def _discoverDatabases(solman, sysPairsBySysName, sendVector, reportError,
resolveIps):
try:
logger.info("Discover Databases")
query = GetDatabaseUsages()
queryExecutor = TableQueryExecutor(solman)
dbName = second
usagePairsByDbName = groupby(dbName, queryExecutor.executeQuery(query))
logger.info("Found %s databases in use" % len(usagePairsByDbName))
query = GetDatabaseInstances()
inDiscoveredSystems = F(_inDiscoveredSystems, fptools._, sysPairsBySysName)
isUsedDb = comp(inDiscoveredSystems,
usagePairsByDbName.get,
_getDbInstance)
findPlatform = comp(db_platform.findPlatformBySignature, _getDbVendor)
dbInsts = queryExecutor.executeQuery(query)
logger.info("Found %s database instances" % len(dbInsts))
dbs_1, dbs_2, dbs_3 = tee(ifilter(isUsedDb, dbInsts), 3)
platforms = imap(findPlatform, dbs_1)
ips = imap(comp(resolveIps, _getAddress), dbs_2)
dbs = ifilter(all, izip(dbs_3, platforms, ips))
reported = len(map(comp(sendVector, _reportDatabase), dbs))
logger.info("Reported %s databases" % reported)
except Exception:
msg = 'Failed to discover databases'
logger.debugException(msg)
reportError(msg)
def _discoverHostToAddressMapping(solman, reportError):
r'@types: ?, (str -> None) -> dict[str, sap.Address]'
logger.info("Discovery hostname to IP mapping")
mapping = {}
try:
query = GetHostToAddressMapping()
queryExecutor = TableQueryExecutor(solman)
addresses = queryExecutor.executeQuery(query)
getHostname = lambda a: a.hostname
mapping = applyMapping(getHostname, addresses)
except (Exception, JException):
msg = "Failed to discovery mappings"
logger.warn(msg)
reportError(msg)
return mapping
