77e239042f
- Those are not very important and we don't better with retry since we are syncronizing the rest after when it will be lest busy on the second pass.
136 lines
5.2 KiB
Python
136 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
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#
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# Author: Chmouel Boudjnah <chmouel@enovance.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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import eventlet
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import swiftclient
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import swsync.objects
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import swsync.utils
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class Containers(object):
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"""Containers sync."""
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def __init__(self):
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self.max_gthreads = int(swsync.utils.get_config("sync",
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"max_gthreads"))
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self.sync_object = swsync.objects.sync_object
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self.delete_object = swsync.objects.delete_object
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def delete_container(self, dest_storage_cnx, dest_token,
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orig_containers,
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dest_containers):
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set1 = set((x['name']) for x in orig_containers)
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set2 = set((x['name']) for x in dest_containers)
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delete_diff = set2 - set1
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pool = eventlet.GreenPool(size=self.max_gthreads)
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pile = eventlet.GreenPile(pool)
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for container in delete_diff:
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try:
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dest_container_stats, dest_objects = swiftclient.get_container(
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None, dest_token, container, http_conn=dest_storage_cnx,
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)
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except(swiftclient.client.ClientException), e:
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logging.info("error getting container: %s, %s" % (
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container, e.http_reason))
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continue
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for obj in dest_objects:
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logging.info("deleting obj: %s ts:%s", obj['name'],
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obj['last_modified'])
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pile.spawn(self.delete_object,
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dest_storage_cnx,
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dest_token,
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container,
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obj['name'])
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pool.waitall()
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logging.info("deleting container: %s", container)
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pile.spawn(swiftclient.delete_container,
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'', dest_token, container, http_conn=dest_storage_cnx)
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pool.waitall()
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def sync(self, orig_storage_cnx, orig_storage_url,
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orig_token, dest_storage_cnx, dest_storage_url, dest_token,
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container_name):
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try:
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orig_container_stats, orig_objects = swiftclient.get_container(
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None, orig_token, container_name, http_conn=orig_storage_cnx,
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)
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except(swiftclient.client.ClientException), e:
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logging.info("ERROR: getting container: %s, %s" % (
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container_name, e.http_reason))
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return
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try:
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swiftclient.head_container(
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"", dest_token, container_name, http_conn=dest_storage_cnx
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)
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except(swiftclient.client.ClientException), e:
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container_headers = orig_container_stats.copy()
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for h in ('x-container-object-count', 'x-trans-id',
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'x-container-bytes-used'):
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del container_headers[h]
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p = dest_storage_cnx[0]
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url = "%s://%s%s" % (p.scheme, p.netloc, p.path)
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try:
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swiftclient.put_container(url,
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dest_token, container_name,
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headers=container_headers)
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except(swiftclient.client.ClientException), e:
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logging.info("ERROR: creating container: %s, %s" % (
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container_name, e.http_reason))
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return
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try:
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dest_container_stats, dest_objects = swiftclient.get_container(
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None, dest_token, container_name, http_conn=dest_storage_cnx,
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)
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except(swiftclient.client.ClientException), e:
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logging.info("ERROR: creating container: %s, %s" % (
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container_name, e.http_reason))
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return
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set1 = set((x['last_modified'], x['name']) for x in orig_objects)
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set2 = set((x['last_modified'], x['name']) for x in dest_objects)
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diff = set1 - set2
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delete_diff = set2 - set1
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if not diff and not delete_diff:
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return
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pool = eventlet.GreenPool(size=self.max_gthreads)
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pile = eventlet.GreenPile(pool)
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for obj in diff:
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logging.info("sending: %s ts:%s", obj[1], obj[0])
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pile.spawn(self.sync_object,
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orig_storage_url,
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orig_token,
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dest_storage_url,
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dest_token, container_name,
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obj)
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for obj in delete_diff:
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logging.info("deleting: %s ts:%s", obj[1], obj[0])
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pile.spawn(self.delete_object,
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dest_storage_cnx,
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dest_token,
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container_name,
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obj[1])
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pool.waitall()
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