Add extend/shrink feature for glusterfs directory layout
- Implements extend/shrink feature for glusterfs directory layout backend - Update share_back_ends_feature_support_mapping.rst - Add a release note Depends-On: https://review.opendev.org/#/c/673771/ Change-Id: I37b315ec61e81e8ce6f4b72bc03e887cc145464d Implements: bp glusterfs-direcotry-layout-extend-shrink-share
This commit is contained in:
Woohyung Han
parent
0ebd368b44
commit
b917fabf14
@ -30,69 +30,69 @@ Column value "-" means that this feature is not currently supported.
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Mapping of share drivers and share features support
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---------------------------------------------------
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Driver name | create delete share | manage unmanage share | extend share | shrink share | create delete snapshot | create share from snapshot | manage unmanage snapshot | revert to snapshot | mountable snapshot |
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+========================================+=======================+=======================+==============+==============+========================+============================+==========================+====================+====================+
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| ZFSonLinux | M | N | M | M | M | M | N | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Container | N | \- | N | \- | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Generic (Cinder as back-end) | J | K | L | L | J | J | M | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| NetApp Clustered Data ONTAP | J | L | L | L | J | J | N | O | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| EMC VMAX | O | \- | O | \- | O | O | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| EMC VNX | J | \- | \- | \- | J | J | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| EMC Unity | N | \- | N | S | N | N | \- | S | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| EMC Isilon | K | \- | M | \- | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| GlusterFS | J | \- | \- | \- | volume layout (L) | volume layout (L) | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| GlusterFS-Native | J | \- | \- | \- | K | L | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| HDFS | K | \- | M | \- | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Hitachi HNAS | L | L | L | M | L | L | O | O | O |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Hitachi HSP | N | N | N | N | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| HPE 3PAR | K | \- | \- | \- | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Huawei | K | L | L | L | K | M | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| IBM GPFS | K | O | L | \- | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| INFINIDAT | Q | \- | Q | \- | Q | Q | \- | Q | Q |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| INSPUR AS13000 | R | \- | R | \- | R | R | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| INSPUR InStorage | T | \- | T | \- | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Infortrend | T | T | T | T | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| LVM | M | \- | M | \- | M | M | \- | O | O |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Quobyte | K | \- | M | M | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Windows SMB | L | L | L | L | L | L | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Oracle ZFSSA | K | N | M | M | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| CephFS | M | \- | M | M | M | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Tegile | M | \- | M | M | M | M | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| NexentaStor4 | N | \- | N | \- | N | N | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| NexentaStor5 | N | \- | N | N | N | N | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| MapRFS | O | O | O | O | O | O | O | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| QNAP | O | O | O | \- | O | O | O | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------+--------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Driver name | create delete share | manage unmanage share | extend share | shrink share | create delete snapshot | create share from snapshot | manage unmanage snapshot | revert to snapshot | mountable snapshot |
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+========================================+=======================+=======================+==========================+==========================+========================+============================+==========================+====================+====================+
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| ZFSonLinux | M | N | M | M | M | M | N | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Container | N | \- | N | \- | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Generic (Cinder as back-end) | J | K | L | L | J | J | M | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| NetApp Clustered Data ONTAP | J | L | L | L | J | J | N | O | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| EMC VMAX | O | \- | O | \- | O | O | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| EMC VNX | J | \- | \- | \- | J | J | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| EMC Unity | N | \- | N | S | N | N | \- | S | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| EMC Isilon | K | \- | M | \- | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| GlusterFS | J | \- | directory layout (T) | directory layout (T) | volume layout (L) | volume layout (L) | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| GlusterFS-Native | J | \- | \- | \- | K | L | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| HDFS | K | \- | M | \- | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Hitachi HNAS | L | L | L | M | L | L | O | O | O |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Hitachi HSP | N | N | N | N | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| HPE 3PAR | K | \- | \- | \- | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Huawei | K | L | L | L | K | M | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| IBM GPFS | K | O | L | \- | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| INFINIDAT | Q | \- | Q | \- | Q | Q | \- | Q | Q |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| INSPUR AS13000 | R | \- | R | \- | R | R | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| INSPUR InStorage | T | \- | T | \- | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Infortrend | T | T | T | T | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| LVM | M | \- | M | \- | M | M | \- | O | O |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Quobyte | K | \- | M | M | \- | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Windows SMB | L | L | L | L | L | L | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Oracle ZFSSA | K | N | M | M | K | K | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| CephFS | M | \- | M | M | M | \- | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| Tegile | M | \- | M | M | M | M | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| NexentaStor4 | N | \- | N | \- | N | N | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| NexentaStor5 | N | \- | N | N | N | N | \- | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| MapRFS | O | O | O | O | O | O | O | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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| QNAP | O | O | O | \- | O | O | O | \- | \- |
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+----------------------------------------+-----------------------+-----------------------+--------------------------+--------------------------+------------------------+----------------------------+--------------------------+--------------------+--------------------+
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Mapping of share drivers and share access rules support
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-------------------------------------------------------
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@ -15,16 +15,19 @@
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"""GlusterFS directory mapped share layout."""
