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consul-docker-test

Terraform Modules and Examples to help with setting up test Consul clusters in Docker.

Modules

There is a server module as well as a client module for configuring servers and clients within a datacenter respectively. The server module has two important outputs join and wan_join. These can be used as extra_args to further invocations of these modules to cause other clients or servers to join the cluster properly.

Examples

  • simple-with-ui - Runs a single 3 server DC + 1 client agent with the UI enabled. The UI client will be port mapped so that 8500/8600 are available outside the container.

  • multi-dc - Runs two datacenters (primary, secondary). Each DC has 3 servers and 1 client with the UI enabled. The primary UI/DNS will be on 8500/8600 and the secondary on 8501/8601. This setup uses 3 docker networks (primary, secondary, wan). The client agents only are connected to either the primary or secondary and servers get connect to one of those + wan. Cross-DC communications happen over the wan network.

  • mesh-gateway - This starts out as multi-dc but then adds a bunch more. See the README