Add rax_files_objects module for Rackspace Cloud Files support
This squashed commit fixed typos, changed to Py 2.4 compatible exceptions
This commit is contained in:
Paul Durivage
parent
600f7bcdf0
commit
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1 changed files with 447 additions and 0 deletions
447
cloud/rax_files_objects
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447
cloud/rax_files_objects
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#!/usr/bin/python -tt
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# (c) 2013, Paul Durivage <paul.durivage@rackspace.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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DOCUMENTATION = '''
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---
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module:
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short_description: create, fetch, and delete objects in Rackspace Cloud Files
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description:
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- Upload, download, and delete objects in Rackspace Cloud Files
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version_added: "1.5"
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options:
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requirements: [ "pyrax" ]
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author: Paul Durivage
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notes:
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- Something
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'''
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EXAMPLES = ''' '''
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import os
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try:
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import pyrax
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except ImportError, e:
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print("failed=True msg='pyrax is required for this module'")
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sys.exit(1)
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EXIT_DICT = {'success': False}
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META_PREFIX = 'x-object-meta-'
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def _get_container(module, cf, container):
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try:
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return cf.get_container(container)
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except pyrax.exc.NoSuchContainer, e:
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module.fail_json(msg=e.message)
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def upload(module, cf, container, src, dest, meta, expires):
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""" Uploads a single object or a folder to Cloud Files Optionally sets an
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metadata, TTL value (expires), or Content-Disposition and Content-Encoding
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headers.
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"""
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c = _get_container(module, cf, container)
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num_objs_before = len(c.get_object_names())
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if not src:
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module.fail_json(msg='src must be specified when uploading')
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src = os.path.abspath(os.path.expanduser(src))
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is_dir = os.path.isdir(src)
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if not is_dir and not os.path.isfile(src) or not os.path.exists(src):
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module.fail_json(msg='src must be a file or a directory')
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if dest and is_dir:
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module.fail_json(msg='dest cannot be set when whole '
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'directories are uploaded')
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cont_obj = None
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if dest and not is_dir:
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try:
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cont_obj = c.upload_file(src, obj_name=dest, ttl=expires)
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except Exception, e:
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module.fail_json(msg=e.message)
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elif is_dir:
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try:
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id, total_bytes = cf.upload_folder(src, container=c.name, ttl=expires)
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except Exception, e:
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module.fail_json(msg=e.message)
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while True:
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bytes = cf.get_uploaded(id)
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if bytes == total_bytes:
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break
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time.sleep(1)
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else:
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try:
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cont_obj = c.upload_file(src, ttl=expires)
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except Exception, e:
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module.fail_json(msg=e.message)
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num_objs_after = len(c.get_object_names())
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if not meta:
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meta = {}
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meta_result = {}
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if meta:
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if cont_obj:
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meta_result = cont_obj.set_metadata(meta)
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else:
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def _set_meta(objs, meta):
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""" Sets metadata on a list of objects specified by name """
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for obj in objs:
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try:
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result = c.get_object(obj).set_metadata(meta)
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except Exception, e:
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module.fail_json(msg=e.message)
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else:
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meta_result[obj] = result
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return meta_result
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def _walker(objs, path, filenames):
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""" Callback func for os.path.walk """
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prefix = ''
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if path != src:
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prefix = path.split(src)[-1].lstrip('/')
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filenames = [os.path.join(prefix, name) for name in filenames
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if not os.path.isdir(name)]
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objs += filenames
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_objs = []
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os.path.walk(src, _walker, _objs)
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meta_result = _set_meta(_objs, meta)
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EXIT_DICT['success'] = True
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EXIT_DICT['container'] = c.name
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EXIT_DICT['msg'] = "Uploaded %s to container: %s" % (src, c.name)
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if cont_obj or locals().get('bytes'):
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EXIT_DICT['changed'] = True
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if meta_result:
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EXIT_DICT['meta'] = {
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'updated': True
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}
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if cont_obj:
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EXIT_DICT['bytes'] = cont_obj.total_bytes
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EXIT_DICT['etag'] = cont_obj.etag
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else:
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EXIT_DICT['bytes'] = total_bytes
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module.exit_json(**EXIT_DICT)
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def download(module, cf, container, src, dest, structure):
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""" Download objects from Cloud Files to a local path specified by "dest".
