Systemd Hashcorp Nomad

Scripts and config to provision Hashistack on systemd systems using cloud-init.

Includes:

• docker
• cni plugins
• consul
• nomad

It can be used as a reference, as a terraform module (maybe...) or to generate and use cloud-init using terraform.

To do:

• vault

Cloud-init

Testing local

You can test using multipass and terraform.

To launch server:

make launch-server

To launch client:

make launch-client

To see IPs and machines:

make list

More information

• We setup max_map_count and max open files (fs.file-max)
• We create a docker network called just network
• The docker internal network will be 10.2.2.0/24
• The docker network will have host exposed to the containers at 10.2.2.1
• Connect is enabled on consul
• The machine default DNS is set as rescursive DNS on consul
• Nomad has prometheus metrics endpoint enabled
• Nomad have docker privilieged and raw exec enabled
• Nomad is connect enabled
• Set client or server vars accordingly
• Set bootstrap_expect var only on first manager
• It is all managed on systemd
• Use "join" var to set a seed node ip or cloud auto join string

License

MIT