Added ipcs

Author: Yuri Zubov

.rubocop.yml

@@ -29,6 +29,9 @@ RegexpLiteral:
 Style/Documentation:
   Enabled: false
 
+Style/FlipFlop:
+  Enabled: false
+
 # testing
 Metrics/BlockLength:
   Enabled: true

CHANGELOG.md

@@ -5,6 +5,9 @@ This CHANGELOG follows the format listed [here](https://github.com/sensu-plugins
 
 
 ## [Unreleased]
+### Added
+- metrics-ipcs.rb: Add ipcs metrics (@yuri-zubov sponsored by Actility, https://www.actility.com)
+
 
 ## [3.0.2] - 2018-03-27
 ### Security

Rakefile

@@ -7,8 +7,6 @@ require 'yard'
 require 'yard/rake/yardoc_task'
 require 'English'
 
-args = %i[spec make_bin_executable yard rubocop check_binstubs]
-
 YARD::Rake::YardocTask.new do |t|
   OTHER_PATHS = %w[].freeze
   t.files = ['lib/**/*.rb', 'bin/**/*.rb', OTHER_PATHS]
@@ -38,4 +36,4 @@ task :check_binstubs do
   end
 end
 
-task default: args
+task default: %i[spec make_bin_executable yard rubocop check_binstubs]

bin/metrics-ipcs.rb

@@ -0,0 +1,70 @@
+#! /usr/bin/env ruby
+#
+# metrics-ipcs
+#
+# DESCRIPTION:
+#  metrics-ipcs get metrics from ipcs
+#
+# OUTPUT:
+#   metric-data
+#
+# PLATFORMS:
+#   Linux
+#
+# DEPENDENCIES:
+#
+# 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 'open3'
+require 'socket'
+
+class MetricsIPCS < Sensu::Plugin::Metric::CLI::Graphite
+  option :scheme,
+         description: 'Metric naming scheme, text to prepend to metric',
+         short: '-s SCHEME',
+         long: '--scheme SCHEME',
+         default: "#{Socket.gethostname}.ipcs"
+
+  def run_ipcs
+    stdout, result = Open3.capture2('ipcs -u')
+    unknown 'Unable to get ipcs' unless result.success?
+    stdout
+  end
+
+  def run
+    ipcs_status = run_ipcs
+
+    found = false
+    index = -1
+    key = nil
+    ipcs_status.each_line do |line|
+      next unless line.match(/[[:space:]]*------/) ... (line == "\n")
+      if line.strip == ''
+        index = -1
+      else
+        index += 1
+      end
+      if index.zero? || index < 0
+        key = line.tr("-\n", '').strip.tr(' ', '-').downcase
+      else
+        result = line.match(/[[:space:]]*(?<name>[a-zA-Z ]*).*(?<value>\d+)/)
+        output "#{config[:scheme]}.#{key}.#{result[:name].strip.tr(' ', '-')}", result[:value].strip
+      end
+    end
+    if found
+      ok
+    else
+      critical('Not found')
+    end
+  end
+end

sensu-plugins-process-checks.gemspec

@@ -41,7 +41,8 @@ Gem::Specification.new do |s| # rubocop: disable Metrics/BlockLength
   s.add_development_dependency 'pry',                       '~> 0.10'
   s.add_development_dependency 'rake',                      '~> 10.0'
   s.add_development_dependency 'redcarpet',                 '~> 3.2'
-  s.add_development_dependency 'rspec',                     '~> 3.1'
+  s.add_development_dependency 'rspec',                     '~> 3.7'
+  s.add_development_dependency 'rspec-mocks',               '~> 3.7'
   s.add_development_dependency 'rubocop',                   '~> 0.51.0'
   s.add_development_dependency 'yard',                      '~> 0.9.11'
 end

test/fixtures/metrics-ips_fixture.rb

@@ -0,0 +1,21 @@
+def ipcs_answer
+  <<-TEXT
+
+    ------ Messages Status --------
+    allocated queues = 0
+    used headers = 0
+    used space = 0 bytes
+
+    ------ Shared Memory Status --------
+    segments allocated 31
+    pages allocated 52233
+    pages resident  16915
+    pages swapped   0
+    Swap performance: 0 attempts	 0 successes
+
+    ------ Semaphore Status --------
+    used arrays = 0
+    allocated semaphores = 0
+
+  TEXT
+end

test/metrics-ipcs_spec.rb

@@ -0,0 +1,31 @@
+require_relative './spec_helper'
+require_relative '../bin/metrics-ipcs'
+require_relative './fixtures/metrics-ips_fixture'
+
+describe 'MetricsIPCS' do
+  before do
+    MetricsIPCS.class_variable_set(:@@autorun, false)
+  end
+
+  describe 'with positive answer' do
+    before do
+      @default_parameters = '--scheme=test'
+      @metrics = MetricsIPCS.new(@default_parameters.split(' '))
+      allow(@metrics).to receive(:run_ipcs).and_return(ipcs_answer)
+      allow(@metrics).to receive(:ok)
+      allow(@metrics).to receive(:critical)
+    end
+
+    describe '#run' do
+      it 'tests that a check are ok' do
+        @output_result = {}
+        allow(@metrics).to receive(:output).and_wrap_original do |_m, *args|
+          @output_result[args[0]] = args[1]
+        end
+        @metrics.run
+        expect(@output_result['test.shared-memory-status.pages-resident']).to eq '5'
+        expect(@output_result['test.shared-memory-status.pages-allocated']).to eq '3'
+      end
+    end
+  end
+end