See also:
See `lib/zookeeper/zoo.cfg
Look for "zookeeper" in:
config/settings/{stage}.yml
config/deploy/{stage}.yml
$ bundle exec cap -T | grep zoo
cap zookeeper:nodes:check_settings # List settings in this project
cap zookeeper:nodes:create # Create nodes
cap zookeeper:nodes:etc_hosts_private # Compose entries for /etc/hosts using private IPs
cap zookeeper:nodes:etc_hosts_public # Compose entries for /etc/hosts using public IPs
cap zookeeper:nodes:find # Find and describe all nodes
cap zookeeper:nodes:ssh_config_private # Compose private entries for ~/.ssh/config for nodes
cap zookeeper:nodes:ssh_config_public # Compose public entries for ~/.ssh/config for nodes
cap zookeeper:nodes:terminate # Terminate nodes
cap zookeeper:service:command[cmd] # Zookeeper 4-letter commands
cap zookeeper:service:configure # Configure service
cap zookeeper:service:connections # Compose connection string
cap zookeeper:service:install # Install service
cap zookeeper:service:restart # Restart service
cap zookeeper:service:start # Start service
cap zookeeper:service:status # Status of service
cap zookeeper:service:stop # Stop service
cap zookeeper:service:upgrade # Upgrade service
cap zookeeper:service:zoo_cfg # Compose entries for zoo.cfg
cap zoonavigator:service:connections # Zookeeper connections
cap zoonavigator:service:install # Install service
$ AWS_ENV=test bundle exec cap test zookeeper:service:command['ruok']
00:00 zookeeper:service:command
01 echo 'ruok' | nc localhost 2181
01 imok
✔ 01 ubuntu@test_zookeeper3 0.670s
01 imok
✔ 01 ubuntu@test_zookeeper2 0.677s
01 imok
✔ 01 ubuntu@test_zookeeper1 0.796s
$ AWS_ENV=test bundle exec cap test zookeeper:service:command['srvr']
00:00 zookeeper:service:command
01 echo 'srvr' | nc localhost 2181
01 Zookeeper version: 3.4.8-1--1, built on Fri, 26 Feb 2016 14:51:43 +0100
01 Latency min/avg/max: 0/4/55
01 Received: 43
01 Sent: 42
01 Connections: 1
01 Outstanding: 0
01 Zxid: 0x100000018
01 Mode: follower
01 Node count: 4
✔ 01 ubuntu@test_zookeeper1 0.674s
01 Zookeeper version: 3.4.8-1--1, built on Fri, 26 Feb 2016 14:51:43 +0100
01 Latency min/avg/max: 0/2/15
01 Received: 33
01 Sent: 32
01 Connections: 1
01 Outstanding: 0
01 Zxid: 0x100000018
01 Mode: follower
01 Node count: 4
✔ 01 ubuntu@test_zookeeper2 0.689s
01 Zookeeper version: 3.4.8-1--1, built on Fri, 26 Feb 2016 14:51:43 +0100
01 Latency min/avg/max: 0/2/6
01 Received: 26
01 Sent: 25
01 Connections: 1
01 Outstanding: 0
01 Zxid: 0x100000018
01 Mode: leader
01 Node count: 4
✔ 01 ubuntu@test_zookeeper3 0.696s
$ AWS_ENV=test bundle exec cap test zookeeper:nodes:etc_hosts_public
34.209.72.7 test_zookeeper1
34.213.183.106 test_zookeeper2
54.201.53.78 test_zookeeper3
# include zookeeper-shell examples
zookeeper-shell.sh localhost:2181
# display help
help
# display root
ls /
create /my-node "foo"
ls /
get /my-node
get /zookeeper
create /my-node/deeper-node "bar"
ls /
ls /my-node
ls /my-node/deeper-node
get /my-node/deeper-node
# update data version to see increased version counter
set /my-node/deeper-node "newdata"
get /my-node/deeper-node
# removes are recursive
rmr /my-node
ls /
# create a watcher
create /node-to-watch ""
get /node-to-watch true
set /node-to-watch "has-changed"
rmr /node-to-watch