Documentation

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
(added in 2.1)
    Choices:
  • 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

This module is flagged as preview which means that it is not guaranteed to have a backwards compatible interface.

Author

  • Trey Perry (@treyperry)

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