Fabio Erculiani
d6295b3e00
using /tmp as TMPDIR is a no go, since on modern systems, /tmp is on tmpfs with a very limited amount of fs size assigned. Use /var/tmp/entropy (or /var/tmp as fallback) instead.
898 lines
28 KiB
Python
898 lines
28 KiB
Python
# -*- coding: utf-8 -*-
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"""
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@author: Fabio Erculiani <lxnay@sabayon.org>
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@contact: lxnay@sabayon.org
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@copyright: Fabio Erculiani
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@license: GPL-2
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B{Entropy Command Line Client}.
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"""
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import os
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import errno
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import sys
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import argparse
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from entropy.i18n import _
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from entropy.output import red, bold, brown, blue, darkred, darkgreen, \
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purple, teal
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from entropy.const import etpConst, const_mkstemp
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from entropy.exceptions import SystemDatabaseError
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from entropy.db.exceptions import OperationalError, DatabaseError
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from entropy.client.interfaces.db import InstalledPackagesRepository
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from solo.commands.descriptor import SoloCommandDescriptor
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from solo.commands.command import SoloCommand
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import entropy.tools
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class SoloRescue(SoloCommand):
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"""
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Main Solo Rescue command.
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"""
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NAME = "rescue"
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ALIASES = []
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ALLOW_UNPRIVILEGED = False
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INTRODUCTION = """\
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Tools to rescue the running system.
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"""
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SEE_ALSO = ""
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def __init__(self, args):
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SoloCommand.__init__(self, args)
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self._nsargs = None
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self._commands = {}
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def man(self):
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"""
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Overridden from SoloCommand.
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"""
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return self._man()
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def _get_parser(self):
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"""
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Overridden from SoloCommand.
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"""
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_commands = {}
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descriptor = SoloCommandDescriptor.obtain_descriptor(
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SoloRescue.NAME)
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parser = argparse.ArgumentParser(
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description=descriptor.get_description(),
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formatter_class=argparse.RawDescriptionHelpFormatter,
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prog="%s %s" % (sys.argv[0], SoloRescue.NAME))
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subparsers = parser.add_subparsers(
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title="action",
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description=_("execute advanced tasks on packages"),
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help=_("available commands"))
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def _add_ask_to_parser(p, _cmd_dict):
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p.add_argument(
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"--ask", "-a", action="store_true",
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default=False,
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help=_("ask before making any changes"))
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_cmd_dict["--ask"] = {}
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_cmd_dict["-a"] = {}
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def _add_pretend_to_parser(p, _cmd_dict):
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p.add_argument(
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"--pretend", "-p", action="store_true",
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default=False,
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help=_("show what would be done"))
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_cmd_dict["--pretend"] = {}
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_cmd_dict["-p"] = {}
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check_parser = subparsers.add_parser(
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"check", help=_("check installed packages "
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"repository for errors"))
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check_parser.set_defaults(func=self._check)
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_commands["check"] = {}
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vacuum_parser = subparsers.add_parser(
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"vacuum",
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help=_("compact the installed packages repository"))
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vacuum_parser.set_defaults(func=self._vacuum)
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_commands["vacuum"] = {}
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generate_parser = subparsers.add_parser(
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"generate",
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help=_("re-generate the installed packages repository"
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" using the Source Package Manager"))
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generate_parser.set_defaults(func=self._generate)
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_commands["generate"] = {}
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spmuids_parser = subparsers.add_parser(
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"spmuids",
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help=_("re-generate SPM<->Entropy package UIDs mapping"))
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spmuids_parser.set_defaults(func=self._spmuids)
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_commands["spmuids"] = {}
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spmsync_parser = subparsers.add_parser(
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"spmsync",
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help=_("update Entropy installed packages repository "
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"merging Source Package Manager changes"))
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_cmd_dict = {}
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_commands["spmsync"] = _cmd_dict
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mg_group = spmsync_parser.add_mutually_exclusive_group()
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_add_ask_to_parser(mg_group, _cmd_dict)
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_add_pretend_to_parser(mg_group, _cmd_dict)
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spmsync_parser.set_defaults(func=self._spmsync)
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backup_parser = subparsers.add_parser(
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"backup",
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help=_("create a backup of the installed packages repository"))
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backup_parser.set_defaults(func=self._backup)
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_commands["backup"] = {}
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restore_parser = subparsers.add_parser(
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"restore",
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help=_("restore a backup of the installed "
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"packages repository"))
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restore_parser.set_defaults(func=self._restore)
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_commands["restore"] = {}
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self._commands = _commands
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return parser
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def parse(self):
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"""
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Parse command
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"""
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parser = self._get_parser()
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try:
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nsargs = parser.parse_args(self._args)
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except IOError as err:
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sys.stderr.write("%s\n" % (err,))
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return parser.print_help, []
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self._nsargs = nsargs
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return self._call_locked, [nsargs.func]
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def bashcomp(self, last_arg):
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"""
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Overridden from SoloCommand.
