From f7eae0c857f480542d82cc68de8596968a46bc84 Mon Sep 17 00:00:00 2001
From: Kazuhiro MUSASHI <simoom634@yahoo.co.jp>
Date: Tue, 7 Feb 2023 23:39:10 +0900
Subject: [PATCH] Deploy `systemd` config for `filestat_exporter`.

---
 .../system/vector-filestat_exporter.service   | 16 ++++++
 .../files/etc/vector/filestat_exporter.toml   | 55 +++++++++++++++++++
 .../filestat_exporter_setup.rb                | 19 +++++++
 3 files changed, 90 insertions(+)
 create mode 100644 cookbooks/prometheus-exporters/files/etc/systemd/system/vector-filestat_exporter.service
 create mode 100644 cookbooks/prometheus-exporters/files/etc/vector/filestat_exporter.toml

diff --git a/cookbooks/prometheus-exporters/files/etc/systemd/system/vector-filestat_exporter.service b/cookbooks/prometheus-exporters/files/etc/systemd/system/vector-filestat_exporter.service
new file mode 100644
index 0000000..5cc135d
--- /dev/null
+++ b/cookbooks/prometheus-exporters/files/etc/systemd/system/vector-filestat_exporter.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=Vector
+Documentation=https://vector.dev
+After=network-online.target
+Requires=network-online.target
+
+[Service]
+ExecStart=/usr/bin/vector --config /etc/vector/filestat_exporter.toml
+ExecReload=/bin/kill -HUP $MAINPID
+Restart=always
+StandardOutput=syslog
+StandardError=syslog
+SyslogIdentifier=vector
+
+[Install]
+WantedBy=multi-user.target
diff --git a/cookbooks/prometheus-exporters/files/etc/vector/filestat_exporter.toml b/cookbooks/prometheus-exporters/files/etc/vector/filestat_exporter.toml
new file mode 100644
index 0000000..42f47d8
--- /dev/null
+++ b/cookbooks/prometheus-exporters/files/etc/vector/filestat_exporter.toml
@@ -0,0 +1,55 @@
+data_dir = "/var/lib/vector/"
+
+[sources.filestat_exporter]
+  type = "file"
+  include = [ "/var/log/filestat_exporter.log" ]
+  ignore_older_secs = 600
+  read_from = "beginning"
+
+[transforms.filestat_exporter_transform]
+  type = "remap"
+  inputs = ["filestat_exporter"]
+  source = '''
+    . |= parse_syslog!(.message)
+
+    . |= parse_key_value!(.message)
+
+    del(.message)
+    del(.host)
+
+    .message = .msg
+    del(.msg)
+  '''
+
+[sinks.filestat_exporter_output]
+type = "file"
+inputs = [ "filestat_exporter_transform" ]
+compression = "none"
+path = "/tmp/filestat_exporter-%Y-%m-%d.log"
+
+  [sinks.filestat_exporter_output.encoding]
+  codec = "json"
+
+  [sinks.filestat_exporter_output.buffer]
+  max_size = 268435488
+  type = "disk"
+
+[sinks.filestat_exporter_loki]
+type = "loki"
+inputs = [ "filestat_exporter_transform" ]
+endpoint = "http://loki.service.consul:3100"
+compression = "snappy"
+
+  [sinks.filestat_exporter_loki.labels]
+  level = "{{ level }}"
+  hostname = "{{ hostname }}"
+  job = "filestat_exporter"
+  filename = "/var/log/filestat_exporter.log"
+
+  [sinks.filestat_exporter_loki.encoding]
+  codec = "json"
+
+  [sinks.filestat_exporter_loki.buffer]
+  max_size = 268435488
+  type = "disk"
+
diff --git a/cookbooks/prometheus-exporters/filestat_exporter_setup.rb b/cookbooks/prometheus-exporters/filestat_exporter_setup.rb
index 7f8bf1c..780dfaa 100644
--- a/cookbooks/prometheus-exporters/filestat_exporter_setup.rb
+++ b/cookbooks/prometheus-exporters/filestat_exporter_setup.rb
@@ -38,6 +38,25 @@ remote_file '/etc/logrotate.d/filestat_exporter' do
   mode '644'
 end
 
+# Deploy `vector` config:
+remote_file '/etc/vector/filestat_exporter.toml' do
+  owner 'root'
+  group 'root'
+  mode  '0644'
+
+  notifies :restart, 'service[vector-filestat_exporter]'
+end
+
+remote_file '/etc/systemd/system/vector-filestat_exporter.service' do
+  owner 'root'
+  group 'root'
+  mode  '0644'
+end
+
+service 'vector-filestat_exporter' do
+  action [:enable, :start]
+end
+
 # Deploy `consul` config for `filestat_exporter`:
 remote_file '/etc/consul.d/service-filestat_exporter.json' do
   owner 'consul'