timothy65535 opened a new pull request #826:
URL: https://github.com/apache/incubator-kyuubi/pull/826
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### _Why are the changes needed?_
For more details, please go to #775
Hi @yaooqinn @pan3793,
Here's the patch base on JCommander in scala, please point out if the scala
grammar is not used correctly.
The following usage is generated from JCommander, I think it seems a bit
long for users, we can discuss it here.
By the way, we can use the format of bookkeeper-ctl‘s usage.
Thanks.
```
Usage: kyuubi-ctl <server|engine> <create|get|delete|list> [options]
[ ENGINE ]
get
-s, --host Hostname or IP address of a service.
-u, --user The user name this engine belong to.
-n, --namespace The namespace, using kyuubi-defaults/conf if absent.
-p, --port Listening port of a service.
-zk, --zk-quorum The connection string for the zookeeper ensemble, using
zk quorum manually.
-h, --help
delete
-zk, --zk-quorum The connection string for the zookeeper ensemble, using
zk quorum manually.
-n, --namespace The namespace, using kyuubi-defaults/conf if absent.
-p, --port Listening port of a service.
-s, --host Hostname or IP address of a service.
-u, --user The user name this engine belong to.
-h, --help
list
-zk, --zk-quorum The connection string for the zookeeper ensemble, using
zk quorum manually.
-p, --port Listening port of a service.
-n, --namespace The namespace, using kyuubi-defaults/conf if absent.
-u, --user The user name this engine belong to.
-s, --host Hostname or IP address of a service.
-h, --help
[ SERVER ]
create
-s, --host Hostname or IP address of a service.
-n, --namespace The namespace, using kyuubi-defaults/conf if absent.
-zk, --zk-quorum The connection string for the zookeeper ensemble, using
zk quorum manually.
-p, --port Listening port of a service.
-h, --help
get
-n, --namespace The namespace, using kyuubi-defaults/conf if absent.
-s, --host Hostname or IP address of a service.
-p, --port Listening port of a service.
-zk, --zk-quorum The connection string for the zookeeper ensemble, using
zk quorum manually.
-h, --help
delete
-s, --host Hostname or IP address of a service.
-n, --namespace The namespace, using kyuubi-defaults/conf if absent.
-zk, --zk-quorum The connection string for the zookeeper ensemble, using
zk quorum manually.
-p, --port Listening port of a service.
-h, --help
list
-p, --port Listening port of a service.
-zk, --zk-quorum The connection string for the zookeeper ensemble, using
zk quorum manually.
-s, --host Hostname or IP address of a service.
-n, --namespace The namespace, using kyuubi-defaults/conf if absent.
-h, --help
```
### BooKKeeper CTL Usage
#### 1. Totoal Usage
```
[bookkeeper-all-4.13.0]$ bin/bkctl
bkctl interacts and operates Apache BookKeeper clusters
Usage: bkctl [flags] [command group] [commands]
cookie Commands on operating cookies
Infrastructure commands :
autorecovery Command on some specific operation.
bookie Commands on operating a single bookie
bookieid Commands operating on bookie ids
bookies Commands on operating a cluster of bookies
cluster Commands on administrating bookkeeper clusters
```
#### 2. When choose one command
````
[bookkeeper-all-4.13.0]$ bin/bkctl bookie
Commands on operating a single bookie
Usage: bkctl bookie [command] [command options]
Commands:
converttodbstorage Convert bookie indexes
from
InterleavedStorage to
DbLedgerStorage format
converttointerleavedstorage Convert bookie indexes
from
DbLedgerStorage to
InterleavedStorage
format
endpointinfo Get all end point
information about a
given bookie.
flip-bookie-id Update bookie id in
ledgers
(this may take a long
time).
format Format the current server
````
### _How was this patch tested?_
- [X] Add some test cases that check the changes thoroughly including
negative and positive cases if possible
- [ ] Add screenshots for manual tests if appropriate
- [ ] [Run
test](https://kyuubi.readthedocs.io/en/latest/tools/testing.html#running-tests)
locally before make a pull request
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