Class: OsCtl::Cli::Container

Inherits:
Command
  • Object
show all
Includes:
Assets, Attributes, CGroupParams, Devices
Defined in:
lib/osctl/cli/container.rb

Constant Summary collapse

FIELDS =
%i(
  pool
  id
  user
  group
  dataset
  rootfs
  boot_dataset
  boot_rootfs
  lxc_path
  lxc_dir
  group_path
  distribution
  version
  state
  init_pid
  autostart
  autostart_priority
  autostart_delay
  ephemeral
  hostname
  dns_resolvers
  nesting
  seccomp_profile
  init_cmd
  raw_lxc
  loadavg
) + CGroupParams::CGPARAM_STATS
FILTERS =
%i(
  pool
  user
  group
  distribution
  version
  state
)
DEFAULT_FIELDS =
%i(
  pool
  id
  user
  group
  distribution
  version
  state
  init_pid
  memory
  cpu_time
)
PRLIMIT_FIELDS =
%i(
  name
  soft
  hard
)
DATASET_FIELDS =
%i(
  name
  dataset
)
MOUNT_FIELDS =
%i(
  fs
  dataset
  mountpoint
  type
  opts
  automount
  temporary
)

Constants included from Devices

Devices::DEVICES_FIELDS

Constants included from CGroupParams

OsCtl::Cli::CGroupParams::CGPARAM_DEFAULT_FIELDS, OsCtl::Cli::CGroupParams::CGPARAM_FIELDS, OsCtl::Cli::CGroupParams::CGPARAM_FILTERS, OsCtl::Cli::CGroupParams::CGPARAM_STATS

Instance Attribute Summary

Attributes inherited from Command

#args, #gopts, #opts

Instance Method Summary collapse

Methods included from Attributes

#do_set_attr, #do_unset_attr

Methods included from Assets

#print_assets

Methods included from Devices

#do_device_add, #do_device_chmod, #do_device_delete, #do_device_inherit, #do_device_list, #do_device_promote, #do_device_replace, #do_device_set_inherit, #do_device_unset_inherit

Methods included from CGroupParams

#cg_add_stats, #cg_read_stats, #do_cgparam_apply, #do_cgparam_list, #do_cgparam_replace, #do_cgparam_set, #do_cgparam_unset, #do_set_cpu_limit, #do_set_memory, #do_unset_cpu_limit, #do_unset_memory, #parse_cgparams, #parse_memory_stat, #parse_subsystem, #read_cgparam, #read_memory_limit, #read_memory_usage

Methods inherited from Command

#cli_opt, #format_output, #initialize, #osctld_call, #osctld_fmt, #osctld_open, #osctld_resp, #require_args!, run

Methods included from Utils::Humanize

#break_interval, #format_long_duration, #format_percent, #format_short_duration, #humanize_data, #humanize_number, #humanize_percent, #humanize_time_ns, #parse_data

Constructor Details

This class inherits a constructor from OsCtl::Cli::Command

Instance Method Details

#add_loadavg(ct) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1291

def add_loadavg(ct)
  if ct[:state] != 'running'
    ct[:loadavg] = nil
    return
  end

  lavgs = OsCtl::Lib::LoadAvgReader.read_for(["#{ct[:pool]}:#{ct[:id]}"])

  if lavgs.empty?
    ct[:loadavg] = nil

  else
    ct[:loadavg] = lavgs.first.averages
  end
end

#add_loadavgs(cts) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1307

def add_loadavgs(cts)
  lavgs = OsCtl::Lib::LoadAvgReader.read_all_hash

  cts.each do |ct|
    if ct[:state] != 'running'
      ct[:loadavg] = nil
      next
    end

    lavg = lavgs[ "#{ct[:pool]}:#{ct[:id]}" ]

    if lavg
      ct[:loadavg] = lavg.averages

    else
      ct[:loadavg] = nil
    end
  end
end

#assetsObject



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# File 'lib/osctl/cli/container.rb', line 761

def assets
  require_args!('id')

  print_assets(:ct_assets, id: args[0], pool: gopts[:pool])
end

#attachObject



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# File 'lib/osctl/cli/container.rb', line 298

def attach
  require_args!('id')

  cmd = osctld_call(
    :ct_attach,
    id: args[0],
    pool: gopts[:pool],
    user_shell: opts['user-shell'],
  )

  handle_ct_attach(cmd)
end

#bootObject



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# File 'lib/osctl/cli/container.rb', line 595

def boot
  require_args!('id')

  cmd_opts = {
    id: args[0],
    pool: opts[:pool] || gopts[:pool],
    repository: opts[:repository],
    force: opts[:force],
    mount_root: opts['mount-root-dataset'],
    zfs_properties: Hash[opts['zfs-property'].map do |v|
      k, v = v.split('=')
      raise GLI::BadCommandLine, "invalid ZFS property '#{v}'" if v.nil?

