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#!/usr/bin/env python |
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|
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# Copyright 2011 GRNET S.A. All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or |
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# without modification, are permitted provided that the following |
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# conditions are met: |
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# |
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# 1. Redistributions of source code must retain the above |
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# copyright notice, this list of conditions and the following |
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# disclaimer. |
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# |
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# 2. Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following |
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# disclaimer in the documentation and/or other materials |
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# provided with the distribution. |
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# |
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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# POSSIBILITY OF SUCH DAMAGE. |
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# |
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# The views and conclusions contained in the software and |
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# documentation are those of the authors and should not be |
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# interpreted as representing official policies, either expressed |
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# or implied, of GRNET S.A. |
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|
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from getpass import getuser |
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from optparse import OptionParser |
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from os.path import basename |
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from sys import argv, exit, stdin, stdout |
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from pithos.lib.client import Client, Fault |
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from datetime import datetime |
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|
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import json |
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import logging |
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import types |
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import re |
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import time as _time |
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|
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DEFAULT_HOST = 'pithos.dev.grnet.gr' |
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DEFAULT_API = 'v1' |
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|
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_cli_commands = {} |
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|
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def cli_command(*args): |
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def decorator(cls): |
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cls.commands = args |
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for name in args: |
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_cli_commands[name] = cls |
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return cls |
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return decorator |
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|
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def class_for_cli_command(name): |
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return _cli_commands[name] |
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|
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class Command(object): |
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def __init__(self, argv): |
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parser = OptionParser() |
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parser.add_option('--host', dest='host', metavar='HOST', |
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default=DEFAULT_HOST, help='use server HOST') |
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parser.add_option('--user', dest='user', metavar='USERNAME', |
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default=getuser(), help='use account USERNAME') |
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parser.add_option('--api', dest='api', metavar='API', |
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default=DEFAULT_API, help='use api API') |
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parser.add_option('-v', action='store_true', dest='verbose', |
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default=False, help='use verbose output') |
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parser.add_option('-d', action='store_true', dest='debug', |
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default=False, help='use debug output') |
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self.add_options(parser) |
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options, args = parser.parse_args(argv) |
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|
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# Add options to self |
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for opt in parser.option_list: |
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key = opt.dest |
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if key: |
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val = getattr(options, key) |
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setattr(self, key, val) |
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|
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self.client = Client(self.host, self.user, self.api, self.verbose, |
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self.debug) |
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|
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self.parser = parser |
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self.args = args |
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|
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def add_options(self, parser): |
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pass |
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|
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def execute(self, *args): |
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pass |
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|
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@cli_command('list', 'ls') |
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class List(Command): |
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syntax = '[<container>[/<object>]]' |
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description = 'list containers or objects' |
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|
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def add_options(self, parser): |
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parser.add_option('-l', action='store_true', dest='detail', |
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default=False, help='show detailed output') |
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parser.add_option('-n', action='store', type='int', dest='limit', |
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default=1000, help='show limited output') |
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parser.add_option('--marker', action='store', type='str', |
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dest='marker', default=None, |
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help='show output greater then marker') |
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parser.add_option('--prefix', action='store', type='str', |
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dest='prefix', default=None, |
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help='show output starting with prefix') |
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parser.add_option('--delimiter', action='store', type='str', |
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dest='delimiter', default=None, |
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help='show output up to the delimiter') |
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parser.add_option('--path', action='store', type='str', |
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dest='path', default=None, |
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help='show output starting with prefix up to /') |
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parser.add_option('--meta', action='store', type='str', |
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dest='meta', default=None, |
