From 3aa5a8bb0941564b37c6ba53c0446e804326f353 Mon Sep 17 00:00:00 2001
From: Kazuhiro MUSASHI <simoom634@yahoo.co.jp>
Date: Sun, 25 Oct 2020 00:16:55 +0900
Subject: [PATCH] Deploy the `systemd` config for monitoring `snmp_exporter`
 logs.

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

diff --git a/cookbooks/prometheus/files/lib/systemd/system/promtail-snmp_exporter.service b/cookbooks/prometheus/files/lib/systemd/system/promtail-snmp_exporter.service
new file mode 100644
index 0000000..0fbf1ab
--- /dev/null
+++ b/cookbooks/prometheus/files/lib/systemd/system/promtail-snmp_exporter.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Grafana Promtail for snmp_exporter
+Documentation=https://github.com/grafana/loki
+After=network-online.target
+
+[Service]
+User=root
+Restart=always
+ExecStart=/usr/local/bin/promtail --config.file=/etc/promtail/snmp_exporter.yaml
+
+[Install]
+WantedBy=multi-user.target
diff --git a/cookbooks/prometheus/snmp_exporter_setup.rb b/cookbooks/prometheus/snmp_exporter_setup.rb
index b35f865..f20aea8 100644
--- a/cookbooks/prometheus/snmp_exporter_setup.rb
+++ b/cookbooks/prometheus/snmp_exporter_setup.rb
@@ -36,3 +36,15 @@ template '/etc/promtail/snmp_exporter.yaml' do
 
   notifies :restart, 'service[promtail-prometheus]'
 end
+
+# Deploy the `systemd` configuration:
+remote_file '/lib/systemd/system/promtail-snmp_exporter.service' do
+  owner 'root'
+  group 'root'
+  mode '644'
+end
+
+# Service setting:
+service 'promtail-snmp_exporter' do
+  action [ :enable, :restart ]
+end