mirror of
https://github.com/munki/munki.git
synced 2026-05-03 19:10:21 -05:00
Greg Neagle
0c03c28b05
Added precache_agent and code to run it at the end of a Munki updatecheck. Updated make_munki_mpkg* scripts to include the new precache_agent in the core package.
92 lines
3.1 KiB
Python
Executable File
92 lines
3.1 KiB
Python
Executable File
#!/usr/bin/python
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# encoding: utf-8
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#
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# Copyright 2018 Greg Neagle.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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precaching
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Created by Greg Neagle on 2018-05-06.
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Module for precaching optional installs with installed=False and precache=True.
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"""
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import os
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import sys
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from . import download
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from .. import FoundationPlist
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from .. import display
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from .. import fetch
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from .. import launchd
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from .. import prefs
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def _installinfo():
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'''Get the install info from InstallInfo.plist'''
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managed_install_dir = prefs.pref('ManagedInstallDir')
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install_info_plist = os.path.join(managed_install_dir, 'InstallInfo.plist')
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try:
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return FoundationPlist.readPlist(install_info_plist)
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except FoundationPlist.FoundationPlistException:
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return {}
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def _items_to_precache(install_info):
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'''Returns a list of items from InstallInfo.plist's optional_installs
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that have precache=True and installed=False'''
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optional_install_items = install_info.get('optional_installs', [])
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precache_items = [item for item in optional_install_items
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if item.get('precache') and not item.get('installed')]
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return precache_items
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def cache():
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'''Download any applicable precache items into our Cache folder'''
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install_info = _installinfo()
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for item in _items_to_precache(install_info):
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try:
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download.download_installeritem(item, install_info)
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except fetch.Error, err:
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display.display_warning(
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'Failed to precache the installer for %s because %s',
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item['name'], unicode(err))
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def run_agent():
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'''Kick off a run of our precaching agent, which allows the precaching to
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run in the background after a normal Munki run'''
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parent_dir = (
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os.path.dirname(
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os.path.dirname(
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os.path.dirname(
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os.path.abspath(__file__)))))
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precache_agent_path = os.path.join(parent_dir, 'precache_agent')
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if not os.path.exists(precache_agent_path):
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# try absolute path in Munki's normal install dir
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precache_agent_path = '/usr/local/munki/precache_agent'
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if os.path.exists(precache_agent_path):
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try:
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job = launchd.Job([precache_agent_path] , cleanup_at_exit=False)
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job.start()
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except launchd.LaunchdJobException as err:
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display.display_error(
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'Error with launchd job (%s): %s', precache_agent_path, err)
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else:
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display.display_error("Could not find precache_agent")
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if __name__ == '__main__':
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print 'This is a library of support tools for the Munki Suite.'
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