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June 24, 2019 12:04
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Docker swarm creation script
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| #!/bin/bash | |
| MANAGER=${1:-2} | |
| WORKER=${2:-3} | |
| #========================= | |
| # Creating cluster members | |
| #========================= | |
| echo "### Creating $MANAGER managers" | |
| echo "### Creating $WORKER workers" | |
| for i in $(seq 1 $MANAGER); do | |
| docker-machine create --driver virtualbox swarm-manager$i | |
| done | |
| for i in $(seq 1 $WORKER); do | |
| docker-machine create --driver virtualbox swarm-worker$i | |
| done | |
| #=============== | |
| # Starting swarm | |
| #=============== | |
| MANAGER_IP=$(docker-machine ip swarm-manager1) | |
| echo "### Initializing main master: swarm-manager$i" | |
| docker-machine ssh swarm-manager1 docker swarm init \ | |
| --advertise-addr $MANAGER_IP | |
| #=============== | |
| # Adding members | |
| #=============== | |
| MANAGER_TOKEN=$(docker-machine ssh swarm-manager1 docker swarm join-token --quiet manager) | |
| WORKER_TOKEN=$(docker-machine ssh swarm-manager1 docker swarm join-token --quiet worker) | |
| for i in $(seq 2 $MANAGER); do | |
| echo "### Joining manager: swarm-manager$i" | |
| docker-machine ssh swarm-manager$i docker swarm join \ | |
| --token $MANAGER_TOKEN \ | |
| $MANAGER_IP:2377 | |
| done | |
| for i in $(seq 1 $WORKER); do | |
| echo "### Joining worker: swarm-manager$i" | |
| docker-machine ssh swarm-worker$i docker swarm join \ | |
| --token $WORKER_TOKEN \ | |
| $MANAGER_IP:2377 | |
| done | |
| docker-machine ssh swarm-manager1 docker node ls | |
| echo "### Join your client to the cluster using:" | |
| echo " eval \$(docker-machine env swarm-manager1)" | |
| echo "### or run using:" | |
| echo " docker-machine ssh swarm-manager1 docker node ls" |
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Maybe the docker command and the driver should be overridable with env variables?