znode – Create, delete, retrieve, and update znodes using ZooKeeper

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Ansible/docs/2.7/modules/znode module


znode – Create, delete, retrieve, and update znodes using ZooKeeper

New in version 2.0.


Synopsis

  • Create, delete, retrieve, and update znodes using ZooKeeper.

Requirements

The below requirements are needed on the host that executes this module.

  • kazoo >= 2.1
  • python >= 2.6

Parameters

Parameter Choices/Defaults Comments

hosts

- / required

A list of ZooKeeper servers (format '[server]:[port]').

name

- / required

The path of the znode.

op

-

An operation to perform. Mutually exclusive with state.

recursive

boolean

added in 2.1

  • no

  • yes

Recursively delete node and all its children.

state

-

The state to enforce. Mutually exclusive with op.

timeout

-

Default:

300

The amount of time to wait for a node to appear.

value

-

The value assigned to the znode.



Examples

# Creating or updating a znode with a given value
- znode:
    hosts: 'localhost:2181'
    name: /mypath
    value: myvalue
    state: present

# Getting the value and stat structure for a znode
- znode:
    hosts: 'localhost:2181'
    name: /mypath
    op: get

# Listing a particular znode's children
- znode:
    hosts: 'localhost:2181'
    name: /zookeeper
    op: list

# Waiting 20 seconds for a znode to appear at path /mypath
- znode:
    hosts: 'localhost:2181'
    name: /mypath
    op: wait
    timeout: 20

# Deleting a znode at path /mypath
- znode:
    hosts: 'localhost:2181'
    name: /mypath
    state: absent

# Creating or updating a znode with a given value on a remote Zookeeper
- znode:
    hosts: 'my-zookeeper-node:2181'
    name: /mypath
    value: myvalue
    state: present
  delegate_to: 127.0.0.1

Status

Authors

  • Trey Perry (@treyperry)

Hint

If you notice any issues in this documentation you can edit this document to improve it.


© 2012–2018 Michael DeHaan
© 2018–2019 Red Hat, Inc.
Licensed under the GNU General Public License version 3.
https://docs.ansible.com/ansible/2.7/modules/znode_module.html