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help='show output having the specified meta keys') |
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parser.add_option('--if-modified-since', action='store', type='str', |
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dest='if_modified_since', default=None, |
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help='show output if modified since then') |
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parser.add_option('--if-unmodified-since', action='store', type='str', |
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dest='if_unmodified_since', default=None, |
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help='show output if not modified since then') |
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parser.add_option('--until', action='store', dest='until', |
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default=False, help='show metadata until that date') |
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parser.add_option('--format', action='store', dest='format', |
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default='%d/%m/%Y', help='format to parse until date') |
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|
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def execute(self, container=None): |
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if container: |
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self.list_objects(container) |
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else: |
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self.list_containers() |
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|
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def list_containers(self): |
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params = {'limit':self.limit, 'marker':self.marker} |
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headers = {'IF_MODIFIED_SINCE':self.if_modified_since, |
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'IF_UNMODIFIED_SINCE':self.if_unmodified_since} |
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|
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if self.until: |
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t = _time.strptime(self.until, self.format) |
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params['until'] = int(_time.mktime(t)) |
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|
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l = self.client.list_containers(self.detail, params, headers) |
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print_list(l) |
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|
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def list_objects(self, container): |
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params = {'limit':self.limit, 'marker':self.marker, |
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'prefix':self.prefix, 'delimiter':self.delimiter, |
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'path':self.path, 'meta':self.meta} |
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headers = {'IF_MODIFIED_SINCE':self.if_modified_since, |
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'IF_UNMODIFIED_SINCE':self.if_unmodified_since} |
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container, sep, object = container.partition('/') |
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if object: |
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return |
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|
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if self.until: |
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t = _time.strptime(self.until, self.format) |
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params['until'] = int(_time.mktime(t)) |
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|
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detail = 'json' |
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l = self.client.list_objects(container, detail, params, headers) |
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print_list(l, detail=self.detail) |
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|
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@cli_command('meta') |
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class Meta(Command): |
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syntax = '[<container>[/<object>]]' |
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description = 'get the metadata of an account, a container or an object' |
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|
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def add_options(self, parser): |
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parser.add_option('-r', action='store_true', dest='restricted', |
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default=False, help='show only user defined metadata') |
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parser.add_option('--until', action='store', dest='until', |
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default=False, help='show metadata until that date') |
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parser.add_option('--format', action='store', dest='format', |
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default='%d/%m/%Y', help='format to parse until date') |
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parser.add_option('--version', action='store', dest='version', |
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default=None, help='show specific version \ |
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(applies only for objects)') |
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|
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def execute(self, path=''): |
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container, sep, object = path.partition('/') |
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if self.until: |
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t = _time.strptime(self.until, self.format) |
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self.until = int(_time.mktime(t)) |
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if object: |
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meta = self.client.retrieve_object_metadata(container, object, |
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self.restricted, |
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self.version) |
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elif container: |
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meta = self.client.retrieve_container_metadata(container, |
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self.restricted, |
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self.until) |
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else: |
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meta = self.client.account_metadata(self.restricted, self.until) |
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if meta == None: |
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print 'Entity does not exist' |
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else: |
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print_dict(meta, header=None) |
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|
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@cli_command('create') |
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class CreateContainer(Command): |
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syntax = '<container> [key=val] [...]' |
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description = 'create a container' |
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|
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def execute(self, container, *args): |
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headers = {} |
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for arg in args: |
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key, sep, val = arg.partition('=') |
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headers['X_CONTAINER_META_%s' %key.strip().upper()] = val.strip() |
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ret = self.client.create_container(container, headers) |
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if not ret: |
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print 'Container already exists' |
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|
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@cli_command('delete', 'rm') |
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class Delete(Command): |
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syntax = '<container>[/<object>]' |
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description = 'delete a container or an object' |
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|
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def execute(self, path): |
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container, sep, object = path.partition('/') |
