Module: DockerCore::Swarm

Defined in:
lib/docker_core.rb

Class Method Summary collapse

Class Method Details

.capture_command(*arguments, environment: {}, bind: {}, throw: false, wait: 0, strip: true, echo: false) ⇒ String

Parameters:

  • arguments (Array)
  • environment (Hash) (defaults to: {})
  • bind (Hash) (defaults to: {})
  • throw (Boolean) (defaults to: false)
  • wait (Numeric) (defaults to: 0)
  • strip (Boolean) (defaults to: true)
  • echo (Boolean) (defaults to: false)

Returns:

  • (String) 


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# File 'lib/docker_core.rb', line 134

def self.capture_command(*arguments, environment: {}, bind: {}, throw: false, wait: 0, strip: true, echo: false)
  raise "No implement #{__method__} method"
end

.deploy_path ⇒ Object 



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# File 'lib/docker_core.rb', line 58

def self.deploy_path
  return File.expand_path('~/deploy')
end

.detect_orchestrator ⇒ Object 



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# File 'lib/docker_core.rb', line 80

def self.detect_orchestrator
  swarm = self.read_swarm.to_sym
  detect = self.detect_services

  if detect.has_key?(swarm) && detect[swarm]
    return "#{swarm}"
  end

  index = detect.key(true)
  return "#{index}"
end

.detect_services ⇒ Object 



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# File 'lib/docker_core.rb', line 76

def self.detect_services
  return { docker: Shell.is_active_unit('docker') }
end

.from_image(image, registry: REGISTRY, namespace: NAMESPACE, tag: 'latest') ⇒ Object

Parameters:

  • image (String)
  • registry (String) (defaults to: REGISTRY)
  • namespace (String) (defaults to: NAMESPACE)
  • tag (String) (defaults to: 'latest') 


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# File 'lib/docker_core.rb', line 54

def self.from_image(image, registry: REGISTRY, namespace: NAMESPACE, tag: 'latest')
  return "#{registry}/#{namespace}/#{image}:#{tag}"
end

.orchestrator ⇒ Object

noinspection RubyClassVariableUsageInspection



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# File 'lib/docker_core.rb', line 150

def self.orchestrator
  @@orchestrator ||= self.detect_orchestrator
  return "#{@@orchestrator}"
end

.pair_paths(base, relative = '') ⇒ Object

Parameters:

  • base (String)
  • relative (String) (defaults to: '') 


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# File 'lib/docker_core.rb', line 116

def self.pair_paths(base, relative = '')
  items = {}

  { inside: base, outside: Dir.pwd }.each do |key, value|
    items[key] = File.join(value, relative)
  end

  return items
end

.read_swarm ⇒ Object 



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# File 'lib/docker_core.rb', line 71

def self.read_swarm
  file = self.swarm_path
  return File.exists?(file) ? File.read(file).strip : ''
end

.run_command(*arguments, environment: {}, bind: {}, throw: true, wait: 0, echo: true) ⇒ Boolean

Parameters:

  • arguments (Array)
  • environment (Hash) (defaults to: {})
  • bind (Hash) (defaults to: {})
  • throw (Boolean) (defaults to: true)
  • wait (Numeric) (defaults to: 0)
  • echo (Boolean) (defaults to: true)

Returns:

  • (Boolean) 


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# File 'lib/docker_core.rb', line 145

def self.run_command(*arguments, environment: {}, bind: {}, throw: true, wait: 0, echo: true)
  raise "No implement #{__method__} method"
end

.swarm_path ⇒ Object 



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# File 'lib/docker_core.rb', line 62

def self.swarm_path
  return File.expand_path('~/.swarm')
end

.swarm_status ⇒ Object 



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# File 'lib/docker_core.rb', line 92

def self.swarm_status
  color = Color::GREEN
  Color.echo("Swarm: #{self.detect_orchestrator}", color)
  Color.echo(self.detect_services.to_yaml, color)
end

.update_swarm(swarm = '') ⇒ Object

Parameters:

  • swarm (String) (defaults to: '') 


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# File 'lib/docker_core.rb', line 99

def self.update_swarm(swarm = '')
  if false == swarm.empty?
    self.write_swarm(swarm)
  end

  orchestrator = self.detect_orchestrator
  self.write_swarm(orchestrator)

  if orchestrator.empty?
    orchestrator = '<none>'
  end

  Color.echo("Swarm: #{orchestrator}", Color::GREEN)
end

.write_swarm(swarm = '') ⇒ Object

Parameters:

  • swarm (String) (defaults to: '') 


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# File 'lib/docker_core.rb', line 67

def self.write_swarm(swarm = '')
  return File.write(self.swarm_path, "#{swarm}\n")
end