catalyst

   1 #!/usr/bin/python -OO
   2
   3 # Maintained in full by:
   4 # Andrew Gaffney <agaffney@gentoo.org>
   5 # Chris Gianelloni <wolf31o2@gentoo.org>
   6
   7 import os, sys, imp, string, getopt
   8 import pdb
   9 import os.path
  10
  11 __selfpath__ = os.path.abspath(os.path.dirname(__file__))
  12
  13 sys.path.append(__selfpath__ + "/modules")
  14
  15 import catalyst.config
  16 import catalyst.util
  17
  18 __maintainer__="Chris Gianelloni <wolf31o2@wolf31o2.org>"
  19 __version__="2.0.6.904"
  20
  21 conf_values={}
  22
  23 def usage():
  24         print "Usage catalyst [options] [-C variable=value...] [ -s identifier]"
  25         print " -a --clear-autoresume   clear autoresume flags"
  26         print " -c --config     use specified configuration file"
  27         print " -C --cli        catalyst commandline (MUST BE LAST OPTION)"
  28         print " -d --debug      enable debugging"
  29         print " -f --file       read specfile"
  30         print " -F --fetchonly  fetch files only"
  31         print " -h --help       print this help message"
  32         print " -p --purge      clear tmp dirs,package cache and autoresume flags"
  33         print " -P --purgeonly  clear tmp dirs,package cache and autoresume flags and exit"
  34         print " -s --snapshot   generate a release snapshot"
  35         print " -V --version    display version information"
  36         print " -v --verbose    verbose output"
  37         print
  38         print "Usage examples:"
  39         print
  40         print "Using the commandline option (-C, --cli) to build a Portage snapshot:"
  41         print "catalyst -C target=snapshot version_stamp=my_date"
  42         print
  43         print "Using the snapshot option (-s, --snapshot) to build a release snapshot:"
  44         print "catalyst -s 20071121"
  45         print
  46         print "Using the specfile option (-f, --file) to build a stage target:"
  47         print "catalyst -f stage1-specfile.spec"
  48
  49 def version():
  50         print "Catalyst, version "+__version__
  51         print "Copyright 2003-2008 Gentoo Foundation"
  52         print "Copyright 2008 various authors"
  53         print "Distributed under the GNU General Public License version 2.1\n"
  54
  55 def parse_config(myconfig):
  56         # search a couple of different areas for the main config file
  57         myconf={}
  58         config_file=""
  59
  60         confdefaults={ "storedir":"/var/tmp/catalyst",\
  61                 "sharedir":"/usr/share/catalyst","distdir":"/usr/portage/distfiles",\
  62                 "portdir":"/usr/portage","options":"",\
  63                 "snapshot_cache":"/var/tmp/catalyst/snapshot_cache",\
  64                 "hash_function":"crc32"}
  65
  66         # first, try the one passed (presumably from the cmdline)
  67         if myconfig:
  68                 if os.path.exists(myconfig):
  69                         print "Using command line specified Catalyst configuration file, "+myconfig
  70                         config_file=myconfig
  71
  72                 else:
  73                         print "!!! catalyst: Could not use specified configuration file "+\
  74                                 myconfig
  75                         sys.exit(1)
  76
  77         # next, try the default location
  78         elif os.path.exists("/etc/catalyst/catalyst.conf"):
  79                 print "Using default Catalyst configuration file, /etc/catalyst/catalyst.conf"
  80                 config_file="/etc/catalyst/catalyst.conf"
  81
  82         # can't find a config file (we are screwed), so bail out
  83         else:
  84                 print "!!! catalyst: Could not find a suitable configuration file"
  85                 sys.exit(1)
  86
  87         # now, try and parse the config file "config_file"
  88         try:
  89 #               execfile(config_file, myconf, myconf)
  90                 myconfig = catalyst.config.ConfigParser(config_file)
  91                 myconf.update(myconfig.get_values())
  92
  93         except:
  94                 print "!!! catalyst: Unable to parse configuration file, "+myconfig
  95                 sys.exit(1)
  96
  97         # now, load up the values into conf_values so that we can use them
  98         for x in confdefaults.keys():
  99                 if myconf.has_key(x):
 100                         print "Setting",x,"to config file value \""+myconf[x]+"\""
 101                         conf_values[x]=myconf[x]
 102                 else:
 103                         print "Setting",x,"to default value \""+confdefaults[x]+"\""
 104                         conf_values[x]=confdefaults[x]
 105
 106         # parse out the rest of the options from the config file
 107         if "autoresume" in string.split(conf_values["options"]):
 108                 print "Autoresuming support enabled."
