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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 cPickle
from twisted.persisted import styles
from buildbot.util import json
import sqlalchemy as sa
metadata = sa.MetaData()
last_access = sa.Table('last_access', metadata,
sa.Column('who', sa.String(256), nullable=False),
sa.Column('writing', sa.Integer, nullable=False),
sa.Column('last_access', sa.Integer, nullable=False),
)
changes_nextid = sa.Table('changes_nextid', metadata,
sa.Column('next_changeid', sa.Integer),
)
changes = sa.Table('changes', metadata,
sa.Column('changeid', sa.Integer, autoincrement=False, primary_key=True),
sa.Column('author', sa.String(256), nullable=False),
sa.Column('comments', sa.String(1024), nullable=False),
sa.Column('is_dir', sa.SmallInteger, nullable=False),
sa.Column('branch', sa.String(256)),
sa.Column('revision', sa.String(256)),
sa.Column('revlink', sa.String(256)),
sa.Column('when_timestamp', sa.Integer, nullable=False),
sa.Column('category', sa.String(256)),
)
change_links = sa.Table('change_links', metadata,
sa.Column('changeid', sa.Integer, sa.ForeignKey('changes.changeid'), nullable=False),
sa.Column('link', sa.String(1024), nullable=False),
)
change_files = sa.Table('change_files', metadata,
sa.Column('changeid', sa.Integer, sa.ForeignKey('changes.changeid'), nullable=False),
sa.Column('filename', sa.String(1024), nullable=False),
)
change_properties = sa.Table('change_properties', metadata,
sa.Column('changeid', sa.Integer, sa.ForeignKey('changes.changeid'), nullable=False),
sa.Column('property_name', sa.String(256), nullable=False),
sa.Column('property_value', sa.String(1024), nullable=False),
)
schedulers = sa.Table("schedulers", metadata,
sa.Column('schedulerid', sa.Integer, autoincrement=False, primary_key=True),
sa.Column('name', sa.String(128), nullable=False),
sa.Column('state', sa.String(1024), nullable=False),
)
scheduler_changes = sa.Table('scheduler_changes', metadata,
sa.Column('schedulerid', sa.Integer, sa.ForeignKey('schedulers.schedulerid')),
sa.Column('changeid', sa.Integer, sa.ForeignKey('changes.changeid')),
sa.Column('important', sa.SmallInteger),
)
scheduler_upstream_buildsets = sa.Table('scheduler_upstream_buildsets', metadata,
sa.Column('buildsetid', sa.Integer, sa.ForeignKey('buildsets.id')),
sa.Column('schedulerid', sa.Integer, sa.ForeignKey('schedulers.schedulerid')),
sa.Column('active', sa.SmallInteger),
)
sourcestamps = sa.Table('sourcestamps', metadata,
sa.Column('id', sa.Integer, autoincrement=False, primary_key=True),
sa.Column('branch', sa.String(256)),
sa.Column('revision', sa.String(256)),
sa.Column('patchid', sa.Integer, sa.ForeignKey('patches.id')),
)
patches = sa.Table('patches', metadata,
sa.Column('id', sa.Integer, autoincrement=False, primary_key=True),
sa.Column('patchlevel', sa.Integer, nullable=False),
sa.Column('patch_base64', sa.Text, nullable=False),
sa.Column('subdir', sa.Text),
)
sourcestamp_changes = sa.Table('sourcestamp_changes', metadata,
sa.Column('sourcestampid', sa.Integer, sa.ForeignKey('sourcestamps.id'), nullable=False),
sa.Column('changeid', sa.Integer, sa.ForeignKey('changes.changeid'), nullable=False),
)
buildsets = sa.Table('buildsets', metadata,
sa.Column('id', sa.Integer, autoincrement=False, primary_key=True),
sa.Column('external_idstring', sa.String(256)),
sa.Column('reason', sa.String(256)),
sa.Column('sourcestampid', sa.Integer, sa.ForeignKey('sourcestamps.id'), nullable=False),
sa.Column('submitted_at', sa.Integer, nullable=False),
sa.Column('complete', sa.SmallInteger, nullable=False, server_default=sa.DefaultClause("0")),
sa.Column('complete_at', sa.Integer),
sa.Column('results', sa.SmallInteger),
)
buildset_properties = sa.Table('buildset_properties', metadata,
sa.Column('buildsetid', sa.Integer, sa.ForeignKey('buildsets.id'), nullable=False),
sa.Column('property_name', sa.String(256), nullable=False),
sa.Column('property_value', sa.String(1024), nullable=False),
)
buildrequests = sa.Table('buildrequests', metadata,
sa.Column('id', sa.Integer, autoincrement=False, primary_key=True),
sa.Column('buildsetid', sa.Integer, sa.ForeignKey("buildsets.id"), nullable=False),
sa.Column('buildername', sa.String(length=256), nullable=False),
sa.Column('priority', sa.Integer, nullable=False, server_default=sa.DefaultClause("0")),
sa.Column('claimed_at', sa.Integer, server_default=sa.DefaultClause("0")),
sa.Column('claimed_by_name', sa.String(length=256)),
sa.Column('claimed_by_incarnation', sa.String(length=256)),
sa.Column('complete', sa.Integer, server_default=sa.DefaultClause("0")),