      [k, v]
    end],
    wait: opts[:wait],
  }

  if opts['from-file']
    cmd_opts.update(
      type: :image,
      path: File.absolute_path(opts['from-file']),
    )
  else
    cmd_opts.update(
      type: :remote,
      image: repo_image_attrs(defaults: false),
    )
  end

  osctld_fmt(:ct_boot, cmd_opts)
end

#cdObject



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# File 'lib/osctl/cli/container.rb', line 695

def cd
  require_args!('id')

  ct = osctld_call(:ct_show, id: args[0], pool: gopts[:pool])

  if opts[:runtime]
    raise "container not running" unless ct[:init_pid]
    path = File.join('/proc/', ct[:init_pid].to_s, 'root', '/')

  elsif opts[:lxc]
    path = ct[:lxc_dir]

  else
    path = ct[:rootfs]
  end

  file = Tempfile.new('osctl-rcfile')
  file.write(<<-END
    export PS1="(CT #{ct[:id]}) $PS1"
    cd "#{path}"
    END
  )
  file.close

  puts "Spawning a new shell, exit when done"
  pid = Process.spawn(ENV['SHELL'] || 'bash', '--rcfile', file.path)
  Process.wait(pid)

  file.unlink
end

#cgparam_applyObject



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# File 'lib/osctl/cli/container.rb', line 833

def cgparam_apply
  require_args!('id')
  do_cgparam_apply(:ct_cgparam_apply, id: args[0], pool: gopts[:pool])
end

#cgparam_listObject



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# File 'lib/osctl/cli/container.rb', line 817

def cgparam_list
  require_args!('id')

  do_cgparam_list(:ct_cgparam_list, id: args[0], pool: gopts[:pool])
end

#cgparam_replaceObject



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# File 'lib/osctl/cli/container.rb', line 838

def cgparam_replace
  require_args!('name')
  do_cgparam_replace(:ct_cgparam_replace, id: args[0], pool: gopts[:pool])
end

#cgparam_setObject



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# File 'lib/osctl/cli/container.rb', line 823

def cgparam_set
  require_args!('id', 'parameter', 'value')
  do_cgparam_set(:ct_cgparam_set, id: args[0], pool: gopts[:pool])
end

#cgparam_unsetObject



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# File 'lib/osctl/cli/container.rb', line 828

def cgparam_unset
  require_args!('id', 'parameter')
  do_cgparam_unset(:ct_cgparam_unset, id: args[0], pool: gopts[:pool])
end

#chgrpObject



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# File 'lib/osctl/cli/container.rb', line 584

def chgrp
  require_args!('id', 'group')
  osctld_fmt(
    :ct_chgrp,
    id: args[0],
    pool: gopts[:pool],
    group: args[1],
    missing_devices: opts['missing-devices']
  )
end

#chownObject



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# File 'lib/osctl/cli/container.rb', line 579

def chown
  require_args!('id', 'user')
  osctld_fmt(:ct_chown, id: args[0], pool: gopts[:pool], user: args[1])
end

#config_reloadObject



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# File 'lib/osctl/cli/container.rb', line 628

def config_reload
  require_args!('id')
  osctld_fmt(
    :ct_cfg_reload,
    id: args[0],
    pool: gopts[:pool],
  )
end

#config_replaceObject



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# File 'lib/osctl/cli/container.rb', line 637

def config_replace
  require_args!('id')
  osctld_fmt(
    :ct_cfg_replace,
    id: args[0],
    pool: gopts[:pool],
    config: STDIN.read,
  )
end

#consoleObject



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# File 'lib/osctl/cli/container.rb', line 292

def console
  require_args!('id')

  open_console(args[0], gopts[:pool], opts[:tty], gopts[:json])
end

#copyObject



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# File 'lib/osctl/cli/container.rb', line 529

def copy
  require_args!('id', 'new-id')

  if args[1].include?(':')
    target_pool, target_id = args[1].split(':')
  else
    target_pool = opts[:pool]
    target_id = args[1]
  end

  cmd_opts = {
    pool: gopts[:pool],
    id: args[0],
    target_pool: target_pool,
    target_id: target_id,
    consistent: opts[:consistent],
    network_interfaces: opts['network-interfaces'],
  }

  cmd_opts[:target_user] = opts[:user] if opts[:user]
  cmd_opts[:target_group] = opts[:group] if opts[:group]
  cmd_opts[:target_dataset] = opts[:dataset] if opts[:dataset]

  osctld_fmt(:ct_copy, cmd_opts)
end

#createObject



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# File 'lib/osctl/cli/container.rb', line 164

def create
  require_args!('id')

  if opts['skip-image']
    create_empty
  else
    create_with_remote_image
  end
end

#create_emptyObject (protected)



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# File 'lib/osctl/cli/container.rb', line 1230

def create_empty
  if !opts[:distribution]
    raise GLI::BadCommandLine, 'provide --distribution'
  elsif !opts[:version]
    raise GLI::BadCommandLine, 'provide --version'
  elsif !opts[:arch]
    raise GLI::BadCommandLine, 'provide --arch'
  end

  cmd_opts = {
    id: args[0],
    pool: opts[:pool] || gopts[:pool],
    user: opts[:user],
    distribution: opts[:distribution],
    version: opts[:version],
    arch: opts[:arch],
  }

  %i(group dataset).each do |v|
    cmd_opts[v] = opts[v] if opts[v]
  end

  osctld_fmt(:ct_create_empty, cmd_opts)
end

#create_with_remote_imageObject (protected)