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import math
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import os
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from oslo_config import cfg
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from oslo_log import log
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import six
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import xml.etree.cElementTree as etree
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from manila import exception
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from manila.i18n import _
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from manila.share.drivers.glusterfs import common
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from manila.share.drivers.glusterfs import layout
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from manila import utils
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LOG = log.getLogger(__name__)
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@ -137,16 +140,12 @@ class GlusterfsDirectoryMappedLayout(layout.GlusterfsShareLayoutBase):
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"""Create a sub-directory/share in the GlusterFS volume."""
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# probe into getting a NAS protocol helper for the share in order
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# to facilitate early detection of unsupported protocol type
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sizestr = six.text_type(share['size']) + 'GB'
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share_dir = '/' + share['name']
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local_share_path = self._get_local_share_path(share)
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cmd = ['mkdir', local_share_path]
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# set hard limit quota on the sub-directory/share
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args = ('volume', 'quota', self.gluster_manager.volume,
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'limit-usage', share_dir, sizestr)
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try:
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self.driver._execute(*cmd, run_as_root=True)
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self.gluster_manager.gluster_call(*args)
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self._set_directory_quota(share, share['size'])
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except Exception as exc:
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if isinstance(exc, exception.ProcessExecutionError):
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exc = exception.GlusterfsException(exc)
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@ -205,7 +204,46 @@ class GlusterfsDirectoryMappedLayout(layout.GlusterfsShareLayoutBase):
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raise NotImplementedError
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def extend_share(self, share, new_size, share_server=None):
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raise NotImplementedError
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"""Extend a sub-directory/share in the GlusterFS volume."""
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self._set_directory_quota(share, new_size)
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def shrink_share(self, share, new_size, share_server=None):
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raise NotImplementedError
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"""Shrink a sub-directory/share in the GlusterFS volume."""
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usage = self._get_directory_usage(share)
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consumed_limit = int(math.ceil(usage))
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if consumed_limit > new_size:
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raise exception.ShareShrinkingPossibleDataLoss(
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share_id=share['id'])
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self._set_directory_quota(share, new_size)
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def _set_directory_quota(self, share, new_size):
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sizestr = six.text_type(new_size) + 'GB'
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share_dir = '/' + share['name']
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args = ('volume', 'quota', self.gluster_manager.volume,
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'limit-usage', share_dir, sizestr)
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try:
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self.gluster_manager.gluster_call(*args)
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except exception.GlusterfsException:
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LOG.error('Unable to set quota share %s', share['name'])
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raise
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def _get_directory_usage(self, share):
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share_dir = '/' + share['name']
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args = ('--xml', 'volume', 'quota', self.gluster_manager.volume,
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'list', share_dir)
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try:
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out, err = self.gluster_manager.gluster_call(*args)
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except exception.GlusterfsException:
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LOG.error('Unable to get quota share %s', share['name'])
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raise
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volxml = etree.fromstring(out)
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usage_byte = volxml.find('./volQuota/limit/used_space').text
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usage = utils.translate_string_size_to_float(usage_byte)
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return usage
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@ -378,15 +378,91 @@ class GlusterfsDirectoryMappedLayoutTestCase(test.TestCase):
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def test_ensure_share(self):
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self.assertIsNone(self._layout.ensure_share(self._context, self.share))
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def test_extend_share(self):
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self._layout.extend_share(self.share, 3)
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self._layout.gluster_manager.gluster_call.assert_called_once_with(
