Class: Procodile::Config

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

Constant Summary collapse

COLORS = 
[35, 31, 36, 32, 33, 34]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root, environment, procfile = nil) ⇒ Config

Returns a new instance of Config.



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# File 'lib/procodile/config.rb', line 13

def initialize(root, environment, procfile = nil)
  @root = root
  @environment = environment || 'production'
  @procfile = procfile
  unless File.exist?(procfile_path)
    raise Error, "Procfile not found at #{procfile_path}"
  end
  FileUtils.mkdir_p(pid_root)

  @processes = process_list.each_with_index.each_with_object({}) do |((name, command), index), hash|
    hash[name] = create_process(name, command, COLORS[index.divmod(COLORS.size)[1]])
  end
end

Instance Attribute Details

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/procodile/config.rb', line 11

def environment
  @environment
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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

def root
  @root
end

Instance Method Details

#app_name ⇒ Object 



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# File 'lib/procodile/config.rb', line 61

def app_name
  @app_name ||= fetch(local_options['app_name']) || fetch(options['app_name']) || 'Procodile'
end

#environment_variables ⇒ Object 



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# File 'lib/procodile/config.rb', line 93

def environment_variables
  fetch_hash_values(options['env'] || {}).merge(fetch_hash_values(local_options['env'] || {}))
end

#local_options ⇒ Object 



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# File 'lib/procodile/config.rb', line 81

def local_options
  @local_options ||= File.exist?(local_options_path) ? YAML.load_file(local_options_path) : {}
end

#local_process_options ⇒ Object 



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# File 'lib/procodile/config.rb', line 85

def local_process_options
  @local_process_options ||= local_options['processes'] || {}
end

#log_path ⇒ Object 



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# File 'lib/procodile/config.rb', line 101

def log_path
  @log_path ||= File.expand_path(fetch(local_options['log_path']) || fetch(options['log_path']) || 'procodile.log', @root)
end

#options ⇒ Object 



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

def options
  @options ||= File.exist?(options_path) ? YAML.load_file(options_path) : {}
end

#options_for_process(name) ⇒ Object 



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# File 'lib/procodile/config.rb', line 89

def options_for_process(name)
  (process_options[name] || {}).merge(local_process_options[name] || {})
end

#pid_root ⇒ Object 



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# File 'lib/procodile/config.rb', line 97

def pid_root
  @pid_root ||= File.expand_path(fetch(local_options['pid_root']) || fetch(options['pid_root']) || 'pids', @root)
end

#process_list ⇒ Object 



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

def process_list
  @process_list ||= YAML.load_file(procfile_path) || {}
end

#process_options ⇒ Object 



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

def process_options
  @process_options ||= options['processes'] || {}
end

#processes ⇒ Object 



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

def processes
  @processes ||= {}
end

#reload ⇒ Object 



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# File 'lib/procodile/config.rb', line 27

def reload
  @process_list = nil
  @options = nil
  @process_options = nil
  @local_options = nil
  @local_process_options = nil

  if @processes
    process_list.each do |name, command|
      if process = @processes[name]
        process.removed = false
        # This command is already in our list. Add it.
        if process.command != command
          process.command = command
          Procodile.log nil, 'system', "#{name} command has changed. Updated."
        end
        process.options = options_for_process(name)
      else
        Procodile.log nil, 'system', "#{name} has been added to the Procfile. Adding it."
        @processes[name] = create_process(name, command, COLORS[@processes.size.divmod(COLORS.size)[1]])
      end
    end

    removed_processes = @processes.keys - process_list.keys
    removed_processes.each do |process_name|
      if p = @processes[process_name]
        p.removed = true
        @processes.delete(process_name)
        Procodile.log nil, 'system', "#{process_name} has been removed to the Procfile. It will be removed when it is stopped."
      end
    end
  end
end

#sock_path ⇒ Object 



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# File 'lib/procodile/config.rb', line 105

def sock_path
  File.join(pid_root, 'procodile.sock')
end