Module: DockerCore::Command::Swarm

Defined in:
lib/docker_core.rb

Class Method Summary collapse

Class Method Details

.detect_services ⇒ Object 



72
73
74
 
# File 'lib/docker_core.rb', line 72

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

.detect_swarm ⇒ Object 



76
77
78
79
80
81
82
83
84
85
86
 
# File 'lib/docker_core.rb', line 76

def self.detect_swarm
  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

.read_swarm ⇒ Object 



67
68
69
70
 
# File 'lib/docker_core.rb', line 67

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

.service_actived(service) ⇒ Object

Parameters:

  • service (String) 


54
55
56
 
# File 'lib/docker_core.rb', line 54

def self.service_actived(service)
  return 'active' == Process.capture("systemctl is-active #{service}").downcase
end

.swarm_path ⇒ Object 



58
59
60
 
# File 'lib/docker_core.rb', line 58

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

.swarm_status ⇒ Object 



88
89
90
91
92
93
94
 
# File 'lib/docker_core.rb', line 88

def self.swarm_status
  color = Color::GREEN
  detect = self.detect_swarm

  Color.echo("Swarm: #{detect}", color)
  Color.echo(self.detect_services.to_yaml, color)
end

.update_swarm(swarm = '') ⇒ Object

Parameters:

  • swarm (String) (defaults to: '') 


97
98
99
100
101
102
103
104
105
106
107
108
109
110
 
# File 'lib/docker_core.rb', line 97

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

  swarm = self.detect_swarm
  self.write_swarm(swarm)

  if swarm.empty?
    swarm = 'none'
  end

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

.use_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') 


49
50
51
 
# File 'lib/docker_core.rb', line 49

def self.use_image(image, registry: REGISTRY, namespace: NAMESPACE, tag: 'latest')
  return [registry, namespace, image].join('/') + ":#{tag}"
end

.write_swarm(swarm = '') ⇒ Object

Parameters:

  • swarm (String) (defaults to: '') 


63
64
65
 
# File 'lib/docker_core.rb', line 63

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