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64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import os
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from ansible import errors
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from ansible import __version__
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import ansible.constants as C
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def path_dwim(basedir, given):
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'''
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make relative paths work like folks expect.
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'''
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if given.startswith("/"):
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return os.path.abspath(given)
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elif given.startswith("~"):
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return os.path.abspath(os.path.expanduser(given))
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else:
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return os.path.abspath(os.path.join(basedir, given))
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def path_dwim_relative(original, dirname, source, playbook_base, check=True):
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''' find one file in a directory one level up in a dir named dirname relative to current '''
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# (used by roles code)
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basedir = os.path.dirname(original)
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if os.path.islink(basedir):
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basedir = unfrackpath(basedir)
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template2 = os.path.join(basedir, dirname, source)
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else:
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template2 = os.path.join(basedir, '..', dirname, source)
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source2 = path_dwim(basedir, template2)
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if os.path.exists(source2):
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return source2
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obvious_local_path = path_dwim(playbook_base, source)
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if os.path.exists(obvious_local_path):
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return obvious_local_path
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if check:
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raise errors.AnsibleError("input file not found at %s or %s" % (source2, obvious_local_path))
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return source2 # which does not exist
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def unfrackpath(path):
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'''
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returns a path that is free of symlinks, environment
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variables, relative path traversals and symbols (~)
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example:
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'$HOME/../../var/mail' becomes '/var/spool/mail'
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'''
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return os.path.normpath(os.path.realpath(os.path.expandvars(os.path.expanduser(path))))
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