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src_rockstor_storageadmin_views_snapshot.html
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<!doctype html PUBLIC "-//W3C//DTD html 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv='Content-Type' content='text/html; charset=utf-8'>
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<title>Coverage for src/rockstor/storageadmin/views/snapshot: 0%</title>
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<h1>Coverage for <b>src/rockstor/storageadmin/views/snapshot</b> :
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<p id='t1' class='pln'><span class='str'>"""</span><span class='strut'> </span></p>
<p id='t2' class='pln'><span class='str'>Copyright (c) 2012-2017 RockStor, Inc. <http://rockstor.com></span><span class='strut'> </span></p>
<p id='t3' class='pln'><span class='str'>This file is part of RockStor.</span><span class='strut'> </span></p>
<p id='t4' class='pln'><span class='strut'> </span></p>
<p id='t5' class='pln'><span class='str'>RockStor is free software; you can redistribute it and/or modify</span><span class='strut'> </span></p>
<p id='t6' class='pln'><span class='str'>it under the terms of the GNU General Public License as published</span><span class='strut'> </span></p>
<p id='t7' class='pln'><span class='str'>by the Free Software Foundation; either version 2 of the License,</span><span class='strut'> </span></p>
<p id='t8' class='pln'><span class='str'>or (at your option) any later version.</span><span class='strut'> </span></p>
<p id='t9' class='pln'><span class='strut'> </span></p>
<p id='t10' class='pln'><span class='str'>RockStor is distributed in the hope that it will be useful, but</span><span class='strut'> </span></p>
<p id='t11' class='pln'><span class='str'>WITHOUT ANY WARRANTY; without even the implied warranty of</span><span class='strut'> </span></p>
<p id='t12' class='pln'><span class='str'>MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span><span class='strut'> </span></p>
<p id='t13' class='pln'><span class='str'>General Public License for more details.</span><span class='strut'> </span></p>
<p id='t14' class='pln'><span class='strut'> </span></p>
<p id='t15' class='pln'><span class='str'>You should have received a copy of the GNU General Public License</span><span class='strut'> </span></p>
<p id='t16' class='pln'><span class='str'>along with this program. If not, see <http://www.gnu.org/licenses/>.</span><span class='strut'> </span></p>
<p id='t17' class='pln'><span class='str'>"""</span><span class='strut'> </span></p>
<p id='t18' class='pln'><span class='strut'> </span></p>
<p id='t19' class='stm mis'><span class='key'>from</span> <span class='nam'>rest_framework</span><span class='op'>.</span><span class='nam'>response</span> <span class='key'>import</span> <span class='nam'>Response</span><span class='strut'> </span></p>
<p id='t20' class='stm mis'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>db</span> <span class='key'>import</span> <span class='nam'>transaction</span><span class='strut'> </span></p>
<p id='t21' class='stm mis'><span class='key'>from</span> <span class='nam'>django</span><span class='op'>.</span><span class='nam'>conf</span> <span class='key'>import</span> <span class='nam'>settings</span><span class='strut'> </span></p>
<p id='t22' class='stm mis'><span class='key'>from</span> <span class='nam'>storageadmin</span><span class='op'>.</span><span class='nam'>models</span> <span class='key'>import</span> <span class='op'>(</span><span class='nam'>Snapshot</span><span class='op'>,</span> <span class='nam'>Share</span><span class='op'>,</span> <span class='nam'>NFSExport</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t23' class='pln'> <span class='nam'>NFSExportGroup</span><span class='op'>,</span> <span class='nam'>AdvancedNFSExport</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t24' class='stm mis'><span class='key'>from</span> <span class='nam'>fs</span><span class='op'>.</span><span class='nam'>btrfs</span> <span class='key'>import</span> <span class='op'>(</span><span class='nam'>add_snap</span><span class='op'>,</span> <span class='nam'>share_id</span><span class='op'>,</span> <span class='nam'>volume_usage</span><span class='op'>,</span> <span class='nam'>remove_snap</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t25' class='pln'> <span class='nam'>umount_root</span><span class='op'>,</span> <span class='nam'>mount_snap</span><span class='op'>,</span> <span class='nam'>qgroup_assign</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t26' class='stm mis'><span class='key'>from</span> <span class='nam'>system</span><span class='op'>.</span><span class='nam'>osi</span> <span class='key'>import</span> <span class='nam'>refresh_nfs_exports</span><span class='strut'> </span></p>
<p id='t27' class='stm mis'><span class='key'>from</span> <span class='nam'>storageadmin</span><span class='op'>.</span><span class='nam'>serializers</span> <span class='key'>import</span> <span class='nam'>SnapshotSerializer</span><span class='strut'> </span></p>
