Remove pysync

This was only used by gprepairmirrorseg, which was removed in a previous
commit.
Authored-by: NChris Hajas <chajas@pivotal.io>

gpMgmt/bin/gppylib/commands/gp.py

@@ -54,23 +54,6 @@ def getPostmasterPID(hostname, datadir):
     except:
         return -1
 
-#-----------------------------------------------
-class PySync(Command):
-    def __init__(self,name,srcDir,dstHost,dstDir,ctxt=LOCAL,remoteHost=None, options=None):
-        psync_executable=GPHOME + "/bin/lib/pysync.py"
-
-        # MPP-13617
-        if ':' in dstHost and not ']' in dstHost:
-            dstHost = '[' + dstHost + ']'
-
-        self.cmdStr="%s %s %s %s:%s" % (psync_executable,
-                                        options if options else "",
-                                        srcDir,
-                                        dstHost,
-                                        dstDir)
-        Command.__init__(self,name,self.cmdStr,ctxt,remoteHost)
-
-
 #-----------------------------------------------
 
 class CmdArgs(list):

gpMgmt/bin/gppylib/test/unit/test_unit_pysync.py

-import os, tempfile, hashlib
-from gp_unittest import *
-from lib.pysync import LocalPysync
-
-CONTENT = 'To be or not to be.'
-
-class LocalPySyncTestCase(GpTestCase):
-
-    def setUp(self):
-        self.subject = LocalPysync(['pysync', '/tmp', 'localhost:/tmp'])
-
-    def tearDown(self):
-        super(LocalPySyncTestCase, self).tearDown()
-
-    def test_doCommand_getDigest(self):
-        filename = ''
-        try:
-            filename, filesize = createTempFileWithContent(CONTENT)
-            doCommand_digest = self.subject.doCommand(['getDigest', filename, 0, filesize])
-            m = hashlib.sha256()
-            m.update(CONTENT)
-            self.assertTrue(m.digest() == doCommand_digest)
-        finally:
-            os.unlink(filename)
-
-def createTempFileWithContent(content):
-    fd = tempfile.NamedTemporaryFile(delete=False)
-    fd.write(content)
-    filename = fd.name
-    fd.close()
-    filesize = os.stat(filename).st_size
-
-    return filename, filesize
-
-
-
-if __name__ == '__main__':
-    run_tests()
-