Class: Wrapbox::Runner::Docker

Inherits:
Object
  • Object
show all
Defined in:
lib/wrapbox/runner/docker.rb

Defined Under Namespace

Classes: Cli, ExecutionError

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Docker

Returns a new instance of Docker.



30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/wrapbox/runner/docker.rb', line 30

def initialize(options)
  @name = options[:name]
  @container_definitions = options[:container_definition] ? [options[:container_definition]] : options[:container_definitions]
  @logger = Wrapbox.logger

  if @container_definitions.size >= 2
    raise "Docker runner does not support multi container currently"
  end

  @container_definition = @container_definitions[0]

  @keep_container = options[:keep_container]
end

Instance Attribute Details

#container_definition ⇒ Object (readonly)

Returns the value of attribute container_definition.



14
15
16
 
# File 'lib/wrapbox/runner/docker.rb', line 14

def container_definition
  @container_definition
end

#keep_container ⇒ Object (readonly)

Returns the value of attribute keep_container.



14
15
16
 
# File 'lib/wrapbox/runner/docker.rb', line 14

def keep_container
  @keep_container
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



14
15
16
 
# File 'lib/wrapbox/runner/docker.rb', line 14

def name
  @name
end

Class Method Details

.split_overridable_options_and_parameters(options) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
 
# File 'lib/wrapbox/runner/docker.rb', line 19

def self.split_overridable_options_and_parameters(options)
  opts = options.dup
  overridable_options = {}
  i[keep_container].each do |key|
    value = opts.delete(key)
    overridable_options[key] = value if value
  end

  [overridable_options, opts]
end

Instance Method Details

#run(class_name, method_name, args, container_definition_overrides: {}, environments: []) ⇒ Object 



44
45
46
47
48
49
50
51
52
 
# File 'lib/wrapbox/runner/docker.rb', line 44

def run(class_name, method_name, args, container_definition_overrides: {}, environments: [])
  definition = container_definition
    .merge(container_definition_overrides)

  envs = base_environments(class_name, method_name, args)
  envs.concat(extract_environments(environments))

  exec_docker(definition: definition, cmd: ["bundle", "exec", "rake", "wrapbox:run"], environments: envs)
end

#run_cmd(cmds, container_definition_overrides: {}, environments: [], ignore_signal: false) ⇒ Object 



54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/wrapbox/runner/docker.rb', line 54

def run_cmd(cmds,  container_definition_overrides: {}, environments: [], ignore_signal: false)
  ths = []
  definition = container_definition
    .merge(container_definition_overrides)

  environments = extract_environments(environments)

  cmds << nil if cmds.empty?
  cmds.each_with_index do |cmd, idx|
    ths << Thread.new(cmd, idx) do |c, i|
      envs = environments + ["WRAPBOX_CMD_INDEX=#{idx}"]
      exec_docker(
        definition: definition,
        cmd: c&.shellsplit,
        environments: envs
      )
    end
  end
  ths.each { |th| th&.join }

  true
rescue SignalException => e
  sig = "SIG#{Signal.signame(e.signo)}"
  if ignore_signal
    @logger.info("Receive #{sig} signal. But Docker container continue running")
  else
    @logger.info("Receive #{sig} signal. Stop All tasks")
    ths.each do |th|
      th.report_on_exception = false
      th.raise(e)
    end
    thread_timeout = 15
    ths.each { |th| th.join(thread_timeout) }
  end
  nil
end