<p id='t28' class='stm mis'><span class='key'>from</span> <span class='nam'>storageadmin</span><span class='op'>.</span><span class='nam'>util</span> <span class='key'>import</span> <span class='nam'>handle_exception</span><span class='strut'> </span></p>
<p id='t29' class='stm mis'><span class='key'>import</span> <span class='nam'>rest_framework_custom</span> <span class='key'>as</span> <span class='nam'>rfc</span><span class='strut'> </span></p>
<p id='t30' class='stm mis'><span class='key'>from</span> <span class='nam'>share_helpers</span> <span class='key'>import</span> <span class='nam'>toggle_sftp_visibility</span><span class='strut'> </span></p>
<p id='t31' class='stm mis'><span class='key'>from</span> <span class='nam'>clone_helpers</span> <span class='key'>import</span> <span class='nam'>create_clone</span><span class='op'>,</span> <span class='nam'>create_repclone</span><span class='strut'> </span></p>
<p id='t32' class='stm mis'><span class='key'>from</span> <span class='nam'>nfs_exports</span> <span class='key'>import</span> <span class='nam'>NFSExportMixin</span><span class='strut'> </span></p>
<p id='t33' class='pln'><span class='strut'> </span></p>
<p id='t34' class='stm mis'><span class='key'>import</span> <span class='nam'>logging</span><span class='strut'> </span></p>
<p id='t35' class='stm mis'><span class='nam'>logger</span> <span class='op'>=</span> <span class='nam'>logging</span><span class='op'>.</span><span class='nam'>getLogger</span><span class='op'>(</span><span class='nam'>__name__</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t36' class='pln'><span class='strut'> </span></p>
<p id='t37' class='pln'><span class='strut'> </span></p>
<p id='t38' class='stm mis'><span class='key'>class</span> <span class='nam'>SnapshotView</span><span class='op'>(</span><span class='nam'>NFSExportMixin</span><span class='op'>,</span> <span class='nam'>rfc</span><span class='op'>.</span><span class='nam'>GenericView</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t39' class='stm mis'> <span class='nam'>serializer_class</span> <span class='op'>=</span> <span class='nam'>SnapshotSerializer</span><span class='strut'> </span></p>
<p id='t40' class='pln'><span class='strut'> </span></p>
<p id='t41' class='stm mis'> <span class='key'>def</span> <span class='nam'>get_queryset</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='op'>*</span><span class='nam'>args</span><span class='op'>,</span> <span class='op'>**</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t42' class='stm mis'> <span class='key'>with</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_handle_exception</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>request</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t43' class='stm mis'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t44' class='stm mis'> <span class='nam'>share</span> <span class='op'>=</span> <span class='nam'>Share</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>id</span><span class='op'>=</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>kwargs</span><span class='op'>[</span><span class='str'>'sid'</span><span class='op'>]</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t45' class='stm mis'> <span class='key'>except</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t46' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='str'>'sid'</span> <span class='key'>not</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t47' class='stm mis'> <span class='key'>return</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>filter</span><span class='op'>(</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>order_by</span><span class='op'>(</span><span class='str'>'-id'</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t48' class='pln'><span class='strut'> </span></p>
<p id='t49' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'Share with id: {} does not exist'</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>(</span><span class='strut'> </span></p>
<p id='t50' class='pln'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>kwargs</span><span class='op'>[</span><span class='str'>'sid'</span><span class='op'>]</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t51' class='stm mis'> <span class='nam'>handle_exception</span><span class='op'>(</span><span class='nam'>Exception</span><span class='op'>(</span><span class='nam'>e_msg</span><span class='op'>)</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t52' class='pln'><span class='strut'> </span></p>
<p id='t53' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='str'>'snap_name'</span> <span class='key'>in</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>kwargs</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t54' class='stm mis'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>paginate_by</span> <span class='op'>=</span> <span class='num'>0</span><span class='strut'> </span></p>
