Class: Vagrant::DockerLoad::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant/docker_load/command.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.synopsisObject



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# File 'lib/vagrant/docker_load/command.rb', line 7

def self.synopsis
  "loads a host docker image into vagrant machines"
end

Instance Method Details

#executeObject



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# File 'lib/vagrant/docker_load/command.rb', line 11

def execute
  opts = OptionParser.new do |o|
    o.banner = "Usage: vagrant docker-load src-img dst-img"
    o.separator ""
  end

  src_img, dst_img = parse_options(opts)
  return if dst_img.nil?

  src = Tempfile.new("vagrant-docker_load")

  run("docker save -o #{src.path} #{src_img}")

  with_target_vms(nil) do |machine|
    ssh_info = machine.ssh_info
    raise Vagrant::Errors::SSHNotReady if ssh_info.nil?

    log_level = ssh_info[:log_level] || "FATAL"

    args = [
      "-p", ssh_info[:port].to_s,
      "-o", "LogLevel=#{log_level}"]

    if ssh_info[:verify_host_key] == :never || !ssh_info[:verify_host_key]
      args += [
        "-o", "StrictHostKeyChecking=no",
        "-o", "UserKnownHostsFile=/dev/null"]
    end

    if ssh_info[:proxy_command]
      args += ["-o", "ProxyCommand=#{ssh_info[:proxy_command]}"]
    end

    if ssh_info[:private_key_path]
      ssh_info[:private_key_path].each do |path|
        args += ["-i", path]
      end
    end

    args += ["#{ssh_info[:username]}@#{ssh_info[:host]}"]

    ssh_command = ["ssh", args]

    load_command = ssh_command + ["sudo", "docker", "load"]
    Open3.pipeline(load_command.join(" "), :in => src.path)

    tag_command = ssh_command + ["sudo", "docker", "tag", src_img, dst_img]
    system(tag_command.join(" "))
  end
end

#run(command) ⇒ Object



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# File 'lib/vagrant/docker_load/command.rb', line 62

def run(command)
  stdout, stderr, status = Open3.capture3(command)
  unless status.success?
    @env.ui.error(stderr)
    raise Vagrant::Errors::SSHNotReady
  end
end