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#!/usr/bin/python -S
#
# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
# General purpose package removal tool for ftpmaster
################################################################################
import _pythonpath
import commands
import optparse
import os
import re
import sys
import dak_utils
import apt_pkg
from zope.component import getUtility
from canonical.config import config
from canonical.database.constants import UTC_NOW
from canonical.launchpad.scripts import (
execute_zcml_for_scripts,
logger,
logger_options,
)
from canonical.lp import initZopeless
from lp.registry.interfaces.distribution import IDistributionSet
from lp.soyuz.enums import PackagePublishingStatus
from lp.soyuz.model.publishing import (
BinaryPackagePublishingHistory,
SourcePackagePublishingHistory,
)
from contrib.glock import GlobalLock
################################################################################
re_strip_source_version = re.compile (r'\s+.*$')
re_build_dep_arch = re.compile(r"\[[^]]+\]")
################################################################################
Options = None
Lock = None
Log = None
ztm = None
################################################################################
def game_over():
answer = dak_utils.our_raw_input("Continue (y/N)? ").lower()
if answer != "y":
print "Aborted."
sys.exit(1)
################################################################################
# def reverse_depends_check(removals, suites):
# print "Checking reverse dependencies..."
# components = Cnf.ValueList("Suite::%s::Components" % suites[0])
# dep_problem = 0
# p2c = {}
# for architecture in Cnf.ValueList("Suite::%s::Architectures" % suites[0]):
# if architecture in ["source", "all"]:
# continue
# deps = {}
# virtual_packages = {}
# for component in components:
# filename = "%s/dists/%s/%s/binary-%s/Packages.gz" \
# % (Cnf["Dir::Root"], suites[0], component,
# architecture)
# # apt_pkg.ParseTagFile needs a real file handle and can't
# # handle a GzipFile instance...
# temp_filename = dak_utils.temp_filename()
# (result, output) = commands.getstatusoutput("gunzip -c %s > %s" \
# % (filename, temp_filename))
# if (result != 0):
# dak_utils.fubar("Gunzip invocation failed!\n%s\n" \
# % (output), result)
# packages = open(temp_filename)
# Packages = apt_pkg.ParseTagFile(packages)
# while Packages.Step():
# package = Packages.Section.Find("Package")
# depends = Packages.Section.Find("Depends")
# if depends:
# deps[package] = depends
# provides = Packages.Section.Find("Provides")
# # Maintain a counter for each virtual package. If a
# # Provides: exists, set the counter to 0 and count all
# # provides by a package not in the list for removal.
# # If the counter stays 0 at the end, we know that only
# # the to-be-removed packages provided this virtual
# # package.
# if provides:
# for virtual_pkg in provides.split(","):
# virtual_pkg = virtual_pkg.strip()
# if virtual_pkg == package: continue
# if not virtual_packages.has_key(virtual_pkg):
# virtual_packages[virtual_pkg] = 0
# if package not in removals:
# virtual_packages[virtual_pkg] += 1
# p2c[package] = component
# packages.close()
# os.unlink(temp_filename)
# # If a virtual package is only provided by the to-be-removed
# # packages, treat the virtual package as to-be-removed too.
# for virtual_pkg in virtual_packages.keys():
# if virtual_packages[virtual_pkg] == 0:
# removals.append(virtual_pkg)
# # Check binary dependencies (Depends)
# for package in deps.keys():
# if package in removals: continue
# parsed_dep = []
# try:
# parsed_dep += apt_pkg.ParseDepends(deps[package])
# except ValueError, e:
# print "Error for package %s: %s" % (package, e)
# for dep in parsed_dep:
# # Check for partial breakage. If a package has a ORed
# # dependency, there is only a dependency problem if all
# # packages in the ORed depends will be removed.
# unsat = 0
# for dep_package, _, _ in dep:
# if dep_package in removals:
# unsat += 1
# if unsat == len(dep):
# component = p2c[package]
# if component != "main":
# what = "%s/%s" % (package, component)
# else:
# what = "** %s" % (package)
# print "%s has an unsatisfied dependency on %s: %s" \
# % (what, architecture, dak_utils.pp_deps(dep))
# dep_problem = 1
# # Check source dependencies (Build-Depends and Build-Depends-Indep)
# for component in components:
# filename = "%s/dists/%s/%s/source/Sources.gz" \
# % (Cnf["Dir::Root"], suites[0], component)
# # apt_pkg.ParseTagFile needs a real file handle and can't
# # handle a GzipFile instance...
# temp_filename = dak_utils.temp_filename()
# result, output = commands.getstatusoutput("gunzip -c %s > %s" \
# % (filename, temp_filename))
# if result != 0:
# sys.stderr.write("Gunzip invocation failed!