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import sys
import protocol
import socket
import pickle
from time import sleep
import os
import errno
import subprocess
from subprocess import CalledProcessError
import re
import string
from string import atoi
import portage
import portage._sets as psets
from traceback import print_exc, format_exc
from util import WritableObject, flatten_deps
from common.exceptions import ChrootPreparationException
import config
from logger import log, init_logging
class Tinderbox(object):
NOMERGE_PKGS=['sys-apps/portage']
def __init__(self):
self.hostname = config.MATCHBOX_HOST
self.port = config.MATCHBOX_PORT
self.sock = None
self.settings = portage.config(clone=portage.settings)
self.trees = portage.create_trees()
self.settings["PORTAGE_VERBOSE"]="1"
self.settings.backup_changes("PORTAGE_VERBOSE")
self.setconf = psets.SetConfig(None, self.settings, self.trees)
init_logging('/tmp')
def start_tinderbox(self):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# TODO load settings for contacting matchbox
self.sock.connect((self.hostname,self.port))
while 1:
# TODO error/exception checking
msg = protocol.GetNextPackage()
msg_pickled = pickle.dumps(msg)
self.sock.sendall(msg_pickled)
reply = self.sock.recv(1024)
reply_unpickled = pickle.loads(reply)
if type(reply_unpickled) is protocol.GetNextPackageReply:
gnp = reply_unpickled
print "going to compile: %s\nuse flags: %s" %\
(gnp.package_name,gnp.use_flags)
package = Package(gnp.package_name, gnp.version, gnp.use_flags)
sleep(5)
try:
self.emerge_package(package)
except Exception, e:
log.error("Fatal error when emerging package %s, see backtrace" % package.name)
log.error(format_exc())
else:
print "Unknown reply: %s" % reply_unpickled
def emerge_package(self, package):
log.debug("emerge_package starting for %s" % package.name)
settings = self.settings
porttree = self.trees[portage.root]['porttree']
portdb = porttree.dbapi
if not package.version:
# we are compiling ALL versions of package
allversions = portdb.xmatch('match-all', package.name)
else:
# we were told exact version to compile
allversions = ["%s-%s" % (package.name, package.version)]
for pkg in allversions:
ebuild = portdb.findname(pkg)
archs = portdb.aux_get(pkg, ["KEYWORDS"])[0]
archs = archs.split()
if settings["ARCH"] not in archs and "~%s" % settings["ARCH"] not in archs:
log.warning("Was asked to compile %s but it doesn't have our arch in KEYWORDS" % pkg)
continue
deps = portdb.aux_get(pkg,["DEPEND"])
deps = portage.dep.paren_reduce(deps[0])
settings.setcpv(pkg, mydb=portdb)
use_enabled = set(settings["PORTAGE_USE"].split())
iuse = set(settings["IUSE"].split())
# only count deps enabled by USE flags
use_deps = portage.dep.use_reduce(deps, list(use_enabled & iuse))
use_deps = self._normalize_dependencies(use_deps)
use_deps = flatten_deps(use_deps)
log.debug("calling create_dep_groups for pkg %s use_deps %s" % (pkg, use_deps))
dep_groups = self.create_dep_groups(use_deps)
# prepare chroot & fork & do work
try:
subprocess.check_call([config.MK_CHROOT_SCRIPT,"-s",config.STAGE_TARBALL,
config.BASE_CHROOT, config.WORK_CHROOT])
except CalledProcessError, cpe:
raise ChrootPreparationException("Chroot preparation for %s failed with error code: %d"
% (pkg, cpe.returncode))
except OSError, ose:
raise ChrootPreparationException("Chroot preparation for %s failed with error(%d): %s\n\
Check your settings"
% (pkg, ose.errno, ose.strerror))
self.child_pid = os.fork()
childpid = self.child_pid
if 0 == childpid:
# we are the child!
try:
# setup logging!
os.chroot(config.WORK_CHROOT)
os.chdir("/")
init_logging(config.CHROOT_LOGS)
pkgname, pkgver, pkgrev = portage.pkgsplit(pkg)
if pkgrev is "r0":
package.version = pkgver
else:
package.version = "%s-%s" % (pkgver, pkgrev)
package.reinit()
self._emerge_package_subprocess(pkg, ebuild, dep_groups, package)
sys.exit(0)
except Exception, e:
print_exc()
print "Something went really bad and we need logging, stat!"