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# File 'lib/osctl/cli/container.rb', line 1209

def create_with_remote_image
  cmd_opts = {
    id: args[0],
    pool: opts[:pool] || gopts[:pool],
    user: opts[:user],
    repository: opts[:repository],
  }

  %i(group dataset).each do |v|
    cmd_opts[v] = opts[v] if opts[v]
  end

  if !opts[:distribution]
    raise GLI::BadCommandLine, 'provide --distribution'
  end

  cmd_opts[:image] = repo_image_attrs

  osctld_fmt(:ct_create, cmd_opts)
end

#dataset_createObject



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# File 'lib/osctl/cli/container.rb', line 964

def dataset_create
  require_args!('id', 'name')
  osctld_fmt(
    :ct_dataset_create,
    id: args[0],
    pool: gopts[:pool],
    name: args[1],
    mount: opts[:mount],
    mountpoint: args[2]
  )
end

#dataset_deleteObject



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# File 'lib/osctl/cli/container.rb', line 976

def dataset_delete
  require_args!('id', 'name')
  osctld_fmt(
    :ct_dataset_delete,
    id: args[0],
    pool: gopts[:pool],
    name: args[1],
    recursive: opts[:recursive],
    unmount: opts[:unmount]
  )
end

#dataset_listObject



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# File 'lib/osctl/cli/container.rb', line 940

def dataset_list
  if opts[:list]
    puts DATASET_FIELDS.join("\n")
    return
  end

  require_args!('id')
  props = args[1..-1]

  cmd_opts = {id: args[0], pool: gopts[:pool], properties: props}
  fmt_opts = {layout: :columns}

  fmt_opts[:header] = false if opts['hide-header']

  if opts[:output]
    cols = (opts[:output].split(',') + props).map(&:to_sym)

  else
    cols = nil
  end

  osctld_fmt(:ct_dataset_list, cmd_opts, cols, fmt_opts)
end

#deleteObject



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# File 'lib/osctl/cli/container.rb', line 174

def delete
  require_args!('id')

  osctld_fmt(:ct_delete, id: args[0], pool: gopts[:pool], force: opts[:force])
end

#device_addObject



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# File 'lib/osctl/cli/container.rb', line 848

def device_add
  require_args!('id', 'type', 'major', 'minor', 'mode')
  do_device_add(:ct_device_add, id: args[0], pool: gopts[:pool])
end

#device_chmodObject



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# File 'lib/osctl/cli/container.rb', line 858

def device_chmod
  require_args!('id', 'type', 'major', 'minor', 'mode')
  do_device_chmod(:ct_device_chmod, id: args[0], pool: gopts[:pool])
end

#device_deleteObject



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# File 'lib/osctl/cli/container.rb', line 853

def device_delete
  require_args!('id', 'type', 'major', 'minor')
  do_device_delete(:ct_device_delete, id: args[0], pool: gopts[:pool])
end

#device_inheritObject



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# File 'lib/osctl/cli/container.rb', line 868

def device_inherit
  require_args!('id', 'type', 'major', 'minor')
  do_device_inherit(:ct_device_inherit, id: args[0], pool: gopts[:pool])
end

#device_listObject



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# File 'lib/osctl/cli/container.rb', line 843

def device_list
  require_args!('id')
  do_device_list(:ct_device_list, id: args[0], pool: gopts[:pool])
end

#device_promoteObject



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# File 'lib/osctl/cli/container.rb', line 863

def device_promote
  require_args!('id', 'type', 'major', 'minor')
  do_device_chmod(:ct_device_promote, id: args[0], pool: gopts[:pool])
end

#device_replaceObject



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# File 'lib/osctl/cli/container.rb', line 883

def device_replace
  require_args!('id')
  do_device_replace(:ct_device_replace, id: args[0], pool: gopts[:pool])
end

#device_set_inheritObject



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# File 'lib/osctl/cli/container.rb', line 873

def device_set_inherit
  require_args!('id', 'type', 'major', 'minor')
  do_device_set_inherit(:ct_device_set_inherit, id: args[0], pool: gopts[:pool])
end

#device_unset_inheritObject



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# File 'lib/osctl/cli/container.rb', line 878

def device_unset_inherit
  require_args!('id', 'type', 'major', 'minor')
  do_device_unset_inherit(:ct_device_unset_inherit, id: args[0], pool: gopts[:pool])
end

#execObject



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# File 'lib/osctl/cli/container.rb', line 311

def exec
  require_args!('id', 'command')

  c = osctld_open
  cont = c.cmd_data!(
    :ct_exec,
    id: args[0],
    pool: gopts[:pool],
    cmd: args[1..-1],
    run: opts['run-container'],
    network: opts['network'],
  )

  if cont != 'continue'
    warn "exec not available: invalid response '#{cont}'"
    exit(false)
  end

  handle_exec_io(c)
end

#exportObject



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# File 'lib/osctl/cli/container.rb', line 667

def export
  require_args!('id', 'file')

  osctld_fmt(
    :ct_export,
    id: args[0],
    pool: gopts[:pool],
    file: File.expand_path(args[1]),
    consistent: opts[:consistent],
    compression: opts[:compression]
  )
end

#get_ct_wait(v) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1327

def get_ct_wait(v)
  if v < 0
    raise GLI::BadCommandLine, 'invalid value for --wait'
  elsif v == 0
    false
  elsif opts[:foreground]
    false
  else
    v
  end
end