\n%s\n" \
# % (output))
# sys.exit(result)
# sources = open(temp_filename)
# Sources = apt_pkg.ParseTagFile(sources)
# while Sources.Step():
# source = Sources.Section.Find("Package")
# if source in removals: continue
# parsed_dep = []
# for build_dep_type in ["Build-Depends", "Build-Depends-Indep"]:
# build_dep = Sources.Section.get(build_dep_type)
# if build_dep:
# # Remove [arch] information since we want to see
# # breakage on all arches
# build_dep = re_build_dep_arch.sub("", build_dep)
# try:
# parsed_dep += apt_pkg.ParseDepends(build_dep)
# except ValueError, e:
# print "Error for source %s: %s" % (source, e)
# for dep in parsed_dep:
# unsat = 0
# for dep_package, _, _ in dep:
# if dep_package in removals:
# unsat += 1
# if unsat == len(dep):
# if component != "main":
# source = "%s/%s" % (source, component)
# else:
# source = "** %s" % (source)
# print "%s has an unsatisfied build-dependency: %s" \
# % (source, dak_utils.pp_deps(dep))
# dep_problem = 1
# sources.close()
# os.unlink(temp_filename)
# if dep_problem:
# print "Dependency problem found."
# if Options.action:
# game_over()
# else:
# print "No dependency problem found."
# print
################################################################################
def options_init():
global Options
parser = optparse.OptionParser()
logger_options(parser)
parser.add_option("-a", "--architecture", dest="architecture",
help="only act on ARCHITECTURE")
parser.add_option("-b", "--binary", dest="binaryonly",
default=False, action="store_true",
help="remove binaries only")
parser.add_option("-c", "--component", dest="component",
help="only act on COMPONENT")
parser.add_option("-d", "--distro", dest="distro",
help="remove from DISTRO")
parser.add_option("-m", "--reason", dest="reason",
help="reason for removal")
parser.add_option("-n", "--no-action", dest="action",
default=True, action="store_false",
help="don't do anything")
parser.add_option("-R", "--rdep-check", dest="rdepcheck",
default=False, action="store_true",
help="check reverse dependencies")
parser.add_option("-s", "--suite", dest="suite",
help="only act on SUITE")
parser.add_option("-S", "--source-only", dest="sourceonly",
default=False, action="store_true",
help="remove source only")
(Options, arguments) = parser.parse_args()
# Sanity check options
if not arguments:
dak_utils.fubar("need at least one package name as an argument.")
if Options.architecture and Options.sourceonly:
dak_utils.fubar("can't use -a/--architecutre and -S/"
"--source-only options simultaneously.")
if Options.binaryonly and Options.sourceonly:
dak_utils.fubar("can't use -b/--binary-only and -S/"
"--source-only options simultaneously.")
if not Options.reason:
Options.reason = ""
# XXX malcc 2006-08-03: 'dak rm' used to check here whether or not we're
# removing from anything other than << unstable. This never got ported
# to ubuntu anyway, but it might be nice someday.
# Additional architecture checks
# XXX James Troup 2006-01-30: parse_args.
if Options.architecture and 0:
dak_utils.warn("'source' in -a/--argument makes no sense and is ignored.")
return arguments
################################################################################
def init():
global Lock, Log, ztm
apt_pkg.init()
arguments = options_init()
Log = logger(Options, "remove-package")
Log.debug("Acquiring lock")
Lock = GlobalLock('/var/lock/launchpad-remove-package.lock')
Lock.acquire(blocking=True)
Log.debug("Initializing connection.")
execute_zcml_for_scripts()
ztm = initZopeless(dbuser=config.archivepublisher.dbuser)
if not Options.distro:
Options.distro = "ubuntu"
Options.distro = getUtility(IDistributionSet)[Options.distro]
if not Options.suite:
Options.suite = Options.distro.currentseries.name
Options.architecture = dak_utils.split_args(Options.architecture)
Options.component = dak_utils.split_args(Options.component)
Options.suite = dak_utils.split_args(Options.suite)
return arguments
################################################################################
def summary_to_remove(to_remove):
# Generate the summary of what's to be removed
d = {}
for removal in to_remove:
package = removal["package"]
version = removal["version"]
architecture = removal["architecture"]
if not d.has_key(package):
d[package] = {}
if not d[package].has_key(version):
d[package][version] = []
if architecture not in d[package][version]:
d[package][version].append(architecture)
summary = ""
removals = d.keys()
removals.sort()
for package in removals:
versions = d[package].keys()
versions.sort(apt_pkg.VersionCompare)
for version in versions:
d[package][version].sort(dak_utils.arch_compare_sw)
summary += "%10s | %10s | %s\n" % (package, version,
", ".join(d[package][version]))
suites_list = dak_utils.join_with_commas_and(Options.suite);
print "Will remove the following packages from %s:" % (suites_list)
print
print summary
print
print "------------------- Reason -------------------"
print Options.reason
print "----------------------------------------------"
print
return summary
################################################################################
def what_to_remove(packages):
to_remove = []