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"""
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self._get_parser() # this will generate self._commands
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return self._hierarchical_bashcomp(last_arg, [], self._commands)
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def _check_repository(self, entropy_client, repo):
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"""
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Sanity check the Installed Packages repository.
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"""
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try:
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repo.validate()
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repo.integrity_check()
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except SystemDatabaseError as err:
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entropy_client.output(
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"%s: %s" % (
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darkred(_("Repository error")),
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err,),
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level="warning"
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)
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return 1
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entropy_client.output(
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"%s: %s" % (
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brown(_("Sanity Check")),
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darkgreen(_("installed packages repository")),
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),
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importance=1,
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level="info"
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)
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scanning_txt = _("Scanning...")
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count = 0
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length = 0
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package_ids = None
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try:
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package_ids = repo.listAllPackageIds()
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length = len(package_ids)
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except DatabaseError as err:
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entropy.tools.print_traceback()
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entropy_client.output(
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"%s: %s" % (
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darkred(_("Error")),
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err,
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),
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importance=1,
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level="warning"
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)
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return 1
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_errors = False
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for package_id in package_ids:
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count += 1
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entropy_client.output(
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darkgreen(scanning_txt),
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level="info",
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back=True,
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count=(count, length),
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percent=True
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)
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try:
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repo.getPackageData(package_id)
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except Exception as err:
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entropy.tools.print_traceback()
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entropy_client.output(
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"%s: %s" % (
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darkred(_("Error checking package")),
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err,
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),
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level="warning"
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)
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_errors = True
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if _errors:
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entropy_client.output(
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"%s: %s" % (
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brown(_("Sanity Check")),
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bold(_("corrupted"))),
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importance=1,
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level="warning"
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)
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return 1
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entropy_client.output(
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"%s: %s" % (
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brown(_("Sanity Check")),
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bold(_("passed"))),
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importance=1,
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level="info"
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)
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return 0
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def _check(self, entropy_client):
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"""
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Solo Smart Check command.
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"""
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return self._check_repository(
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entropy_client,
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entropy_client.installed_repository())
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def _vacuum(self, entropy_client):
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"""
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Solo Smart Vacuum command.
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"""
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inst_repo = entropy_client.installed_repository()
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entropy_client.output(
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"%s..." % (
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brown(_("Compacting the Installed Packages repository")),
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),
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importance=1,
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level="info",
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header=darkgreen(" @@ "),
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back=True
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)
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inst_repo.dropAllIndexes()
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inst_repo.vacuum()
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inst_repo.commit()
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entropy_client.output(
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"%s." % (
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brown(_("Compaction complete")),
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),
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importance=1,
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level="info",
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header=darkgreen(" @@ ")
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)
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return 0
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def _backup_repository(self, entropy_client, repo, path):
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"""
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Create a backup of the given Repository.
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"""
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if not os.path.isfile(path):
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# return True if the repository is not available
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return True, None
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repo_dir = os.path.dirname(path)
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# make sure to commit any transaction before backing-up
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repo.commit()
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backed_up, msg = entropy_client.backup_repository(
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repo.repository_id(), repo_dir)
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return backed_up, msg
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def _generate(self, entropy_client):
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"""
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Solo Smart Generate command.