<p id='t55' class='stm mis'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t56' class='stm mis'> <span class='key'>return</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t57' class='pln'> <span class='nam'>name</span><span class='op'>=</span><span class='nam'>self</span><span class='op'>.</span><span class='nam'>kwargs</span><span class='op'>[</span><span class='str'>'snap_name'</span><span class='op'>]</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t58' class='stm mis'> <span class='key'>except</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t59' class='stm mis'> <span class='key'>return</span> <span class='op'>[</span><span class='op'>]</span><span class='strut'> </span></p>
<p id='t60' class='pln'><span class='strut'> </span></p>
<p id='t61' class='stm mis'> <span class='nam'>snap_type</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>request</span><span class='op'>.</span><span class='nam'>query_params</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='str'>'snap_type'</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t62' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>snap_type</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span> <span class='key'>and</span> <span class='nam'>snap_type</span> <span class='op'>!=</span> <span class='str'>''</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t63' class='stm mis'> <span class='key'>return</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>filter</span><span class='op'>(</span><span class='strut'> </span></p>
<p id='t64' class='pln'> <span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>snap_type</span><span class='op'>=</span><span class='nam'>snap_type</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>order_by</span><span class='op'>(</span><span class='str'>'-id'</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t65' class='pln'><span class='strut'> </span></p>
<p id='t66' class='stm mis'> <span class='key'>return</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>filter</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>order_by</span><span class='op'>(</span><span class='str'>'-id'</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t67' class='pln'><span class='strut'> </span></p>
<p id='t68' class='stm mis'> <span class='op'>@</span><span class='nam'>transaction</span><span class='op'>.</span><span class='nam'>atomic</span><span class='strut'> </span></p>
<p id='t69' class='stm mis'> <span class='key'>def</span> <span class='nam'>_toggle_visibility</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>share</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>on</span><span class='op'>=</span><span class='nam'>True</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t70' class='stm mis'> <span class='nam'>cur_exports</span> <span class='op'>=</span> <span class='nam'>list</span><span class='op'>(</span><span class='nam'>NFSExport</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>all</span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t71' class='stm mis'> <span class='nam'>snap_mnt_pt</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'%s%s/.%s'</span> <span class='op'>%</span> <span class='op'>(</span><span class='nam'>settings</span><span class='op'>.</span><span class='nam'>MNT_PT</span><span class='op'>,</span> <span class='nam'>share</span><span class='op'>.</span><span class='nam'>name</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t72' class='stm mis'> <span class='nam'>export_pt</span> <span class='op'>=</span> <span class='nam'>snap_mnt_pt</span><span class='op'>.</span><span class='nam'>replace</span><span class='op'>(</span><span class='nam'>settings</span><span class='op'>.</span><span class='nam'>MNT_PT</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t73' class='pln'> <span class='nam'>settings</span><span class='op'>.</span><span class='nam'>NFS_EXPORT_ROOT</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t74' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>on</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t75' class='stm mis'> <span class='nam'>mount_snap</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t76' class='pln'><span class='strut'> </span></p>
<p id='t77' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>NFSExport</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>filter</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>exists</span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t78' class='stm mis'> <span class='nam'>se</span> <span class='op'>=</span> <span class='nam'>NFSExport</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>filter</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>)</span><span class='op'>[</span><span class='num'>0</span><span class='op'>]</span><span class='strut'> </span></p>
<p id='t79' class='stm mis'> <span class='nam'>export_group</span> <span class='op'>=</span> <span class='nam'>NFSExportGroup</span><span class='op'>(</span><span class='strut'> </span></p>
