def isDirectory(self, path):
cmd = "{hadoopHome}/bin/hadoop fs -test -d {path}".format(
hadoopHome=config.HADOOP_HOME,
path=path
)
execute_shell = ExecuteShell()
return_code = execute_shell.executeShell(cmd)
if return_code == 0:
return True
return False
def createFile(self, path):
return_code = -2
cmd = "{hadoopHome}/bin/hadoop fs -touchz {path}".format(
hadoopHome=config.HADOOP_HOME,
path=path
)
if self.isFile(path):
return_code = 0
else:
execute_shell = ExecuteShell()
return_code = execute_shell.executeShell(cmd)
return return_code
def deleteFile(self, path):
return_code = -2
cmd = "{hadoopHome}/bin/hadoop fs -rm {path}".format(
hadoopHome=config.HADOOP_HOME,
path=path
)
if self.isDirectory(path):
return_code = 0
else:
execute_shell = ExecuteShell()
return_code = execute_shell.executeShell(cmd)
return return_code
def createDirectory(self, path):
return_code = -2
cmd = "{hadoopHome}/bin/hadoop fs -mkdir {path}".format(
hadoopHome=config.HADOOP_HOME,
path=path
)
if self.isDirectory(path):
print "---directory is already exist---:{}".format(path)
return_code = 0
else:
execute_shell = ExecuteShell()
return_code = execute_shell.executeShell(cmd)
if return_code != 0:
return_code = self.createDirectory_p(path)
return return_code