Class: VCAP::UserPool

Inherits:
Object
  • Object
show all
Defined in:
lib/vcap/user_pools/user_pool.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, logger = nil) ⇒ UserPool

Returns a new instance of UserPool.



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# File 'lib/vcap/user_pools/user_pool.rb', line 12

def initialize(name, logger = nil)
  @logger = logger ||  Logger.new(STDOUT)
  UserPoolUtil.init
  @free_users = UserPoolUtil.open_pool(name)
  @busy_users = Hash.new
  @logger.debug("Initialized user pool #{name} with #{@free_users.size} users.")
end

Instance Attribute Details

#busy_users ⇒ Object

Returns the value of attribute busy_users.



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# File 'lib/vcap/user_pools/user_pool.rb', line 10

def busy_users
  @busy_users
end

#free_users ⇒ Object

Returns the value of attribute free_users.



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# File 'lib/vcap/user_pools/user_pool.rb', line 9

def free_users
  @free_users
end

Instance Method Details

#alloc_user ⇒ Object 



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# File 'lib/vcap/user_pools/user_pool.rb', line 20

def alloc_user
  user_name, user = @free_users.shift
  if user_name != nil
    @busy_users[user_name] = user
  else
    raise "out of users!!"
  end
  @logger.debug "alloc()'d user #{user_name}"
  user
end

#free_user(user) ⇒ Object 



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# File 'lib/vcap/user_pools/user_pool.rb', line 31

def free_user(user)
  user_name = user[:user_name]
  if @busy_users.has_key?(user_name)
    VCAP::Subprocess.run("pkill -9 -u #{user_name}", 1)
    @busy_users.delete(user_name)
    @free_users[user_name] = user
    @logger.debug "free()'d user #{user_name}"
  else
    raise "invalid free user: #{user_name}"
  end
end