<p id='t80' class='pln'> <span class='nam'>host_str</span><span class='op'>=</span><span class='nam'>se</span><span class='op'>.</span><span class='nam'>export_group</span><span class='op'>.</span><span class='nam'>host_str</span><span class='op'>,</span> <span class='nam'>nohide</span><span class='op'>=</span><span class='nam'>True</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t81' class='stm mis'> <span class='nam'>export_group</span><span class='op'>.</span><span class='nam'>save</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t82' class='stm mis'> <span class='nam'>export</span> <span class='op'>=</span> <span class='nam'>NFSExport</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>export_group</span><span class='op'>=</span><span class='nam'>export_group</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t83' class='pln'> <span class='nam'>mount</span><span class='op'>=</span><span class='nam'>export_pt</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t84' class='stm mis'> <span class='nam'>export</span><span class='op'>.</span><span class='nam'>full_clean</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t85' class='stm mis'> <span class='nam'>export</span><span class='op'>.</span><span class='nam'>save</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t86' class='stm mis'> <span class='nam'>cur_exports</span><span class='op'>.</span><span class='nam'>append</span><span class='op'>(</span><span class='nam'>export</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t87' class='pln'> <span class='key'>else</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t88' class='stm mis'> <span class='key'>for</span> <span class='nam'>mnt</span> <span class='key'>in</span> <span class='op'>(</span><span class='nam'>snap_mnt_pt</span><span class='op'>,</span> <span class='nam'>export_pt</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t89' class='stm mis'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t90' class='stm mis'> <span class='nam'>export</span> <span class='op'>=</span> <span class='nam'>NFSExport</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>mount</span><span class='op'>=</span><span class='nam'>mnt</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t91' class='stm mis'> <span class='nam'>cur_exports</span><span class='op'>.</span><span class='nam'>remove</span><span class='op'>(</span><span class='nam'>export</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t92' class='stm mis'> <span class='nam'>export</span><span class='op'>.</span><span class='nam'>export_group</span><span class='op'>.</span><span class='nam'>delete</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t93' class='stm mis'> <span class='nam'>export</span><span class='op'>.</span><span class='nam'>delete</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t94' class='stm mis'> <span class='key'>except</span> <span class='nam'>NFSExport</span><span class='op'>.</span><span class='nam'>DoesNotExist</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t95' class='stm mis'> <span class='key'>pass</span><span class='strut'> </span></p>
<p id='t96' class='stm mis'> <span class='key'>except</span> <span class='nam'>Exception</span> <span class='key'>as</span> <span class='nam'>e</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t97' class='stm mis'> <span class='nam'>logger</span><span class='op'>.</span><span class='nam'>exception</span><span class='op'>(</span><span class='nam'>e</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t98' class='pln'> <span class='key'>finally</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t99' class='stm mis'> <span class='nam'>umount_root</span><span class='op'>(</span><span class='nam'>export_pt</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t100' class='stm mis'> <span class='nam'>umount_root</span><span class='op'>(</span><span class='nam'>snap_mnt_pt</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t101' class='stm mis'> <span class='nam'>exports</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>create_nfs_export_input</span><span class='op'>(</span><span class='nam'>cur_exports</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t102' class='stm mis'> <span class='nam'>adv_entries</span> <span class='op'>=</span> <span class='op'>[</span><span class='nam'>x</span><span class='op'>.</span><span class='nam'>export_str</span> <span class='key'>for</span> <span class='nam'>x</span> <span class='key'>in</span> <span class='nam'>AdvancedNFSExport</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>all</span><span class='op'>(</span><span class='op'>)</span><span class='op'>]</span><span class='strut'> </span></p>
<p id='t103' class='stm mis'> <span class='nam'>exports_d</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>create_adv_nfs_export_input</span><span class='op'>(</span><span class='nam'>adv_entries</span><span class='op'>,</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t104' class='stm mis'> <span class='nam'>exports</span><span class='op'>.</span><span class='nam'>update</span><span class='op'>(</span><span class='nam'>exports_d</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t105' class='stm mis'> <span class='nam'>refresh_nfs_exports</span><span class='op'>(</span><span class='nam'>exports</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t106' class='pln'><span class='strut'> </span></p>
