pluggable_providers_stats

#!/usr/bin/env ruby
require 'rubygems'
require 'active_support/core_ext/numeric/time'
require 'date'
require 'pathname'
require 'optparse'

# path to your application root.
APP_ROOT = Pathname.new File.expand_path('../../../manageiq/',  __FILE__)
Dir.chdir APP_ROOT

class Matcher
  attr_accessor :pattern, :name, :ignores

  def initialize(name, pattern)
    self.name = name
    self.pattern = pattern
    self.ignores = %w(
CHANGELOG.md
Gemfile
AUTHORS
README.md
LICENSE.txt
lib/miq_automation_engine/
db/
app/assets/
*.js
gems/
config/
manageiq-providers-amazon/
product/
spec/vcr_cassettes/
spec/tools/
)
    yield self if block_given?
  end

  def to_s
    name
  end

  def add_ignores(ignores)
    self.ignores += Array(ignores)
  end
end

matchers = [
    Matcher.new('SupportMatrix', 'is_available|:available '),
    Matcher.new('Amazon', 'amazon|aws|ec2') do |m|
      m.add_ignores(['app/models/authenticator', 'app/models/authenticator/amazon.rb'])
    end,
    Matcher.new('Ansible', 'ansible') do |m|
      m.add_ignores('app/models/manageiq/providers/ansible_tower/')
    end,
    Matcher.new('Azure', 'azure') do |m|
      m.add_ignores('app/models/manageiq/providers/azure/')
    end,
    Matcher.new('Foreman', 'foreman') do |m|
      m.add_ignores('app/models/manageiq/providers/foreman/')
    end,
    Matcher.new('Google', 'google|gce') do |m|
      m.add_ignores('app/models/manageiq/providers/google/')
    end,
    Matcher.new('Hawkular', 'hawkular') do |m|
      m.add_ignores('app/models/manageiq/providers/hawkular/')
    end,
    Matcher.new('Kubernetes', 'kubernetes') do |m|
      m.add_ignores('app/models/manageiq/providers/kubernetes/')
    end,
    Matcher.new('Microsoft', 'microsoft|scvmm') do |m|
      m.add_ignores('app/models/manageiq/providers/microsoft/')
    end,
    Matcher.new('Openshift', 'openshift') do |m|
      m.add_ignores('app/models/manageiq/providers/openshift/')
      m.add_ignores('app/models/manageiq/providers/openshift_enterprise/')
    end,
    Matcher.new('Openstack', 'openstack') do |m|
      m.add_ignores('app/models/manageiq/providers/openstack/')
    end,
    Matcher.new('Redhat', 'redhat|rhevm') do |m|
      m.add_ignores('app/models/manageiq/providers/redhat/')
    end,
    Matcher.new('Vmware', 'vmware') do |m|
      m.add_ignores('app/models/manageiq/providers/vmware/')
    end,
]

# options = {:show_matches => false, :debug => false, :verbose => false}
options = {}
OptionParser.new do |opts|
  opts.on("-s", "--show-matches", "Show matches instead of count") do
    options[:show_matches] = true
  end
  opts.on("-v", "--verbose", "Breakdown by paths") do
    options[:verbose] = true
  end
  opts.on("-oPROVIDER", "--only=PROVIDER", matchers.map(&:to_s).map(&:downcase), "Only this provider (#{matchers.map(&:to_s).map(&:downcase).join(', ')}") do |provider|
    options[:provider] = provider
  end
  opts.on("-d", "--debug", "Only show commands") do
    options[:debug] = true
  end
  opts.on("-h", "--help", "Displays this help") do
    puts opts
    exit
  end
end.parse!


paths = if options[:verbose]
          %w(
app/controllers
app/decorators
app/helpers
app/models
app/presenters
app/views
spec
.)
        else
          %w(.)
        end

if options[:debug] || options[:show_matches]
  date = 1.day.ago
else
  date = Date.parse("20 Jun 2016")
end

if options[:provider]
  matchers.select!{|m| m.to_s.downcase.start_with?(options[:provider])}
end

print ","
matchers.each do |m|
  print "#{m},"
  print (',' * paths.count) if options[:verbose]
end

if options[:verbose]
  print "\n,"
  matchers.each do
    print paths.join(',')
    print ','
  end
end

while (date < DateTime.now) do
  print "\n'#{date},"
  ref = `git rev-list -n 1 --before="#{date}" master`
  `git checkout #{ref}`
  matchers.each do |m|
    cmd  = %w(ag)
    cmd += m.ignores.map{|i| "--ignore '#{i}'"}
    cmd << " --ignore spec/" unless options[:verbose]
    # ignore comments
    cmd << "'^[^\n\r#]*(#{m.pattern})'"
    paths.each do |path|
      scan = cmd.dup
      scan << path
      scan << " | wc -l" unless options[:show_matches]
      scan = scan.join(' ')
      if options[:debug]
        puts scan
      else
        if options[:show_matches]
          system(scan)
        else
          counter = `#{scan}`
          print "#{counter.chop},"
        end
      end
    end
  end
  date = date + 1.week
end