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if object: |
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self.client.delete_object(container, object) |
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else: |
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self.client.delete_container(container) |
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|
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@cli_command('get') |
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class GetObject(Command): |
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syntax = '<container>/<object>' |
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description = 'get the data of an object' |
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|
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def add_options(self, parser): |
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parser.add_option('-l', action='store_true', dest='detail', |
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default=False, help='show detailed output') |
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parser.add_option('--range', action='store', dest='range', |
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default=None, help='show range of data') |
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parser.add_option('--if-match', action='store', dest='if-match', |
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default=None, help='show output if ETags match') |
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parser.add_option('--if-none-match', action='store', |
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dest='if-none-match', default=None, |
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help='show output if ETags don\'t match') |
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parser.add_option('--if-modified-since', action='store', type='str', |
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dest='if-modified-since', default=None, |
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help='show output if modified since then') |
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parser.add_option('--if-unmodified-since', action='store', type='str', |
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dest='if-unmodified-since', default=None, |
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help='show output if not modified since then') |
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parser.add_option('-f', action='store', type='str', |
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dest='file', default=None, |
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help='save output in file') |
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parser.add_option('--version', action='store', type='str', |
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dest='version', default=None, |
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help='get the specific \ |
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version') |
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parser.add_option('--versionlist', action='store_true', |
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dest='versionlist', default=False, |
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help='get the full object version list') |
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|
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def execute(self, path): |
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headers = {} |
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if self.range: |
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headers['RANGE'] = 'bytes=%s' %self.range |
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attrs = ['if-match', 'if-none-match', 'if-modified-since', |
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'if-unmodified-since'] |
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attrs = [a for a in attrs if getattr(self, a)] |
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for a in attrs: |
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headers[a.replace('-', '_').upper()] = getattr(self, a) |
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container, sep, object = path.partition('/') |
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if self.versionlist: |
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self.version = 'list' |
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self.detail = True |
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data = self.client.retrieve_object(container, object, self.detail, |
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headers, self.version) |
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f = self.file and open(self.file, 'w') or stdout |
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if self.detail: |
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data = json.loads(data) |
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if self.versionlist: |
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print_versions(data, f=f) |
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else: |
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print_dict(data, f=f) |
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else: |
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f.write(data) |
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f.close() |
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|
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@cli_command('mkdir') |
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class PutMarker(Command): |
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syntax = '<container>/<directory marker>' |
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description = 'create a directory marker' |
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|
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def execute(self, path): |
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container, sep, object = path.partition('/') |
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self.client.create_directory_marker(container, object) |
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|
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@cli_command('put') |
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class PutObject(Command): |
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syntax = '<container>/<object> <path> [key=val] [...]' |
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description = 'create/override object with path contents or standard input' |
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|
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def add_options(self, parser): |
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parser.add_option('--chunked', action='store_true', dest='chunked', |
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default=False, help='set chunked transfer mode') |
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parser.add_option('--etag', action='store', dest='etag', |
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default=None, help='check written data') |
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parser.add_option('--content-encoding', action='store', |
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dest='content-encoding', default=None, |
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help='provide the object MIME content type') |
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parser.add_option('--content-disposition', action='store', type='str', |
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dest='content-disposition', default=None, |
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help='provide the presentation style of the object') |
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parser.add_option('-S', action='store', |
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dest='segment-size', default=False, |
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help='use for large file support') |
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parser.add_option('--manifest', action='store_true', |
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dest='manifest', default=None, |
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help='upload a manifestation file') |
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parser.add_option('--type', action='store', |
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dest='content-type', default=False, |
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help='create object with specific content type') |
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parser.add_option('--touch', action='store_true', |
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dest='touch', default=False, |
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help='create object with zero data') |
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parser.add_option('--sharing', action='store', |
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dest='sharing', default=None, |
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help='define sharing object policy') |
