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CHANGELOG.md

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+#### 0.0.1.alpha.1

CONTRIBUTING.md

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+[Development Documentation](http://sensu-plugins.github.io/development/)

LICENSE

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+Copyright (c) 2015 [email protected]
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+## Sensu-Plugins-disk-checks
+
+[![Build Status](https://travis-ci.org/sensu-plugins/sensu-plugins-redis.svg?branch=master)][1]
+[![Gem Version](https://badge.fury.io/rb/sensu-plugins-redis.svg)][2]
+[![Code Climate](https://codeclimate.com/github/sensu-plugins/sensu-plugins-redis/badges/gpa.svg)][3]
+[![Test Coverage](https://codeclimate.com/github/sensu-plugins/sensu-plugins-redis/badges/coverage.svg)][4]
+[![Dependency Status](https://gemnasium.com/sensu-plugins/sensu-plugins-redis.svg)][5]
+
+## Functionality
+
+## Files
+ *
+ *
+ *
+ *
+
+## Usage
+
+## Installation
+
+Add the public key (if you haven’t already) as a trusted certificate
+
+```
+gem cert --add <(curl -Ls https://raw.githubusercontent.com/sensu-plugins/sensu-plugins.github.io/master/certs/sensu-plugins.pem)
+gem install sensu-plugins-redis -P MediumSecurity
+```
+
+You can also download the key from /certs/ within each repository.
+
+#### Rubygems
+
+`gem install sensu-plugins-redis`
+
+#### Bundler
+
+Add *sensu-plugins-disk-checks* to your Gemfile and run `bundle install` or `bundle update`
+
+#### Chef
+
+Using the Sensu **sensu_gem** LWRP
+```
+sensu_gem 'sensu-plugins-redis' do
+  options('--prerelease')
+  version '0.0.1.alpha.4'
+end
+```
+
+Using the Chef **gem_package** resource
+```
+gem_package 'sensu-plugins-redis' do
+  options('--prerelease')
+  version '0.0.1.alpha.4'
+end
+```
+
+## Notes
+
+[1]:[https://travis-ci.org/sensu-plugins/sensu-plugins-redis]
+[2]:[http://badge.fury.io/rb/sensu-plugins-redis]
+[3]:[https://codeclimate.com/github/sensu-plugins/sensu-plugins-redis]
+[4]:[https://codeclimate.com/github/sensu-plugins/sensu-plugins-redis]
+[5]:[https://gemnasium.com/sensu-plugins/sensu-plugins-redis]

Rakefile

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+
+require 'bundler/gem_tasks'
+
+require 'rspec/core/rake_task'
+
+require 'yard'
+
+require 'github/markup'
+
+require 'rubocop/rake_task'
+
+require 'redcarpet'
+
+require 'yard/rake/yardoc_task'
+
+
+desc 'Don\'t run Rubocop for unsupported versions'
+begin
+  if RUBY_VERSION >= '2.0.0'
+    args = [:spec, :make_bin_executable, :yard, :rubocop]
+  else
+    args = [:spec, :make_bin_executable, :yard]
+  end
+end
+
+YARD::Rake::YardocTask.new do |t|
+  OTHER_PATHS = %w()
+  t.files = ['lib/**/*.rb', 'bin/**/*.rb', OTHER_PATHS]
+  t.options = %w(--markup-provider=redcarpet --markup=markdown --main=README.md --files CHANGELOG.md)
+end
+
+Rubocop::RakeTask.new
+
+RSpec::Core::RakeTask.new(:spec) do |r|
+  r.pattern = FileList['**/**/*_spec.rb']
+end
+
+desc 'Make all plugins executable'
+task :make_bin_executable do
+  `chmod -R +x bin/*`
+end
+
+task default: args

Vagrantfile

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+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+VAGRANTFILE_API_VERSION = '2'
+
+Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
+
+  config.vm.box = 'chef/centos-6.6'
+  config.vm.box_download_checksum = true
+  config.vm.box_download_checksum_type = 'md5'
+  config.vm.hostname = 'sensu-plugins-dev'
+
+  script = <<EOF
+  sudo yum update -y
+  sudo yum groupinstall -y development
+  sudo yum install -y vim nano
+  #sudo yum install -y ImagicMagic ImageMagick-devel mysql-devel # needed for bundle install
+  gpg2 --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3
+  curl -L get.rvm.io | bash -s stable
+  source /home/vagrant/.rvm/scripts/rvm
+  rvm reload
+  #rvm install 1.9.3
+  rvm install 2.1.4
+  #rvm install 2.0.0
+  #rvm use 1.9.3@sensu_plugins --create
+  #rvm use 2.0.0@sensu_plugins --create
+  rvm use 2.1.4@sensu_plugins --create
+  rvm use 2.1.4@sensu_plugins --default
+EOF
+
+  config.vm.provision 'shell', inline: script, privileged: false
+end