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Optionally disable maintaining a directory structure by by passing a
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false value to "structure".
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"""
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# Looking for an explicit destination
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if not dest:
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module.fail_json(msg='dest is a required argument when '
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'downloading from Cloud Files')
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# Attempt to fetch the container by name
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c = _get_container(module, cf, container)
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# Accept a single object name or a comma-separated list of objs
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# If not specified, get the entire container
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if src:
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objs = src.split(',')
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objs = map(str.strip, objs)
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else:
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objs = c.get_object_names()
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dest = os.path.abspath(os.path.expanduser(dest))
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is_dir = os.path.isdir(dest)
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if not is_dir:
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module.fail_json(msg='dest must be a directory')
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results = []
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for obj in objs:
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try:
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c.download_object(obj, dest, structure=structure)
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except Exception, e:
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module.fail_json(msg=e.message)
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else:
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results.append(obj)
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len_results = len(results)
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len_objs = len(objs)
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EXIT_DICT['container'] = c.name
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EXIT_DICT['requested_downloaded'] = results
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if results:
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EXIT_DICT['changed'] = True
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if len_results == len_objs:
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EXIT_DICT['success'] = True
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EXIT_DICT['msg'] = "%s objects downloaded to %s" % (len_results, dest)
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else:
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EXIT_DICT['msg'] = "Error: only %s of %s objects were " \
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"downloaded" % (len_results, len_objs)
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module.exit_json(**EXIT_DICT)
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def delete(module, cf, container, src, dest):
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""" Delete specific objects by proving a single file name or a
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comma-separated list to src OR dest (but not both). Ommitting file name(s)
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assumes the entire container is to be deleted.
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"""
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objs = None
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if src and dest:
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module.fail_json(msg="Error: ambiguous instructions; files to be deleted "
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"have been specified on both src and dest args")
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elif dest:
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objs = dest
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else:
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objs = src
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c = _get_container(module, cf, container)
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if objs:
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objs = objs.split(',')
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objs = map(str.strip, objs)
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else:
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objs = c.get_object_names()
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num_objs = len(objs)
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results = []
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for obj in objs:
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try:
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result = c.delete_object(obj)
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except Exception, e:
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module.fail_json(msg=e.message)
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else:
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results.append(result)
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num_deleted = results.count(True)
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EXIT_DICT['container'] = c.name
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EXIT_DICT['deleted'] = num_deleted
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EXIT_DICT['requested_deleted'] = objs
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if num_deleted:
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EXIT_DICT['changed'] = True
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if num_objs == num_deleted:
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EXIT_DICT['success'] = True
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EXIT_DICT['msg'] = "%s objects deleted" % num_deleted
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else:
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EXIT_DICT['msg'] = ("Error: only %s of %s objects "
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"deleted" % (num_deleted, num_objs))
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module.exit_json(**EXIT_DICT)
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def get_meta(module, cf, container, src, dest):
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""" Get metadata for a single file, comma-separated list, or entire
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container
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"""
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c = _get_container(module, cf, container)
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objs = None
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if src and dest:
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module.fail_json(msg="Error: ambiguous instructions; files to be deleted "
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"have been specified on both src and dest args")
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elif dest:
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objs = dest
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else:
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objs = src
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if objs:
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objs = objs.split(',')
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objs = map(str.strip, objs)
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else:
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objs = c.get_object_names()
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results = {}
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for obj in objs:
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try:
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meta = c.get_object(obj).get_metadata()
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except Exception, e:
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module.fail_json(msg=e.message)
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else:
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results[obj] = {k.split(META_PREFIX)[-1]: v for k, v in meta.iteritems()}
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EXIT_DICT['container'] = c.name
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if results:
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EXIT_DICT['meta_results'] = results
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EXIT_DICT['success'] = True
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module.exit_json(**EXIT_DICT)
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def put_meta(module, cf, container, src, dest, meta, clear_meta):
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""" Set metadata on a container, single file, or comma-separated list.
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Passing a true value to clear_meta clears the metadata stored in Cloud
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Files before setting the new metadata to the value of "meta".
