Module: Kitchen::Docker::Helpers::CliHelper

Includes:
Configurable, Logging, ShellOut
Included in:
Container, ContainerHelper, ImageHelper, Kitchen::Driver::Docker
Defined in:
lib/kitchen/docker/helpers/cli_helper.rb

Instance Method Summary collapse

Instance Method Details

#build_copy_command(local_file, remote_file, opts = {}) ⇒ Object 



110
111
112
113
114
115
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 110

def build_copy_command(local_file, remote_file, opts = {})
  cmd = 'cp'
  cmd << ' -a' if opts[:archive]
  cmd << " #{local_file} #{remote_file}"
  cmd
end

#build_env_variable_args(vars) ⇒ Object

Raises:

  • (ActionFailed) 


124
125
126
127
128
129
130
131
132
133
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 124

def build_env_variable_args(vars)
  raise ActionFailed, 'Environment variables are not of a Hash type' unless vars.is_a?(Hash)

  args = ''
  vars.each do |k, v|
    args << " -e #{k.to_s.strip}=\"#{v.to_s.strip}\""
  end

  args
end

#build_exec_command(state, command) ⇒ Object 



95
96
97
98
99
100
101
102
103
104
105
106
107
108
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 95

def build_exec_command(state, command)
  cmd = 'exec'
  cmd << ' -d' if config[:detach]
  cmd << build_env_variable_args(config[:env_variables]) if config[:env_variables]
  cmd << ' --privileged' if config[:privileged]
  cmd << ' -t' if config[:tty]
  cmd << ' -i' if config[:interactive]
  cmd << " -u #{config[:username]}" if config[:username]
  cmd << " -w #{config[:working_dir]}" if config[:working_dir]
  cmd << " #{state[:container_id]}"
  cmd << " #{command}"
  logger.debug("build_exec_command: #{cmd}")
  cmd
end

#build_powershell_command(args) ⇒ Object 



117
118
119
120
121
122
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 117

def build_powershell_command(args)
  cmd = 'powershell -ExecutionPolicy Bypass -NoLogo '
  cmd << args
  logger.debug("build_powershell_command: #{cmd}")
  cmd
end

#build_run_command(image_id, transport_port = nil) ⇒ Object 



59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 59

def build_run_command(image_id, transport_port = nil)
  cmd = 'run -d'
  cmd << ' -i' if config[:interactive]
  cmd << ' -t' if config[:tty]
  cmd << build_env_variable_args(config[:env_variables]) if config[:env_variables]
  cmd << " -p #{transport_port}" unless transport_port.nil?
  Array(config[:forward]).each { |port| cmd << " -p #{port}" }
  Array(config[:dns]).each { |dns| cmd << " --dns #{dns}" }
  Array(config[:add_host]).each { |host, ip| cmd << " --add-host=#{host}:#{ip}" }
  Array(config[:volume]).each { |volume| cmd << " -v #{volume}" }
  Array(config[:volumes_from]).each { |container| cmd << " --volumes-from #{container}" }
  Array(config[:links]).each { |link| cmd << " --link #{link}" }
  Array(config[:devices]).each { |device| cmd << " --device #{device}" }
  Array(config[:mount]).each {|mount| cmd << " --mount #{mount}"}
  Array(config[:tmpfs]).each {|tmpfs| cmd << " --tmpfs #{tmpfs}"}
  cmd << " --name #{config[:instance_name]}" if config[:instance_name]
  cmd << ' -P' if config[:publish_all]
  cmd << " -h #{config[:hostname]}" if config[:hostname]
  cmd << " -m #{config[:memory]}" if config[:memory]
  cmd << " -c #{config[:cpu]}" if config[:cpu]
  cmd << " --gpus #{config[:gpus]}" if config[:gpus]
  cmd << " -e http_proxy=#{config[:http_proxy]}" if config[:http_proxy]
  cmd << " -e https_proxy=#{config[:https_proxy]}" if config[:https_proxy]
  cmd << ' --privileged' if config[:privileged]
  cmd << " --isolation #{config[:isolation]}" if config[:isolation]
  Array(config[:cap_add]).each { |cap| cmd << " --cap-add=#{cap}"} if config[:cap_add]
  Array(config[:cap_drop]).each { |cap| cmd << " --cap-drop=#{cap}"} if config[:cap_drop]
  Array(config[:security_opt]).each { |opt| cmd << " --security-opt=#{opt}"} if config[:security_opt]
  cmd << " --platform=#{config[:docker_platform]}" if config[:docker_platform]
  extra_run_options = config_to_options(config[:run_options])
  cmd << " #{extra_run_options}" unless extra_run_options.empty?
  cmd << " #{image_id} #{config[:run_command]}"
  logger.debug("build_run_command: #{cmd}")
  cmd
end

#config_to_options(config) ⇒ String

Convert the config input for ‘:build_options` or `:run_options` in to a command line string for use with Docker.

Parameters:

  • config (nil, String, Array, Hash) —

    Config data to convert.

Returns:

  • (String)

Since:

  • 2.5.0



157
158
159
160
161
162
163
164
165
166
167
168
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 157

def config_to_options(config)
  case config
  when nil
    ''
  when String
    config
  when Array
    config.map { |c| config_to_options(c) }.join(' ')
  when Hash
    config.map { |k, v| Array(v).map { |c| "--#{k}=#{Shellwords.escape(c)}" }.join(' ') }.join(' ')
  end
end

#dev_null ⇒ Object 



135
136
137
138
139
140
141
142
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 135

def dev_null
  case RbConfig::CONFIG['host_os']
  when /mswin|msys|mingw|cygwin|bccwin|wince|emc/
    'NUL'
  else
    '/dev/null'
  end
end

#docker_command(cmd, options = {}) ⇒ Object 



27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 27

def docker_command(cmd, options={})
  docker = config[:binary].dup
  docker << " -H #{config[:socket]}" if config[:socket]
  docker << ' --tls' if config[:tls]
  docker << ' --tlsverify' if config[:tls_verify]
  docker << " --tlscacert=#{config[:tls_cacert]}" if config[:tls_cacert]
  docker << " --tlscert=#{config[:tls_cert]}" if config[:tls_cert]
  docker << " --tlskey=#{config[:tls_key]}" if config[:tls_key]
  logger.debug("docker_command: #{docker} #{cmd} shell_opts: #{docker_shell_opts(options)}")
  run_command("#{docker} #{cmd}", docker_shell_opts(options))
end

#docker_shell_opts(options = {}) ⇒ Object 



144
145
146
147
148
149
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 144

def docker_shell_opts(options = {})
  options[:live_stream] = nil if options[:suppress_output]
  options.delete(:suppress_output)

  options
end

#run_command(cmd, options = {}) ⇒ Object

Copied from kitchen because we need stderr



40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/kitchen/docker/helpers/cli_helper.rb', line 40

def run_command(cmd, options = {})
  if options.fetch(:use_sudo, false)
    cmd = "#{options.fetch(:sudo_command, "sudo -E")} #{cmd}"
  end
  subject = "[#{options.fetch(:log_subject, "local")} command]"

  debug("#{subject} BEGIN (#{cmd})")
  sh = Mixlib::ShellOut.new(cmd, shell_opts(options))
  sh.run_command
  debug("#{subject} END #{Util.duration(sh.execution_time)}")
  sh.error!
  sh.stdout + sh.stderr
rescue Mixlib::ShellOut::ShellCommandFailed => ex
  raise ShellCommandFailed, ex.message
rescue Exception => error # rubocop:disable Lint/RescueException
  error.extend(Kitchen::Error)
  raise
end