banshee
commented
4 years ago This seems to have fixed it (found on https://stackoverflow.com/questions/54861026/how-to-silence-ellipticcurvepublicnumbers-encode-point-cryptographydeprecationwa?noredirect=1&lq=1)
(I have no idea if this is a good idea or not; I know almost nothing about the python ecosystem, other than it's mostly a giant hairball of pain and suffering.)
james@gig:~/workspace/awsemrlocaldocker$ pip3 install --upgrade paramiko Requirement already up-to-date: paramiko in /home/james/.local/lib/python3.7/site-packages (2.7.1) Requirement already satisfied, skipping upgrade: pynacl>=1.0.1 in /usr/lib/python3/dist-packages (from paramiko) (1.3.0) Requirement already satisfied, skipping upgrade: bcrypt>=3.1.3 in /home/james/.local/lib/python3.7/site-packages (from paramiko) (3.1.7) Collecting cryptography>=2.5 (from paramiko) Downloading https://files.pythonhosted.org/packages/dc/5e/e1e6991a841a9e88eb848634026199fa92665ae792ee6362a0cfa0ece3dc/cryptography-2.9-cp35-abi3-manylinux1_x86_64.whl (2.7MB) 100% |████████████████████████████████| 2.7MB 742kB/s Requirement already satisfied, skipping upgrade: cffi>=1.1 in /home/james/.local/lib/python3.7/site-packages (from bcrypt>=3.1.3->paramiko) (1.14.0) Requirement already satisfied, skipping upgrade: six>=1.4.1 in /usr/lib/python3/dist-packages (from bcrypt>=3.1.3->paramiko) (1.12.0) Requirement already satisfied, skipping upgrade: pycparser in /home/james/.local/lib/python3.7/site-packages (from cffi>=1.1->bcrypt>=3.1.3->paramiko) (2.20) Installing collected packages: cryptography Successfully installed cryptography-2.9
nchammas
Flintrock version: james@gig:~/workspace/awsemrlocaldocker$ flintrock --version flintrock, version 1.0.0
Python version: james@gig:~/workspace/awsemrlocaldocker$ /usr/bin/python3 --version Python 3.7.3
OS: Distributor ID: Ubuntu Description: Ubuntu 19.04 Release: 19.04 Codename: disco
Launch a cluster, say yes to Do you want to terminate the 3 instances created by this operation? [Y/n]: y
Get this error:
james@gig:~/workspace/awsemrlocaldocker$ flintrock launch teststuff Warning: Downloading Spark from an Apache mirror. Apache mirrors are often slow and unreliable, and typically only serve the most recent releases. We strongly recommend you specify a custom download source. For more background on this issue, please see: https://github.com/nchammas/flintrock/issues/238 Requesting 3 spot instances at a max price of $0.007... 0 of 3 instances granted. Waiting... All 3 instances granted. Do you want to terminate the 3 instances created by this operation? [Y/n]: y Terminating instances... Traceback (most recent call last): File "/home/james/.local/bin/flintrock", line 10, in
sys.exit(main())
File "/home/james/.local/lib/python3.7/site-packages/flintrock/flintrock.py", line 1187, in main
cli(obj={})
File "/home/james/.local/lib/python3.7/site-packages/click/core.py", line 764, in call
return self.main(args, kwargs)
File "/home/james/.local/lib/python3.7/site-packages/click/core.py", line 717, in main
rv = self.invoke(ctx)
File "/home/james/.local/lib/python3.7/site-packages/click/core.py", line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/james/.local/lib/python3.7/site-packages/click/core.py", line 956, in invoke
return ctx.invoke(self.callback, ctx.params)
File "/home/james/.local/lib/python3.7/site-packages/click/core.py", line 555, in invoke
return callback(args, kwargs)
File "/home/james/.local/lib/python3.7/site-packages/click/decorators.py", line 17, in new_func
return f(get_current_context(), *args, *kwargs)
File "/home/james/.local/lib/python3.7/site-packages/flintrock/flintrock.py", line 456, in launch
tags=ec2_tags)
File "/home/james/.local/lib/python3.7/site-packages/flintrock/ec2.py", line 53, in wrapper
res = func(args, kwargs)
File "/home/james/.local/lib/python3.7/site-packages/flintrock/ec2.py", line 955, in launch
identity_file=identity_file)
File "/home/james/.local/lib/python3.7/site-packages/flintrock/core.py", line 625, in provision_cluster
run_against_hosts(partial_func=partial_func, hosts=hosts)
File "/home/james/.local/lib/python3.7/site-packages/flintrock/core.py", line 492, in run_against_hosts
future.result()
File "/usr/lib/python3.7/concurrent/futures/_base.py", line 432, in result
return self.get_result()
File "/usr/lib/python3.7/concurrent/futures/_base.py", line 384, in get_result
raise self._exception
File "/usr/lib/python3.7/concurrent/futures/thread.py", line 57, in run
result = self.fn(*self.args, **self.kwargs)
File "/home/james/.local/lib/python3.7/site-packages/flintrock/core.py", line 675, in provision_node
wait=True)
File "/home/james/.local/lib/python3.7/site-packages/flintrock/ssh.py", line 66, in get_ssh_client
client.load_system_host_keys()
File "/home/james/.local/lib/python3.7/site-packages/paramiko/client.py", line 104, in load_system_host_keys
self._system_host_keys.load(filename)
File "/home/james/.local/lib/python3.7/site-packages/paramiko/hostkeys.py", line 101, in load
e = HostKeyEntry.from_line(line, lineno)
File "/home/james/.local/lib/python3.7/site-packages/paramiko/hostkeys.py", line 364, in from_line
key = ECDSAKey(data=decodebytes(key), validate_point=False)
File "/home/james/.local/lib/python3.7/site-packages/paramiko/ecdsakey.py", line 163, in init
key = ec.EllipticCurvePublicKey.from_encoded_point(
AttributeError: type object 'EllipticCurvePublicKey' has no attribute 'from_encoded_point'