#handle_ct_attach(cmd) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1403

def handle_ct_attach(cmd)
  f = Tempfile.create(['osctl-ct-attach-settings', '.json'], '/tmp')
  f.puts(cmd[:settings].to_json)
  f.close

  pid = Process.fork do
    cmd[:env].each do |k, v|
      ENV[k.to_s] = v
    end

    Process.exec(cmd[:cmd], f.path, '--', *cmd[:args])
  end

  Process.wait(pid)

ensure
  begin
    f && File.unlink(f.path)
  rescue Errno::ENOENT
    # pass
  end
end

#handle_exec_io(c) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1339

def handle_exec_io(c)
  r_in, w_in = IO.pipe
  r_out, w_out = IO.pipe
  r_err, w_err = IO.pipe

  c.send_io(r_in)
  c.send_io(w_out)
  c.send_io(w_err)

  r_in.close
  w_out.close
  w_err.close

  watch_ios = [STDIN, r_out, r_err, c.socket]

  loop do
    rs, ws, = IO.select(watch_ios)

    rs.each do |r|
      case r
      when r_out
        data = r.read_nonblock(4096)
        STDOUT.write(data)
        STDOUT.flush

      when r_err
        data = r.read_nonblock(4096)
        STDERR.write(data)
        STDERR.flush

      when STDIN
        begin
          data = r.read_nonblock(4096)
          w_in.write(data)
        rescue EOFError
          w_in.close
          watch_ios.delete(STDIN)
        end

      when c.socket
        r_out.close
        r_err.close

        handle_exec_response(c)
        return
      end
    end
  end

rescue IOError
  handle_exec_response(c)
end

#handle_exec_response(c) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1392

def handle_exec_response(c)
  resp = c.receive_resp

  if resp.error?
    fail (resp['message'] || 'exec failed')

  elsif resp[:exitstatus] && resp[:exitstatus] > 0
    raise GLI::CustomExit.new('executed command failed', resp[:exitstatus])
  end
end

#importObject



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# File 'lib/osctl/cli/container.rb', line 680

def import
  require_args!('file')

  file = File.expand_path(args[0])
  fail "#{file}: not found" unless File.exist?(file)

  cmd_opts = {file: file}

  %w(as-id as-user as-group dataset missing-devices).each do |v|
    cmd_opts[v.sub('-', '_').to_sym] = opts[v] if opts[v]
  end

  osctld_fmt(:ct_import, cmd_opts)
end

#listObject



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# File 'lib/osctl/cli/container.rb', line 90

def list
  if opts[:list]
    puts FIELDS.join("\n")
    return
  end

  cmd_opts = {}
  fmt_opts = {
    layout: :columns,
    sort: opts[:sort] && opts[:sort].split(',').map(&:to_sym),
  }

  FILTERS.each do |v|
    [gopts, opts].each do |options|
      next unless options[v]
      cmd_opts[v] = options[v].split(',')
    end
  end

  if opts[:ephemeral]
    cmd_opts[:ephemeral] = true
  elsif opts[:persistent]
    cmd_opts[:ephemeral] = false
  end

  cmd_opts[:ids] = args if args.count > 0
  fmt_opts[:header] = false if opts['hide-header']
  cols = opts[:output] ? opts[:output].split(',').map(&:to_sym) : DEFAULT_FIELDS

  c = osctld_open
  cts = cg_add_stats(
    c,
    c.cmd_data!(:ct_list, cmd_opts),
    lambda { |ct| ct[:group_path] },
    cols,
    gopts[:parsable]
  )

  add_loadavgs(cts)

  format_output(cts, cols, **fmt_opts)
end

#log_catObject



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# File 'lib/osctl/cli/container.rb', line 726

def log_cat
  require_args!('id')

  ct = osctld_call(:ct_show, id: args[0], pool: gopts[:pool])

  File.open(ct[:log_file]) do |f|
    puts f.readline until f.eof?
  end
end

#log_pathObject



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# File 'lib/osctl/cli/container.rb', line 736

def log_path
  require_args!('id')

  ct = osctld_call(:ct_show, id: args[0], pool: gopts[:pool])
  puts ct[:log_file]
end

#mountObject



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# File 'lib/osctl/cli/container.rb', line 205

def mount
  require_args!('id')
  osctld_fmt(:ct_mount, id: args[0], pool: gopts[:pool])
end

#mount_activateObject



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# File 'lib/osctl/cli/container.rb', line 1068

def mount_activate
  require_args!('id', 'mountpoint')

  osctld_fmt(
    :ct_mount_activate,
    id: args[0],
    pool: gopts[:pool],
    mountpoint: args[1]
  )
end

#mount_createObject



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# File 'lib/osctl/cli/container.rb', line 1011

def mount_create
  require_args!('id')

  osctld_fmt(
    :ct_mount_create,
    id: args[0],
    pool: gopts[:pool],
    fs: opts[:fs],
    mountpoint: opts[:mountpoint],
    type: opts[:type],
    opts: opts[:opts],
    automount: opts[:automount],
  )
end

