def __buildTarFileForTransfer(self, gpEnv, masterSegment, sampleSegment,
newSegments):
"""
Returns the file for the tarfile that should be transferred and used
for building the blank segment
"""
masterDir = gpEnv.getMasterDataDir()
# note that this tempdir will be left around on the system (this is what other scripts do currently)
tempDir = gp.createTempDirectoryName(gpEnv.getMasterDataDir(),
"gpbuildingsegment")
unix.MakeDirectory("create temp directory for segment",
tempDir).run(validateAfter=True)
schemaDir = tempDir + "/schema"
unix.MakeDirectory("create temp schema directory for segment",
schemaDir).run(validateAfter=True)
unix.Chmod.local('set permissions on schema dir', schemaDir,
'0700') # set perms so postgres can start
#
# Copy remote files from the sample segment to the master
#
for toCopyFromRemote in ["postgresql.conf", "pg_hba.conf"]:
cmd = gp.RemoteCopy('copying %s from a segment' % toCopyFromRemote,
os.path.join(
sampleSegment.getSegmentDataDirectory(),
toCopyFromRemote),
masterSegment.getSegmentHostName(),
schemaDir,
ctxt=base.REMOTE,
remoteHost=sampleSegment.getSegmentAddress())
cmd.run(validateAfter=True)
appendNewEntriesToHbaFile(schemaDir + "/pg_hba.conf", newSegments)
#
# Use the master's version of other files, and build
#
self.__createEmptyDirectories(schemaDir, gDatabaseDirectories)
self.__createEmptyDirectories(schemaDir, gDatabaseSubDirectories)
self.__copyFiles(masterDir, schemaDir, ["PG_VERSION", "pg_ident.conf"])
#
# Build final tar
#
tarFileName = "gp_emptySegmentSchema.tar"
tarFile = tempDir + "/" + tarFileName
cmd = gp.CreateTar('gpbuildingmirrorsegment tar segment template',
schemaDir, tarFile)
cmd.run(validateAfter=True)
return (tempDir, tarFile, tarFileName)
def __buildTarFileForTransfer(self, gpEnv, masterSegment, sampleSegment, newSegments):
"""
Returns the file for the tarfile that should be transferred and used
for building the blank segment
"""
masterDir = gpEnv.getMasterDataDir()
# note that this tempdir will be left around on the system (this is what other scripts do currently)
tempDir = gp.createTempDirectoryName(gpEnv.getMasterDataDir(), "gpbuildingsegment")
unix.MakeDirectory("create temp directory for segment", tempDir).run(validateAfter=True)
schemaDir = tempDir + "/schema"
unix.MakeDirectory("create temp schema directory for segment", schemaDir).run(validateAfter=True)
unix.Chmod.local("set permissions on schema dir", schemaDir, "0700") # set perms so postgres can start
#
# Copy remote files from the sample segment to the master
#
for toCopyFromRemote in ["postgresql.conf", "pg_hba.conf"]:
cmd = gp.RemoteCopy(
"copying %s from a segment" % toCopyFromRemote,
sampleSegment.getSegmentDataDirectory() + "/" + toCopyFromRemote,
masterSegment.getSegmentHostName(),
schemaDir,
ctxt=base.REMOTE,
remoteHost=sampleSegment.getSegmentAddress(),
)
cmd.run(validateAfter=True)
appendNewEntriesToHbaFile(schemaDir + "/pg_hba.conf", newSegments)
#
# Use the master's version of other files, and build
#
self.__createEmptyDirectories(schemaDir, gDatabaseDirectories)
self.__createEmptyDirectories(schemaDir, gDatabaseSubDirectories)
self.__copyFiles(masterDir, schemaDir, ["PG_VERSION", "pg_ident.conf"])
#
# Build final tar
#
tarFileName = "gp_emptySegmentSchema.tar"
tarFile = tempDir + "/" + tarFileName
cmd = gp.CreateTar("gpbuildingmirrorsegment tar segment template", schemaDir, tarFile)
cmd.run(validateAfter=True)
return (tempDir, tarFile, tarFileName)
