165 lines
6 KiB
Python
165 lines
6 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (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 os
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import shutil
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import time
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DOCUMENTATION = '''
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---
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module: copy
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short_description: Copies files to remote locations.
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description:
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- The M(copy) module copies a file on the local box to remote locations.
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options:
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src:
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description:
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- Local path to a file to copy to the remote server; can be absolute or relative.
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required: false
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default: null
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aliases: []
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content:
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version_added: "1.1"
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description:
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- When used instead of 'src', sets the contents of a file directly to the specified value.
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required: false
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default: null
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dest:
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description:
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- Remote absolute path where the file should be copied to.
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required: true
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default: null
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backup:
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description:
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- Create a backup file including the timestamp information so you can get
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the original file back if you somehow clobbered it incorrectly.
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version_added: "0.7"
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required: false
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choices: [ "yes", "no" ]
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default: "no"
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force:
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description:
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- the default is C(yes), which will replace the remote file when contents
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are different than the source. If C(no), the file will only be transferred
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if the destination does not exist.
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version_added: "1.1"
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required: false
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choices: [ "yes", "no" ]
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default: "yes"
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aliases: [ "thirsty" ]
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others:
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others:
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description:
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- all arguments accepted by the M(file) module also work here
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required: false
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examples:
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- code: "copy: src=/srv/myfiles/foo.conf dest=/etc/foo.conf owner=foo group=foo mode=0644"
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description: "Example from Ansible Playbooks"
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- code: "copy: src=/mine/ntp.conf dest=/etc/ntp.conf owner=root group=root mode=644 backup=yes"
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description: "Copy a new C(ntp.conf) file into place, backing up the original if it differs from the copied version"
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author: Michael DeHaan
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notes:
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- The "copy" module can't be used to recursively copy directory structures to the target machine. Please see the
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"Delegation" section of the Advanced Playbooks documentation for a better approach to recursive copies.
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'''
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def main():
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module = AnsibleModule(
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# not checking because of daisy chain to file module
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argument_spec = dict(
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src = dict(required=False),
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original_basename = dict(required=False), # used to handle 'dest is a directory' via template, a slight hack
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content = dict(required=False),
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dest = dict(required=True),
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backup = dict(default=False, type='bool'),
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force = dict(default=True, aliases=['thirsty'], type='bool'),
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),
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add_file_common_args=True,
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)
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src = os.path.expanduser(module.params['src'])
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dest = os.path.expanduser(module.params['dest'])
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backup = module.params['backup']
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force = module.params['force']
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original_basename = module.params.get('original_basename',None)
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if not os.path.exists(src):
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module.fail_json(msg="Source %s failed to transfer" % (src))
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if not os.access(src, os.R_OK):
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module.fail_json(msg="Source %s not readable" % (src))
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md5sum_src = module.md5(src)
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md5sum_dest = None
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if os.path.exists(dest):
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if not force:
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module.exit_json(msg="file already exists", src=src, dest=dest, changed=False)
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if (os.path.isdir(dest)):
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basename = os.path.basename(src)
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if original_basename:
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basename = original_basename
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dest = os.path.join(dest, basename)
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if os.access(dest, os.R_OK):
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md5sum_dest = module.md5(dest)
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else:
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if not os.path.exists(os.path.dirname(dest)):
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module.fail_json(msg="Destination directory %s does not exist" % (os.path.dirname(dest)))
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if not os.access(os.path.dirname(dest), os.W_OK):
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module.fail_json(msg="Destination %s not writable" % (os.path.dirname(dest)))
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backup_file = None
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if md5sum_src != md5sum_dest or os.path.islink(dest):
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try:
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if backup:
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if os.path.exists(dest):
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backup_file = module.backup_local(dest)
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# allow for conversion from symlink.
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if os.path.islink(dest):
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os.unlink(dest)
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open(dest, 'w').close()
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# TODO:pid + epoch should avoid most collisions, hostname/mac for those using nfs?
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# might be an issue with exceeding path length
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dest_tmp = "%s.%s.%s.tmp" % (dest,os.getpid(),time.time())
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shutil.copyfile(src, dest_tmp)
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module.atomic_replace(dest_tmp, dest)
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except shutil.Error:
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module.fail_json(msg="failed to copy: %s and %s are the same" % (src, dest))
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except IOError:
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module.fail_json(msg="failed to copy: %s to %s" % (src, dest))
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changed = True
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else:
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changed = False
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res_args = dict(
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dest = dest, src = src, md5sum = md5sum_src, changed = changed
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)
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if backup_file:
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res_args['backup_file'] = backup_file
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module.params['dest'] = dest
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file_args = module.load_file_common_arguments(module.params)
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res_args['changed'] = module.set_file_attributes_if_different(file_args, res_args['changed'])
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module.exit_json(**res_args)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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