#mount_datasetObject



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# File 'lib/osctl/cli/container.rb', line 1026

def mount_dataset
  require_args!('id', 'name', 'mountpoint')

  if opts[:ro] && opts[:rw]
    raise GLI::BadCommandLine, 'use either --ro or --rw, not both'

  elsif opts[:ro]
    mode = 'ro'

  elsif opts[:rw]
    mode = 'rw'

  else
    mode = 'rw'
  end

  osctld_fmt(
    :ct_mount_dataset,
    id: args[0],
    pool: gopts[:pool],
    name: args[1],
    mountpoint: args[2],
    mode: mode,
    automount: opts[:automount],
  )
end

#mount_deactivateObject



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# File 'lib/osctl/cli/container.rb', line 1079

def mount_deactivate
  require_args!('id', 'mountpoint')

  osctld_fmt(
    :ct_mount_deactivate,
    id: args[0],
    pool: gopts[:pool],
    mountpoint: args[1]
  )
end

#mount_deleteObject



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# File 'lib/osctl/cli/container.rb', line 1090

def mount_delete
  require_args!('id', 'mountpoint')

  osctld_fmt(
    :ct_mount_delete,
    id: args[0],
    pool: gopts[:pool],
    mountpoint: args[1]
  )
end

#mount_listObject



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# File 'lib/osctl/cli/container.rb', line 988

def mount_list
  if opts[:list]
    puts MOUNT_FIELDS.join("\n")
    return
  end

  require_args!('id')

  cmd_opts = {id: args[0], pool: gopts[:pool]}
  fmt_opts = {layout: :columns}

  fmt_opts[:header] = false if opts['hide-header']

  if opts[:output]
    cols = opts[:output].split(',').map(&:to_sym)

  else
    cols = MOUNT_FIELDS
  end

  osctld_fmt(:ct_mount_list, cmd_opts, cols, fmt_opts)
end

#mount_registerObject



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# File 'lib/osctl/cli/container.rb', line 1053

def mount_register
  require_args!('id', 'mountpoint')

  osctld_fmt(
    :ct_mount_register,
    id: args[0],
    pool: gopts[:pool],
    fs: opts[:fs],
    mountpoint: args[1],
    type: opts[:type],
    opts: opts[:opts],
    lock: !opts['on-ct-start'],
  )
end

#moveObject



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# File 'lib/osctl/cli/container.rb', line 555

def move
  require_args!('id', 'new-id')

  if args[1].include?(':')
    target_pool, target_id = args[1].split(':')
  else
    target_pool = opts[:pool]
    target_id = args[1]
  end

  cmd_opts = {
    pool: gopts[:pool],
    id: args[0],
    target_pool: target_pool,
    target_id: target_id,
  }

  cmd_opts[:target_user] = opts[:user] if opts[:user]
  cmd_opts[:target_group] = opts[:group] if opts[:group]
  cmd_opts[:target_dataset] = opts[:dataset] if opts[:dataset]

  osctld_fmt(:ct_move, cmd_opts)
end

#open_console(ctid, pool, tty, raw, &block) ⇒ Object



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# File 'lib/osctl/cli/container.rb', line 767

def open_console(ctid, pool, tty, raw, &block)
  if raw
    open_console_raw(ctid, pool, tty)

  else
    open_console_tty(ctid, pool, tty, &block)
  end
end

#open_console_raw(ctid, pool, tty) ⇒ Object



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# File 'lib/osctl/cli/container.rb', line 804

def open_console_raw(ctid, pool, tty)
  c = osctld_open
  c.cmd_response!(:ct_console, id: ctid, pool: pool, tty: tty)

  console = OsCtl::Console.new(c.socket, STDIN, STDOUT, raw: true)

  Signal.trap('TERM') do
    console.close
  end

  console.open
end

#open_console_tty(ctid, pool, tty) {|c| ... } ⇒ Object

Yields:

  • (c)


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# File 'lib/osctl/cli/container.rb', line 776

def open_console_tty(ctid, pool, tty)
  c = osctld_open
  c.cmd_response!(:ct_console, id: ctid, pool: pool, tty: tty)

  puts "Press Ctrl+a q to detach the console"
  puts

  state = `stty -g`
  `stty raw -echo -icanon -isig`

  pid = Process.fork do
    console = OsCtl::Console.new(c.socket, STDIN, STDOUT)

    Signal.trap('WINCH') do
      console.resize(*STDIN.winsize)
    end

    console.open
  end

  yield(c) if block_given?

  Process.wait(pid)

  `stty #{state}`
  puts
end

#passwdObject



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# File 'lib/osctl/cli/container.rb', line 647

def passwd
  require_args!('id', 'user')

  if args[2]
    password = args[2]

  else
    cli = HighLine.new
    password = cli.ask('Password: ') { |q| q.echo = false }.strip
  end

  osctld_fmt(
    :ct_passwd,
    id: args[0],
    pool: gopts[:pool],
    user: args[1],
    password: password
  )
end

#pidObject



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# File 'lib/osctl/cli/container.rb', line 748

def pid
  require_args!('pid|-')

  finder = PidFinder.new(header: !opts['hide-header'])

  if args[0] == '-'
    finder.find(STDIN.readline.strip.to_i) until STDIN.eof?

