def getStatusUsingTransition(self, seg, statusRequest, currentPMPidData):
"""
The data as from GpSegStatusProgram.getPidRunningStatus
"""
if currentPMPidData is not None and \
(currentPMPidData['pidValue'] == 0 or not currentPMPidData['lockFileExists'] or not currentPMPidData['netstatPortActive']):
logger.warn("Error getting data from segment %s; it is not running" % seg.getSegmentDataDirectory())
return None
cmd = gp.SendFilerepTransitionStatusMessage("Check Status", statusRequest, seg.getSegmentDataDirectory(),
seg.getSegmentPort())
cmd.run()
return cmd.unpackSuccessLine()
def impl(context):
cmd = gp.SendFilerepTransitionStatusMessage(
name='Get segment status',
msg=gp.SEGMENT_STATUS_GET_STATUS,
dataDir=context.remote_pair_primary_datadir,
port=context.remote_pair_primary_port,
ctxt=gp.REMOTE,
remoteHost=context.remote_pair_primary_host)
# wait for segment state of the corresponding primary segment to complete its transition
# the timeout depends on how soon the current cluster can complete this transition(eg: networking).
max_try = 5
while max_try > 0:
cmd.run(validateAfter=False)
if 'ChangeTrackingDisabled' in cmd.get_results().stderr:
break
sleep(10)
max_try = max_try - 1
if max_try == 0:
raise Exception(
'Failed to inject segment id %s into change tracking disabled state'
% context.remote_pair_primary_segdbId)
def __checkLocaleAndConnect(self):
"""
Check locale information of primaries.
"""
self.logger.info("Validating segment locales...")
# ask each primary for its locale details
#
dataDirToCmd = {}
for datadir, seg in self.overall_status.dirmap.items():
if seg.isSegmentPrimary(True):
# we CANNOT validate using a psql connection because this may hang (see MPP-9974).
# so we validate these items using a postmaster 'transition' message
#
name = "Check Status"
statusmsg = "getCollationAndDataDirSettings"
port = seg.getSegmentPort()
self.logger.info("Checking %s, port %s" % (datadir, port))
cmd = gp.SendFilerepTransitionStatusMessage(
name, statusmsg, datadir, port)
dataDirToCmd[datadir] = cmd
self.pool.addCommand(cmd)
self.pool.join()
# examine results from the primaries
#
for datadir, cmd in dataDirToCmd.items():
self.logger.info("Reviewing %s" % datadir)
cmd.get_results()
line = cmd.unpackSuccessLine()
if line is None:
msg = "Unable to connect to server"
reasoncode = gp.SEGSTART_ERROR_CHECKING_CONNECTION_AND_LOCALE_FAILED
self.overall_status.mark_failed(datadir, msg, reasoncode)
continue
dict_ = parseKeyColonValueLines(line)
# verify was parsed, and we got all needed data
if dict_ is None or \
[s for s in ["datadir", "lc_collate", "lc_monetary", "lc_numeric"] if s not in dict_]:
msg = "Invalid response from server"
reasoncode = gp.SEGSTART_ERROR_CHECKING_CONNECTION_AND_LOCALE_FAILED
self.overall_status.mark_failed(datadir, msg, reasoncode)
continue
msg = ""
if dict_["lc_collate"] != self.expected_lc_collate:
msg += "".join([
"Segment's value of lc_collate does not match the master.\n",
" Master had value: '",
str(self.expected_lc_collate),
"' while this segment has: '",
str(dict_["lc_collate"]), "'\n"
])
if dict_["lc_monetary"] != self.expected_lc_monetary:
msg += "".join([
"Segment's value of lc_monetary does not match the master.\n",
" Master had value: '",
str(self.expected_lc_monetary),
"' while this segment has: '",
str(dict_["lc_monetary"]), "'\n"
])
if dict_["lc_numeric"] != self.expected_lc_numeric:
msg += "".join([
"Segment's value of lc_numeric does not match the master.\n",
" Master had value: '",
str(self.expected_lc_numeric),
"' while this segment has: '",
str(dict_["lc_numeric"]), "'\n"
])
if not os.path.samefile(dict_["datadir"], datadir):
msg += "".join([
"Segment's data directory does not match. ",
" Expected value: '",
str(datadir), "' Actual value: '",
str(dict_["datadir"]), "'\n"
])
if len(msg) > 0:
reasoncode = gp.SEGSTART_ERROR_CHECKING_CONNECTION_AND_LOCALE_FAILED
self.overall_status.mark_failed(datadir, msg, reasoncode)