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'volume', 'quota', 'testvol', 'limit-usage', '/fakename', '3GB')
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def test_shrink_share(self):
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self.mock_object(self._layout, '_get_directory_usage',
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mock.Mock(return_value=10.0))
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self._layout.shrink_share(self.share, 11)
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self._layout.gluster_manager.gluster_call.assert_called_once_with(
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'volume', 'quota', 'testvol', 'limit-usage', '/fakename', '11GB')
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def test_shrink_share_data_loss(self):
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self.mock_object(self._layout, '_get_directory_usage',
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mock.Mock(return_value=10.0))
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shrink_on_gluster = self.mock_object(self._layout,
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'_set_directory_quota')
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self.assertRaises(exception.ShareShrinkingPossibleDataLoss,
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self._layout.shrink_share, self.share, 9)
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shrink_on_gluster.assert_not_called()
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def test_set_directory_quota(self):
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self._layout._set_directory_quota(self.share, 3)
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self._layout.gluster_manager.gluster_call.assert_called_once_with(
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'volume', 'quota', 'testvol', 'limit-usage', '/fakename', '3GB')
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def test_set_directory_quota_unable_to_set(self):
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self.mock_object(self._layout.gluster_manager, 'gluster_call',
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mock.Mock(side_effect=exception.GlusterfsException))
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self.assertRaises(exception.GlusterfsException,
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self._layout._set_directory_quota, self.share, 3)
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self._layout.gluster_manager.gluster_call.assert_called_once_with(
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'volume', 'quota', 'testvol', 'limit-usage', '/fakename', '3GB')
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def test_get_directory_usage(self):
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def xml_output(*ignore_args, **ignore_kwargs):
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return """<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<cliOutput>
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<opRet>0</opRet>
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<opErrno>0</opErrno>
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<opErrstr/>
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<volQuota>
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<limit>
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<used_space>10737418240</used_space>
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</limit>
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</volQuota>
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</cliOutput>""", ''
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self.mock_object(self._layout.gluster_manager, 'gluster_call',
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mock.Mock(side_effect=xml_output))
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ret = self._layout._get_directory_usage(self.share)
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self.assertEqual(10.0, ret)
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share_dir = '/' + self.share['name']
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self._layout.gluster_manager.gluster_call.assert_called_once_with(
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'--xml', 'volume', 'quota', self._layout.gluster_manager.volume,
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'list', share_dir)
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def test_get_directory_usage_unable_to_get(self):
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self.mock_object(self._layout.gluster_manager, 'gluster_call',
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mock.Mock(side_effect=exception.GlusterfsException))
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self.assertRaises(exception.GlusterfsException,
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self._layout._get_directory_usage, self.share)
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share_dir = '/' + self.share['name']
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self._layout.gluster_manager.gluster_call.assert_called_once_with(
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'--xml', 'volume', 'quota', self._layout.gluster_manager.volume,
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'list', share_dir)
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@ddt.data(
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('create_share_from_snapshot', ('context', 'share', 'snapshot'),
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{'share_server': None}),
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('create_snapshot', ('context', 'snapshot'), {'share_server': None}),
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('delete_snapshot', ('context', 'snapshot'), {'share_server': None}),
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('manage_existing', ('share', 'driver_options'), {}),
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('unmanage', ('share',), {}),
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('extend_share', ('share', 'new_size'), {'share_server': None}),
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('shrink_share', ('share', 'new_size'), {'share_server': None}))
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('unmanage', ('share',), {}))
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def test_nonimplemented_methods(self, method_invocation):
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method, args, kwargs = method_invocation
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self.assertRaises(NotImplementedError, getattr(self._layout, method),
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@ -0,0 +1,3 @@
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---
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features:
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- For glusterfs_nfs driver, added share extend/shrink support.
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