  else
    args.each { |pid| finder.find(pid.to_i) }
  end
end

#prlimit_listObject



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# File 'lib/osctl/cli/container.rb', line 888

def prlimit_list
  if opts[:list]
    puts PRLIMIT_FIELDS.join("\n")
    return
  end

  require_args!('id')

  cmd_opts = {id: args[0], pool: gopts[:pool]}
  fmt_opts = {layout: :columns}

  cmd_opts[:limits] = args[1..-1] if args.count > 1
  fmt_opts[:header] = false if opts['hide-header']

  if opts[:output]
    cols = opts[:output].split(',').map(&:to_sym)

  else
    cols = PRLIMIT_FIELDS
  end

  data = osctld_call(:ct_prlimit_list, cmd_opts)
  format_output(data.map { |k, v| v.merge(name: k)}, cols, **fmt_opts)
end

#prlimit_setObject



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# File 'lib/osctl/cli/container.rb', line 913

def prlimit_set
  require_args!('id', 'limit', 'value')

  soft, hard = args[2..3].map { |v| /^\d+$/ =~ v ? v.to_i : v }
  hard = soft if hard.nil?

  osctld_fmt(
    :ct_prlimit_set,
    id: args[0],
    pool: gopts[:pool],
    name: args[1],
    soft: soft,
    hard: hard
  )
end

#prlimit_unsetObject



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# File 'lib/osctl/cli/container.rb', line 929

def prlimit_unset
  require_args!('id', 'limit')

  do_cgparam_unset(
    :ct_prlimit_unset,
    id: args[0],
    pool: gopts[:pool],
    name: args[1]
  )
end

#reconfigureObject



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# File 'lib/osctl/cli/container.rb', line 743

def reconfigure
  require_args!('id')
  osctld_fmt(:ct_reconfigure, id: args[0], pool: gopts[:pool])
end

#recover_cleanupObject



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# File 'lib/osctl/cli/container.rb', line 1190

def recover_cleanup
  require_args!('id')

  cleanup = []
  cleanup << 'cgroups' if opts['cgroups']
  cleanup << 'netifs' if opts['network-interfaces']

  cleanup = 'all' if cleanup.empty?

  osctld_fmt(
    :ct_recover_cleanup,
    id: args[0],
    pool: gopts[:pool],
    force: opts[:force],
    cleanup: cleanup,
  )
end

#recover_killObject



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# File 'lib/osctl/cli/container.rb', line 1101

def recover_kill
  require_args!('id')

  if args[0].index(':')
    pool, id = args[0].split(':')
  else
    pool = gopts[:pool]
    id = args[0]
  end

  if args[1]
    if args[1] =~ /^\d+$/
      signal = Signal.list.key(args[1].to_i)

      if signal.nil?
        raise GLI::BadCommandLine, "invalid signal '#{args[1]}'"
      end
    else
      name = args[1].upcase

      if Signal.list.has_key?(name)
        signal = name
      else
        raise GLI::BadCommandLine, "invalid signal '#{args[1]}'"
      end
    end
  else
    signal = 'KILL'
  end

  pl = OsCtl::Lib::ProcessList.new do |p|
    ctid = p.ct_id

    next(false) if ctid.nil?

    if pool.nil?
      if ctid[1] == id
        pool = ctid[0]
      else
        next(false)
      end
    end

    ctid[0] == pool && ctid[1] == id
  end

  if pl.empty?
    puts "No processes found"
    return
  end

  out_cols, out_data = Ps::Columns.generate(
    pl,
    Ps::Columns::DEFAULT,
    gopts[:parsable],
  )

  OsCtl::Lib::Cli::OutputFormatter.print(
    out_data,
    out_cols,
    layout: :columns,
    header: true,
  )

  puts
  STDOUT.write("Kill #{pl.length} processes with SIG#{signal}? [yes/NO]: ")
  STDOUT.flush

  if STDIN.readline.strip.downcase == 'yes'
    pl.each do |p|
      puts "kill -SIG#{signal} #{p.pid}"
      Process.kill(signal, p.pid)
    end
  else
    puts "Aborted"
  end
end

#recover_stateObject



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# File 'lib/osctl/cli/container.rb', line 1179

def recover_state
  require_args!('id')

  osctld_fmt(
    :ct_recover_state,
    id: args[0],
    pool: gopts[:pool],
    manipulation_lock: opts[:lock] ? nil : 'ignore',
  )
end

#reinstallObject



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# File 'lib/osctl/cli/container.rb', line 180

def reinstall
  require_args!('id')

  cmd_opts = {
    id: args[0],
    pool: opts[:pool] || gopts[:pool],
    repository: opts[:repository],
    remove_snapshots: opts['remove-snapshots'],
  }

  if opts['from-file']
    cmd_opts.update(
      type: :image,
      path: File.absolute_path(opts['from-file']),
    )
  else
    cmd_opts.update(
      type: :remote,
      image: repo_image_attrs(defaults: false),
    )
  end

  osctld_fmt(:ct_reinstall, cmd_opts)
end

#repo_image_attrs(defaults: true) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1271

