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# This file is part of Buildbot. Buildbot 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 2.
#
# 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, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
from __future__ import with_statement
import os
import sys
import traceback
from twisted.internet import defer
from twisted.python import util, runtime
from buildbot import config as config_module
from buildbot import monkeypatches
from buildbot.db import connector
from buildbot.master import BuildMaster
from buildbot.util import in_reactor
from buildbot.scripts import base
def checkBasedir(config):
if not config['quiet']:
print "checking basedir"
if not base.isBuildmasterDir(config['basedir']):
return False
if runtime.platformType != 'win32': # no pids on win32
if not config['quiet']:
print "checking for running master"
pidfile = os.path.join(config['basedir'], 'twistd.pid')
if os.path.exists(pidfile):
print "'%s' exists - is this master still running?" % (pidfile,)
return False
return True
def loadConfig(config, configFileName='master.cfg'):
if not config['quiet']:
print "checking %s" % configFileName
try:
master_cfg = config_module.MasterConfig.loadConfig(
config['basedir'], configFileName)
except config_module.ConfigErrors, e:
print "Errors loading configuration:"
for msg in e.errors:
print " " + msg
return
except:
print "Errors loading configuration:"
traceback.print_exc(file=sys.stdout)
return
return master_cfg
def installFile(config, target, source, overwrite=False):
with open(source, "rt") as f:
new_contents = f.read()
if os.path.exists(target):
with open(target, "rt") as f:
old_contents = f.read()
if old_contents != new_contents:
if overwrite:
if not config['quiet']:
print "%s has old/modified contents" % target
print " overwriting it with new contents"
with open(target, "wt") as f:
f.write(new_contents)
else:
if not config['quiet']:
print "%s has old/modified contents" % target
print " writing new contents to %s.new" % target
with open(target + ".new", "wt") as f:
f.write(new_contents)
# otherwise, it's up to date
else:
if not config['quiet']:
print "creating %s" % target
with open(target, "wt") as f:
f.write(new_contents)
def upgradeFiles(config):
if not config['quiet']:
print "upgrading basedir"
webdir = os.path.join(config['basedir'], "public_html")
if not os.path.exists(webdir):
if not config['quiet']:
print "creating public_html"
os.mkdir(webdir)
templdir = os.path.join(config['basedir'], "templates")
if not os.path.exists(templdir):
if not config['quiet']:
print "creating templates"
os.mkdir(templdir)
for file in ('bg_gradient.jpg', 'default.css',
'robots.txt', 'favicon.ico'):
source = util.sibpath(__file__, "../status/web/files/%s" % (file,))
target = os.path.join(webdir, file)
try:
installFile(config, target, source)
except IOError:
print "Can't write '%s'." % (target,)
installFile(config, os.path.join(config['basedir'], "master.cfg.sample"),
util.sibpath(__file__, "sample.cfg"), overwrite=True)
# if index.html exists, use it to override the root page tempalte
index_html = os.path.join(webdir, "index.html")
root_html = os.path.join(templdir, "root.html")
if os.path.exists(index_html):
if os.path.exists(root_html):
print "Notice: %s now overrides %s" % (root_html, index_html)
print " as the latter is not used by buildbot anymore."
print " Decide which one you want to keep."
else:
try:
print "Notice: Moving %s to %s." % (index_html, root_html)
print " You can (and probably want to) remove it if " \
"you haven't modified this file."
os.renames(index_html, root_html)
except Exception, e:
print "Error moving %s to %s: %s" % (index_html, root_html,
str(e))
@defer.inlineCallbacks
def upgradeDatabase(config, master_cfg):
if not config['quiet']:
print "upgrading database (%s)" % (master_cfg.db['db_url'])
master = BuildMaster(config['basedir'])
master.config = master_cfg
db = connector.DBConnector(master, basedir=config['basedir'])
yield db.setup(check_version=False, verbose=not config['quiet'])
yield db.model.upgrade()
@in_reactor
@defer.inlineCallbacks
def upgradeMaster(config, _noMonkey=False):
if not _noMonkey: # pragma: no cover
monkeypatches.patch_all()
if not checkBasedir(config):
defer.returnValue(1)
return
os.chdir(config['basedir'])
try:
configFile = base.getConfigFileFromTac(config['basedir'])
except (SyntaxError, ImportError), e:
print "Unable to load 'buildbot.tac' from '%s':" % config['basedir']
print e
defer.returnValue(1)
return
master_cfg = loadConfig(config, configFile)
if not master_cfg:
defer.returnValue(1)
return
upgradeFiles(config)
yield upgradeDatabase(config, master_cfg)
if not config['quiet']:
print "upgrade complete"
defer.returnValue(0)
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