Ben Hartshorne maplebed
maplebed
/ zookeeper distributed lock example.rb
Last active
December 12, 2015 01:39
— forked from isterin/gist:1328677
This gist (forked from https://gist.github.com/1328677) shows a simple example of using zookeeper to create a distributed lock. Run multiple instances of this script to see them fighting for the lock.
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| require 'zookeeper' | |
| class Lock | |
| def initialize(host, root="/my-app") | |
| @zk = Zookeeper.new(host) | |
| @root = root | |
| end | |
| def with_lock(app, timeout, timeout_callback, &block) | |
| new_lock_res = @zk.create(:path => "#{@root}/#{app}-", :sequence => true, :ephemeral => true) |