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.



5
6
7
8
 
# 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.



3
4
5
 
# File 'lib/eye/config.rb', line 3

def applications
  @applications
end

#settings ⇒ Object (readonly)

Returns the value of attribute settings.



3
4
5
 
# File 'lib/eye/config.rb', line 3

def settings
  @settings
end

Instance Method Details

#application_names ⇒ Object 



102
103
104
 
# File 'lib/eye/config.rb', line 102

def application_names
  applications.keys
end

#delete_app(name) ⇒ Object 



106
107
108
 
# File 'lib/eye/config.rb', line 106

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

#delete_group(name) ⇒ Object 



110
111
112
113
114
 
# File 'lib/eye/config.rb', line 110

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

#delete_process(name) ⇒ Object 



116
117
118
119
120
121
122
 
# File 'lib/eye/config.rb', line 116

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 



10
11
12
13
14
15
 
# File 'lib/eye/config.rb', line 10

def merge(other_config)
  new_settings = {}
  Eye::Utils.deep_merge!(new_settings, @settings)
  Eye::Utils.deep_merge!(new_settings, other_config.settings)
  Eye::Config.new(new_settings, @applications.merge(other_config.applications))
end

#merge!(other_config) ⇒ Object 



17
18
19
20
 
# File 'lib/eye/config.rb', line 17

def merge!(other_config)
  Eye::Utils.deep_merge!(@settings, other_config.settings)
  @applications.merge!(other_config.applications)
end

#processes ⇒ Object 



98
99
100
 
# File 'lib/eye/config.rb', line 98

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

#to_h ⇒ Object 



22
23
24
25
26
27
28
29
30
31
 
# File 'lib/eye/config.rb', line 22

def to_h
  h = {}
  h[:settings] = @settings
  if Eye.respond_to?(:parsed_default_app)
    d = Eye.parsed_default_app
    h[:defaults] = d ? d.config : {}
  end
  h[:applications] = @applications
  h
end

#transform! ⇒ Object 



75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
 
# File 'lib/eye/config.rb', line 75

def transform!
  all_processes = processes

  # transform syslog option
  all_processes.each do |process|
    out = process[:stdout] && process[:stdout].start_with?(':syslog')
    err = process[:stderr] && process[:stderr].start_with?(':syslog')
    if err || out
      redir = err ? '2>&1' : ''
      process[:stdout] = nil if out
      process[:stderr] = nil if err

      escaped_start_command = process[:start_command].to_s.gsub(%{"}, %{\\"})

      names = [process[:application], process[:group] == '__default__' ? nil :  process[:group], process[:name]].compact
      logger = "logger -t \"#{names.join(':')}\""

      process[:start_command] = %{sh -c "#{escaped_start_command} #{redir} | #{logger}"}
      process[:use_leaf_child] = true if process[:daemonize]
    end
  end
end

#validate!(validate_apps = []) ⇒ Object

raise an error if config wrong



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/eye/config.rb', line 34

def validate!(validate_apps = [])
  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, validate_apps.include?(process_cfg[:application])
  end

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