Class: Eye::Config

Inherits:
Object show all
Defined in:
lib/eye/config.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(settings = {}, applications = {}) ⇒ Config

Returns a new instance of Config.



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# File 'lib/eye/config.rb', line 5

def initialize(settings = {}, applications = {})
  @settings = settings
  @applications = applications
end

Instance Attribute Details

#applications ⇒ Object (readonly)

Returns the value of attribute applications.



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# File 'lib/eye/config.rb', line 3

def applications
  @applications
end

#settings ⇒ Object (readonly)

Returns the value of attribute settings.



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# File 'lib/eye/config.rb', line 3

def settings
  @settings
end

Instance Method Details

#application_names ⇒ Object 



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# File 'lib/eye/config.rb', line 69

def application_names
  applications.keys
end

#delete_app(name) ⇒ Object 



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# File 'lib/eye/config.rb', line 73

def delete_app(name)
  applications.delete(name)
end

#delete_group(name) ⇒ Object 



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# File 'lib/eye/config.rb', line 77

def delete_group(name)
  applications.each do |app_name, app_cfg|
    (app_cfg[:groups] || {}).delete(name)
  end
end

#delete_process(name) ⇒ Object 



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# File 'lib/eye/config.rb', line 83

def delete_process(name)
  applications.each do |app_name, app_cfg|
    (app_cfg[:groups] || {}).each do |gr_name, gr_cfg|
      (gr_cfg[:processes] || {}).delete(name)
    end
  end
end

#merge(other_config) ⇒ Object 



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# File 'lib/eye/config.rb', line 10

def merge(other_config)
  Eye::Config.new(@settings.merge(other_config.settings), @applications.merge(other_config.applications))
end

#merge!(other_config) ⇒ Object 



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# File 'lib/eye/config.rb', line 14

def merge!(other_config)
  @settings.merge!(other_config.settings)
  @applications.merge!(other_config.applications)
end

#processes ⇒ Object 



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# File 'lib/eye/config.rb', line 65

def processes
  applications.values.map{|e| (e[:groups] || {}).values.map{|c| (c[:processes] || {}).values} }.flatten
end

#to_h ⇒ Object 



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# File 'lib/eye/config.rb', line 19

def to_h
  {:settings => @settings, :applications => @applications}
end

#validate!(localize = true) ⇒ Object

raise an error if config wrong



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# File 'lib/eye/config.rb', line 24

def validate!(localize = true)
  all_processes = processes

  # Check blank pid_files
  no_pid_file = all_processes.select{|c| c[:pid_file].blank? }
  if no_pid_file.present?
    raise Eye::Dsl::Error, "blank pid_file for: #{no_pid_file.map{|c| c[:name]} * ', '}"
  end

  # Check duplicates of the full pid_file

  dupl_pids = all_processes.each_with_object(Hash.new(0)) do |o, h|
    ex_pid_file = Eye::System.normalized_file(o[:pid_file], o[:working_dir])
    h[ex_pid_file] += 1
  end
  dupl_pids = dupl_pids.select{|k,v| v>1}

  if dupl_pids.present?
    raise Eye::Dsl::Error, "duplicate pid_files: #{dupl_pids.inspect}"
  end

  # Check duplicates of the full_name
  dupl_names = all_processes.each_with_object(Hash.new(0)) do |o, h|
    full_name = "#{o[:application]}:#{o[:group]}:#{o[:name]}"
    h[full_name] += 1
  end
  dupl_names = dupl_names.select{|k,v| v>1}

  if dupl_names.present?
    raise Eye::Dsl::Error, "duplicate names: #{dupl_names.inspect}"
  end

  # validate processes with their own validate
  all_processes.each do |process_cfg|
    Eye::Process.validate process_cfg, localize
  end

  # just to be sure ENV was not removed
  ENV[''] rescue raise Eye::Dsl::Error.new("ENV is not a hash '#{ENV.inspect}'")
end