Class: VagrantPlugins::DockerComposeProvisioner::Installer

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-docker-compose/installer.rb

Instance Method Summary collapse

Constructor Details

#initialize(machine, config) ⇒ Installer

Returns a new instance of Installer.



4
5
6
7
 
# File 'lib/vagrant-docker-compose/installer.rb', line 4

def initialize(machine, config)
  @machine = machine
  @config = config
end

Instance Method Details

#ensure_installed ⇒ Object 



9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/vagrant-docker-compose/installer.rb', line 9

def ensure_installed
  @machine.ui.detail(I18n.t(:checking_installation))

  if !@machine.guest.capability(:docker_compose_installed, @config)
    @machine.ui.detail(I18n.t(:getting_info))
    machine_hardware_name, kernel_name = @machine.guest.capability(:docker_compose_get_info, @config)

    @machine.ui.detail(I18n.t(:downloading, version: @config.compose_version, kernel: kernel_name, machine: machine_hardware_name))
    url = "https://github.com/docker/compose/releases/download/#{@config.compose_version}/docker-compose-#{kernel_name}-#{machine_hardware_name}"
    remote_tmp_path = nil
    Dir.mktmpdir do |local_tmp_dir|
      local_tmp_path = File.join(local_tmp_dir, "docker-compose")
      File.open(local_tmp_path, "wb") do |f|
        contents = fetch_file(url)
        f.write(contents)
      end
      sig = Digest::SHA256.file(local_tmp_path).hexdigest
      @machine.ui.detail(I18n.t(:downloaded_signature, version: @config.compose_version, signature: sig))

      @machine.ui.detail(I18n.t(:uploading, version: @config.compose_version))
      remote_tmp_path = @machine.guest.capability(:docker_compose_upload, @config, local_tmp_path)
    end

    @machine.ui.detail(I18n.t(:installing, version: @config.compose_version))
    @machine.guest.capability(:docker_compose_install, @config, remote_tmp_path)

    if !@machine.guest.capability(:docker_compose_installed, @config)
      raise DockerComposeError, :install_failed
    end
  end

  @machine.ui.detail(I18n.t(:symlinking, version: @config.compose_version))
  @machine.guest.capability(:docker_compose_symlink, @config)

  @machine.guest.capability(:docker_compose_set_project_name, @config)
end

#fetch_file(url) ⇒ Object 



46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/vagrant-docker-compose/installer.rb', line 46

def fetch_file(url)
  response = Net::HTTP.get_response(URI(url))
  case response
  when Net::HTTPSuccess then
    return response.body
  when Net::HTTPRedirection then
    new_url = response['location']
    return fetch_file(new_url)
  else
    raise "Error: unable to download docker-compose: #{url}"
  end
end