def repo_image_attrs(defaults: true)
  ret = {}

  if defaults
    ret[:vendor] ||= opts[:vendor] || 'default'
    ret[:variant] ||= opts[:variant] || 'default'
    ret[:arch] ||= opts[:arch] || `uname -m`.strip
    ret[:distribution] ||= opts[:distribution]
    ret[:version] ||= opts[:version] || 'stable'
  else
    ret[:vendor] ||= opts[:vendor]
    ret[:variant] ||= opts[:variant]
    ret[:arch] ||= opts[:arch]
    ret[:distribution] ||= opts[:distribution]
    ret[:version] ||= opts[:version]
  end

  ret
end

#restartObject



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# File 'lib/osctl/cli/container.rb', line 257

def restart
  require_args!('id')

  if opts[:kill] && opts['dont-kill']
    raise GLI::BadCommandLine, '--kill and --dont-kill cannot be used together'

  elsif (opts[:kill] || opts['dont-kill']) && opts[:reboot]
    raise GLI::BadCommandLine, '--kill and --dont-kill cannot be used with --reboot'

  elsif opts[:kill]
    m = :kill

  elsif opts['dont-kill']
    m = :shutdown_or_fail

  else
    m = :shutdown_or_kill
  end

  cmd_opts = {
    id: args[0],
    pool: gopts[:pool],
    wait: get_ct_wait(opts[:wait]),
    reboot: opts[:reboot],
    stop_timeout: opts[:timeout],
    stop_method: m,
  }

  return osctld_fmt(:ct_restart, cmd_opts) unless opts[:foreground]

  open_console(args[0], gopts[:pool], 0, gopts[:json]) do |sock|
    sock.close if osctld_resp(:ct_restart, cmd_opts).error?
  end
end

#runscriptObject



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# File 'lib/osctl/cli/container.rb', line 332

def runscript
  require_args!('id', 'script')

  c = osctld_open
  cont = c.cmd_data!(
    :ct_runscript,
    id: args[0],
    pool: gopts[:pool],
    script: File.realpath(args[1]),
    arguments: args[2..-1],
    run: opts['run-container'],
    network: opts['network'],
  )

  if cont != 'continue'
    warn "runscript not available: invalid response '#{cont}'"
    exit(false)
  end

  handle_exec_io(c)
end

#set(option) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1255

def set(option)
  require_args!('id')
  cmd_opts = {id: args[0], pool: gopts[:pool]}
  cmd_opts[option] = yield(args[1..-1])

  osctld_fmt(:ct_set, cmd_opts)
end

#set_attrObject



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# File 'lib/osctl/cli/container.rb', line 510

def set_attr
  require_args!('id', 'attribute', 'value')
  do_set_attr(
    :ct_set,
    {id: args[0], pool: gopts[:pool]},
    args[1],
    args[2],
  )
end

#set_autostartObject



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# File 'lib/osctl/cli/container.rb', line 361

def set_autostart
  set(:autostart) do
    {
      priority: opts[:priority],
      delay: opts[:delay],
    }
  end
end

#set_cpu_limitObject



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# File 'lib/osctl/cli/container.rb', line 485

def set_cpu_limit
  require_args!('id', 'limit')
  do_set_cpu_limit(:ct_cgparam_set, id: args[0], pool: gopts[:pool])
end

#set_distributionObject



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# File 'lib/osctl/cli/container.rb', line 413

def set_distribution
  set(:distribution) do |args|
    if args.count < 2 || args.count > 3
      raise GLI::BadCommandLine, 'expected <distribution> <version> [arch]'
    end

    {
      name: args[0],
      version: args[1],
      arch: args[2],
    }
  end
end

#set_dns_resolverObject



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# File 'lib/osctl/cli/container.rb', line 392

def set_dns_resolver
  set(:dns_resolvers) do |args|
    raise GLI::BadCommandLine, 'expected at least one address' if args.empty?
    args
  end
end

#set_ephemeralObject



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# File 'lib/osctl/cli/container.rb', line 374

def set_ephemeral
  set(:ephemeral) { true }
end

#set_hostnameObject



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# File 'lib/osctl/cli/container.rb', line 382

def set_hostname
  set(:hostname) do |args|
    args[0] || (fail 'expected hostname')
  end
end

#set_image_configObject



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# File 'lib/osctl/cli/container.rb', line 427

def set_image_config
  require_args!('id')

  cmd_opts = {
    id: args[0],
    pool: opts[:pool] || gopts[:pool],
    repository: opts[:repository],
    image: repo_image_attrs(defaults: false),
  }

  if opts['from-file']
    cmd_opts.update(
      type: :image,
      path: File.absolute_path(opts['from-file']),
    )
  else
    cmd_opts.update(
      type: :remote,
    )
  end

  osctld_fmt(:ct_set_image_config, cmd_opts)
end

#set_init_cmdObject



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# File 'lib/osctl/cli/container.rb', line 469

def set_init_cmd
  set(:init_cmd) { |args| args }
end

#set_memoryObject



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# File 'lib/osctl/cli/container.rb', line 495

def set_memory
  require_args!('id', 'memory')
  do_set_memory(
    :ct_cgparam_set,
    :ct_cgparam_unset,
    id: args[0],
    pool: gopts[:pool]
  )
end

