>From a quick search, seems MacOS doesn't have an entry for localhost in /etc/hosts. Try adding one and see if that works. If not, maybe add some for these hosts you're using as well.
https://stackoverflow.com/questions/39970606/gaierror-errno-8-nodename-nor-servname-provided-or-not-known-with-macos-sie On Thu, Mar 31, 2022 at 9:54 AM Kaushal Shriyan <kaushalshri...@gmail.com> wrote: > > > On Tue, Mar 29, 2022 at 11:45 PM Kaushal Shriyan <kaushalshri...@gmail.com> > wrote: > >> Hi, >> >> >>> cat fabfile.py >>> from fabric import task, Connection >> >> @task >>> def check_kernel_version(c): >>> password = 'dac@123' >>> connect_kwargs = {'password': password} >>> connection = Connection(host="192.168.0.188", user="root", >>> connect_kwargs=connect_kwargs) >>> result = connection.run('uname -a') >> >> @task >>> def check_os_version(c): >>> connect_kwargs={"key_filename": "/Users/kaushalshriyan/.ssh/id_rsa"} >>> for host in ('192.168.0.167', '192.168.0.79', '192.168.0.151'): >>> connection = Connection(host="host", user="root", >>> connect_kwargs=connect_kwargs) >>> result = connection.run('uname -a') >> >> >> >> $ fab2 check-kernel-version >> Linux hsbcobsstomcatbahrainms 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed Feb >> 23 16:47:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux >> Traceback (most recent call last): >> File "/Library/Frameworks/Python.framework/Versions/3.9/bin/fab2", line >> 8, in <module> >> sys.exit(program.run()) >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/invoke/program.py", >> line 384, in run >> self.execute() >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/invoke/program.py", >> line 566, in execute >> executor.execute(*self.tasks) >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/invoke/executor.py", >> line 129, in execute >> result = call.task(*args, **call.kwargs) >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/invoke/tasks.py", >> line 127, in __call__ >> result = self.body(*args, **kwargs) >> File "/Users/kaushalshriyan/fabfile.py", line 15, in check_os_version >> result = connection.run('uname -a') >> File "<decorator-gen-10>", line 2, in run >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/fabric/connection.py", >> line 29, in opens >> self.open() >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/fabric/connection.py", >> line 636, in open >> self.client.connect(**kwargs) >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/paramiko/client.py", >> line 340, in connect >> to_try = list(self._families_and_addresses(hostname, port)) >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/paramiko/client.py", >> line 203, in _families_and_addresses >> addrinfos = socket.getaddrinfo( >> File >> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/socket.py", >> line 953, in getaddrinfo >> for res in _socket.getaddrinfo(host, port, family, type, proto, >> flags): >> socket.gaierror: [Errno 8] nodename nor servname provided, or not known >> $ >> >> I have defined def check_kernel_version(c) in the fabile.py but when i >> >> $fab2 check_kernel_version >> No idea what 'check_kernel_version' is! >> >> $fab2 check-kernel-version >> Linux hsbcobsstomcatbahrainms 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed Feb >> 23 16:47:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux >> >> I am not sure how does it work? >> >> For $ fab2 check-os-version >> I am encountering socket.gaierror: [Errno 8] nodename nor servname >> provided, or not known >> >> Please guide. Thanks in advance. >> >> Best Regards, >> >> Kaushal >> >> > Hi, > > Checking in again if someone can help me for my earlier post to this > mailing list. Thanks in advance. > > Best Regards, > > Kaushal >
