swarm-exec

A simple tool to execute a docker command in all the swarm nodes. It uses swarm's global service mode to execute the command in all the nodes and bind-mounts docker cli and docker socket.

Building

./build.sh

Requirements

• This needs to run on a swarm manager
• Docker 1.12 or higher needs to be running on all of the hosts on your swarm

docker image

Run the image passing in the different commands.

docker service create --mode=global --restart-condition none --mount type=bind,source=/var/run/docker.sock,target=/var/run/docker.sock mavenugo/swarm-exec:17.03.0-ce docker run --net=host busybox sleep 5000

or simply

./swarm-exec.sh docker run --net=host busybox sleep 5000

Also, checkout the convenience script swarm-exec.sh