buildfarm/sqldb.py

   1 #!/usr/bin/python
   2
   3 # Samba.org buildfarm
   4 # Copyright (C) 2010 Jelmer Vernooij <jelmer@samba.org>
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 from buildfarm import (
  21     BuildFarm,
  22     Tree,
  23     )
  24 from buildfarm.data import (
  25     Build,
  26     BuildResultStore,
  27     BuildStatus,
  28     NoSuchBuildError,
  29     )
  30 from buildfarm.hostdb import (
  31     Host,
  32     HostDatabase,
  33     HostAlreadyExists,
  34     NoSuchHost,
  35     )
  36
  37 import os
  38 try:
  39     from pysqlite2 import dbapi2 as sqlite3
  40 except ImportError:
  41     import sqlite3
  42 from storm.database import create_database
  43 from storm.locals import Bool, Desc, Int, Unicode, RawStr
  44 from storm.store import Store
  45
  46
  47 class StormBuild(Build):
  48     __storm_table__ = "build"
  49
  50     id = Int(primary=True)
  51     tree = RawStr()
  52     revision = RawStr()
  53     host = RawStr()
  54     compiler = RawStr()
  55     checksum = RawStr()
  56     upload_time = Int(name="age")
  57     status_str = RawStr(name="status")
  58     basename = RawStr()
  59     host_id = Int()
  60
  61     def status(self):
  62         return BuildStatus.__deserialize__(self.status_str)
  63
  64     def revision_details(self):
  65         return (self.revision, None)
  66
  67     def log_checksum(self):
  68         return self.checksum
  69
  70     def remove(self):
  71         super(StormBuild, self).remove()
  72         Store.of(self).remove(self)
  73
  74
  75 class StormHost(Host):
  76     __storm_table__ = "host"
  77
  78     id = Int(primary=True)
  79     name = RawStr()
  80     owner_name = Unicode(name="owner")
  81     owner_email = Unicode()
  82     password = Unicode()
  83     ssh_access = Bool()
  84     fqdn = RawStr()
  85     platform = Unicode()
  86     permission = Unicode()
  87     last_dead_mail = Int()
  88     join_time = Int()
  89
  90     def _set_owner(self, value):
  91         if value is None:
  92             self.owner_name = None
  93             self.owner_email = None
  94         else:
  95             (self.owner_name, self.owner_email) = value
  96
  97     def _get_owner(self):
  98         if self.owner_name is None:
  99             return None
 100         else:
 101             return (self.owner_name, self.owner_email)
 102
 103     owner = property(_get_owner, _set_owner)
 104
 105
 106 class StormHostDatabase(HostDatabase):
 107
 108     def __init__(self, store=None):
 109         if store is None:
 110             self.store = memory_store()
 111         else:
 112             self.store = store
 113
 114     def createhost(self, name, platform=None, owner=None, owner_email=None,
 115             password=None, permission=None):
 116         """See `HostDatabase.createhost`."""
 117         newhost = StormHost(name, owner=owner, owner_email=owner_email,
 118                 password=password, permission=permission, platform=platform)
 119         try:
 120             self.store.add(newhost)
 121             self.store.flush()
 122         except sqlite3.IntegrityError:
 123             raise HostAlreadyExists(name)
 124         return newhost
 125
 126     def deletehost(self, name):
 127         """Remove a host."""
 128         self.store.remove(self[name])
 129
 130     def hosts(self):
 131         """Retrieve an iterable over all hosts."""
 132         return self.store.find(StormHost).order_by(StormHost.name)
 133
 134     def __getitem__(self, name):
 135         ret = self.store.find(StormHost, StormHost.name==name).one()
 136         if ret is None:
 137             raise NoSuchHost(name)
 138         return ret
 139
 140     def commit(self):
 141         self.store.commit()
 142
 143
 144 class StormCachingBuildResultStore(BuildResultStore):
 145
 146     def __init__(self, basedir, store=None):
 147         super(StormCachingBuildResultStore, self).__init__(basedir)
 148
 149         if store is None:
 150             store = memory_store()
 151
 152         self.store = store
 153
 154     def __contains__(self, build):
 155         return (self._get_by_checksum(build) is not None)
 156
 157     def get_previous_revision(self, tree, host, compiler, revision):
 158         result = self.store.find(StormBuild,
 159             StormBuild.tree == tree,
 160             StormBuild.host == host,
 161             StormBuild.compiler == compiler,
 162             StormBuild.revision == revision)
 163         cur_build = result.any()
 164         if cur_build is None:
 165             raise NoSuchBuildError(tree, host, compiler, revision)
 166
 167         result = self.store.find(StormBuild,
 168             StormBuild.tree == tree,
 169             StormBuild.host == host,
 170             StormBuild.compiler == compiler,
 171             StormBuild.revision != revision,
 172             StormBuild.id < cur_build.id)
 173         result = result.order_by(Desc(StormBuild.id))
 174         prev_build = result.first()
 175         if prev_build is None:
 176             raise NoSuchBuildError(tree, host, compiler, revision)
 177         return prev_build.revision
 178
 179     def get_latest_revision(self, tree, host, compiler):
 180         result = self.store.find(StormBuild,
 181             StormBuild.tree == tree,
 182             StormBuild.host == host,
 183             StormBuild.compiler == compiler)
 184         result = result.order_by(Desc(StormBuild.id))
 185         build = result.first()
 186         if build is None:
 187             raise NoSuchBuildError(tree, host, compiler)