bin/check-redis-info.rb

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+#!/usr/bin/env ruby
+#
+# Checks checks variables from redis INFO http://redis.io/commands/INFO
+#
+# ===
+#
+# Depends on redis gem
+# gem install redis
+#
+# ===
+#
+# Released under the same terms as Sensu (the MIT license); see LICENSE
+# for details.
+#
+# Heavily inspired in check-redis-slave-status.rb
+# https://github.com/sensu/sensu-community-plugins/blob/master/plugins/redis/check-redis-slave-status.rb
+#
+require 'rubygems' if RUBY_VERSION < '1.9.0'
+require 'sensu-plugin/check/cli'
+require 'redis'
+
+class RedisSlaveCheck < Sensu::Plugin::Check::CLI
+  option :host,
+         short: '-h HOST',
+         long: '--host HOST',
+         description: 'Redis Host to connect to',
+         required: false,
+         default: '127.0.0.1'
+
+  option :port,
+         short: '-p PORT',
+         long: '--port PORT',
+         description: 'Redis Port to connect to',
+         proc: proc(&:to_i),
+         required: false,
+         default: 6379
+
+  option :password,
+         short: '-P PASSWORD',
+         long: '--password PASSWORD',
+         description: 'Redis Password to connect with'
+
+  option :redis_info_key,
+         short: '-K VALUE',
+         long: '--redis-info-key KEY',
+         description: 'Redis info key to monitor',
+         required: false,
+         default: 'role'
+
+  option :redis_info_value,
+         short: '-V VALUE',
+         long: '--redis-info-key-value VALUE',
+         description: 'Redis info key value to trigger alarm',
+         required: false,
+         default: 'master'
+
+  def run
+    options = { host: config[:host], port: config[:port] }
+    options[:password] = config[:password] if config[:password]
+    redis = Redis.new(options)
+
+    if redis.info.fetch("#{config[:redis_info_key]}") == "#{config[:redis_info_value]}"
+      ok "Redis #{config[:redis_info_key]} is #{config[:redis_info_value]}"
+    else
+      critical "Redis #{config[:redis_info_key]} is #{redis.info.fetch("#{config[:redis_info_key]}")}!"
+    end
+
+  rescue
+    message "Could not connect to Redis server on #{config[:host]}:#{config[:port]}"
+    exit 1
+  end
+end

bin/check-redis-list-length.rb

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+#!/usr/bin/env ruby
+#
+# Checks number of items in a Redis list key
+# ===
+#
+# Depends on redis gem
+# gem install redis
+#
+# Copyright (c) 2013, Piavlo <[email protected]>
+#
+# Released under the same terms as Sensu (the MIT license); see LICENSE
+# for details.
+
+require 'rubygems' if RUBY_VERSION < '1.9.0'
+require 'sensu-plugin/check/cli'
+require 'redis'
+
+class RedisListLengthCheck < Sensu::Plugin::Check::CLI
+  option :host,
+         short: '-h HOST',
+         long: '--host HOST',
+         description: 'Redis Host to connect to',
+         required: false,
+         default: '127.0.0.1'
+
+  option :port,
+         short: '-p PORT',
+         long: '--port PORT',
+         description: 'Redis Port to connect to',
+         proc: proc(&:to_i),
+         required: false,
+         default: 6379
+
+  option :database,
+         short: '-n DATABASE',
+         long: '--dbnumber DATABASE',
+         description: 'Redis database number to connect to',
+         proc: proc(&:to_i),
+         required: false,
+         default: 0
+
+  option :password,
+         short: '-P PASSWORD',
+         long: '--password PASSWORD',
+         description: 'Redis Password to connect with'
+
+  option :warn,
+         short: '-w COUNT',
+         long: '--warning COUNT',
+         description: 'COUNT warning threshold for number of items in Redis list key',
+         proc: proc(&:to_i),
+         required: true
+
+  option :crit,
+         short: '-c COUNT',
+         long: '--critical COUNT',
+         description: 'COUNT critical threshold for number of items in Redis list key',
+         proc: proc(&:to_i),
+         required: true
+
+  option :key,
+         short: '-k KEY',
+         long: '--key KEY',
+         description: 'Redis list KEY to check',
+         required: true
+
+  def run
+    options = { host: config[:host], port: config[:port], db: config[:database] }
+    options[:password] = config[:password] if config[:password]
+    redis = Redis.new(options)
+
+    length = redis.llen(config[:key])
+
+    if length >= config[:crit]
+      critical "Redis list #{config[:key]} length is above the CRITICAL limit: #{length} length / #{config[:crit]} limit"
+    elsif length >= config[:warn]
+      warning "Redis list #{config[:key]} length is above the WARNING limit: #{length} length / #{config[:warn]} limit"
+    else
+      ok "Redis list #{config[:key]} length is below thresholds"
+    end
+  rescue
+    unknown "Could not connect to Redis server on #{config[:host]}:#{config[:port]}"
+  end
+end