# We have 3 modes of package selection: binary-only, source-only
# and source+binary. The first two are trivial and obvious; the
# latter is a nasty mess, but very nice from a UI perspective so
# we try to support it.
for removal in packages:
for suite in Options.suite:
distro_series = Options.distro.getSeries(suite)
if Options.sourceonly:
bpp_list = []
else:
if Options.binaryonly:
bpp_list = distro_series.getBinaryPackagePublishing(removal)
else:
bpp_list = distro_series.getBinaryPackagePublishing(
sourcename=removal)
for bpp in bpp_list:
package=bpp.binarypackagerelease.binarypackagename.name
version=bpp.binarypackagerelease.version
architecture=bpp.distroarchseries.architecturetag
if (Options.architecture and
architecture not in Options.architecture):
continue
if (Options.component and
bpp.component.name not in Options.component):
continue
d = dak_utils.Dict(
type="binary", publishing=bpp, package=package,
version=version, architecture=architecture)
to_remove.append(d)
if not Options.binaryonly:
for spp in distro_series.getPublishedSources(removal):
package = spp.sourcepackagerelease.sourcepackagename.name
version = spp.sourcepackagerelease.version
if (Options.component and
spp.component.name not in Options.component):
continue
d = dak_utils.Dict(
type="source",publishing=spp, package=package,
version=version, architecture="source")
to_remove.append(d)
return to_remove
################################################################################
def do_removal(removal):
"""Perform published package removal.
Mark provided publishing record as SUPERSEDED, such that the Domination
procedure will sort out its eventual removal appropriately; obeying the
rules for archive consistency.
"""
current = removal["publishing"]
if removal["type"] == "binary":
real_current = BinaryPackagePublishingHistory.get(current.id)
else:
real_current = SourcePackagePublishingHistory.get(current.id)
real_current.status = PackagePublishingStatus.SUPERSEDED
real_current.datesuperseded = UTC_NOW
################################################################################
def main ():
packages = init()
print "Working...",
sys.stdout.flush()
to_remove = what_to_remove(packages)
print "done."
if not to_remove:
print "Nothing to do."
sys.exit(0)
# If we don't have a reason; spawn an editor so the user can add one
# Write the rejection email out as the <foo>.reason file
if not Options.reason and Options.action:
temp_filename = dak_utils.temp_filename()
editor = os.environ.get("EDITOR","vi")
result = os.system("%s %s" % (editor, temp_filename))
if result != 0:
dak_utils.fubar ("vi invocation failed for `%s'!" % (temp_filename),
result)
temp_file = open(temp_filename)
for line in temp_file.readlines():
Options.reason += line
temp_file.close()
os.unlink(temp_filename)
summary = summary_to_remove(to_remove)
if Options.rdepcheck:
dak_utils.fubar("Unimplemented, sucks to be you.")
#reverse_depends_check(removals, suites)
# If -n/--no-action, drop out here
if not Options.action:
sys.exit(0)
print "Going to remove the packages now."
game_over()
whoami = dak_utils.whoami()
date = commands.getoutput('date -R')
suites_list = dak_utils.join_with_commas_and(Options.suite);
# Log first; if it all falls apart I want a record that we at least tried.
# XXX malcc 2006-08-03: de-hardcode me harder
logfile = open("/srv/launchpad.net/dak/removals.txt", 'a')
logfile.write("==================================="
"======================================\n")
logfile.write("[Date: %s] [ftpmaster: %s]\n" % (date, whoami))
logfile.write("Removed the following packages from %s:\n\n%s"
% (suites_list, summary))
logfile.write("\n------------------- Reason -------------------\n%s\n"
% (Options.reason))
logfile.write("----------------------------------------------\n")
logfile.flush()
# Do the actual deletion
print "Deleting...",
ztm.begin()
for removal in to_remove:
do_removal(removal)
print "done."
ztm.commit()
logfile.write("==================================="
"======================================\n")
logfile.close()
################################################################################
if __name__ == '__main__':
main()
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