 188         return build.revision
 189
 190     def _get_by_checksum(self, build):
 191         result = self.store.find(StormBuild,
 192             StormBuild.checksum == build.log_checksum())
 193         return result.one()
 194
 195     def upload_build(self, build):
 196         existing_build = self._get_by_checksum(build)
 197         if existing_build is not None:
 198             # Already present
 199             assert build.tree == existing_build.tree
 200             assert build.host == existing_build.host
 201             assert build.compiler == existing_build.compiler
 202             return existing_build
 203         rev, timestamp = build.revision_details()
 204         super(StormCachingBuildResultStore, self).upload_build(build)
 205         new_basename = self.build_fname(build.tree, build.host, build.compiler, rev)
 206         new_build = StormBuild(new_basename, build.tree, build.host,
 207             build.compiler, rev)
 208         new_build.checksum = build.log_checksum()
 209         new_build.upload_time = build.upload_time
 210         new_build.status_str = build.status().__serialize__()
 211         new_build.basename = new_basename
 212         self.store.add(new_build)
 213         return new_build
 214
 215     def get_old_revs(self, tree, host, compiler):
 216         return self.store.find(StormBuild,
 217             StormBuild.tree == tree,
 218             StormBuild.host == host,
 219             StormBuild.compiler == compiler).order_by(Desc(StormBuild.upload_time))
 220
 221     def get_build(self, tree, host, compiler, revision=None, checksum=None):
 222         expr = [
 223             StormBuild.tree == tree,
 224             StormBuild.host == host,
 225             StormBuild.compiler == compiler,
 226             ]
 227         if revision is not None:
 228             expr.append(StormBuild.revision == revision)
 229         if checksum is not None:
 230             expr.append(StormBuild.checksum == checksum)
 231         result = self.store.find(StormBuild, *expr).order_by(Desc(StormBuild.upload_time))
 232         ret = result.first()
 233         if ret is None:
 234             raise NoSuchBuildError(tree, host, compiler, revision)
 235         return ret
 236
 237
 238 class StormCachingBuildFarm(BuildFarm):
 239
 240     def __init__(self, path=None, store=None, timeout=0.5):
 241         self.timeout = timeout
 242         self.store = store
 243         super(StormCachingBuildFarm, self).__init__(path)
 244
 245     def _get_store(self):
 246         if self.store is not None:
 247             return self.store
 248         db_path = os.path.join(self.path, "db", "hostdb.sqlite")
 249         db = create_database("sqlite:%s?timeout=%f" % (db_path, self.timeout))
 250         self.store = Store(db)
 251         setup_schema(self.store)
 252         return self.store
 253
 254     def _open_hostdb(self):
 255         return StormHostDatabase(self._get_store())
 256
 257     def _open_build_results(self):
 258         return StormCachingBuildResultStore(os.path.join(self.path, "data", "oldrevs"),
 259             self._get_store())
 260
 261     def get_host_builds(self, host):
 262         return self._get_store().find(StormBuild,
 263             StormBuild.host==host).group_by(StormBuild.compiler, StormBuild.tree)
 264
 265     def get_tree_builds(self, tree):
 266         result = self._get_store().find(StormBuild, StormBuild.tree == tree)
 267         return result.order_by(Desc(StormBuild.upload_time))
 268
 269     def get_last_builds(self):
 270         result = self._get_store().find(StormBuild)
 271         return result.group_by(
 272             StormBuild.tree, StormBuild.compiler, StormBuild.host).order_by(
 273                 Desc(StormBuild.upload_time))
 274
 275     def commit(self):
 276         self.store.commit()
 277
 278
 279 class StormTree(Tree):
 280     __storm_table__ = "tree"
 281
 282     id = Int(primary=True)
 283     name = RawStr()
 284     scm = Int()
 285     branch = RawStr()
 286     subdir = RawStr()
 287     repo = RawStr()
 288     scm = RawStr()
 289
 290
 291 def setup_schema(db):
 292     db.execute("PRAGMA foreign_keys = 1;", noresult=True)
 293     db.execute("""
 294 CREATE TABLE IF NOT EXISTS host (
 295     id integer primary key autoincrement,
 296     name blob not null,
 297     owner text,
 298     owner_email text,
 299     password text,
 300     ssh_access int,
 301     fqdn text,
 302     platform text,
 303     permission text,
 304     last_dead_mail int,
 305     join_time int
 306 );""", noresult=True)
 307     db.execute("CREATE UNIQUE INDEX IF NOT EXISTS unique_hostname ON host (name);", noresult=True)
 308     db.execute("""
 309 CREATE TABLE IF NOT EXISTS build (
 310     id integer primary key autoincrement,
 311     tree blob not null,
 312     revision blob,
 313     host blob not null,
 314     host_id integer,
 315     compiler blob not null,
 316     checksum blob,
 317     age int,
 318     status blob,
 319     basename blob,
 320     FOREIGN KEY (host_id) REFERENCES host (id)
 321 );""", noresult=True)
 322     db.execute("CREATE UNIQUE INDEX IF NOT EXISTS unique_checksum ON build (checksum);", noresult=True)
 323     db.execute("""
 324 CREATE TABLE IF NOT EXISTS tree (
 325     id integer primary key autoincrement,
 326     name blob not null,
 327     scm int,
 328     branch blob,
 329     subdir blob,
 330     repo blob
 331     );""", noresult=True)
 332
 333
 334 def memory_store():
 335     db = create_database("sqlite:")
 336     store = Store(db)
 337     setup_schema(store)
 338     return store