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Not associated with CloudFlare but I've built similar stuff with Nomad. The cost/maintenance trade-off works when you have more SPOF management hosts than Noma
by dmwilcox 6y ago
Not associated with CloudFlare but I've built similar stuff with Nomad.
The cost/maintenance trade-off works when you have more SPOF management hosts than Nomad servers (5). You decrease host images down to 2, Nomad server and client, versus N management images.
Though it does sound a bit like they're using config management rather than pre-build images.
Bonus, Nomad servers are more failure resistant using Raft consensus versus any N management hosts. And for discovery I found the optimal pattern is to put all of the Nomad servers in a "cluster" A record for clients to easily join (pattern works well for Consul too)