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"""
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mytxt = "%s: %s" % (
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brown(_("Attention")),
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darkred(_("the Installed Packages repository "
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"will be re-generated using the "
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"Source Package Manager")),
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)
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entropy_client.output(
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mytxt,
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level="warning",
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importance=1)
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mytxt = "%s: %s" % (
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brown(_("Attention")),
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darkred(_("I am not joking, this is quite disruptive")),
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)
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entropy_client.output(
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mytxt,
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level="warning",
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importance=1)
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rc = entropy_client.ask_question(
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" %s" % (_("Understood ?"),))
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if rc == _("No"):
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return 1
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rc = entropy_client.ask_question(
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" %s" % (_("Really ?"),) )
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if rc == _("No"):
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return 1
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rc = entropy_client.ask_question(
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" %s. %s" % (
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_("This is your last chance"),
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_("Ok?"),)
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)
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if rc == _("No"):
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return 1
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# clean caches
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spm = entropy_client.Spm()
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entropy_client.clear_cache()
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inst_repo = entropy_client.installed_repository()
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# try to get a list of current package ids, if possible
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try:
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package_ids = inst_repo.listAllPackageIds()
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except Exception as err:
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entropy.tools.print_traceback()
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entropy_client.output(
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"%s: %s" % (
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darkred(_("Cannot read metadata")),
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err,
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),
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level="warning"
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)
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package_ids = []
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# try to collect current installed revisions if possible
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# and do the same for digest
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revisions_match = {}
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digest_match = {}
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for package_id in package_ids:
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try:
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atom = inst_repo.retrieveAtom(
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package_id)
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revisions_match[atom] = inst_repo.retrieveRevision(
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package_id)
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digest_match[atom] = inst_repo.retrieveDigest(
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package_id)
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except Exception as err:
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entropy.tools.print_traceback()
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entropy_client.output(
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"%s: %s" % (
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darkred(_("Cannot read metadata")),
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err,
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),
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level="warning"
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)
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repo_path = entropy_client.installed_repository_path()
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entropy_client.output(
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darkgreen(_("Creating a backup of the current repository")),
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level="info",
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importance=1,
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header=darkred(" @@ "))
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entropy_client.output(
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repo_path,
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header=" ")
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backed_up, msg = self._backup_repository(
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entropy_client, inst_repo, repo_path)
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if not backed_up:
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mytxt = "%s: %s" % (
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darkred(_("Cannot backup the repository")),
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brown("%s" % msg),)
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entropy_client.output(
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mytxt,
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level="error",
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importance=1,
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header=darkred(" @@ "))
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return 1
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entropy_client.close_installed_repository()
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# repository will be re-opened automagically
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# at the next access.
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try:
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os.remove(repo_path)
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except OSError as err:
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if err.errno != errno.ENOENT:
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mytxt = "%s: %s" % (
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purple(_("Cannot delete old repository")),
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brown("%s" % err),)
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entropy_client.output(
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mytxt,
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level="warning",
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importance=1,
