90
+OnlineDDL launch test_keyspace all
+```
+
+### Options
+
+```
+  -h, --help   help for launch
+```
+
+### Options inherited from parent commands
+
+```
+      --action_timeout duration   timeout for the total command (default 1h0m0s)
+      --server string             server to use for connection (required)
+```
+
+### SEE ALSO
+
+* [vtctldclient OnlineDDL](../)	 - Operates on online DDL (schema migrations).
+