Deploy `filestat_exporter`.

cookbooks/prometheus/attributes.rb

@@ -38,4 +38,11 @@ node.reverse_merge!({
     'storage' => '/opt/prometheus/',
     'location' => '/usr/local/bin/'
   },
+  'filestat_exporter' => {
+    'url' => 'https://github.com/michael-doubez/filestat_exporter/releases/download/',
+    'prefix' => 'filestat_exporter-',
+    'postfix' => '.linux-amd64.tar.gz',
+    'storage' => '/opt/filestat_exporter/',
+    'location' => '/usr/local/bin/'
+  },
 })

cookbooks/prometheus/default.rb

@@ -51,4 +51,8 @@ end
 include_recipe './node_exporter_install.rb'
 include_recipe './node_exporter_setup.rb'
 
+# Install the filestat_exporter here:
+include_recipe './filestat_exporter_install.rb'
+include_recipe './filestat_exporter_setup.rb'
+
 include_recipe './exporter_proxy.rb'

cookbooks/prometheus/files/etc/consul.d/service-filestat_exporter.json

@@ -0,0 +1,6 @@
+{
+  "service": {
+    "name": "filestat_exporter",
+    "port": 60000
+  }
+}

cookbooks/prometheus/files/etc/prometheus_exporters.d/filestat.yml

@@ -0,0 +1,16 @@
+exporter:
+  # Optional network parameters
+  listen_address: ':9943'
+  metrics_path: /metrics
+
+  # Optional working directory - overridden by parameter '-path.cwd'
+  # working_directory: "/path/to/my/project"
+
+  # Default enable/disable of metrics - overridden if not set by parameter '-metric.*'
+  enable_crc32_metric: true
+  enable_nb_line_metric: false
+  # list of patterns to apply - metrics can be enable/disabled for each group
+  files:
+    - patterns: ["/var/run/reboot-required"]
+      enable_crc32_metric: false
+      enable_nb_line_metric: false

cookbooks/prometheus/files/etc/supervisor/conf.d/filestat_exporter.conf

@@ -0,0 +1,8 @@
+[program:filestat_exporter]
+command=/usr/local/bin/filestat_exporter --config.file=/etc/prometheus_exporters.d/filestat.yml
+stdout_logfile=/var/log/supervisor/filestat_exporter.log
+redirect_stderr=true
+stdout_logfile_maxbytes=1MB
+stdout_logfile_backups=5
+autorestart=true
+stopsignal=HUP

cookbooks/prometheus/filestat_exporter_install.rb

@@ -0,0 +1,53 @@
+filestat_exporter_url = ''
+filestat_exporter_bin = ''
+
+vtag              = ''
+
+# Calculate the Download URL:
+begin
+  require 'net/http'
+
+  uri = URI.parse('https://github.com/michael-doubez/filestat_exporter/releases/latest')
+
+  Timeout.timeout(3) do
+    response = Net::HTTP.get_response(uri)
+
+    vtag = $1 if response.body =~ %r{tag\/(v\d+\.\d+\.\d+)}
+
+    filestat_exporter_bin = "#{node['filestat_exporter']['prefix']}#{vtag}#{node['filestat_exporter']['postfix']}"
+    filestat_exporter_url = "#{node['filestat_exporter']['url']}/#{vtag}/#{filestat_exporter_bin}"
+  end
+rescue
+  # Abort the chef client process:
+  raise 'Cannot connect to http://github.com.'
+end
+
+# バージョン確認して、アップデート必要かどうか確認
+result = run_command("filestat_exporter --version 2>&1 | grep #{vtag}", error: false)
+if result.exit_status != 0
+  # Download:
+  TMP = "/tmp/#{filestat_exporter_bin}"
+
+  execute "wget #{filestat_exporter_url} -O #{TMP}"
+
+  # Install:
+  directory node['filestat_exporter']['storage'] do
+    owner 'root'
+    group 'root'
+    mode '755'
+  end
+
+  execute "tar zxf #{TMP} -C #{node['filestat_exporter']['storage']} --strip-components 1"
+
+  # Change Owner and Permissions:
+  file "#{node['filestat_exporter']['storage']}filestat_exporter" do
+    owner 'root'
+    group 'root'
+    mode  '755'
+  end
+
+  # Create Link
+  link "#{node['filestat_exporter']['location']}filestat_exporter" do
+    to "#{node['filestat_exporter']['storage']}filestat_exporter"
+  end
+end

cookbooks/prometheus/filestat_exporter_setup.rb

@@ -0,0 +1,31 @@
+# Deploy the `supervisord` configuration:
+remote_file '/etc/prometheus_exporters.d/filestat.yml' do
+  owner 'root'
+  group 'root'
+  mode '644'
+
+  notifies :restart, 'service[supervisor]'
+end
+
+# Deploy the `supervisord` configuration:
+remote_file '/etc/supervisor/conf.d/filestat_exporter.conf' do
+  owner 'root'
+  group 'root'
+  mode '644'
+
+  notifies :restart, 'service[supervisor]'
+end
+
+# Deploy `consul` config for `node_exporter`:
+remote_file '/etc/consul.d/service-filestat_exporter.json' do
+  owner 'root'
+  group 'root'
+  mode '644'
+
+  notifies :restart, 'service[supervisor]'
+end
+
+service 'supervisor' do
+  action :nothing
+end
+