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header=darkred(" @@ "))
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return 1
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entropy_client.output(
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purple(_("Initializing a new repository")),
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importance=1,
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header=darkred(" @@ "))
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entropy_client.output(
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brown(repo_path),
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header=" ")
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# open a repository at the old path, if repo_path is
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# not in place, Entropy will forward us to the in-RAM
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# database (for sqlite), which is not what we want.
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gen_repo = entropy_client.open_generic_repository(
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repo_path, dbname=InstalledPackagesRepository.NAME,
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xcache=False, skip_checks=True)
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gen_repo.initializeRepository()
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gen_repo.commit()
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gen_repo.close()
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entropy_client.reopen_installed_repository()
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inst_repo = entropy_client.installed_repository()
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entropy_client.output(
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purple(_("Repository initialized, generating metadata")),
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importance=1,
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header=darkred(" @@ "))
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spm_packages = spm.get_installed_packages()
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total = len(spm_packages)
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count = 0
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# perf: reuse temp file
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tmp_fd, tmp_path = const_mkstemp(
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prefix="equo.rescue.generate")
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os.close(tmp_fd)
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for spm_package in spm_packages:
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count += 1
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# make sure the file is empty
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with open(tmp_path, "w") as tmp_f:
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tmp_f.flush()
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entropy_client.output(
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teal(spm_package),
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count=(count, total),
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back=True,
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header=brown(" @@ "))
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appended = spm.append_metadata_to_package(
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spm_package, tmp_path)
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if not appended:
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entropy_client.output(
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"%s: %s" % (
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purple(_("Invalid package")),
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teal(spm_package),),
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importance=1,
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header=darkred(" @@ "))
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continue
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try:
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data = spm.extract_package_metadata(tmp_path)
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except Exception as err:
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entropy.tools.print_traceback()
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entropy_client.output(
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"%s, %s: %s" % (
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teal(spm_package),
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purple(_("Metadata generation error")),
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err,
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),
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level="warning",
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importance=1,
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header=darkred(" @@ ")
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)
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continue
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# Try to see if it's possible to use
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# the revision of a possible old db
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data['revision'] = etpConst['spmetprev']
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# create atom string
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atom = entropy.dep.create_package_atom_string(
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data['category'],
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data['name'],
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data['version'],
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data['versiontag'])
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# now see if a revision is available
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saved_rev = revisions_match.get(atom)
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if saved_rev is not None:
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saved_rev = saved_rev
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data['revision'] = saved_rev
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# set digest to "0" to disable entropy dependencies
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# calculation check that forces the pkg to
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# be pulled in if digest differs from the one on the repo
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saved_digest = digest_match.get(atom, "0")
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data['digest'] = saved_digest
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package_id = inst_repo.addPackage(data,
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revision = data['revision'])
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inst_repo.storeInstalledPackage(package_id,
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etpConst['spmdbid'])
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inst_repo.commit()
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try:
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os.remove(tmp_path)
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except OSError:
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pass
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entropy_client.output(
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purple(_("Indexing metadata, please wait...")),
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header=darkgreen(" @@ "), back=True
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)
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inst_repo.createAllIndexes()
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entropy_client.output(
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purple(_("Repository metadata generation complete")),
