def upgrade_db(self):
"""
Call C{specturm --check-db-version} to see if the schema version
of the database is up to date. If not, call C{spectrum
--upgrade-db} and try to upgrade the schema.
@raise RuntimeError: If any of the launched commands fail.
"""
path = os.path.abspath(self.config_path)
# fork and drop privileges:
pid = os.fork()
if pid:
# we are the parent!
pid, status = os.waitpid(pid, 0)
status = (status & 0xff00) >> 8
if status == 0:
return
elif status == 1:
raise RuntimeError("db_version table does not exist", 1)
elif status == 3:
raise RuntimeError("Error connecting to the database", 1)
elif status == 100:
raise RuntimeError("Could not find spectrum binary", 1)
elif status == 101:
raise RuntimeError(
"Exception thrown, please contact the maintainers", 1)
elif status == 102:
raise RuntimeError("Username does not exist", 1)
else:
raise RuntimeError("Child exited with unknown exit status", 1)
else:
exit_code = 0
try:
# drop privileges:
try:
env.drop_privs(env.get_uid(), env.get_gid())
except RuntimeError, e:
os._exit(102)
check_cmd = [self.get_binary(), '--check-db-version', path]
process = Popen(check_cmd, stdout=PIPE)
process.communicate()
if process.returncode == 2:
update_cmd = ['spectrum', '--upgrade-db', path]
process = Popen(update_cmd, stdout=PIPE)
process.communicate()
os._exit(process.returncode)
else:
os._exit(process.returncode)
except OSError, e:
os._exit(100) # spectrum wasn't found
def upgrade_db(self):
"""
Call C{specturm --check-db-version} to see if the schema version
of the database is up to date. If not, call C{spectrum
--upgrade-db} and try to upgrade the schema.
@raise RuntimeError: If any of the launched commands fail.
"""
path = os.path.abspath(self.config_path)
# fork and drop privileges:
pid = os.fork()
if pid:
# we are the parent!
pid, status = os.waitpid(pid, 0)
status = (status & 0xFF00) >> 8
if status == 0:
return
elif status == 1:
raise RuntimeError("db_version table does not exist", 1)
elif status == 3:
raise RuntimeError("Error connecting to the database", 1)
elif status == 100:
raise RuntimeError("Could not find spectrum binary", 1)
elif status == 101:
raise RuntimeError("Exception thrown, please contact the maintainers", 1)
elif status == 102:
raise RuntimeError("Username does not exist", 1)
else:
raise RuntimeError("Child exited with unknown exit status", 1)
else:
exit_code = 0
try:
# drop privileges:
try:
env.drop_privs(env.get_uid(), env.get_gid())
except RuntimeError, e:
os._exit(102)
check_cmd = [self.get_binary(), "--check-db-version", path]
process = subprocess.Popen(check_cmd, stdout=subprocess.PIPE)
process.communicate()
if process.returncode == 2:
update_cmd = ["spectrum", "--upgrade-db", path]
process = subprocess.Popen(update_cmd, stdout=subprocess.PIPE)
process.communicate()
os._exit(process.returncode)
else:
os._exit(process.returncode)
except OSError, e:
os._exit(100) # spectrum wasn't found
raise RuntimeError("Error connecting to the database", 1)
elif status == 100:
raise RuntimeError("Could not find spectrum binary", 1)
elif status == 101:
raise RuntimeError(
"Exception thrown, please contact the maintainers", 1)
elif status == 102:
raise RuntimeError("Username does not exist", 1)
else:
raise RuntimeError("Child exited with unknown exit status", 1)
else:
exit_code = 0
try:
# we are the child
try:
env.drop_privs(env.get_uid(), env.get_gid())
except RuntimeError, e:
os._exit(102)
# get the absolute path of the config file
path = os.path.abspath(self.config_path)
# check if database is at current version:
check_cmd = [self.get_binary(), '--check-db-version', path]
process = Popen(check_cmd, stdout=PIPE)
process.communicate()
if process.returncode != 0:
os._exit(process.returncode)
# finally start spectrum:
cmd = [self.get_binary()]
elif status == 3:
raise RuntimeError("Error connecting to the database", 1)
elif status == 100:
raise RuntimeError("Could not find spectrum binary", 1)
elif status == 101:
raise RuntimeError("Exception thrown, please contact the maintainers", 1)
elif status == 102:
raise RuntimeError("Username does not exist", 1)
else:
raise RuntimeError("Child exited with unknown exit status", 1)
else:
exit_code = 0
try:
# we are the child
try:
env.drop_privs(env.get_uid(), env.get_gid())
except RuntimeError, e:
os._exit(102)
# get the absolute path of the config file
path = os.path.abspath(self.config_path)
# check if database is at current version:
check_cmd = [self.get_binary(), "--check-db-version", path]
process = subprocess.Popen(check_cmd, stdout=subprocess.PIPE)
process.communicate()
if process.returncode != 0:
os._exit(process.returncode)
# finally start spectrum:
cmd = [self.get_binary()]
