89 lines
3.0 KiB
Python
89 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.yum")
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#root yum command
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YUM_CMD = ['yum']
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#tolerant is enabled since we might already have it installed/erased
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YUM_INSTALL = ["install", "-y", "-t"]
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YUM_REMOVE = ['erase', '-y', "-t"]
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#yum separates its pkg names and versions with a dash
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VERSION_TEMPL = "%s-%s"
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class YumPackager(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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def _format_pkg_name(self, name, version):
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if version is not None and len(version):
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return VERSION_TEMPL % (name, version)
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else:
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return name
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def _execute_yum(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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**kargs)
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def _remove_special(self, pkgname, pkginfo):
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return False
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def _install_special(self, pkgname, pkginfo):
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return False
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def install_batch(self, pkgs):
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pkg_names = sorted(pkgs.keys())
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pkg_full_names = list()
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for name in pkg_names:
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info = pkgs.get(name) or {}
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if self._install_special(name, info):
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continue
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full_pkg_name = self._format_pkg_name(name, info.get("version"))
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if full_pkg_name:
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pkg_full_names.append(full_pkg_name)
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if pkg_full_names:
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cmd = YUM_CMD + YUM_INSTALL + pkg_full_names
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self._execute_yum(cmd)
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def remove_batch(self, pkgs):
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pkg_names = sorted(pkgs.keys())
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pkg_full_names = []
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which_removed = []
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for name in pkg_names:
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info = pkgs.get(name) or {}
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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._remove_special(name, info):
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which_removed.append(name)
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continue
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full_pkg_name = self._format_pkg_name(name, info.get("version"))
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if full_pkg_name:
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pkg_full_names.append(full_pkg_name)
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which_removed.append(name)
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if pkg_full_names:
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cmd = YUM_CMD + YUM_REMOVE + pkg_full_names
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self._execute_yum(cmd)
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return which_removed
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