There are lots of posts about setting up CD with Jenkins and Kubernetes but I haven't found any describing how to do it with Nomad and Gitlab.
So here's how I did it…
Prometheus is really good at pulling metrics but it needs help if you want to test if a given host is up with a simple ping.
In this post I'll show you my config that gets a list of hosts from consul (plus some static hosts) and then ping them to monitor if they're up or not.
If a host goes down then fire an alert.
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I'm just standing up a full “Hashi Stack” with Consul, Nomad, and Vault so likely lots of future posts.
One part that should have been simple but took lots of trial and error was getting authentication to work to our FreeIPA installation.
Here are the steps required (assumes vault and freeipa already installed and working)…
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