Adding services in different consul clients running on same host

I've followed the section of in Testing a Consul cluster on a single host using consul. Three consul servers are successfully added and running in same host for testing purpose. Afterwards, I've also followed the tutorial and created a consul client node4 to expose ports. Is it possible to add more services and bind to one of those consul clients ?

Solution

Use the new 'swarm mode' instead of the legacy Swarm. Swarm mode doesn't require Consul. Service discovery and key/value store is now part of the docker daemon. Here's how to create a 3 nodes High Available cluster (3 masters).

Create three nodes

docker-machine create --driver vmwarefusion node01
docker-machine create --driver vmwarefusion node02
docker-machine create --driver vmwarefusion node03

Find the ip of node01
```
docker-machine ls
```

Set one as the initial swarm master

docker $(docker-machine config node01) swarm init --advertise-addr <ip-of-node01>

Retrieve the token to let other nodes join as master

docker $(docker-machine config node01) swarm join-token manager

This will print out something like

docker swarm join \
--token SWMTKN-1-0siwp7rzqeslnhuf42d16zcwodk543l99liy0wuq1mern8s8u9-8mbsrxzu9mgfw7x6ehpxh0dof \
192.168.40.144:2377

Add the other two nodes to the swarm as masters

docker $(docker-machine config node02) swarm join \
--token SWMTKN-1-0siwp7rzqeslnhuf42d16zcwodk543l99liy0wuq1mern8s8u9-8mbsrxzu9mgfw7x6ehpxh0dof \
192.168.40.144:2377

docker $(docker-machine config node03) swarm join \
--token SWMTKN-1-0siwp7rzqeslnhuf42d16zcwodk543l99liy0wuq1mern8s8u9-8mbsrxzu9mgfw7x6ehpxh0dof \
192.168.40.144:2377

Examine the swarm
```
docker node ls
```

You should now be able to shutdown the leader node and see another pick up as manager.