<p id='t107' class='stm mis'> <span class='op'>@</span><span class='nam'>transaction</span><span class='op'>.</span><span class='nam'>atomic</span><span class='strut'> </span></p>
<p id='t108' class='pln'> <span class='key'>def</span> <span class='nam'>_create</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>share</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>,</span> <span class='nam'>uvisible</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t109' class='pln'> <span class='nam'>snap_type</span><span class='op'>,</span> <span class='nam'>writable</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t110' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>filter</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>name</span><span class='op'>=</span><span class='nam'>snap_name</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>exists</span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t111' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'Snapshot(%s) already exists for the Share(%s).'</span> <span class='op'>%</span><span class='strut'> </span></p>
<p id='t112' class='pln'> <span class='op'>(</span><span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>share</span><span class='op'>.</span><span class='nam'>name</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t113' class='stm mis'> <span class='nam'>handle_exception</span><span class='op'>(</span><span class='nam'>Exception</span><span class='op'>(</span><span class='nam'>e_msg</span><span class='op'>)</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t114' class='pln'><span class='strut'> </span></p>
<p id='t115' class='stm mis'> <span class='nam'>snap_size</span> <span class='op'>=</span> <span class='num'>0</span><span class='strut'> </span></p>
<p id='t116' class='stm mis'> <span class='nam'>qgroup_id</span> <span class='op'>=</span> <span class='str'>'0/na'</span><span class='strut'> </span></p>
<p id='t117' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>snap_type</span> <span class='op'>==</span> <span class='str'>'replication'</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t118' class='stm mis'> <span class='nam'>writable</span> <span class='op'>=</span> <span class='nam'>False</span><span class='strut'> </span></p>
<p id='t119' class='stm mis'> <span class='nam'>add_snap</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>.</span><span class='nam'>pool</span><span class='op'>,</span> <span class='nam'>share</span><span class='op'>.</span><span class='nam'>subvol_name</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>writable</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t120' class='stm mis'> <span class='nam'>snap_id</span> <span class='op'>=</span> <span class='nam'>share_id</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>.</span><span class='nam'>pool</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t121' class='stm mis'> <span class='nam'>qgroup_id</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'0/%s'</span> <span class='op'>%</span> <span class='nam'>snap_id</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t122' class='stm mis'> <span class='key'>if</span> <span class='nam'>share</span><span class='op'>.</span><span class='nam'>pqgroup</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>settings</span><span class='op'>.</span><span class='nam'>MODEL_DEFS</span><span class='op'>[</span><span class='str'>'pqgroup'</span><span class='op'>]</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t123' class='stm mis'> <span class='nam'>pool_mnt_pt</span> <span class='op'>=</span> <span class='str'>'{}{}'</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>(</span><span class='nam'>settings</span><span class='op'>.</span><span class='nam'>MNT_PT</span><span class='op'>,</span> <span class='nam'>share</span><span class='op'>.</span><span class='nam'>pool</span><span class='op'>.</span><span class='nam'>name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t124' class='stm mis'> <span class='nam'>qgroup_assign</span><span class='op'>(</span><span class='nam'>qgroup_id</span><span class='op'>,</span> <span class='nam'>share</span><span class='op'>.</span><span class='nam'>pqgroup</span><span class='op'>,</span> <span class='nam'>pool_mnt_pt</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t125' class='stm mis'> <span class='nam'>snap_size</span><span class='op'>,</span> <span class='nam'>eusage</span> <span class='op'>=</span> <span class='nam'>volume_usage</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>.