78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
# Copyright (c) 2019 Red Hat, Inc.
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#
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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import subprocess
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import six
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from tobiko.shell.ssh import _config
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def ssh_login(hostname, username=None, port=None):
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login = hostname
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if port:
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login += ':' + str(port)
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if username:
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login = username + '@' + login
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return login
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def ssh_command(host, username=None, port=None, command=None,
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config_files=None, host_config=None, proxy_command=None,
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key_filename=None, **options):
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host_config = host_config or _config.ssh_host_config(
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host=host, config_files=config_files)
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command = command or host_config.default.command.split()
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if isinstance(command, six.string_types):
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command = command.split()
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hostname = host_config.hostname
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username = username or host_config.username
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command += [ssh_login(hostname=hostname, username=username)]
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# if host_config.default.debug:
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# command += ['-vvvvvv']
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port = port or host_config.port
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if port:
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command += ['-p', str(port)]
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if key_filename:
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command += ['-i', key_filename]
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if proxy_command:
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if not isinstance(proxy_command, six.string_types):
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proxy_command = subprocess.list2cmdline([str(a)
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for a in proxy_command])
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options['ProxyCommand'] = proxy_command
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for name, value in host_config.host_config.items():
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if name not in {'hostname', 'port', 'user'}:
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options.setdefault(name, value)
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options.setdefault('UserKnownHostsFile', '/dev/null')
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options.setdefault('StrictHostKeyChecking', 'no')
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options.setdefault('LogLevel', 'quiet')
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options.setdefault('ConnectTimeout', int(host_config.timeout))
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options.setdefault('ConnectionAttempts', host_config.connection_attempts)
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if options:
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for name, value in sorted(options.items()):
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name = name.replace('_', '')
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command += ['-o', '{!s}={!s}'.format(name, value)]
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return command
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