feat: add nomad profile/role

- add basic consul manage nomad servers
2024-12-21 23:41:52 +11:00
parent c97db0f0aa
commit 354d0bef63
5 changed files with 220 additions and 0 deletions
@@ -0,0 +1,39 @@
+# data_dir tends to be environment specific.
+data_dir = "<%= @data_dir %>"
+bind_addr = "0.0.0.0"
+datacenter = "<%= scope['facts']['country'] %>-<%= scope['facts']['region'] %>"
+
+<% if @server -%>
+# Manage Servers
+advertise {
+  http = "<%= @facts['networking']['ip'] %>"
+  rpc = "<%= @facts['networking']['ip'] %>"
+  serf = "<%= @facts['networking']['ip'] %>"
+}
+
+server {
+  enabled          = true
+  bootstrap_expect = <%= @bootstrap_expect %>
+}
+<% end -%>
+
+<% if @client -%>
+# Manage clients/agents
+client {
+  enabled = true
+}
+<% end -%>
+
+# Require TLS
+tls {
+  http = true
+  rpc  = true
+
+  ca_file   = "/etc/pki/ca-trust/source/anchors/vaultcaroot.pem"
+  cert_file = "/etc/pki/tls/vault/certificate.crt"
+  key_file  = "/etc/pki/tls/vault/private.key"
+
+  verify_server_hostname = true
+  verify_https_client    = false
+}
+
@@ -0,0 +1,67 @@
+[Unit]
+Description=Nomad
+Documentation=https://nomadproject.io/docs/
+Wants=network-online.target
+After=network-online.target
+
+# When using Nomad with Consul it is not necessary to start Consul first. These
+# lines start Consul before Nomad as an optimization to avoid Nomad logging
+# that Consul is unavailable at startup.
+Wants=consul.service
+After=consul.service
+
+## Configure unit start rate limiting. Units which are started more than
+## *burst* times within an *interval* time span are not permitted to start any
+## more. Use `StartLimitIntervalSec` or `StartLimitInterval` (depending on
+## systemd version) to configure the checking interval and `StartLimitBurst`
+## to configure how many starts per interval are allowed. The values in the
+## commented lines are defaults.
+
+# StartLimitBurst = 5
+
+## StartLimitIntervalSec is used for systemd versions >= 230
+# StartLimitIntervalSec = 10s
+
+## StartLimitInterval is used for systemd versions < 230
+# StartLimitInterval = 10s
+
+[Service]
+
+# Nomad clients need to be run as "root" whereas Nomad servers should be run as
+# the "nomad" user. Please change this if needed.
+<% if @server -%>
+User=<%= @user %>
+Group=<%= @group %>
+<% else -%>
+User=root
+Group=root
+<% end -%>
+
+Type=notify
+EnvironmentFile=-/etc/nomad.d/nomad.env
+ExecReload=/bin/kill -HUP $MAINPID
+ExecStart=/usr/bin/nomad agent -config /etc/nomad.d/config.hcl
+KillMode=process
+KillSignal=SIGINT
+LimitNOFILE=65536
+LimitNPROC=infinity
+Restart=on-failure
+RestartSec=2
+
+TasksMax=infinity
+
+# Nomad Server agents should never be force killed,
+# so here we disable OOM (out of memory) killing for this unit.
+# However, you may wish to change this for Client agents, since
+# the workloads that Nomad places may be more important
+# than the Nomad agent itself.
+OOMScoreAdjust=-1000
+
+# To facilitate debugging when a service fails to stop cleanly,
+# TimeoutStopFailureMode=abort is set to "crash" services that fail to stop in
+# the time allotted. This will cause the service to be terminated with SIGABRT
+# and a coredump to be generated.
+TimeoutStopFailureMode=abort
+
+[Install]
+WantedBy=multi-user.target