</span><span class='nam'>pool</span><span class='op'>,</span> <span class='nam'>qgroup_id</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t126' class='stm mis'> <span class='nam'>s</span> <span class='op'>=</span> <span class='nam'>Snapshot</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>name</span><span class='op'>=</span><span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>real_name</span><span class='op'>=</span><span class='nam'>snap_name</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t127' class='pln'> <span class='nam'>size</span><span class='op'>=</span><span class='nam'>snap_size</span><span class='op'>,</span> <span class='nam'>qgroup</span><span class='op'>=</span><span class='nam'>qgroup_id</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t128' class='pln'> <span class='nam'>uvisible</span><span class='op'>=</span><span class='nam'>uvisible</span><span class='op'>,</span> <span class='nam'>snap_type</span><span class='op'>=</span><span class='nam'>snap_type</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t129' class='pln'> <span class='nam'>writable</span><span class='op'>=</span><span class='nam'>writable</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t130' class='stm mis'> <span class='nam'>s</span><span class='op'>.</span><span class='nam'>save</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t131' class='stm mis'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='nam'>SnapshotSerializer</span><span class='op'>(</span><span class='nam'>s</span><span class='op'>)</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t132' class='pln'><span class='strut'> </span></p>
<p id='t133' class='stm mis'> <span class='key'>def</span> <span class='nam'>post</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>,</span> <span class='nam'>sid</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>command</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t134' class='stm mis'> <span class='key'>with</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_handle_exception</span><span class='op'>(</span><span class='nam'>request</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t135' class='stm mis'> <span class='nam'>share</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_validate_share</span><span class='op'>(</span><span class='nam'>sid</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t136' class='stm mis'> <span class='nam'>uvisible</span> <span class='op'>=</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='str'>'uvisible'</span><span class='op'>,</span> <span class='nam'>False</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t137' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>type</span><span class='op'>(</span><span class='nam'>uvisible</span><span class='op'>)</span> <span class='op'>!=</span> <span class='nam'>bool</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t138' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'uvisible must be a boolean, not %s'</span> <span class='op'>%</span> <span class='nam'>type</span><span class='op'>(</span><span class='nam'>uvisible</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t139' class='stm mis'> <span class='nam'>handle_exception</span><span class='op'>(</span><span class='nam'>Exception</span><span class='op'>(</span><span class='nam'>e_msg</span><span class='op'>)</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t140' class='pln'><span class='strut'> </span></p>
<p id='t141' class='stm mis'> <span class='nam'>snap_type</span> <span class='op'>=</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='str'>'snap_type'</span><span class='op'>,</span> <span class='str'>'admin'</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t142' class='stm mis'> <span class='nam'>writable</span> <span class='op'>=</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='str'>'writable'</span><span class='op'>,</span> <span class='nam'>False</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t143' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>type</span><span class='op'>(</span><span class='nam'>writable</span><span class='op'>)</span> <span class='op'>!=</span> <span class='nam'>bool</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t144' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'writable must be a boolean, not %s'</span> <span class='op'>%</span> <span class='nam'>type</span><span class='op'>(</span><span class='nam'>writable</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t145' class='stm mis'> <span class='nam'>handle_exception</span><span class='op'>(</span><span class='nam'>Exception</span><span class='op'>(</span><span class='nam'>e_msg</span><span class='op'>)</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t146' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>command</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t147' class='stm mis'> <span class='nam'>ret</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_create</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t148' class='pln'> <span class='nam'>uvisible</span><span class='op'>=</span><span class='nam'>uvisible</span><span class='op'>,</span> <span class='nam'>snap_type</span><span class='op'>=</span><span class='nam'>snap_type</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t149' class='pln'> <span class='nam'>writable</span><span class='op'>=</span><span class='nam'>writable</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t150' class='pln'><span class='strut'> </span></p>
