Current File : //usr/lib/python2.7/site-packages/salt/modules/layman.py
# -*- coding: utf-8 -*-
'''
Support for Layman
'''
from __future__ import absolute_import, print_function, unicode_literals
import salt.utils.path
import salt.exceptions
def __virtual__():
'''
Only work on Gentoo systems with layman installed
'''
if __grains__['os'] == 'Gentoo' and salt.utils.path.which('layman'):
return 'layman'
return (False, 'layman execution module cannot be loaded: only available on Gentoo with layman installed.')
def _get_makeconf():
'''
Find the correct make.conf. Gentoo recently moved the make.conf
but still supports the old location, using the old location first
'''
old_conf = '/etc/make.conf'
new_conf = '/etc/portage/make.conf'
if __salt__['file.file_exists'](old_conf):
return old_conf
elif __salt__['file.file_exists'](new_conf):
return new_conf
def add(overlay):
'''
Add the given overlay from the cached remote list to your locally
installed overlays. Specify 'ALL' to add all overlays from the
remote list.
Return a list of the new overlay(s) added:
CLI Example:
.. code-block:: bash
salt '*' layman.add <overlay name>
'''
ret = list()
old_overlays = list_local()
cmd = 'layman --quietness=0 --add {0}'.format(overlay)
add_attempt = __salt__['cmd.run_all'](cmd, python_shell=False, stdin='y')
if add_attempt['retcode'] != 0:
raise salt.exceptions.CommandExecutionError(add_attempt['stdout'])
new_overlays = list_local()
# If we did not have any overlays before and we successfully added
# a new one. We need to ensure the make.conf is sourcing layman's
# make.conf so emerge can see the overlays
if len(old_overlays) == 0 and len(new_overlays) > 0:
srcline = 'source /var/lib/layman/make.conf'
makeconf = _get_makeconf()
if not __salt__['file.contains'](makeconf, 'layman'):
__salt__['file.append'](makeconf, srcline)
ret = [overlay for overlay in new_overlays if overlay not in old_overlays]
return ret
def delete(overlay):
'''
Remove the given overlay from the your locally installed overlays.
Specify 'ALL' to remove all overlays.
Return a list of the overlays(s) that were removed:
CLI Example:
.. code-block:: bash
salt '*' layman.delete <overlay name>
'''
ret = list()
old_overlays = list_local()
cmd = 'layman --quietness=0 --delete {0}'.format(overlay)
delete_attempt = __salt__['cmd.run_all'](cmd, python_shell=False)
if delete_attempt['retcode'] != 0:
raise salt.exceptions.CommandExecutionError(delete_attempt['stdout'])
new_overlays = list_local()
# If we now have no overlays added, We need to ensure that the make.conf
# does not source layman's make.conf, as it will break emerge
if len(new_overlays) == 0:
srcline = 'source /var/lib/layman/make.conf'
makeconf = _get_makeconf()
if __salt__['file.contains'](makeconf, 'layman'):
__salt__['file.sed'](makeconf, srcline, '')
ret = [overlay for overlay in old_overlays if overlay not in new_overlays]
return ret
def sync(overlay='ALL'):
'''
Update the specified overlay. Use 'ALL' to synchronize all overlays.
This is the default if no overlay is specified.
overlay
Name of the overlay to sync. (Defaults to 'ALL')
CLI Example:
.. code-block:: bash
salt '*' layman.sync
'''
cmd = 'layman --quietness=0 --sync {0}'.format(overlay)
return __salt__['cmd.retcode'](cmd, python_shell=False) == 0
def list_local():
'''
List the locally installed overlays.
Return a list of installed overlays:
CLI Example:
.. code-block:: bash
salt '*' layman.list_local
'''
cmd = 'layman --quietness=1 --list-local --nocolor'
out = __salt__['cmd.run'](cmd, python_shell=False).split('\n')
ret = [line.split()[1] for line in out if len(line.split()) > 2]
return ret
def list_all():
'''
List all overlays, including remote ones.
Return a list of available overlays:
CLI Example:
.. code-block:: bash
salt '*' layman.list_all
'''
cmd = 'layman --quietness=1 --list --nocolor'
out = __salt__['cmd.run'](cmd, python_shell=False).split('\n')
ret = [line.split()[1] for line in out if len(line.split()) > 2]
return ret
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