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#!/usr/bin/python
# Manage the Launchpad build farm.
#
# Copyright 2012-2014 Canonical Ltd.
# Author: William Grant <wgrant@ubuntu.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
from datetime import (
datetime,
timedelta,
)
from itertools import groupby
from optparse import OptionParser
import re
from textwrap import dedent
from launchpadlib.launchpad import Launchpad
import pytz
def format_timedelta(delta):
value = None
hours = delta.seconds // 3600
minutes = (delta.seconds - (hours * 3600)) // 60
if delta.days > 0:
value = delta.days
unit = 'day'
elif hours > 0:
value = hours
unit = 'hour'
elif minutes > 0:
value = minutes
unit = 'minute'
if value is not None:
return 'for %d %s%s' % (value, unit, 's' if value > 1 else '')
return ''
parser = OptionParser(description=dedent("""\
List and manage Launchpad builders.
If no changes are specified (--auto, --manual, --enable, --disable,
--set-failnotes, --set-virtual, --set-non-virtual, or --set-vm-host), a
detailed listing of matching builders will be shown.
"""))
parser.add_option(
"-l", "--lp-instance", dest="lp_instance", default="production",
help="use the specified Launchpad instance (default: production)")
parser.add_option(
"-q", "--quiet", dest="quiet", action="store_true", default=None,
help="only display errors")
parser.add_option(
"-v", "--verbose", dest="verbose", action="store_true", default=None,
help="display more detail")
parser.add_option(
"-a", "--arch", dest="arch", default=None,
help="update only builders of this architecture (eg. i386)")
parser.add_option(
"-b", "--builder", dest="builders", action="append", metavar="BUILDER",
help="update only this builder (may be given multiple times)")
parser.add_option(
"--failnotes", dest="failnotes", default=None,
help="update only builders with failnotes matching this regexp")
parser.add_option(
"-e", "--enabled", action="store_const", dest="ok_filter", const=True,
help="update only enabled builders")
parser.add_option(
"-d", "--disabled", action="store_const", dest="ok_filter", const=False,
help="update only disabled builders")
parser.add_option(
"--virtual", action="store_const", dest="virtual_filter", const=True,
help="update only virtual builders")
parser.add_option(
"--non-virtual", action="store_const", dest="virtual_filter", const=False,
help="update only non-virtual builders")
parser.add_option(
"--builder-version", dest="builder_version", default=None,
help="update only builders running this launchpad-buildd version")
parser.add_option(
"--auto", dest="auto", action="store_true", default=None,
help="enable automatic dispatching")
parser.add_option(
"--manual", dest="manual", action="store_true", default=None,
help="disable automatic dispatching")
parser.add_option(
"--enable", dest="enable", action="store_true", default=None,
help="mark the builder as OK")
parser.add_option(
"--disable", dest="disable", action="store_true", default=None,
help="mark the builder as not OK")
parser.add_option(
"--set-failnotes", dest="set_failnotes", default=None,
help="set the builder's failnotes")
parser.add_option(
"--set-virtual", dest="set_virtual", action="store_true", default=None,
help="mark the builder as virtual")
parser.add_option(
"--set-non-virtual", dest="set_non_virtual",
action="store_true", default=None,
help="mark the builder as non-virtual")
parser.add_option(
"--set-vm-host", dest="set_vm_host", default=None,
help="set the builder's VM host")
(options, args) = parser.parse_args()
if args:
parser.error(
"manage-builders does not take positional arguments. Did you mean to "
"use -b?")