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header=darkgreen(" @@ ")
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)
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return 0
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def _spmsync(self, entropy_client):
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"""
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Solo Smart Spmsync command.
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"""
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ask = self._nsargs.ask
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pretend = self._nsargs.pretend
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spm = entropy_client.Spm()
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entropy_client.output(
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"%s..." % (
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teal(_("Scanning Source Package Manager repository")),),
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header=brown(" @@ "),
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back=True)
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spm_packages = spm.get_installed_packages()
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installed_packages = []
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for spm_package in spm_packages:
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try:
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spm_package_id = spm.resolve_spm_package_uid(
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spm_package)
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except KeyError as err:
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entropy_client.output(
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"%s: %s, %s" % (
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darkred(_("Cannot find package")),
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purple(spm_package),
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err,),
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level="warning",
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importance=1)
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continue
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installed_packages.append(
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(spm_package, spm_package_id,))
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|
|
entropy_client.output(
|
|
"%s..." % (
|
|
teal(_("Scanning Entropy repository")),),
|
|
header=brown(" @@ "),
|
|
back=True)
|
|
|
|
installed_spm_uids = set()
|
|
to_be_added = set()
|
|
to_be_removed = set()
|
|
inst_repo = entropy_client.installed_repository()
|
|
|
|
# collect new packages
|
|
for spm_package, spm_package_id in installed_packages:
|
|
installed_spm_uids.add(spm_package_id)
|
|
if not inst_repo.isSpmUidAvailable(spm_package_id):
|
|
to_be_added.add((spm_package, spm_package_id))
|
|
|
|
# do some memoization to speed up the scanning
|
|
_spm_key_slot_map = {}
|
|
for _spm_pkg, _spm_pkg_id in to_be_added:
|
|
key = entropy.dep.dep_getkey(_spm_pkg)
|
|
obj = _spm_key_slot_map.setdefault(key, set())
|
|
|
|
try:
|
|
slot = spm.get_installed_package_metadata(
|
|
_spm_pkg, "SLOT")
|
|
# workaround for ebuilds without SLOT
|
|
if slot is None:
|
|
slot = '0'
|
|
obj.add(slot)
|
|
except KeyError:
|
|
continue
|
|
|
|
# packages to be removed from the database
|
|
repo_spm_uids = inst_repo.listAllSpmUids()
|
|
for spm_package_id, package_id in repo_spm_uids:
|
|
# skip packages without valid counter
|
|
if spm_package_id < 0:
|
|
continue
|
|
|
|
if spm_package_id in installed_spm_uids:
|
|
# legit, package is still there, skipskipskip
|
|
continue
|
|
|
|
if not to_be_added:
|
|
# there is nothing to check in to_be_added
|
|
to_be_removed.add(package_id)
|
|
continue
|
|
|
|
atom = inst_repo.retrieveAtom(package_id)
|
|
add = True
|
|
if atom:
|
|
atomkey = entropy.dep.dep_getkey(atom)
|
|
atomslot = inst_repo.retrieveSlot(package_id)
|
|
|
|
spm_slots = _spm_key_slot_map.get(atomkey)
|
|
if spm_slots is not None:
|
|
if atomslot in spm_slots:
|
|
# do not add to to_be_removed
|
|
add = False
|
|
|
|
if add:
|
|
to_be_removed.add(package_id)
|
|
|
|
if not to_be_removed and not to_be_added:
|
|
entropy_client.output(
|
|
darkgreen(_("Nothing to do")),
|
|
importance=1)
|
|
return 0
|
|
|
|
if to_be_removed:
|
|
entropy_client.output(
|
|
"%s:" % (
|
|
purple(_("These packages were removed")),
|
|
),
|
|
importance=1,
|
|
header=brown(" @@ "))
|
|
|
|
broken = set()
|
|
for package_id in to_be_removed:
|
|
atom = inst_repo.retrieveAtom(package_id)
|
|
if not atom:
|
|
broken.add(package_id)
|
|
continue
|
|
|
|
entropy_client.output(
|
|
darkred(atom),
|
|
header=brown(" # "))
|
|
to_be_removed -= broken
|
|
|
|
if to_be_removed and not pretend:
|
|
rc = _("Yes")
|
|
accepted = True
|
|
if ask:
|
|
rc = entropy_client.ask_question(">> %s" % (
|
|
_("Continue ?"),))
|
|
if rc != _("Yes"):
|
|
accepted = False
|
|
|
|
if accepted:
|
|
counter = 0
|
|
total = len(to_be_removed)
|
|
for package_id in to_be_removed:
|
|
counter += 1
|
|
atom = inst_repo.retrieveAtom(package_id)
|
|
entropy_client.output(
|
|
teal(atom),
|
|
count=(counter, total),
|
|
header=darkred(" --- "))
|
|
|
|
inst_repo.removePackage(package_id)
|
|
|
|
inst_repo.commit()
|
|
entropy_client.output(
|
|
darkgreen(_("Removal complete")),
|
|
importance=1,
|
|
header=brown(" @@ "))
|
|
|
|
if to_be_added:
|
|
entropy_client.output(
|
|
"%s:" % (
|
|
purple(_("These packages were added")),
|
|
),
|
|
importance=1,
|
|
header=brown(" @@ "))
|
|
|
|
for _spm_package, _spm_package_id in to_be_added:
|
|
entropy_client.output(
|
|
darkgreen(_spm_package),
|
|
header=brown(" # "))
|
|
|
|
if to_be_added and not pretend:
|
|
|
|
if ask:
|
|
rc = entropy_client.ask_question(">> %s" % (
|
|
_("Continue ?"),) )
|
|
if rc != _("Yes"):
|
|
return 1
|
|
|
|
total = len(to_be_added)
|
|
counter = 0
|
|
# perf: only create temp file once
|
|
tmp_fd, tmp_path = const_mkstemp(
|
|
prefix="equo.rescue.spmsync")
|
|
os.close(tmp_fd)
|
|
|
|
for _spm_package, _spm_package_id in to_be_added:
|
|
counter += 1
|
|
entropy_client.output(
|
|
teal(_spm_package),
|
|
count=(counter, total),
|
|
header=darkgreen(" +++ "))
|
|
|
|
# make sure the file is empty
|
|
with open(tmp_path, "w") as tmp_f:
|
|
tmp_f.flush()
|
|
|
|
appended = spm.append_metadata_to_package(
|
|
_spm_package, tmp_path)
|
|
if not appended:
|
|
entropy_client.output(
|
|
"%s: %s" % (
|
|
purple(_("Invalid package")),
|
|
teal(_spm_package),),
|
|
importance=1,
|
|
header=darkred(" @@ "))
|
|
continue
|
|
|
|
# now extract info
|
|
try:
|
|
data = spm.extract_package_metadata(tmp_path)
|
|
except Exception as err:
|
|
entropy.tools.print_traceback()
|
|
entropy_client.output(
|
|
"%s, %s: %s" % (
|
|
teal(spm_package),
|
|
purple(_("Metadata generation error")),
|
|
err,
|
|
),
|
|
level="warning",
|
|
importance=1,
|
|
header=darkred(" @@ ")
|
|
)
|
|
continue
|
|
|
|
# create atom string
|
|
atom = entropy.dep.create_package_atom_string(
|
|
data['category'],
|
|
data['name'],
|
|
data['version'],
|
|
data['versiontag'])
|
|
|
|
# look for atom in client database
|
|
package_ids = inst_repo.getPackageIds(atom)
|
|
old_package_ids = sorted(package_ids)
|
|
try:
|
|
_package_id = old_package_ids.pop()
|
|
data['revision'] = inst_repo.retrieveRevision(
|
|
_package_id)
|
|
except IndexError:
|
|
data['revision'] = etpConst['spmetprev']
|
|
|
|
# cleanup stale info
|
|
if "original_repository" in data:
|
|
del data['original_repository']
|
|
|
|
new_package_id = inst_repo.handlePackage(
|
|
data, forcedRevision = data['revision'])
|
|
inst_repo.storeInstalledPackage(new_package_id,
|
|
etpConst['spmdbid'])
|
|
|
|
inst_repo.commit()
|
|
try:
|
|
os.remove(tmp_path)
|
|
except OSError:
|
|
pass
|
|
|
|
entropy_client.output(
|
|
darkgreen(_("Update complete")),
|
|
importance=1,
|
|
header=brown(" @@ "))
|
|
|
|
return 0
|
|
|
|
def _spmuids(self, entropy_client):
|
|
"""
|
|
Solo Smart Spmuids command.