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|
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def execute(self, path, srcpath='-', *args): |
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headers = {} |
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if self.manifest: |
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headers['X_OBJECT_MANIFEST'] = self.manifest |
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if self.sharing: |
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headers['X_OBJECT_SHARING'] = self.sharing |
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|
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attrs = ['etag', 'content-encoding', 'content-disposition', |
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'content-type'] |
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attrs = [a for a in attrs if getattr(self, a)] |
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for a in attrs: |
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headers[a.replace('-', '_').upper()] = getattr(self, a) |
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|
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#prepare user defined meta |
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for arg in args: |
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key, sep, val = arg.partition('=') |
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headers['X_OBJECT_META_%s' %key.strip().upper()] = val.strip() |
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|
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container, sep, object = path.partition('/') |
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|
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f = None |
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chunked = False |
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if not self.touch: |
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f = srcpath != '-' and open(srcpath) or stdin |
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chunked = (self.chunked or f == stdin) and True or False |
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self.client.create_object(container, object, f, chunked=chunked, |
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headers=headers) |
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if f: |
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f.close() |
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|
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@cli_command('copy', 'cp') |
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class CopyObject(Command): |
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syntax = '<src container>/<src object> [<dst container>/]<dst object>' |
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description = 'copies an object to a different location' |
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|
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def add_options(self, parser): |
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parser.add_option('--version', action='store', |
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dest='version', default=False, |
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help='copy specific version') |
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|
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def execute(self, src, dst): |
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src_container, sep, src_object = src.partition('/') |
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dst_container, sep, dst_object = dst.partition('/') |
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if not sep: |
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dst_container = src_container |
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dst_object = dst |
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version = getattr(self, 'version') |
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if version: |
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headers = {} |
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headers['X_SOURCE_VERSION'] = version |
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self.client.copy_object(src_container, src_object, dst_container, |
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dst_object, headers) |
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|
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@cli_command('set') |
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class SetMeta(Command): |
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syntax = '[<container>[/<object>]] key=val [key=val] [...]' |
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description = 'set metadata' |
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|
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def execute(self, path, *args): |
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#in case of account fix the args |
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if path.find('=') != -1: |
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args = list(args) |
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args.append(path) |
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args = tuple(args) |
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path = '' |
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meta = {} |
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for arg in args: |
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key, sep, val = arg.partition('=') |
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meta[key.strip()] = val.strip() |
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container, sep, object = path.partition('/') |
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if object: |
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self.client.update_object_metadata(container, object, **meta) |
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elif container: |
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self.client.update_container_metadata(container, **meta) |
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else: |
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self.client.update_account_metadata(**meta) |
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|
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@cli_command('update') |
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class UpdateObject(Command): |
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syntax = '<container>/<object> path [key=val] [...]' |
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description = 'update object metadata/data (default mode: append)' |
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|
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def add_options(self, parser): |
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parser.add_option('-a', action='store_true', dest='append', |
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default=True, help='append data') |
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parser.add_option('--start', action='store', |
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dest='start', |
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default=None, help='range of data to be updated') |
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parser.add_option('--range', action='store', dest='content-range', |
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default=None, help='range of data to be updated') |
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parser.add_option('--chunked', action='store_true', dest='chunked', |
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default=False, help='set chunked transfer mode') |
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parser.add_option('--content-encoding', action='store', |
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dest='content-encoding', default=None, |
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help='provide the object MIME content type') |
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parser.add_option('--content-disposition', action='store', type='str', |
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dest='content-disposition', default=None, |
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help='provide the presentation style of the object') |
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parser.add_option('--manifest', action='store', type='str', |
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dest='manifest', default=None, |
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help='use for large file support') |
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parser.add_option('--sharing', action='store', |
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dest='sharing', default=None, |
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help='define sharing object policy') |
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|
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|