<p id='t151' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>uvisible</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t152' class='stm mis'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t153' class='stm mis'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_toggle_visibility</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>ret</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>[</span><span class='str'>'real_name'</span><span class='op'>]</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t154' class='stm mis'> <span class='key'>except</span> <span class='nam'>Exception</span> <span class='key'>as</span> <span class='nam'>e</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t155' class='stm mis'> <span class='nam'>msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'Failed to make the Snapshot(%s) visible. '</span><span class='strut'> </span></p>
<p id='t156' class='pln'> <span class='str'>'Exception: %s'</span> <span class='op'>%</span> <span class='op'>(</span><span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>e</span><span class='op'>.</span><span class='nam'>__str__</span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t157' class='stm mis'> <span class='nam'>logger</span><span class='op'>.</span><span class='nam'>error</span><span class='op'>(</span><span class='nam'>msg</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t158' class='stm mis'> <span class='nam'>logger</span><span class='op'>.</span><span class='nam'>exception</span><span class='op'>(</span><span class='nam'>e</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t159' class='pln'><span class='strut'> </span></p>
<p id='t160' class='stm mis'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t161' class='stm mis'> <span class='nam'>toggle_sftp_visibility</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>ret</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>[</span><span class='str'>'real_name'</span><span class='op'>]</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t162' class='stm mis'> <span class='key'>except</span> <span class='nam'>Exception</span> <span class='key'>as</span> <span class='nam'>e</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t163' class='stm mis'> <span class='nam'>msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'Failed to make the Snapshot(%s) visible for '</span><span class='strut'> </span></p>
<p id='t164' class='pln'> <span class='str'>'SFTP. Exception: %s'</span> <span class='op'>%</span><span class='strut'> </span></p>
<p id='t165' class='pln'> <span class='op'>(</span><span class='nam'>snap_name</span><span class='op'>,</span> <span class='nam'>e</span><span class='op'>.</span><span class='nam'>__str__</span><span class='op'>(</span><span class='op'>)</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t166' class='stm mis'> <span class='nam'>logger</span><span class='op'>.</span><span class='nam'>error</span><span class='op'>(</span><span class='nam'>msg</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t167' class='stm mis'> <span class='nam'>logger</span><span class='op'>.</span><span class='nam'>exception</span><span class='op'>(</span><span class='nam'>e</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t168' class='pln'><span class='strut'> </span></p>
<p id='t169' class='stm mis'> <span class='key'>return</span> <span class='nam'>ret</span><span class='strut'> </span></p>
<p id='t170' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>command</span> <span class='op'>==</span> <span class='str'>'clone'</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t171' class='stm mis'> <span class='nam'>new_name</span> <span class='op'>=</span> <span class='nam'>request</span><span class='op'>.</span><span class='nam'>data</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='str'>'name'</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t172' class='stm mis'> <span class='nam'>snapshot</span> <span class='op'>=</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>name</span><span class='op'>=</span><span class='nam'>snap_name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t173' class='stm mis'> <span class='key'>return</span> <span class='nam'>create_clone</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>new_name</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>,</span> <span class='nam'>logger</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t174' class='pln'> <span class='nam'>snapshot</span><span class='op'>=</span><span class='nam'>snapshot</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t175' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>command</span> <span class='op'>==</span> <span class='str'>'repclone'</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t176' class='pln'> <span class='com'># When repclone is first called the oldest snapshot is</span><span class='strut'> </span></p>
<p id='t177' class='pln'> <span class='com'># actually a share. This is an artifact of import_shares()</span><span class='strut'> </span></p>
<p id='t178' class='pln'> <span class='com'># identifying the first snapshot incorrectly as a share.</span><span class='strut'> </span></p>
<p id='t179' class='pln'> <span class='com'># TODO: As a temporary work around for this, and to avoid</span><span class='strut'> </span></p>