log.error("Unrecoverable error in tinderbox slave, see backtrace for possible solutions:")
log.error(format_exc())
sys.exit(1)
(retpid, status) = os.waitpid(childpid, 0)
if 0 != status:
# something went really wrong, grab all the info we can
print "Something went really bad and we need logging, stat!"
log.error("Emerge of package %s failed with error code: %d" % (pkg, status))
try:
package_infos = self._load_info('package_infos')
except IOError, e:
log.error("Loading package_infos file failed, something has gone wrong in subprocess apparently")
package.attachments["error"] = "Loading package_infos failed, package was not compiled with any dependency combination"
package_infos = [package.get_info()]
msg = protocol.AddPackageInfo(package_infos)
self.sock.sendall(pickle.dumps(msg))
#TODO make binpkg
def _emerge_package_subprocess(self, pkg, ebuild, dep_groups, package):
# We are chrooted inside WORK_CHROOT remember!
porttree = self.trees[portage.root]['porttree']
portdb = porttree.dbapi
vartree = self.trees[portage.root]["vartree"]
package_infos = []
settings = self.settings
for group in dep_groups:
dep_failed = False
deps_processed = []
for dep in group:
try:
# this will need to change since it's only a quick hack so that
# we don't have to do dep resolution ourselves
import _emerge as emerge
dep_emergepid = os.fork()
# we need to run emerge_main() in child process since a lot of stuff in there
# likes to call sys.exit() and we don't want that do we?
if 0 == dep_emergepid:
try:
extra_use = dep[0]
if extra_use:
os.environ["USE"]=" ".join(extra_use)
os.environ["FEATURES"] = "-strict"
sys.argv = ["emerge","--verbose", "--usepkg", "--buildpkg" ,"=%s" % dep[1]]
exit_code = emerge.emerge_main()
sys.exit(exit_code)
except Exception, e:
print_exc()
log.error(format_exc())
sys.exit(1)
ret = os.waitpid(dep_emergepid, 0)
if 0 != ret[1]:
raise Exception("emerge_main() failed with error code %d" % ret[1])
except Exception, e:
log.error(format_exc())
log.error("Unable to merge dependency %s for package %s" % (dep, pkg))
dep_failed = True
break
deps_processed.append(dep)
settings.setcpv(dep[1], mydb=portdb)
dep_use_enabled = set(settings["PORTAGE_USE"].split())
dep_iuse = set(settings["IUSE"].split())
dep_name, dep_ver, dep_rev = portage.pkgsplit(dep[1])
real_use_enabled = list(dep_use_enabled & dep_iuse)
if dep[0]:
for useflag in dep[0]:
if useflag.startswith('-'):
if 0 is not l.count(useflag[1:]):
real_use_enabled.remove(useflag[1:])
elif 0 == real_use_enabled.count(useflag):
real_use_enabled.append(useflag)
if dep_rev is'r0':
dep_ver_full = dep_ver
else:
dep_ver_full = "%s-%s" % (dep_ver, dep_rev)
dep_pkg = Package(dep_name, dep_ver_full, real_use_enabled)
package_infos.append(dep_pkg.get_info())
if dep_failed:
log.error("Unable to emerge package %s with deps %s" % (pkg, group))
# TODO unmerge succeeded deps
self._add_attachment(package, "/var/log/emerge.log")
package.depends = [x[1] for x in group]
continue
settings.setcpv(pkg, mydb=portdb)
ret = portage.doebuild(ebuild, "merge", portage.root, settings, debug = False, tree="porttree")
if 0 != ret:
# error installing, grab logs
self._add_attachment(package, "%s/build.log" % settings["T"])
self._add_attachment(package, "%s/environment" % settings["T"])
self._add_attachment(package, "%s/tinderbox.log" % config.CHROOT_LOGS)
