From d824d6afc8dfcbc79b9a4994659c40d5894fb11c Mon Sep 17 00:00:00 2001
From: Kazuhiro MUSASHI <simoom634@yahoo.co.jp>
Date: Mon, 10 Jan 2022 15:11:33 +0900
Subject: [PATCH] Add `systemd` config for `Promtail` monitoring `nomad`.

---
 .../files/lib/systemd/system/promtail-nomad.service  | 12 ++++++++++++
 cookbooks/nomad/setup.rb                             | 12 ++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 cookbooks/nomad/files/lib/systemd/system/promtail-nomad.service

diff --git a/cookbooks/nomad/files/lib/systemd/system/promtail-nomad.service b/cookbooks/nomad/files/lib/systemd/system/promtail-nomad.service
new file mode 100644
index 0000000..a093d6f
--- /dev/null
+++ b/cookbooks/nomad/files/lib/systemd/system/promtail-nomad.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Grafana Promtail
+Documentation=https://github.com/grafana/loki
+After=network-online.target
+
+[Service]
+User=root
+Restart=always
+ExecStart=/usr/local/bin/promtail --config.file=/etc/promtail/nomad.yaml
+
+[Install]
+WantedBy=multi-user.target
diff --git a/cookbooks/nomad/setup.rb b/cookbooks/nomad/setup.rb
index d18026f..a2a5bcd 100644
--- a/cookbooks/nomad/setup.rb
+++ b/cookbooks/nomad/setup.rb
@@ -79,3 +79,15 @@ template '/etc/promtail/nomad.yaml' do
 
   notifies :restart, 'service[promtail-nomad]'
 end
+
+# Deploy the `systemd` configuration:
+remote_file '/lib/systemd/system/promtail-nomad.service' do
+  owner 'root'
+  group 'root'
+  mode '644'
+end
+
+# Service setting:
+service 'promtail-nomad' do
+  action [ :enable, :restart ]
+end