Merge branch 'install-filestat_exporter' of kazu634/itamae into master

cookbooks/prometheus/alertmanager_setup.rb

@@ -17,7 +17,7 @@ remote_file '/etc/prometheus.d/alertmanager.yml' do
 end
 
 # Deploy alert setting file:
-%w(node_exporter prometheus).each do |conf|
+%w(node_exporter prometheus filestat).each do |conf|
   remote_file "/etc/prometheus.d/alerts/#{conf}.yml" do
     owner  'root'
     group  'root'

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

@@ -38,8 +38,21 @@ if node['prometheus']['manager']
   end
 end
 
+# Create `/etc/prometheus.d/`:
+%w(/etc/prometheus_exporters.d).each do |d|
+  directory d do
+    owner  'root'
+    group  'root'
+    mode   '0755'
+  end
+end
+
 # Install the node_exporter here:
 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/exporter_proxy.rb

@@ -1,6 +1,6 @@
 URL = 'https://github.com/rrreeeyyy/exporter_proxy/releases/download/v0.1.0/exporter_proxy_linux_amd64'
 BIN = '/usr/local/bin/exporter_proxy'
-CONFDIR = '/etc/exporter_proxy/'
+CONFDIR = '/etc/prometheus_exporters.d/exporter_proxy/'
 CONF = 'config.yml'
 
 execute "wget #{URL} -O #{BIN}" do

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.d/alerts/filestat.yml

@@ -0,0 +1,12 @@
+groups:
+- name: filestat
+  rules:
+  - alert: RebootRequired
+    expr: file_glob_match_number{pattern="/var/run/reboot-required"} > 0
+    for: 24h
+    labels:
+      severity: warning
+    annotations:
+      summary: "Instance {{ $labels.instance }} requires rebooting."
+      description: "{{ $labels.instance }} requires rebooting."
+

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

@@ -14,6 +14,7 @@ rule_files:
   # - "first.rules"
   # - "second.rules"
   - '/etc/prometheus.d/alerts/node_exporter.yml'
+  - '/etc/prometheus.d/alerts/filestat.yml'
   - '/etc/prometheus.d/alerts/prometheus.yml'
 
 # A scrape configuration containing exactly one endpoint to scrape:
@@ -51,6 +52,14 @@ scrape_configs:
       services:
         - 'node_exporter'
 
+  - job_name: 'filestat'
+    metrics_path: /filestat_exporter/metrics
+
+    consul_sd_configs:
+    - server: 'localhost:8500'
+      services:
+        - 'filestat_exporter'
+
   - job_name: 'grafana'
     consul_sd_configs:
     - server: 'localhost:8500'

cookbooks/prometheus/files/etc/prometheus_exporters.d/exporter_proxy/config.yml

@@ -16,6 +16,6 @@ exporters:
   node_exporter:
     path: "/node_exporter/metrics"
     url: "http://127.0.0.1:9100/metrics"
-  statup_exporter:
-    path: "/statup_exporter/metrics"
-    url: "http://127.0.0.1:8080/metrics"
+  filestat_exporter:
+    path: "/filestat_exporter/metrics"
+    url: "http://127.0.0.1:9943/metrics"

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/exporter_proxy.conf

@@ -1,5 +1,5 @@
 [program:exporter_proxy]
-command=/usr/local/bin/exporter_proxy -config /etc/exporter_proxy/config.yml
+command=/usr/local/bin/exporter_proxy -config /etc/prometheus_exporters.d/exporter_proxy/config.yml
 stdout_logfile=/var/log/supervisor/exporter_proxy.log
 redirect_stderr=true
 stdout_logfile_maxbytes=1MB

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
+