vault backup: 2024-10-07 14:53:40

IT/Hashicorp Nomad.md

@@ -32,8 +32,8 @@ https://developer.hashicorp.com/nomad/tutorials/get-started/gs-install#install-t
 
 ## Creating a single node cluster
 <https://stackoverflow.com/questions/56112422/nomad-configuration-for-single-node-to-act-as-production-server-and-client>
-
-Create a config file with in `/etc/nomad.d` named `config.hcl`:
+1. Install the `nomad` binary.
+2. Create a config file with in `/etc/nomad.d` named `config.hcl`:
 ```hcl
 # https://developer.hashicorp.com/nomad/docs/configuration
 # The client block configures the Nomad agent to accept jobs as assigned
@@ -42,14 +42,40 @@ Create a config file with in `/etc/nomad.d` named `config.hcl`:
 client {
   enabled = true
 }
+# https://developer.hashicorp.com/nomad/docs/configuration/server
 server {
   enabled = true
+  # The number of server nodes to wait for before bootstrapping.
   bootstrap_expect = 1
 }
 # The local directory where agent state is stored. 
 data_dir = "/opt/nomad"
 name =  "YOUR_NOMAD_NAME_HERE"
 ```
+3. Create a Linux service `nomad.service` inside `/etc/systemd/system`:
+```systemd
+[Unit]
+Description=Nomad
+Documentation=https://nomadproject.io/docs/
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+ExecReload=/bin/kill -HUP $MAINPID
+ExecStart=/usr/local/bin/nomad agent -config /etc/nomad.d
+KillMode=process
+KillSignal=SIGINT
+LimitNOFILE=infinity
+LimitNPROC=infinity
+Restart=on-failure
+RestartSec=2
+StartLimitBurst=3
+TasksMax=infinity
+
+[Install]
+WantedBy=multi-user.target
+```
+4. Start the service with `sudo systemctl enable nomad && sudo systemctl start nomad`.
 # Resources
 - <https://developer.hashicorp.com/nomad/tutorials/get-started/gs-overview>
 - <https://developer.hashicorp.com/nomad/docs/drivers>