 109                 conf_values["AUTORESUME"]="1"
 110
 111         if "ccache" in string.split(conf_values["options"]):
 112                 print "Compiler cache support enabled."
 113                 conf_values["CCACHE"]="1"
 114
 115         if "clear-autoresume" in string.split(conf_values["options"]):
 116                 print "Cleaning autoresume flags support enabled."
 117                 conf_values["CLEAR_AUTORESUME"]="1"
 118
 119 #       if "compress" in string.split(conf_values["options"]):
 120 #               print "Compression enabled."
 121 #               conf_values["COMPRESS"]="1"
 122
 123         if "distcc" in string.split(conf_values["options"]):
 124                 print "Distcc support enabled."
 125                 conf_values["DISTCC"]="1"
 126
 127         if "icecream" in string.split(conf_values["options"]):
 128                 print "Icecream compiler cluster support enabled."
 129                 conf_values["ICECREAM"]="1"
 130
 131         if "kerncache" in string.split(conf_values["options"]):
 132                 print "Kernel cache support enabled."
 133                 conf_values["KERNCACHE"]="1"
 134
 135         if "pkgcache" in string.split(conf_values["options"]):
 136                 print "Package cache support enabled."
 137                 conf_values["PKGCACHE"]="1"
 138
 139         if "purge" in string.split(conf_values["options"]):
 140                 print "Purge support enabled."
 141                 conf_values["PURGE"]="1"
 142
 143         if "seedcache" in string.split(conf_values["options"]):
 144                 print "Seed cache support enabled."
 145                 conf_values["SEEDCACHE"]="1"
 146
 147         if "snapcache" in string.split(conf_values["options"]):
 148                 print "Snapshot cache support enabled."
 149                 conf_values["SNAPCACHE"]="1"
 150
 151         if "metadata_overlay" in conf_values["options"].split():
 152                 print "Use of metadata_overlay module for portage enabled."
 153                 conf_values["METADATA_OVERLAY"]="1"
 154
 155 #       if "tarball" in string.split(conf_values["options"]):
 156 #               print "Tarball creation enabled."
 157 #               conf_values["TARBALL"]="1"
 158
 159         if myconf.has_key("digests"):
 160                 conf_values["digests"]=myconf["digests"]
 161         if myconf.has_key("contents"):
 162                 conf_values["contents"]=myconf["contents"]
 163
 164         if myconf.has_key("envscript"):
 165                 print "Envscript support enabled."
 166                 conf_values["ENVSCRIPT"]=myconf["envscript"]
 167
 168 def import_modules():
 169         # import catalyst's own modules (i.e. catalyst_support and the arch modules)
 170         targetmap={}
 171
 172         try:
 173                 for x in required_build_targets:
 174                         try:
 175                                 fh=open(conf_values["sharedir"]+"/modules/"+x+".py")
 176                                 module=imp.load_module(x,fh,"modules/"+x+".py",(".py","r",imp.PY_SOURCE))
 177                                 fh.close()
 178
 179                         except IOError:
 180                                 raise CatalystError,"Can't find "+x+".py plugin in "+\
 181                                         conf_values.settings["sharedir"]+"/modules/"
 182
 183                 for x in valid_build_targets:
 184                         try:
 185                                 fh=open(conf_values["sharedir"]+"/modules/"+x+".py")
 186                                 module=imp.load_module(x,fh,"modules/"+x+".py",(".py","r",imp.PY_SOURCE))
 187                                 module.register(targetmap)
 188                                 fh.close()
 189
 190                         except IOError:
 191                                 raise CatalystError,"Can't find "+x+".py plugin in "+\
 192                                         conf_values.settings["sharedir"]+"/modules/"
 193
 194         except ImportError:
 195                 print "!!! catalyst: Python modules not found in "+\
 196                         conf_values["sharedir"]+"/modules; exiting."