|
|
"""
|
|
entropy_client.output(
|
|
"%s..." % (
|
|
purple(_("Re-generating packages mapping")),),
|
|
header=brown(" @@ "),
|
|
back=True)
|
|
|
|
inst_repo = entropy_client.installed_repository()
|
|
inst_repo.regenerateSpmUidMapping()
|
|
|
|
entropy_client.output(
|
|
"%s..." % (
|
|
purple(_("Packages mapping re-generated")),),
|
|
header=brown(" @@ "))
|
|
return 0
|
|
|
|
def _backup(self, entropy_client):
|
|
"""
|
|
Solo Smart Backup command.
|
|
"""
|
|
inst_repo = entropy_client.installed_repository()
|
|
path = entropy_client.installed_repository_path()
|
|
dir_path = os.path.dirname(path)
|
|
|
|
status, _err_msg = entropy_client.backup_repository(
|
|
inst_repo.repository_id(), dir_path)
|
|
if status:
|
|
return 0
|
|
return 1
|
|
|
|
def _restore(self, entropy_client):
|
|
"""
|
|
Solo Smart Restore command.
|
|
"""
|
|
inst_repo = entropy_client.installed_repository()
|
|
path = entropy_client.installed_repository_path()
|
|
|
|
repo_list = entropy_client.installed_repository_backups()
|
|
if not repo_list:
|
|
entropy_client.output(
|
|
darkred(_("No backups found")),
|
|
header=brown(" @@ "),
|
|
level="warning",
|
|
importance=1)
|
|
return 1
|
|
|
|
repo_list_new = []
|
|
repo_data = []
|
|
for repo_path in repo_list:
|
|
try:
|
|
ts = os.path.getmtime(repo_path)
|
|
except OSError as err:
|
|
entropy.tools.print_traceback()
|
|
continue
|
|
h_ts = entropy.tools.convert_unix_time_to_human_time(ts)
|
|
repo_list_new.append("[%s] %s" % (h_ts, repo_path,))
|
|
repo_data.append(repo_path)
|
|
|
|
def fake_cb(s):
|
|
return s
|
|
|
|
input_params = [
|
|
('db', ('combo', (_('Select the repository to restore'),
|
|
repo_list_new),), fake_cb, True)
|
|
]
|
|
|
|
while True:
|
|
data = entropy_client.input_box(
|
|
darkred(
|
|
_("Entropy Installed Packages Repository backups")),
|
|
input_params, cancel_button = True)
|
|
if data is None:
|
|
return 1
|
|
|
|
myid, dbx = data['db']
|
|
try:
|
|
backup_path = repo_data.pop(myid-1)
|
|
except IndexError:
|
|
continue
|
|
if not os.path.isfile(backup_path):
|
|
continue
|
|
break
|
|
|
|
inst_repo.commit()
|
|
status, err_msg = entropy_client.restore_repository(
|
|
backup_path, path, inst_repo.repository_id())
|
|
if status:
|
|
return 0
|
|
return 1
|
|
|
|
SoloCommandDescriptor.register(
|
|
SoloCommandDescriptor(
|
|
SoloRescue,
|
|
SoloRescue.NAME,
|
|
_("tools to rescue the running system"))
|
|
)
|