Clustercron

Clustercron is cronjob wrapper that tries to ensure that a script gets run only once, on one host from a pool of nodes of a specified loadbalancer. Clustercron select a master from all nodes and will run the cronjob only on that node.

• Free software: ISC license
• Documentation: https://clustercron.readthedocs.org/en/latest/

Features

Supported load balancers (till now):

• AWS Elastic Load Balancing (ELB)
• AWS Elastic Load Balancing v2 (ALB)