self._add_attachment(package, "/var/log/emerge.log")
package.depends = [x[1] for x in deps_processed]
package_infos.append(package.get_info())
for dep in group:
if dep[1] in self.setconf.getSetAtoms("system"):
pass
dep_cat, dep_pv = portage.catsplit(dep[1])
ret = portage.unmerge(dep_cat, dep_pv, portage.root, settings, True, vartree=vartree)
if 0 != ret:
log.error("Unable to unmerge dep %s" % dep)
pkg_cat, pkg_pv = portage.catsplit(pkg)
ret = portage.unmerge(pkg_cat, pkg_pv, portage.root, settings, True, vartree=vartree)
if ret != 0:
log.error("Unable to unmerge package %s" % dep)
self._save_info('package_infos', package_infos)
def _add_attachment(self, pkg, path):
try:
attfile = open(path,"r")
except IOError, (errno, strerror):
print "Unable to read file %s: %d: %s" % (path, errno, strerror)
log.warning("Unable to read file (%s) %d: %s" % (path, errno, strerror))
pkg.attachments[os.path.basename(path)] = "Unable to read file %s" % path
else:
pkg.attachments[os.path.basename(path)] = attfile.read()
attfile.close()
del attfile
def _save_info(self, key, data):
"""
Save data inside CHROOT_LOGS directory, under name 'key'. This
function is called from within _emerge_package_subprocess to
save data for parent process
@param key: key used to identify data inside CHROOT_LOGS directory
@type key: string
@param data: data to be saved
@rtype: None
"""
outfile = open("%s/%s" % (config.CHROOT_LOGS, key), "w")
pickle.dump(data, outfile)
outfile.close()
def _load_info(self, key):
"""
Load data from CHROOT_LOGS directory (under WORK_CHROOT) with filename 'key'
@param key: key used to identify data inside directory
@type key: string
@rtype: depends on key
@returns: data loaded from filename, usually blob
"""
infile = open("%s/%s/%s" % (config.WORK_CHROOT, config.CHROOT_LOGS,
key),"r")
return pickle.load(infile)
def get_emerge_info(self):
"""
@rtype: string
@returns: emerge --info output
"""
infoout = WritableObject()
sys.stdout = infoout
# emerge.action_info(self.settings, self.trees, [], [])
# REDO withouth emerge.action_info
ret = sys.stdout.content
sys.stdout = sys.__stdout__
return string.join(infoout.content,sep='')
def _normalize_dependencies(self, deps):
"""
Normalizes dependencies by replacing '||' by with alternative
@param deps: depedencies (list of package atoms)
@type deps: List
@rtype: List
@returns: Normalized list of package atoms with replaced || groups
Example:
>>> from tinderbox import Tinderbox as tb
>>> t = tb()
>>> t._normalize_dependencies(['||', ['=virtual/jdk-1.5*', '=virtual/jdk-1.4*'], 'app-arch/unzip'])
['=virtual/jdk-1.5*', 'app-arch/unzip']
>>>
"""
log.debug("normalize_dependencies called with deps: %s" % deps)
new_deps = []
for i in range(len(deps)):
if '||' == deps[i]:
next = deps[i+1]
if type(next) is list and len(next) > i:
deps[i+1] = next[0]
elif type(deps[i]) == list:
new_deps.extend(self._normalize_dependencies(deps[i]))
else:
new_deps.append(deps[i])
return new_deps
def create_dep_groups(self, deps):
"""
Create dependency groups from package dependencies
Every valid version of dep (according to input spec) has to be at least in
one output dependency group
@param deps: dependencies of package (atoms)
@type deps: List
@rtype: List of Lists
@returns: List of dependency groups (list of dependency versions) together with special use flags needed