 197                 sys.exit(1)
 198
 199         return targetmap
 200
 201 def build_target(addlargs, targetmap):
 202         try:
 203                 if not targetmap.has_key(addlargs["target"]):
 204                         raise CatalystError,"Target \""+addlargs["target"]+"\" not available."
 205
 206                 mytarget=targetmap[addlargs["target"]](conf_values, addlargs)
 207
 208                 mytarget.run()
 209
 210         except:
 211                 catalyst.util.print_traceback()
 212                 print "!!! catalyst: Error encountered during run of target " + addlargs["target"]
 213                 sys.exit(1)
 214
 215 if __name__ == "__main__":
 216         targetmap={}
 217
 218         version()
 219         if os.getuid() != 0:
 220                 # catalyst cannot be run as a normal user due to chroots, mounts, etc
 221                 print "!!! catalyst: This script requires root privileges to operate"
 222                 sys.exit(2)
 223
 224         # we need some options in order to work correctly
 225         if len(sys.argv) < 2:
 226                 usage()
 227                 sys.exit(2)
 228
 229         # parse out the command line arguments
 230         try:
 231                 opts,args = getopt.getopt(sys.argv[1:], "apPhvdc:C:f:FVs:", ["purge", "purgeonly", "help", "version", "debug",\
 232                         "clear-autoresume", "config=", "cli=", "file=", "fetch", "verbose","snapshot="])
 233
 234         except getopt.GetoptError:
 235                 usage()
 236                 sys.exit(2)
 237
 238         # defaults for commandline opts
 239         debug=False
 240         verbose=False
 241         fetch=False
 242         myconfig=""
 243         myspecfile=""
 244         mycmdline=[]
 245         myopts=[]
 246
 247         # check preconditions
 248         if len(opts) == 0:
 249                 print "!!! catalyst: please specify one of either -f or -C\n"
 250                 usage()
 251                 sys.exit(2)
 252
 253         run = False
 254         for o, a in opts:
 255                 if o in ("-h", "--help"):
 256                         usage()
 257                         sys.exit(1)
 258
 259                 if o in ("-V", "--version"):
 260                         print "Catalyst version "+__version__
 261                         sys.exit(1)
 262
 263                 if o in ("-d", "--debug"):
 264                         conf_values["DEBUG"]="1"
 265                         conf_values["VERBOSE"]="1"
 266
 267                 if o in ("-c", "--config"):
 268                         myconfig=a
 269
 270                 if o in ("-C", "--cli"):
 271                         run = True
 272                         x=sys.argv.index(o)+1
 273                         while x < len(sys.argv):
 274                                 mycmdline.append(sys.argv[x])
 275                                 x=x+1
 276
 277                 if o in ("-f", "--file"):
 278                         run = True
 279                         myspecfile=a
 280
 281                 if o in ("-F", "--fetchonly"):
 282                         conf_values["FETCH"]="1"
 283
 284                 if o in ("-v", "--verbose"):
 285                         conf_values["VERBOSE"]="1"
 286
 287                 if o in ("-s", "--snapshot"):
 288                         if len(sys.argv) < 3:
 289                                 print "!!! catalyst: missing snapshot identifier\n"
 290                                 usage()
 291                                 sys.exit(2)
 292                         else:
 293                                 run = True
 294                                 mycmdline.append("target=snapshot")
 295                                 mycmdline.append("version_stamp="+a)
 296
 297                 if o in ("-p", "--purge"):
 298                         conf_values["PURGE"] = "1"
 299
 300                 if o in ("-P", "--purgeonly"):
 301                         conf_values["PURGEONLY"] = "1"
 302
 303                 if o in ("-a", "--clear-autoresume"):
 304                         conf_values["CLEAR_AUTORESUME"] = "1"
 305
 306         if not run:
 307                 print "!!! catalyst: please specify one of either -f or -C\n"
 308                 usage()
 309                 sys.exit(2)
 310
 311         # import configuration file and import our main module using those settings
 312         parse_config(myconfig)
 313         sys.path.append(conf_values["sharedir"]+"/modules")
 314         from catalyst_support import *
 315
 316         # Start checking that digests are valid now that the hash_map was imported from catalyst_support
 317         if conf_values.has_key("digests"):
 318                 for i in conf_values["digests"].split():
 319                         if not hash_map.has_key(i):
 320                                 print
 321                                 print i+" is not a valid digest entry"
 322                                 print "Valid digest entries:"
 323                                 print hash_map.keys()
 324                                 print
 325                                 print "Catalyst aborting...."
