def _create_file_spaces(self):
media_dir_names = ["{0}.journal1.0".format(self.node_name),
"{0}.storage1.0".format(self.node_name),
"{0}.storage1.1".format(self.node_name),
"{0}.storage2.0".format(self.node_name),
"{0}.storage2.1".format(self.node_name), ]
media_paths = \
[os.path.join(self._media_dir, n) for n in media_dir_names]
# make media dirs for the node
for media_path in media_paths:
os.mkdir(media_path)
# link to local
media_link_paths = \
[os.path.join(self._home_dir, str(n+1)) \
for n in range(len(media_dir_names))]
for media_path, media_link_path in zip(media_paths,
media_link_paths):
self._log.info("linking {0} to {1}".format(media_path,
media_link_path))
os.symlink(media_path, media_link_path)
database_password = self.env['NIMBUSIO_NODE_USER_PASSWORD']
database_host = self.env["NIMBUSIO_NODE_DATABASE_HOST"]
database_port = int(self.env["NIMBUSIO_NODE_DATABASE_PORT"])
connection = get_node_connection(self.node_name,
database_password,
database_host,
database_port)
connection.begin_transaction()
command = """
insert into nimbusio_node.file_space
(space_id, purpose, path, volume )
values ( %s, %s, %s, %s);"""
connection.execute(command, [1, "journal", media_paths[0], "journal1"])
connection.execute(command, [2, "storage", media_paths[1], "storage1"])
connection.execute(command, [3, "storage", media_paths[2], "storage1"])
connection.execute(command, [4, "storage", media_paths[3], "storage2"])
connection.execute(command, [5, "storage", media_paths[4], "storage2"])
connection.commit()
connection.close()
def main():
"""
main entry point
"""
[
work_dir,
index_str,
] = sys.argv[1:]
index = int(index_str)
node_name = _node_names[index]
database_host = _node_database_hosts[index]
database_port = _node_database_ports[index]
database_password = _node_database_passwords[index]
log_path = "{0}/nimbusio_segment_puller_from_{1}_to_{2}.log".format(
os.environ["NIMBUSIO_LOG_DIR"], node_name, _local_node_name)
initialize_logging(log_path)
log = logging.getLogger("main")
log.info("program starts: work_dir={0}, index={1}, {2}".format(
work_dir, index, node_name))
try:
connection = get_node_connection(node_name, database_password,
database_host, database_port)
except Exception as instance:
log.exception("Unable to connect to database {0}".format(instance))
return -1
try:
_pull_segment_data(connection, work_dir, node_name)
_pull_damaged_segment_data(connection, work_dir, node_name)
except Exception as instance:
log.exception("_pull_segment_data failed {0}".format(instance))
return -2
finally:
connection.close()
log.info("program terminates normally")
return 0
def main():
"""
main entry point
"""
[work_dir, index_str, ] = sys.argv[1:]
index = int(index_str)
node_name = _node_names[index]
database_host = _node_database_hosts[index]
database_port = _node_database_ports[index]
database_password = _node_database_passwords[index]
log_path = "{0}/nimbusio_segment_puller_from_{1}_to_{2}.log".format(
os.environ["NIMBUSIO_LOG_DIR"], node_name, _local_node_name)
initialize_logging(log_path)
log = logging.getLogger("main")
log.info("program starts: work_dir={0}, index={1}, {2}".format(
work_dir, index, node_name))
try:
connection = get_node_connection(node_name,
database_password,
database_host,
database_port)
except Exception as instance:
log.exception("Unable to connect to database {0}".format(instance))
return -1
try:
_pull_segment_data(connection, work_dir, node_name)
_pull_damaged_segment_data(connection, work_dir, node_name)
except Exception as instance:
log.exception("_pull_segment_data failed {0}".format(instance))
return -2
finally:
connection.close()
log.info("program terminates normally")
return 0
