Class: Pygmy::DockerNetwork

Inherits:
Object
  • Object
show all
Extended by:
DockerService
Defined in:
lib/pygmy/docker_network.rb

Class Method Summary collapse

Methods included from DockerService

container_exists?, delete, has_docker_client?, ps, pull, running?, start, start_cmd, stop

Class Method Details

.connect ⇒ Object 



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# File 'lib/pygmy/docker_network.rb', line 34

def self.connect
  unless self.haproxy_connected?
    unless Sh.run_command(self.connect_haproxy_cmd).success?
      raise RuntimeError.new(
        "Failed to connect #{self.haproxy_name} to #{self.network_name}.  Command #{self.connect_haproxy_cmd} failed"
      )
    end
  end
  self.haproxy_connected?
end

.connect_haproxy_cmd ⇒ Object 



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# File 'lib/pygmy/docker_network.rb', line 19

def self.connect_haproxy_cmd
  "docker network connect #{self.network_name} #{self.haproxy_name}"
end

.create ⇒ Object 



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# File 'lib/pygmy/docker_network.rb', line 23

def self.create
  unless self.exists?
    unless Sh.run_command(self.create_cmd).success?
      raise RuntimeError.new(
        "Failed to create #{self.network_name}.  Command #{self.create_cmd} failed"
      )
    end
  end
  self.exists?
end

.create_cmd ⇒ Object 



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# File 'lib/pygmy/docker_network.rb', line 15

def self.create_cmd
  "docker network create #{self.network_name}"
end

.exists?(network_name = self.network_name) ⇒ Boolean 



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# File 'lib/pygmy/docker_network.rb', line 49

def self.exists?(network_name = self.network_name)
  !!(self.ls =~ /#{network_name}/)
end

.haproxy_connected?(network_name = self.network_name, haproxy_name = self.haproxy_name) ⇒ Boolean 



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# File 'lib/pygmy/docker_network.rb', line 45

def self.haproxy_connected?(network_name = self.network_name, haproxy_name = self.haproxy_name)
  !!(self.inspect_containers(network_name) =~ /#{haproxy_name}/)
end

.haproxy_name ⇒ Object 



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# File 'lib/pygmy/docker_network.rb', line 11

def self.haproxy_name
  'amazeeio-haproxy'
end

.inspect_containers(network_name = self.network_name) ⇒ Object 



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# File 'lib/pygmy/docker_network.rb', line 53

def self.inspect_containers(network_name = self.network_name)
  cmd = "docker network inspect #{self.network_name} -f '{{.Containers}}'"
  ret = Sh.run_command(cmd)
  if ret.success?
    return ret.stdout
  else
    raise RuntimeError.new("Failure running command '#{cmd}'")
  end
end

.ls ⇒ Object 



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# File 'lib/pygmy/docker_network.rb', line 63

def self.ls
  cmd = "docker network ls"
  ret = Sh.run_command(cmd)
  if ret.success?
    return ret.stdout
  else
    raise RuntimeError.new("Failure running command '#{cmd}'")
  end
end

.network_name ⇒ Object 



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# File 'lib/pygmy/docker_network.rb', line 7

def self.network_name
  'amazeeio-network'
end