if options.manual and options.auto:
parser.error("--manual and --auto are mutually exclusive")
if options.enable and options.disable:
parser.error("--enable and --disable are mutually exclusive")
if options.set_virtual and options.set_non_virtual:
parser.error("--set-virtual and --set-non-virtual are mutually exclusive")
changes = {}
if options.manual:
changes['manual'] = True
if options.auto:
changes['manual'] = False
if options.enable:
changes['builderok'] = True
if options.disable:
changes['builderok'] = False
if options.set_failnotes is not None:
changes['failnotes'] = options.set_failnotes or None
if options.set_virtual:
changes['virtualized'] = True
if options.set_non_virtual:
changes['virtualized'] = False
if options.set_vm_host is not None:
changes['vm_host'] = options.set_vm_host or None
lp = Launchpad.login_with(
'manage-builders', options.lp_instance, version='devel')
processor_names = {p.self_link: p.name for p in lp.processors}
def get_processor_name(processor_link):
if processor_link not in processor_names:
processor_names[processor_link] = lp.load(processor_link).name
return processor_names[processor_link]
candidates = []
for builder in lp.builders:
if not builder.active:
continue
if (options.ok_filter is not None
and builder.builderok != options.ok_filter):
continue
if (options.virtual_filter is not None
and builder.virtualized != options.virtual_filter):
continue
if options.builders and builder.name not in options.builders:
continue
if (options.arch
and not any(get_processor_name(p) == options.arch
for p in builder.processors)):
continue
if (options.failnotes and (
not builder.failnotes
or not re.search(options.failnotes, builder.failnotes))):
continue
if (options.builder_version is not None and
options.builder_version != builder.version):
continue
candidates.append(builder)
def builder_sort_key(builder):
return (
builder.virtualized,
# https://launchpad.net/builders sorts by Processor.id, but that
# isn't accessible on the webservice. This produces vaguely similar
# results in practice and looks reasonable.
sorted(builder.processors),
builder.vm_host,
builder.vm_reset_protocol if builder.virtualized else '',
builder.name)
candidates.sort(key=builder_sort_key)
count_changed = count_unchanged = 0
if changes and not options.quiet:
print('Updating %d builders.' % len(candidates))
if options.verbose:
clump_sort_key = lambda b: builder_sort_key(b)[:4]
else:
clump_sort_key = lambda b: builder_sort_key(b)[:2]
builder_clumps = [
list(group) for _, group in groupby(candidates, clump_sort_key)]
for clump in builder_clumps:
if not changes and not options.quiet:
if clump != builder_clumps[0]:
print()
exemplar = clump[0]
archs = ' '.join(get_processor_name(p) for p in exemplar.processors)
if options.verbose:
if exemplar.virtualized:
virt_desc = '(v %s)' % exemplar.vm_reset_protocol
else:
virt_desc = '(nv)'
print(
'%s %s%s' % (
virt_desc, archs,
(' [%s]' % exemplar.vm_host) if exemplar.vm_host else ''))
else:
print(
'%-4s %s' % ('(v)' if exemplar.virtualized else '(nv)', archs))
for candidate in clump:
changed = False
for change, value in changes.items():
if getattr(candidate, change) != value:
setattr(candidate, change, value)
changed = True
if changed:
count_changed += 1
candidate.lp_save()
if not options.quiet:
print('* %s' % candidate.name)
elif changes:
if not options.quiet:
print(' %s' % candidate.name)
count_unchanged += 1
else:
duration = (
datetime.now(pytz.UTC) - candidate.date_clean_status_changed)
if not candidate.builderok:
# Disabled builders always need explanation.
if candidate.failnotes:
failnote = candidate.failnotes.strip().splitlines()[0]
else:
failnote = 'no failnotes'
status = 'DISABLED: %s' % failnote
elif (candidate.current_build_link is None
and candidate.clean_status in ('Dirty', 'Cleaning')
and duration > timedelta(minutes=10)):
# Idle builders that have been dirty or cleaning for more
# than ten minutes are a little suspicious.
status = '%s %s' % (
candidate.clean_status, format_timedelta(duration))
elif (candidate.current_build_link is not None
and duration > timedelta(days=1)):
# Something building for more than a day deserves
# investigation.
status = 'Building %s' % format_timedelta(duration)
else:
status = ''
if options.verbose:
if candidate.current_build_link is not None:
dirty_flag = 'B'
elif candidate.clean_status == 'Dirty':
dirty_flag = 'D'
elif candidate.clean_status == 'Cleaning':
dirty_flag = 'C'
else:
dirty_flag = ' '
print(
' %-18s %-8s %s%s%s %s' % (
candidate.name, candidate.version,
dirty_flag, 'M' if candidate.manual else ' ',
'X' if not candidate.builderok else ' ',
status))
elif not options.quiet:
print(' %-20s %s' % (candidate.name, status))
if changes and not options.quiet:
print("Changed: %d. Unchanged: %d." % (count_changed, count_unchanged))
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