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def execute(self, path, srcpath='-', *args): |
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headers = {} |
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if self.manifest: |
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headers['X_OBJECT_MANIFEST'] = self.manifest |
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if self.sharing: |
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headers['X_OBJECT_SHARING'] = self.sharing |
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|
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if getattr(self, 'start'): |
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headers['CONTENT_RANGE'] = 'bytes %s-/*' % getattr(self, 'start') |
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elif self.append: |
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headers['CONTENT_RANGE'] = 'bytes */*' |
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|
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attrs = ['content-encoding', 'content-disposition'] |
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attrs = [a for a in attrs if getattr(self, a)] |
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for a in attrs: |
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headers[a.replace('-', '_').upper()] = getattr(self, a) |
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|
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#prepare user defined meta |
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for arg in args: |
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key, sep, val = arg.partition('=') |
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headers['X_OBJECT_META_%s' %key.strip().upper()] = val.strip() |
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|
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container, sep, object = path.partition('/') |
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|
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f = srcpath != '-' and open(srcpath) or stdin |
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chunked = (self.chunked or f == stdin) and True or False |
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self.client.update_object(container, object, f, chunked=chunked, |
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headers=headers) |
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f.close() |
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|
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@cli_command('move', 'mv') |
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class MoveObject(Command): |
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syntax = '<src container>/<src object> [<dst container>/]<dst object>' |
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description = 'moves an object to a different location' |
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|
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def execute(self, src, dst): |
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src_container, sep, src_object = src.partition('/') |
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dst_container, sep, dst_object = dst.partition('/') |
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if not sep: |
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dst_container = src_container |
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dst_object = dst |
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|
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self.client.move_object(src_container, src_object, dst_container, |
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dst_object, headers) |
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|
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@cli_command('remove', 'rm') |
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class TrashObject(Command): |
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syntax = '<container>/<object>' |
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description = 'trashes an object' |
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|
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def execute(self, src): |
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src_container, sep, src_object = src.partition('/') |
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|
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self.client.trash_object(src_container, src_object) |
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|
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@cli_command('restore') |
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class TrashObject(Command): |
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syntax = '<container>/<object>' |
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description = 'trashes an object' |
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|
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def execute(self, src): |
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src_container, sep, src_object = src.partition('/') |
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|
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self.client.restore_object(src_container, src_object) |
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|
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@cli_command('unset') |
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class TrashObject(Command): |
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syntax = '<container>/[<object>] key [key] [...]' |
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description = 'deletes metadata info' |
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|
509 |
def execute(self, path, *args): |
510 |
#in case of account fix the args |
511 |
if len(args) == 0: |
512 |
args = list(args) |
513 |
args.append(path) |
514 |
args = tuple(args) |
515 |
path = '' |
516 |
meta = [] |
517 |
for key in args: |
518 |
meta.append(key) |
519 |
container, sep, object = path.partition('/') |
520 |
if object: |
521 |
self.client.delete_object_metadata(container, object, meta) |
522 |
elif container: |
523 |
self.client.delete_container_metadata(container, meta) |
524 |
else: |
525 |
self.client.delete_account_metadata(meta) |
526 |
|
527 |
@cli_command('group') |
528 |
class SetGroup(Command): |
529 |
syntax = 'key=val [key=val] [...]' |
530 |
description = 'sets group account info' |
531 |
|
532 |
def execute(self, path='', **args): |
533 |
if len(args) == 0: |
534 |
args = list(args) |
535 |
args.append(path) |
536 |
args = tuple(args) |
537 |
path = '' |
538 |
groups = {} |
539 |
for arg in args: |
540 |
key, sep, val = arg.partition('=') |
541 |
groups[key] = val |
542 |
self.client.set_account_groups(groups) |
543 |
|
544 |
def print_usage(): |
545 |
cmd = Command([]) |
546 |
parser = cmd.parser |
547 |
parser.usage = '%prog <command> [options]' |
548 |
parser.print_help() |
549 |
|
550 |
commands = [] |
551 |
for cls in set(_cli_commands.values()): |
552 |
name = ', '.join(cls.commands) |
553 |
description = getattr(cls, 'description', '') |
554 |
commands.append(' %s %s' % (name.ljust(12), description)) |
555 |
print '\nCommands:\n' + '\n'.join(sorted(commands)) |
556 |
|
557 |
def print_dict(d, header='name', f=stdout, detail=True): |
558 |
header = header in d and header or 'subdir' |
559 |
if header and header in d: |
560 |
f.write('%s\n' %d.pop(header)) |
561 |
if detail: |
562 |
patterns = ['^x_(account|container|object)_meta_(\w+)$'] |
563 |
patterns.append(patterns[0].replace('_', '-')) |
564 |
for key, val in sorted(d.items()): |
565 |
for p in patterns: |
566 |
p = re.compile(p) |
567 |
m = p.match(key) |
568 |
if m: |
569 |
key = m.group(2) |
570 |
f.write('%s: %s\n' % (key.rjust(30), val)) |
571 |
|
572 |
def print_list(l, verbose=False, f=stdout, detail=True): |
573 |
for elem in l: |
574 |
#if it's empty string continue |
575 |
if not elem: |
576 |
continue |
577 |
if type(elem) == types.DictionaryType: |
578 |
print_dict(elem, f=f, detail=detail) |
579 |
elif type(elem) == types.StringType: |
580 |
if not verbose: |
581 |
elem = elem.split('Traceback')[0] |
582 |
f.write('%s\n' % elem) |
583 |
else: |
584 |
f.write('%s\n' % elem) |
585 |
|
586 |
def print_versions(data, f=stdout): |
587 |
if 'versions' not in data: |
588 |
f.write('%s\n' %data) |
589 |
return |
590 |
f.write('versions:\n') |
591 |
for id, t in data['versions']: |
592 |
f.write('%s @ %s\n' % (str(id).rjust(30), datetime.fromtimestamp(t))) |
593 |
|
594 |
def main(): |
595 |
try: |
596 |
name = argv[1] |
597 |
cls = class_for_cli_command(name) |
598 |
except (IndexError, KeyError): |
599 |
print_usage() |
600 |
exit(1) |
601 |
|
602 |
cmd = cls(argv[2:]) |
603 |
|
604 |
try: |
605 |
cmd.execute(*cmd.args) |
606 |
except TypeError, e: |
607 |
cmd.parser.usage = '%%prog %s [options] %s' % (name, cmd.syntax) |
608 |
cmd.parser.print_help() |
609 |
exit(1) |
610 |
except Fault, f: |
611 |
status = f.status and '%s ' % f.status or '' |
612 |
print '%s%s' % (status, f.data) |
613 |
|
614 |
if __name__ == '__main__': |
615 |
main() |