mirror of https://github.com/hpcaitech/ColossalAI
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
3.1 KiB
124 lines
3.1 KiB
import socket
|
|
|
|
|
|
class HostInfo:
|
|
"""
|
|
A data class to store host connection-related data.
|
|
|
|
Args:
|
|
hostname (str): name or IP address of the host
|
|
port (str): the port for ssh connection
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
hostname: str,
|
|
port: str = None,
|
|
):
|
|
self.hostname = hostname
|
|
self.port = port
|
|
self.is_local_host = HostInfo.is_host_localhost(hostname, port)
|
|
|
|
@staticmethod
|
|
def is_host_localhost(hostname: str, port: str = None) -> None:
|
|
"""
|
|
Check if the host refers to the local machine.
|
|
|
|
Args:
|
|
hostname (str): name or IP address of the host
|
|
port (str): the port for ssh connection
|
|
|
|
Returns:
|
|
bool: True if it is local, False otherwise
|
|
"""
|
|
|
|
if port is None:
|
|
port = 22 # no port specified, lets just use the ssh port
|
|
|
|
# socket.getfqdn("127.0.0.1") does not return localhost
|
|
# on some users' machines
|
|
# thus, we directly return True if hostname is localhost, 127.0.0.1 or 0.0.0.0
|
|
if hostname in ("localhost", "127.0.0.1", "0.0.0.0"):
|
|
return True
|
|
|
|
hostname = socket.getfqdn(hostname)
|
|
localhost = socket.gethostname()
|
|
localaddrs = socket.getaddrinfo(localhost, port)
|
|
targetaddrs = socket.getaddrinfo(hostname, port)
|
|
|
|
return localaddrs == targetaddrs
|
|
|
|
def __str__(self):
|
|
return f"hostname: {self.hostname}, port: {self.port}"
|
|
|
|
def __repr__(self):
|
|
return self.__str__()
|
|
|
|
|
|
class HostInfoList:
|
|
"""
|
|
A data class to store a list of HostInfo objects.
|
|
"""
|
|
|
|
def __init__(self):
|
|
self.hostinfo_list = []
|
|
|
|
def append(self, hostinfo: HostInfo) -> None:
|
|
"""
|
|
Add an HostInfo object to the list.
|
|
|
|
Args:
|
|
hostinfo (HostInfo): host information
|
|
"""
|
|
|
|
self.hostinfo_list.append(hostinfo)
|
|
|
|
def remove(self, hostname: str) -> None:
|
|
"""
|
|
Add an HostInfo object to the list.
|
|
|
|
Args:
|
|
hostname (str): the name of the host
|
|
"""
|
|
|
|
hostinfo = self.get_hostinfo(hostname)
|
|
self.hostinfo_list.remove(hostinfo)
|
|
|
|
def get_hostinfo(self, hostname: str) -> HostInfo:
|
|
"""
|
|
Return the HostInfo object which matches with the hostname.
|
|
|
|
Args:
|
|
hostname (str): the name of the host
|
|
|
|
Returns:
|
|
hostinfo (HostInfo): the HostInfo object which matches with the hostname
|
|
"""
|
|
|
|
for hostinfo in self.hostinfo_list:
|
|
if hostinfo.hostname == hostname:
|
|
return hostinfo
|
|
|
|
raise Exception(f"Hostname {hostname} is not found")
|
|
|
|
def has(self, hostname: str) -> bool:
|
|
"""
|
|
Check if the hostname has been added.
|
|
|
|
Args:
|
|
hostname (str): the name of the host
|
|
|
|
Returns:
|
|
bool: True if added, False otherwise
|
|
"""
|
|
for hostinfo in self.hostinfo_list:
|
|
if hostinfo.hostname == hostname:
|
|
return True
|
|
return False
|
|
|
|
def __iter__(self):
|
|
return iter(self.hostinfo_list)
|
|
|
|
def __len__(self):
|
|
return len(self.hostinfo_list)
|