 326                                 sys.exit(2)
 327                         if find_binary(hash_map[i][1]) == None:
 328                                 print
 329                                 print "digest="+i
 330                                 print "\tThe "+hash_map[i][1]+\
 331                                         " binary was not found. It needs to be in your system path"
 332                                 print
 333                                 print "Catalyst aborting...."
 334                                 sys.exit(2)
 335         if conf_values.has_key("hash_function"):
 336                 if not hash_map.has_key(conf_values["hash_function"]):
 337                         print
 338                         print conf_values["hash_function"]+" is not a valid hash_function entry"
 339                         print "Valid hash_function entries:"
 340                         print hash_map.keys()
 341                         print
 342                         print "Catalyst aborting...."
 343                         sys.exit(2)
 344                 if find_binary(hash_map[conf_values["hash_function"]][1]) == None:
 345                         print
 346                         print "hash_function="+conf_values["hash_function"]
 347                         print "\tThe "+hash_map[conf_values["hash_function"]][1]+\
 348                                 " binary was not found. It needs to be in your system path"
 349                         print
 350                         print "Catalyst aborting...."
 351                         sys.exit(2)
 352
 353         # import the rest of the catalyst modules
 354         targetmap=import_modules()
 355
 356         addlargs={}
 357
 358         if myspecfile:
 359                 spec = catalyst.config.SpecParser(myspecfile)
 360                 addlargs.update(spec.get_values())
 361
 362         if mycmdline:
 363                 try:
 364                         cmdline = catalyst.config.ConfigParser()
 365                         cmdline.parse_lines(mycmdline)
 366                         addlargs.update(cmdline.get_values())
 367                 except CatalystError:
 368                         print "!!! catalyst: Could not parse commandline, exiting."
 369                         sys.exit(1)
 370
 371         if not addlargs.has_key("target"):
 372                 raise CatalystError, "Required value \"target\" not specified."
 373
 374         # everything is setup, so the build is a go
 375         try:
 376                 build_target(addlargs, targetmap)
 377
 378         except CatalystError:
 379                 print
 380                 print "Catalyst aborting...."
 381                 sys.exit(2)
 382         except KeyboardInterrupt:
 383                 print "\nCatalyst build aborted due to user interrupt ( Ctrl-C )"
 384                 print
 385                 print "Catalyst aborting...."
 386                 sys.exit(2)
 387         except LockInUse:
 388                 print "Catalyst aborting...."
 389                 sys.exit(2)
 390         except:
 391                 print "Catalyst aborting...."
 392                 raise
 393                 sys.exit(2)
 394
 395         #except CatalystError:
 396         #       print
 397         #       print "Catalyst aborting...."
 398         #       sys.exit(2)
 399         #except KeyError:
 400         #       print "\nproblem with command line or spec file ( Key Error )"
 401         #       print "Key: "+str(sys.exc_value)+" was not found"
 402         #       print "Catalyst aborting...."
 403         #       sys.exit(2)
 404         #except UnboundLocalError:
 405         #       print
 406         #       print "UnboundLocalError: "+str(sys.exc_value)+" was not found"
 407         #       raise
 408         #       print
 409         #       print "Catalyst aborting...."
 410         #       sys.exit(2)