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"""
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objs = None
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if src and dest:
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module.fail_json(msg="Error: ambiguous instructions; files to set meta"
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" have been specified on both src and dest args")
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elif dest:
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objs = dest
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else:
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objs = src
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objs = objs.split(',')
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objs = map(str.strip, objs)
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c = _get_container(module, cf, container)
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results = []
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for obj in objs:
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try:
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result = c.get_object(obj).set_metadata(meta, clear=clear_meta)
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except Exception, e:
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module.fail_json(msg=e.message)
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else:
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results.append(result)
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EXIT_DICT['container'] = c.name
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EXIT_DICT['success'] = True
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if results:
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EXIT_DICT['changed'] = True
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EXIT_DICT['num_changed'] = True
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module.exit_json(**EXIT_DICT)
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def delete_meta(module, cf, container, src, dest, meta):
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""" Removes metadata keys and values specified in meta, if any. Deletes on
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all objects specified by src or dest (but not both), if any; otherwise it
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deletes keys on all objects in the container
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"""
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objs = None
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if src and dest:
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module.fail_json(msg="Error: ambiguous instructions; meta keys to be "
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"deleted have been specified on both src and dest"
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" args")
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elif dest:
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objs = dest
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else:
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objs = src
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objs = objs.split(',')
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objs = map(str.strip, objs)
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c = _get_container(module, cf, container)
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results = [] # Num of metadata keys removed, not objects affected
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for obj in objs:
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if meta:
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for k, v in meta.items():
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try:
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result = c.get_object(obj).remove_metadata_key(k)
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except Exception, e:
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module.fail_json(msg=e.message)
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else:
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results.append(result)
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else:
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try:
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o = c.get_object(obj)
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except pyrax.exc.NoSuchObject, e:
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module.fail_json(msg=e.message)
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for k, v in o.get_metadata().items():
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try:
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result = o.remove_metadata_key(k)
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except Exception, e:
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module.fail_json(msg=e.message)
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results.append(result)
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EXIT_DICT['container'] = c.name
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EXIT_DICT['success'] = True
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if results:
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EXIT_DICT['changed'] = True
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EXIT_DICT['num_deleted'] = len(results)
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module.exit_json(**EXIT_DICT)
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def cloudfiles(module, container, src, dest, method, typ, meta, clear_meta,
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structure, expires):
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""" Dispatch from here to work with metadata or file objects """
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cf = pyrax.cloudfiles
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if typ == "file":
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if method == 'put':
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upload(module, cf, container, src, dest, meta, expires)
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elif method == 'get':
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download(module, cf, container, src, dest, structure)
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elif method == 'delete':
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delete(module, cf, container, src, dest)
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else:
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if method == 'get':
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get_meta(module, cf, container, src, dest)
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if method == 'put':
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put_meta(module, cf, container, src, dest, meta, clear_meta)
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if method == 'delete':
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delete_meta(module, cf, container, src, dest, meta)
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def main():
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argument_spec = rax_argument_spec()
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argument_spec.update(
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dict(
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container=dict(required=True),
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src=dict(),
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dest=dict(),
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method=dict(default='get', choices=['put', 'get', 'delete']),
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type=dict(default='file', choices=['file', 'meta']),
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meta=dict(type='dict', default={}),
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clear_meta=dict(choices=BOOLEANS, default=False, type='bool'),
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structure=dict(choices=BOOLEANS, default=True, type='bool'),
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expires=dict(type='int'),
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)
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)
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module = AnsibleModule(
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argument_spec=argument_spec,
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required_together=rax_required_together()
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)
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container = module.params.get('container')
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src = module.params.get('src')
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dest = module.params.get('dest')
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method = module.params.get('method')
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typ = module.params.get('type')
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meta = module.params.get('meta')
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clear_meta = module.params.get('clear_meta')
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structure = module.params.get('structure')
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expires = module.params.get('expires')
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if clear_meta and not typ == 'meta':
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module.fail_json(msg='clear_meta can only be used when setting metadata')
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setup_rax_module(module, pyrax)
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cloudfiles(module, container, src, dest, method, typ, meta, clear_meta, structure, expires)
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from ansible.module_utils.basic import *
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from ansible.module_utils.rax import *
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main()
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