Class: Wildcloud::Git::Core

Inherits:
Object
  • Object
show all
Defined in:
lib/wildcloud/git/core.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Core

Returns a new instance of Core.



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# File 'lib/wildcloud/git/core.rb', line 25

def initialize
  Git.logger.info('Core', 'Starting')

  # Define basic variables
  @access = {}
  @keys = {}

  # Connect to AMQP
  Git.logger.info('Core', 'Connecting to broker')
  @amqp = AMQP.connect(Git.configuration['amqp'])
  Git.logger_add_amqp(@amqp)

  # Communication infrastructure
  @channel = AMQP::Channel.new(@amqp)
  @topic = @channel.topic('wildcloud.git')
  @queue = @channel.queue("wildcloud.git.#{Git.configuration['node']['name']}")
  @queue.bind(@topic, :routing_key => 'nodes')
  @queue.bind(@topic, :routing_key => "node.#{Git.configuration['node']['name']}")

  # Request synchronization
  Git.logger.info('Core', 'Requesting synchronization')
  publish({ :node => Git.configuration['node']['name'], :type => :sync })

  # Listen for task
  @queue.subscribe do |metadata, message|
    handle(metadata, message)
  end
end

Instance Method Details

#authorize(username, repository, action) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 54

def authorize(username, repository, action)
  return 1 if username == 'wildcloud.platform.master.key'
  return 0 unless @access[username] && @access[username].include?(repository)
  1
end

#handle(metadata, message) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 60

def handle(metadata, message)
  Git.logger.debug('Core', "Got message: #{message}")
  message = JSON.parse(message)
  method = "handle_#{message['type']}".to_sym
  if respond_to?(method)
    send(method, message)
  else

  end
end

#handle_add_key(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 77

def handle_add_key(data)
  (@keys[data['username']] ||= []) << data['key']
  sync_keys
end

#handle_add_platform_key(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 90

def handle_add_platform_key(data)
  @platform_keys ||= []
  @platform_keys << data['key'] unless @platform_keys.include?(data['key'])
  sync_keys
end

#handle_authorize_repository(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 117

def handle_authorize_repository(data)
  (@access[data['username']] ||= []) << data['repository']
end

#handle_create_repository(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 101

def handle_create_repository(data)
  path = File.join(Git.configuration['paths']['repositories'], data['repository'])
  `git init --bare #{path} --template #{File.expand_path('../../template', __FILE__)}`
  pre_receive = File.read(File.expand_path('../pre-receive.rb', __FILE__))
  pre_receive = "#!#{Git.configuration['paths']['ruby']}\n#{pre_receive}"
  hook_path = File.join(path, 'hooks', 'pre-receive')
  File.open(hook_path, 'w') do |file|
    file.write(pre_receive)
  end
  File.chmod(0700, hook_path)
end

#handle_destroy_repository(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 113

def handle_destroy_repository(data)
  `rm -rf #{File.join(Git.configuration['paths']['repositories'], data['repository'])}`
end

#handle_remove_key(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 82

def handle_remove_key(data)
  keys = @keys[data['username']]
  if keys
    keys.delete(data['key'])
    sync_keys
  end
end

#handle_remove_platform_key(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 96

def handle_remove_platform_key(data)
  (@platform_keys ||= []).delete(data['key'])
  sync_keys
end

#handle_sync(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 71

def handle_sync(data)
  @access = data['access']
  @keys = data['keys']
  sync_keys
end

#handle_unauthorize_repository(data) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 121

def handle_unauthorize_repository(data)
  repos = @access[data['username']]
  repos.delete(data['repository']) if repos
end

#publish(message) ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 147

def publish(message)
  Git.logger.debug('Core', "Publishing #{message.inspect}")
  @topic.publish(JSON.dump(message), :routing_key => 'master')
end

#sync_keys ⇒ Object 



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# File 'lib/wildcloud/git/core.rb', line 126

def sync_keys
  Git.logger.info('Core', 'Synchronizing keys')
  data = ""
  client = File.expand_path('../client.rb', __FILE__)
  ks = us = 0
  @platform_keys.each do |key|
    data << "command=\"source /etc/profile && wildcloud-git-client 'wildcloud.platform.master.key'\" #{key}\n"
  end if @platform_keys
  @keys.each do |username, keys|
    us += 1
    keys.each do |key|
      data << "command=\"source /etc/profile && wildcloud-git-client #{username}\" #{key}\n"
      ks += 1
    end
  end if @keys
  File.open('./.ssh/authorized_keys', 'w') do |file|
    file.write(data)
  end
  Git.logger.info('Core', "Data synchronized (#{us} users, #{ks} keys)")
end