Added VertX health check and metrics

Author: Yuri Zubov

.gitignore

@@ -16,3 +16,4 @@ mkmf.log
 .DS_Store
 .idea/*
 *.gem
+.ruby-version

.rubocop.yml

@@ -28,3 +28,11 @@ RegexpLiteral:
 
 Style/Documentation:
   Enabled: false
+
+Style/FrozenStringLiteralComment:
+  Enabled: false
+
+Metrics/BlockLength:
+  Exclude:
+    - 'test/**/*.rb'
+    - 'sensu-plugins-java.gemspec'

.travis.yml

@@ -4,7 +4,6 @@ cache:
 install:
 - bundle install
 rvm:
-- 2.0
 - 2.1
 - 2.2
 - 2.3.0
@@ -27,7 +26,6 @@ deploy:
   on:
     tags: true
     all_branches: true
-    rvm: 2.0
     rvm: 2.1
     rvm: 2.2
     rvm: 2.3.0

CHANGELOG.md

@@ -4,6 +4,17 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 This CHANGELOG follows the format listed at [Keep A Changelog](http://keepachangelog.com/)
 
 ## [Unreleased]
+### Breaking Changes
+- dropped ruby 2.1 support (@yuri-zubov sponsored by Actility, https://www.actility.com)
+- added `rest-client` as a dependency which requires you to have a local c compiler present to install this plugin (@yuri-zubov sponsored by Actility, https://www.actility.com)
+
+### Security
+- updated yard dependency to `~> 0.9.11` per: https://nvd.nist.gov/vuln/detail/CVE-2017-17042 (@yuri-zubov sponsored by Actility, https://www.actility.com)
+- updated rubocop dependency to `~> 0.51.0` per: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8418. (@yuri-zubov sponsored by Actility, https://www.actility.com)
+
+### Added
+- Added ability to get metrics from VertX (@yuri-zubov sponsored by Actility, https://www.actility.com)
+- Added health-check VertX (@yuri-zubov sponsored by Actility, https://www.actility.com)
 
 ## [1.3.0] - 2017-09-05
 ### Added

Rakefile

@@ -7,9 +7,9 @@ require 'yard'
 require 'yard/rake/yardoc_task'
 
 YARD::Rake::YardocTask.new do |t|
-  OTHER_PATHS = %w().freeze
+  OTHER_PATHS = %w[].freeze
   t.files = ['lib/**/*.rb', 'bin/**/*.rb', OTHER_PATHS]
-  t.options = %w(--markup-provider=redcarpet --markup=markdown --main=README.md --files CHANGELOG.md)
+  t.options = %w[--markup-provider=redcarpet --markup=markdown --main=README.md --files CHANGELOG.md]
 end
 
 RuboCop::RakeTask.new
@@ -35,4 +35,4 @@ task :check_binstubs do
   end
 end
 
-task default: [:spec, :make_bin_executable, :yard, :rubocop, :check_binstubs]
+task default: %i[spec make_bin_executable yard rubocop check_binstubs]

bin/check-java-heap-pcnt.rb

@@ -1,6 +1,5 @@
 #!/usr/bin/env ruby
 
-bin_dir = File.expand_path(File.dirname(__FILE__))
-shell_script_path = File.join(bin_dir, File.basename($PROGRAM_NAME, '.rb') + '.sh')
+shell_script_path = File.join(__dir__, File.basename($PROGRAM_NAME, '.rb') + '.sh')
 
 exec shell_script_path, *ARGV

bin/check-vertx-health.rb

@@ -0,0 +1,59 @@
+#! /usr/bin/env ruby
+#
+# check-vertx-health
+#
+# DESCRIPTION:
+#  check-vertx-health simple way to expose health checks for VertX
+#
+# OUTPUT:
+#   plain text
+#
+# PLATFORMS:
+#   Linux
+#
+# DEPENDENCIES:
+#   gem: rest-client
+#
+#
+# USAGE:
+#
+#
+# NOTES:
+#
+# LICENSE:
+#   Zubov Yuri <yury.zubau@gmail.com> sponsored by Actility, https://www.actility.com
+#   Released under the same terms as Sensu (the MIT license); see LICENSE
+#   for details.
+#
+require 'sensu-plugin/check/cli'
+require 'rest-client'
+require 'json'
+
+class CheckVertXHealth < Sensu::Plugin::Check::CLI
+  include CommonVertX
+
+  option :endpoint,
+         short: '-p ENDPOINT',
+         long: '--endpointn ENDPOINT',
+         description: 'VertX Endpoint',
+         default: 'http://localhost:8080/rest/health'
+
+  def check_health
+    response = request
+
+    result = JSON.parse(response)
+    result['outcome']
+  end
+
+  def run
+    result = check_health
+
+    if result == 'UP'
+      ok 'VertX is UP'
+    elsif result == 'DOWN'
+      warning 'VertX is DOWN'
+    end
+  rescue StandardError => e
+    critical e.message
+  end
+end

bin/metrics-java-heap-graphite.rb

@@ -1,6 +1,5 @@
 #!/usr/bin/env ruby
 
-bin_dir = File.expand_path(File.dirname(__FILE__))
-shell_script_path = File.join(bin_dir, File.basename($PROGRAM_NAME, '.rb') + '.sh')
+shell_script_path = File.join(__dir__, File.basename($PROGRAM_NAME, '.rb') + '.sh')
 
 exec shell_script_path, *ARGV

bin/metrics-jstat.rb

@@ -1,6 +1,5 @@
 #!/usr/bin/env ruby
 
-bin_dir = File.expand_path(File.dirname(__FILE__))
-shell_script_path = File.join(bin_dir, File.basename($PROGRAM_NAME, '.rb') + '.py')
+shell_script_path = File.join(__dir__, File.basename($PROGRAM_NAME, '.rb') + '.py')
 
 exec shell_script_path, *ARGV

bin/metrics-vertx.rb

@@ -0,0 +1,61 @@
+#! /usr/bin/env ruby
+#
+# metrics-vertx
+#
+# DESCRIPTION:
+#  metrics-vertx get metrics from VertX
+#
+# OUTPUT:
+#   metric-data
+#
+# PLATFORMS:
+#   Linux
+#
+# DEPENDENCIES:
+#   gem: rest-clien
+#
+# USAGE:
+#
+#
+# NOTES:
+#
+# LICENSE:
+#   Zubov Yuri <yury.zubau@gmail.com> sponsored by Actility, https://www.actility.com
+#   Released under the same terms as Sensu (the MIT license); see LICENSE
+#   for details.
+#
+
+require 'sensu-plugin/metric/cli'
+require 'rest-client'
+require 'json'
+
+class MetricsVertX < Sensu::Plugin::Metric::CLI::Graphite
+  include CommonVertX
+
+  option :endpoint,
+         short: '-p ENDPOINT',
+         long: '--endpointn ENDPOINT',
+         description: 'VertX Endpoint',
+         default: 'http://localhost:8080/rest/metrics'
+
+  option :scheme,
+         description: 'Metric naming scheme, text to prepend to metric',
+         short: '-S SCHEME',
+         long: '--scheme SCHEME',
+         default: "#{Socket.gethostname}.vertx"
+
+  def metrics
+    response = request
+    JSON.parse(response)
+  end
+
+  def run
+    metrics.each do |key, metrics|
+      type_of_metric = metrics.delete('type')
+      metrics.each do |metric_name, value|
+        output("#{config[:scheme]}.#{key}.#{type_of_metric}.#{metric_name}", value)
+      end
+    end
+    ok
+  end
+end