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def prserv_make_conn(d, check = False):
import prserv.serv
host_params = filter(None, (d.getVar("PRSERV_HOST", True) or '').split(':'))
try:
conn = None
conn = prserv.serv.PRServerConnection(host_params[0], int(host_params[1]))
if check:
if not conn.ping():
raise Exception('service not available')
d.setVar("__PRSERV_CONN",conn)
except Exception, exc:
bb.fatal("Connecting to PR service %s:%s failed: %s" % (host_params[0], host_params[1], str(exc)))
return conn
def prserv_dump_db(d):
if not d.getVar('PRSERV_HOST', True):
bb.error("Not using network based PR service")
return None
conn = d.getVar("__PRSERV_CONN", True)
if conn is None:
conn = prserv_make_conn(d)
if conn is None:
bb.error("Making connection failed to remote PR service")
return None
#dump db
opt_version = d.getVar('PRSERV_DUMPOPT_VERSION', True)
opt_pkgarch = d.getVar('PRSERV_DUMPOPT_PKGARCH', True)
opt_checksum = d.getVar('PRSERV_DUMPOPT_CHECKSUM', True)
opt_col = ("1" == d.getVar('PRSERV_DUMPOPT_COL', True))
return conn.export(opt_version, opt_pkgarch, opt_checksum, opt_col)
def prserv_import_db(d, filter_version=None, filter_pkgarch=None, filter_checksum=None):
if not d.getVar('PRSERV_HOST', True):
bb.error("Not using network based PR service")
return None
conn = d.getVar("__PRSERV_CONN", True)
if conn is None:
conn = prserv_make_conn(d)
if conn is None:
bb.error("Making connection failed to remote PR service")
return None
#get the entry values
imported = []
prefix = "PRAUTO$"
for v in d.keys():
if v.startswith(prefix):
(remain, sep, checksum) = v.rpartition('$')
(remain, sep, pkgarch) = remain.rpartition('$')
(remain, sep, version) = remain.rpartition('$')
if (remain + '$' != prefix) or \
(filter_version and filter_version != version) or \
(filter_pkgarch and filter_pkgarch != pkgarch) or \
(filter_checksum and filter_checksum != checksum):
continue
try:
value = int(d.getVar(remain + '$' + version + '$' + pkgarch + '$' + checksum, True))
except BaseException as exc:
bb.debug("Not valid value of %s:%s" % (v,str(exc)))
continue
ret = conn.importone(version,pkgarch,checksum,value)
if ret != value:
bb.error("importing(%s,%s,%s,%d) failed. DB may have larger value %d" % (version,pkgarch,checksum,value,ret))
else:
imported.append((version,pkgarch,checksum,value))
return imported
def prserv_export_tofile(d, metainfo, datainfo, lockdown, nomax=False):
import bb.utils
#initilize the output file
bb.utils.mkdirhier(d.getVar('PRSERV_DUMPDIR', True))
df = d.getVar('PRSERV_DUMPFILE', True)
#write data
lf = bb.utils.lockfile("%s.lock" % df)
f = open(df, "a")
if metainfo:
#dump column info
f.write("#PR_core_ver = \"%s\"\n\n" % metainfo['core_ver']);
f.write("#Table: %s\n" % metainfo['tbl_name'])
f.write("#Columns:\n")
f.write("#name \t type \t notn \t dflt \t pk\n")
f.write("#----------\t --------\t --------\t --------\t ----\n")
for i in range(len(metainfo['col_info'])):
f.write("#%10s\t %8s\t %8s\t %8s\t %4s\n" %
(metainfo['col_info'][i]['name'],
metainfo['col_info'][i]['type'],
metainfo['col_info'][i]['notnull'],
metainfo['col_info'][i]['dflt_value'],
metainfo['col_info'][i]['pk']))
f.write("\n")
if lockdown:
f.write("PRSERV_LOCKDOWN = \"1\"\n\n")
if datainfo:
idx = {}
for i in range(len(datainfo)):
pkgarch = datainfo[i]['pkgarch']
value = datainfo[i]['value']
if pkgarch not in idx:
idx[pkgarch] = i
elif value > datainfo[idx[pkgarch]]['value']:
idx[pkgarch] = i
f.write("PRAUTO$%s$%s$%s = \"%s\"\n" %
(str(datainfo[i]['version']), pkgarch, str(datainfo[i]['checksum']), str(value)))
if not nomax:
for i in idx:
f.write("PRAUTO_%s_%s = \"%s\"\n" % (str(datainfo[idx[i]]['version']),str(datainfo[idx[i]]['pkgarch']),str(datainfo[idx[i]]['value'])))
f.close()
bb.utils.unlockfile(lf)
def prserv_check_avail(d):
host_params = filter(None, (d.getVar("PRSERV_HOST", True) or '').split(':'))
try:
if len(host_params) != 2:
raise TypeError
else:
int(host_params[1])
except TypeError:
bb.fatal('Undefined/incorrect PRSERV_HOST value. Format: "host:port"')
else:
prserv_make_conn(d, True)
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