s21g/boss repository overview

⁠boss

Boss for docker services

USAGE

• start the service.

  docker service create --name boss -p 21081:21081 \
    --constraint node.role==manager \
    --mount type=bind,src=/var/run/docker.sock,dst=/var/run/docker.sock \
    s21g/boss
  

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• Notify the addition of a worker node to the boss from the startup script of VM instance.

  curl http://localhost:21081/update/<service-name>
  

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• Boss spins up and down number of replicas to rebalance tasks amoung swarm cluster.

• Notify the removal of a worker node to the boss from the shutdown script of VM instance.

  curl http://localhost:21081/drain/`hostname`
  

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  • Boss change the availability of the node to 'drain'

In addition, the boss checks periodically the node list to find downed workers to remove them.