97 lines
3.0 KiB
Python
97 lines
3.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from devstack import log as logging
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from devstack import packager as pack
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from devstack import shell as sh
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LOG = logging.getLogger("devstack.packaging.apt")
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# Base apt commands
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APT_GET = ['apt-get']
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APT_PURGE = ["purge", "-y"]
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APT_REMOVE = ["remove", "-y"]
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APT_INSTALL = ["install", "-y"]
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APT_AUTOREMOVE = ['autoremove', '-y']
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# Should we use remove or purge?
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APT_DO_REMOVE = APT_PURGE
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# Make sure its non-interactive
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# http://awaseconfigurations.wordpress.com/tag/debian_frontend/
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ENV_ADDITIONS = {'DEBIAN_FRONTEND': 'noninteractive'}
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# Apt separates its pkg names and versions with a equal sign
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VERSION_TEMPL = "%s=%s"
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class AptPackager(pack.Packager):
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def __init__(self, distro, keep_packages):
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pack.Packager.__init__(self, distro, keep_packages)
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self.auto_remove = True
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def _format_pkg(self, name, version):
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if version:
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pkg_full_name = VERSION_TEMPL % (name, version)
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else:
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pkg_full_name = name
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return pkg_full_name
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def _execute_apt(self, cmd, **kargs):
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return sh.execute(*cmd, run_as_root=True,
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check_exit_code=True,
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env_overrides=ENV_ADDITIONS,
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**kargs)
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def _remove_batch(self, pkgs):
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cmds = []
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which_removed = []
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for info in pkgs:
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name = info['name']
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removable = info.get('removable', True)
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if not removable:
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continue
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if self._pkg_remove_special(name, info):
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which_removed.append(name)
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continue
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pkg_full = self._format_pkg(name, info.get("version"))
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if pkg_full:
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cmds.append(pkg_full)
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which_removed.append(name)
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if cmds:
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cmd = APT_GET + APT_DO_REMOVE + cmds
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self._execute_apt(cmd)
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if which_removed and self.auto_remove:
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cmd = APT_GET + APT_AUTOREMOVE
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self._execute_apt(cmd)
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return which_removed
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def install(self, pkg):
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name = pkg['name']
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if self._pkg_install_special(name, pkg):
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return
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else:
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pkg_full = self._format_pkg(name, pkg.get("version"))
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cmd = APT_GET + APT_INSTALL + [pkg_full]
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self._execute_apt(cmd)
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def _pkg_remove_special(self, name, info):
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return False
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def _pkg_install_special(self, name, info):
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return False
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