#set_nestingObject



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# File 'lib/osctl/cli/container.rb', line 403

def set_nesting
  set(:nesting) do |args|
    true
  end
end

#set_raw_lxcObject



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# File 'lib/osctl/cli/container.rb', line 477

def set_raw_lxc
  set(:raw_lxc) { |args| STDIN.read }
end

#set_seccomp_profileObject



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# File 'lib/osctl/cli/container.rb', line 451

def set_seccomp_profile
  set(:seccomp_profile) do |args|
    if args.count != 1
      raise GLI::BadCommandLine, 'expected <profile>'

    elsif !File.exist?(args[0])
      raise GLI::BadCommandLine, "file '#{args[0]}' does not exist"

    else
      File.absolute_path(args[0])
    end
  end
end

#showObject



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# File 'lib/osctl/cli/container.rb', line 143

def show
  if opts[:list]
    puts FIELDS.join("\n")
    return
  end

  require_args!('id')

  cols = opts[:output] ? opts[:output].split(',').map(&:to_sym) : FIELDS

  c = osctld_open
  ct = c.cmd_data!(:ct_show, id: args[0], pool: gopts[:pool])

  cg_add_stats(c, ct, ct[:group_path], cols, gopts[:parsable])
  c.close

  add_loadavg(ct)

  format_output(ct, cols, header: !opts['hide-header'])
end

#startObject



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# File 'lib/osctl/cli/container.rb', line 210

def start
  require_args!('id')
  cmd_opts = {
    id: args[0],
    pool: gopts[:pool],
    wait: get_ct_wait(opts[:wait]),
    queue: opts[:queue],
    priority: opts[:priority],
    debug: opts[:debug],
  }
  return osctld_fmt(:ct_start, cmd_opts) unless opts[:foreground]

  open_console(args[0], gopts[:pool], 0, gopts[:json]) do |sock|
    sock.close if osctld_resp(:ct_start, cmd_opts).error?
  end
end

#stopObject



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# File 'lib/osctl/cli/container.rb', line 227

def stop
  require_args!('id')

  if opts[:kill] && opts['dont-kill']
    raise GLI::BadCommandLine, '--kill and --dont-kill cannot be used together'

  elsif opts[:kill]
    m = :kill

  elsif opts['dont-kill']
    m = :shutdown_or_fail

  else
    m = :shutdown_or_kill
  end

  cmd_opts = {
    id: args[0],
    pool: gopts[:pool],
    timeout: opts[:timeout],
    method: m,
  }

  return osctld_fmt(:ct_stop, cmd_opts) unless opts[:foreground]

  open_console(args[0], gopts[:pool], 0, gopts[:json]) do |sock|
    sock.close if osctld_resp(:ct_stop, cmd_opts).error?
  end
end

#suObject



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# File 'lib/osctl/cli/container.rb', line 354

def su
  require_args!('id')

  cmd = osctld_call(:ct_su, id: args[0], pool: gopts[:pool])
  handle_ct_attach(cmd)
end

#treeObject



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# File 'lib/osctl/cli/container.rb', line 133

def tree
  require_args!('pool')
  Tree.print(
    args[0],
    parsable: gopts[:parsable],
    color: gopts[:color],
    containers: true
  )
end

#unset(option) ⇒ Object (protected)



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# File 'lib/osctl/cli/container.rb', line 1263

def unset(option)
  require_args!('id')
  cmd_opts = {id: args[0], pool: gopts[:pool]}
  cmd_opts[option] = block_given? ? yield(args[1..-1]) : true

  osctld_fmt(:ct_unset, cmd_opts)
end

#unset_attrObject



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# File 'lib/osctl/cli/container.rb', line 520

def unset_attr
  require_args!('id', 'attribute')
  do_unset_attr(
    :ct_unset,
    {id: args[0], pool: gopts[:pool]},
    args[1],
  )
end

#unset_autostartObject



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# File 'lib/osctl/cli/container.rb', line 370

def unset_autostart
  unset(:autostart)
end

#unset_cpu_limitObject



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# File 'lib/osctl/cli/container.rb', line 490

def unset_cpu_limit
  require_args!('id')
  do_unset_cpu_limit(:ct_cgparam_unset, id: args[0], pool: gopts[:pool])
end

#unset_dns_resolverObject



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# File 'lib/osctl/cli/container.rb', line 399

def unset_dns_resolver
  unset(:dns_resolvers)
end

#unset_ephemeralObject



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# File 'lib/osctl/cli/container.rb', line 378

def unset_ephemeral
  unset(:ephemeral)
end

#unset_hostnameObject



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# File 'lib/osctl/cli/container.rb', line 388

def unset_hostname
  unset(:hostname)
end

#unset_init_cmdObject



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# File 'lib/osctl/cli/container.rb', line 473

def unset_init_cmd
  unset(:init_cmd)
end

#unset_memoryObject



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# File 'lib/osctl/cli/container.rb', line 505

def unset_memory
  require_args!('id')
  do_unset_memory(:ct_cgparam_unset, id: args[0], pool: gopts[:pool])
end

#unset_nestingObject



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# File 'lib/osctl/cli/container.rb', line 409

def unset_nesting
  unset(:nesting)
end

#unset_raw_lxcObject



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# File 'lib/osctl/cli/container.rb', line 481

def unset_raw_lxc
  unset(:raw_lxc)
end

#unset_seccomp_profileObject



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# File 'lib/osctl/cli/container.rb', line 465

def unset_seccomp_profile
  unset(:seccomp_profile)
end