sa.Column('results', sa.SmallInteger),
sa.Column('submitted_at', sa.Integer, nullable=False),
sa.Column('complete_at', sa.Integer),
)
builds = sa.Table('builds', metadata,
sa.Column('id', sa.Integer, autoincrement=False, primary_key=True),
sa.Column('number', sa.Integer, nullable=False),
sa.Column('brid', sa.Integer, sa.ForeignKey('buildrequests.id'), nullable=False),
sa.Column('start_time', sa.Integer, nullable=False),
sa.Column('finish_time', sa.Integer),
)
def test_unicode(migrate_engine):
"""Test that the database can handle inserting and selecting Unicode"""
# set up a subsidiary MetaData object to hold this temporary table
submeta = sa.MetaData()
submeta.bind = migrate_engine
test_unicode = sa.Table('test_unicode', submeta,
sa.Column('u', sa.Unicode(length=100)),
sa.Column('b', sa.LargeBinary),
)
test_unicode.create()
# insert a unicode value in there
u = u"Frosty the \N{SNOWMAN}"
b='\xff\xff\x00'
ins = test_unicode.insert().values(u=u, b=b)
migrate_engine.execute(ins)
# see if the data is intact
row = migrate_engine.execute(sa.select([test_unicode])).fetchall()[0]
assert type(row['u']) is unicode
assert row['u'] == u
assert type(row['b']) is str
assert row['b'] == b
# drop the test table
test_unicode.drop()
def import_changes(migrate_engine):
# get the basedir from the engine - see model.py if you're wondering
# how it got there
basedir = migrate_engine.buildbot_basedir
# strip None from any of these values, just in case
def remove_none(x):
if x is None: return u""
elif isinstance(x, str):
return x.decode("utf8")
else:
return x
# if we still have a changes.pck, then we need to migrate it
changes_pickle = os.path.join(basedir, "changes.pck")
if not os.path.exists(changes_pickle):
migrate_engine.execute(changes_nextid.insert(),
next_changeid=1)
return
#if not quiet: print "migrating changes.pck to database"
# 'source' will be an old b.c.changes.ChangeMaster instance, with a
# .changes attribute. Note that we use 'r', and not 'rb', because these
# pickles were written using the old text pickle format, which requires
# newline translation
with open(changes_pickle,"r") as f:
source = cPickle.load(f)
styles.doUpgrade()
#if not quiet: print " (%d Change objects)" % len(source.changes)
# first, scan for changes without a number. If we find any, then we'll
# renumber the changes sequentially
have_unnumbered = False
for c in source.changes:
if c.revision and c.number is None:
have_unnumbered = True
break
if have_unnumbered:
n = 1
for c in source.changes:
if c.revision:
c.number = n
n = n + 1
# insert the changes
for c in source.changes:
if not c.revision:
continue
try:
values = dict(
changeid=c.number,
author=c.who,
comments=c.comments,
is_dir=c.isdir,
branch=c.branch,
revision=c.revision,
revlink=c.revlink,
when_timestamp=c.when,
category=c.category)
values = dict([ (k, remove_none(v)) for k, v in values.iteritems() ])
except UnicodeDecodeError, e:
raise UnicodeError("Trying to import change data as UTF-8 failed. Please look at contrib/fix_changes_pickle_encoding.py: %s" % str(e))
migrate_engine.execute(changes.insert(), **values)
# NOTE: change_links is not populated, since it is deleted in db
# version 20. The table is still created, though.
# sometimes c.files contains nested lists -- why, I do not know! But we deal with
# it all the same - see bug #915. We'll assume for now that c.files contains *either*
# lists of filenames or plain filenames, not both.
def flatten(l):
if l and type(l[0]) == list:
rv = []
for e in l:
if type(e) == list:
rv.extend(e)
else:
rv.append(e)
return rv
else:
return l
for filename in flatten(c.files):
migrate_engine.execute(change_files.insert(),
changeid=c.number,
filename=filename)
for propname,propvalue in c.properties.properties.items():
encoded_value = json.dumps(propvalue)
migrate_engine.execute(change_properties.insert(),
changeid=c.number,
property_name=propname,
property_value=encoded_value)
# update next_changeid
max_changeid = max([ c.number for c in source.changes if c.revision ] + [ 0 ])
migrate_engine.execute(changes_nextid.insert(),
next_changeid=max_changeid+1)
#if not quiet:
# print "moving changes.pck to changes.pck.old; delete it or keep it as a backup"
os.rename(changes_pickle, changes_pickle+".old")
def upgrade(migrate_engine):
metadata.bind = migrate_engine
# do some tests before getting started
test_unicode(migrate_engine)
# create the initial schema
metadata.create_all()
# and import some changes
import_changes(migrate_engine)
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