Class: AppUpdate

Inherits:
Object
  • Object
show all
Extended by:
Delegation
Defined in:
lib/app_update.rb

Overview

Main class of the app update tool.

Constant Summary collapse

APP_CONFIG = 
'.applications'

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Delegation

delegate

Constructor Details

#initialize(args) ⇒ AppUpdate

Returns a new instance of AppUpdate.



23
24
25
26
27
28
29
30
 
# File 'lib/app_update.rb', line 23

def initialize args
  @opts, extra_args = parse_options(args)
  @config = Configuration.current

  @runner = config.runner
  @logger = config.logger
  @extra_args = extra_args
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



20
21
22
 
# File 'lib/app_update.rb', line 20

def config
  @config
end

#extra_args ⇒ Object (readonly)

Returns the value of attribute extra_args.



21
22
23
 
# File 'lib/app_update.rb', line 21

def extra_args
  @extra_args
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



19
20
21
 
# File 'lib/app_update.rb', line 19

def logger
  @logger
end

#opts ⇒ Object (readonly)

Returns the value of attribute opts.



17
18
19
 
# File 'lib/app_update.rb', line 17

def opts
  @opts
end

#runner ⇒ Object (readonly)

Returns the value of attribute runner.



18
19
20
 
# File 'lib/app_update.rb', line 18

def runner
  @runner
end

Instance Method Details

#app(name) ⇒ Object

—————————————————————– internal



92
93
94
 
# File 'lib/app_update.rb', line 92

def app(name)
  Application.new(name, config, opts)
end

#applications_path ⇒ Object 



95
96
97
 
# File 'lib/app_update.rb', line 95

def applications_path
  config.app_base_path(APP_CONFIG)
end

#panic(message) ⇒ Object 



99
100
101
102
103
 
# File 'lib/app_update.rb', line 99

def panic message
  puts message
  fatal message
  exit 1
end

#parse_options(args) ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
 
# File 'lib/app_update.rb', line 32

def parse_options args
  opts = {
    force: false
  }
  
  args = OptionParser.new do |parser|
    parser.banner = "Usage: mau [options] APPLICATION_NAME"
    parser.separator ""
    parser.separator "Specific options:"

    parser.on('-r', '--ref REF', 'Target git reference to update to') do |v|
      opts[:ref] = v
    end.on('-f', '--force', 'Forces update') do |v|
      opts[:force] = true
    end.on("-v", "--[no-]verbose", "Run verbosely") do |v|
      opts[:verbose] = v
    end.on_tail("-h", "--help", "Show this message") do
      puts parser
      exit
    end
  end.parse(args)
  
  return opts, args
end

#run ⇒ Object 



57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
 
# File 'lib/app_update.rb', line 57

def run
  # If extra_args is empty, we need to look at all apps that were deployed
  # here before. 
  app_names = extra_args
  
  if app_names.empty?
    begin
      app_names = IO.readlines(applications_path).map(&:chomp)
    rescue Errno::ENOENT
      warn "Could not read application names from #{APP_CONFIG}."
    end
  end

  # Iterate over all applications, updating every one of them. 
  successful_apps = app_names.select do |name|
    run_for_app name
  end
  
  # Keep track of what applications are deployed here. 
  File.write applications_path, successful_apps.join("\n")
end

#run_for_app(name) ⇒ Object 



79
80
81
82
83
84
85
86
87
88
 
# File 'lib/app_update.rb', line 79

def run_for_app name
  info "Attempting update of #{name}."
  app(name).update
  info "Done. (updating #{name})"
  
  return true
rescue
  error "Failed to update #{name}, see exception for details."
  raise
end