Example:
Input: ['=dev-libs/glib-2*', '>=net-fs/samba-3.0.0', 'x11-libs/libX11','dev-util/subversion[-dso]']
Output:
[[(None,'net-fs/samba-3.2.11'),(None, 'dev-libs/glib-2.18.4-r1'),(None, 'x11-libs/libX11-1.1.2-r1'), (['-dso'],'dev-util/subversion-1.5.5'],
[(None,'net-fs/samba-3.0.32'),(None, 'dev-libs/glib-2.18.4-r1'),(None, 'x11-libs/libX11-1.1.3-r1'), (['-dso'],'dev-util/subversion-1.5.5'],
[(None,'net-fs/samba-3.0.32'),(None, 'dev-libs/glib-2.20.3'),(None, 'x11-libs/libX11-1.1.3'), (['-dso'],'dev-util/subversion-1.5.5'],
"""
log.debug("create_dep_groups called with deps %s" % deps)
result = None
porttree = self.trees[portage.root]['porttree']
portdb = porttree.dbapi
deps_expanded = []
max_dep_versions = 0
for dep in deps:
if dep[0].startswith('!') or dep in self.NOMERGE_PKGS:
continue
dep_useflag = list(portage.dep.dep_getusedeps(dep))
if 0 == len(dep_useflag):
dep_useflag = None
if not portage.dep.isvalidatom(dep):
log.error("%s is not valid atom in %s" % (dep, str(deps)))
continue
depversions = portdb.xmatch('match-all',dep)
depversions = [(dep_useflag,x) for x in depversions]
deps_expanded.append(depversions)
if len(depversions) > max_dep_versions:
max_dep_versions = len(depversions)
for dep in deps_expanded:
while len(dep) != 0 and len(dep) < max_dep_versions:
dep.append(dep[0])
result = []
for i in range(max_dep_versions):
group = []
for dep in deps_expanded:
if 0 == len(dep):
continue
group.append(dep.pop())
result.append(group)
return result
class Package(object):
def __init__(self, name, version, use_flags):
"""
@param name: category/name of given package (excluding version/release)
@type name: string
@param version: version part of CPV e.g. 1.2.0-r4
@type version: string
@param use_flags: list of enabled use flags for given package
@type use_flags: list
"""
self.name = name
self.version = version
self.use_flags = use_flags
self.reinit()
def reinit(self):
self.content = None
self.attachments = {}
self.depends = None
def get_info(self):
"""Returns protocol.PackageInfo with information about this package
@returns: PackageInfo for sending across network
@rtype: protocol.PackageInfo
"""
pi = protocol.PackageInfo()
pi.name = self.name
pi.version = self.version
pi.use_flags = self.use_flags
if self.content is None:
self.content = self.get_package_contents()
pi.content = self.content
pi.attachments = self.attachments
if 0 < len(self.attachments):
pi.error = 1
pi.depends = self.depends
pi.profile = self._get_current_profile()
return pi
def _get_current_profile(self):
ret = None
try:
profpath = os.readlink("%s/etc/make.profile" % portage.root)
ret = profpath[profpath.rindex("profiles")+len("profiles")+1:]
except Exception, e:
print e
return ret
def get_package_contents(self):
"""Returns package contents as dict with paths as keys
data values are tuples of information (such as hash and size)
@returns: package contents (or {} if it's not installed)
@rtype: dict
"""
vartree = portage.db[portage.root]["vartree"]
cpv = "%s-%s" % (self.name, self.version)
if not vartree.dbapi.cpv_exists(cpv):
# maybe raise exception? instead
return {}
cat, pkg = portage.catsplit(cpv)
dblink = portage.dblink(cat, pkg, portage.root, vartree.settings,
treetype="vartree", vartree=vartree)
return dblink.getcontents()
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