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etcdctl: document watch with ETCDCTL_WATCH_*

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-01-14 01:46:21 -08:00
parent 7e2759da8d
commit d37afffb98
1 changed files with 51 additions and 0 deletions
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51
etcdctl/README.md
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@ -378,6 +378,13 @@ watch [options] <key or prefix>\n
# bar
```
```bash
ETCDCTL_WATCH_KEY=foo ./etcdctl watch
# PUT
# foo
# bar
```
Receive events and execute `echo watch event received`:
```bash
@ -388,6 +395,27 @@ Receive events and execute `echo watch event received`:
# watch event received
```
Watch with environmental variables and execute `echo watch event received`:
```bash
export ETCDCTL_WATCH_KEY=foo
./etcdctl watch -- echo watch event received
# PUT
# foo
# bar
# watch event received
```
```bash
export ETCDCTL_WATCH_KEY=foo
export ETCDCTL_WATCH_RANGE_END=foox
./etcdctl watch -- echo watch event received
# PUT
# fob
# bar
# watch event received
```
##### Interactive
```bash
@ -413,6 +441,29 @@ watch foo -- echo watch event received
# watch event received
```
Watch with environmental variables and execute `echo watch event received`:
```bash
export ETCDCTL_WATCH_KEY=foo
./etcdctl watch -i
watch -- echo watch event received
# PUT
# foo
# bar
# watch event received
```
```bash
export ETCDCTL_WATCH_KEY=foo
export ETCDCTL_WATCH_RANGE_END=foox
./etcdctl watch -i
watch -- echo watch event received
# PUT
# fob
# bar
# watch event received
```
### LEASE \<subcommand\>
LEASE provides commands for key lease management.