249 lines
9.6 KiB
Python
249 lines
9.6 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 time
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DOCUMENTATION = '''
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---
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module: copy
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version_added: "historical"
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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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If path is a directory, it is copied recursively. In this case, if path ends
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with "/", only inside contents of that directory are copied to destination.
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Otherwise, if it does not end with "/", the directory itself with all contents
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is copied. This behavior is similar to Rsync.
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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. If src is a directory,
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this must be a directory too.
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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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validate:
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description:
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- The validation command to run before copying into place. The path to the file to
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validate is passed in via '%s' which must be present as in the visudo example below.
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The command is passed securely so shell features like expansion and pipes won't work.
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required: false
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default: ""
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version_added: "1.2"
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directory_mode:
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description:
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- When doing a recursive copy set the mode for the directories. If this is not set we will default the system
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defaults.
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required: false
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version_added: "1.5"
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recurse:
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description:
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- Copy all contents in the source directory recursively. This will be slightly inefficient compared to the 'synchronize'
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module and should not be used for large directory trees.
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required: false
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default: false
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extends_documentation_fragment: files
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author: Michael DeHaan
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notes:
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- The "copy" module recursively copy facility does not scale to lots (>hundreds) of files.
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For alternative, see synchronize module, which is a wrapper around rsync.
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'''
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EXAMPLES = '''
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# Example from Ansible Playbooks
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- copy: src=/srv/myfiles/foo.conf dest=/etc/foo.conf owner=foo group=foo mode=0644
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# Copy a new "ntp.conf file into place, backing up the original if it differs from the copied version
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- copy: src=/mine/ntp.conf dest=/etc/ntp.conf owner=root group=root mode=644 backup=yes
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# Copy a new "sudoers" file into place, after passing validation with visudo
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- copy: src=/mine/sudoers dest=/etc/sudoers validate='visudo -cf %s'
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'''
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def split_pre_existing_dir(dirname):
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'''
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Return the first pre-existing directory and a list of the new directories that will be created.
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'''
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head, tail = os.path.split(dirname)
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if not os.path.exists(head):
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(pre_existing_dir, new_directory_list) = split_pre_existing_dir(head)
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else:
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return (head, [ tail ])
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new_directory_list.append(tail)
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return (pre_existing_dir, new_directory_list)
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def adjust_recursive_directory_permissions(pre_existing_dir, new_directory_list, module, directory_args, changed):
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'''
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Walk the new directories list and make sure that permissions are as we would expect
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'''
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if len(new_directory_list) > 0:
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working_dir = os.path.join(pre_existing_dir, new_directory_list.pop(0))
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directory_args['path'] = working_dir
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changed = module.set_fs_attributes_if_different(directory_args, changed)
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changed = adjust_recursive_directory_permissions(working_dir, new_directory_list, module, directory_args, changed)
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return changed
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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, no_log=True),
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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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validate = dict(required=False, type='str'),
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directory_mode = dict(required=False)
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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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validate = module.params.get('validate',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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changed = False
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# Special handling for recursive copy - create intermediate dirs
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if original_basename and dest.endswith("/"):
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dest = os.path.join(dest, original_basename)
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dirname = os.path.dirname(dest)
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if not os.path.exists(dirname):
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(pre_existing_dir, new_directory_list) = split_pre_existing_dir(dirname)
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os.makedirs(dirname)
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directory_args = module.load_file_common_arguments(module.params)
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directory_mode = module.params["directory_mode"]
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if directory_mode is not None:
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directory_args['mode'] = directory_mode
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else:
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directory_args['mode'] = None
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adjust_recursive_directory_permissions(pre_existing_dir, new_directory_list, module, directory_args, changed)
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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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try:
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# os.path.exists() can return false in some
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# circumstances where the directory does not have
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# the execute bit for the current user set, in
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# which case the stat() call will raise an OSError
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os.stat(os.path.dirname(dest))
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except OSError, e:
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if "permission denied" in str(e).lower():
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module.fail_json(msg="Destination directory %s is not accessible" % (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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if validate:
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if "%s" not in validate:
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module.fail_json(msg="validate must contain %%s: %s" % (validate))
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(rc,out,err) = module.run_command(validate % src)
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if rc != 0:
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module.fail_json(msg="failed to validate: rc:%s error:%s" % (rc,err))
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module.atomic_move(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_fs_attributes_if_different(file_args, res_args['changed'])
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module.exit_json(**res_args)
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# import module snippets
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from ansible.module_utils.basic import *
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main()
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