<p id='t180' class='pln'> <span class='com'># TODO: modifying import_shares / import_snapshots for what is</span><span class='strut'> </span></p>
<p id='t181' class='pln'> <span class='com'># TODO: currently stable behaviour we simply try for a share</span><span class='strut'> </span></p>
<p id='t182' class='pln'> <span class='com'># TODO: if no snapshot is found, ie failing over to accommodate</span><span class='strut'> </span></p>
<p id='t183' class='pln'> <span class='com'># TODO: for the currently quirky behaviour of the imports.</span><span class='strut'> </span></p>
<p id='t184' class='pln'> <span class='com'># TODO: Note: this snap as share quirk is temporary as once a</span><span class='strut'> </span></p>
<p id='t185' class='pln'> <span class='com'># TODO: replication cycle has completed it is removed.</span><span class='strut'> </span></p>
<p id='t186' class='stm mis'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t187' class='stm mis'> <span class='nam'>snapshot</span> <span class='op'>=</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t188' class='pln'> <span class='nam'>name</span><span class='op'>=</span><span class='nam'>snap_name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t189' class='stm mis'> <span class='key'>except</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>DoesNotExist</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t190' class='pln'> <span class='com'># Here we rely on the polymorphism of Share/Snap and that</span><span class='strut'> </span></p>
<p id='t191' class='pln'> <span class='com'># this quirky share is located as per regular snapshots.</span><span class='strut'> </span></p>
<p id='t192' class='pln'> <span class='com'># The subvol of our snap-as-share-quirk is as per a snap:</span><span class='strut'> </span></p>
<p id='t193' class='pln'> <span class='com'># ".snapshots/sharename/snapname"</span><span class='strut'> </span></p>
<p id='t194' class='stm mis'> <span class='nam'>quirk_snap_share</span> <span class='op'>=</span> <span class='str'>'.snapshots/{}/{}'</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>.</span><span class='nam'>name</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t195' class='pln'> <span class='nam'>snap_name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t196' class='stm mis'> <span class='nam'>logger</span><span class='op'>.</span><span class='nam'>debug</span><span class='op'>(</span><span class='str'>'Fail through for snap-as-share-quirk'</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t197' class='stm mis'> <span class='nam'>snapshot</span> <span class='op'>=</span> <span class='nam'>Share</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>subvol_name</span><span class='op'>=</span><span class='nam'>quirk_snap_share</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t198' class='stm mis'> <span class='key'>return</span> <span class='nam'>create_repclone</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>,</span> <span class='nam'>logger</span><span class='op'>,</span><span class='strut'> </span></p>
<p id='t199' class='pln'> <span class='nam'>snapshot</span><span class='op'>=</span><span class='nam'>snapshot</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t200' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'Unknown command: %s'</span> <span class='op'>%</span> <span class='nam'>command</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t201' class='stm mis'> <span class='nam'>handle_exception</span><span class='op'>(</span><span class='nam'>Exception</span><span class='op'>(</span><span class='nam'>e_msg</span><span class='op'>)</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t202' class='pln'><span class='strut'> </span></p>
<p id='t203' class='stm mis'> <span class='op'>@</span><span class='nam'>staticmethod</span><span class='strut'> </span></p>
<p id='t204' class='pln'> <span class='key'>def</span> <span class='nam'>_validate_share</span><span class='op'>(</span><span class='nam'>sid</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t205' class='stm mis'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t206' class='stm mis'> <span class='key'>return</span> <span class='nam'>Share</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>id</span><span class='op'>=</span><span class='nam'>sid</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t207' class='stm mis'> <span class='key'>except</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t208' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'Share with id: {} does not exist'</span><span class='op'>.</span><span class='nam'>format</span><span class='op'>(</span><span class='nam'>sid</span><span class='op'>)</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t209' class='stm mis'> <span class='nam'>handle_exception</span><span class='op'>(</span><span class='nam'>Exception</span><span class='op'>(</span><span class='nam'>e_msg</span><span class='op'>)</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t210' class='pln'><span class='strut'> </span></p>
<p id='t211' class='stm mis'> <span class='op'>@</span><span class='nam'>transaction</span><span class='op'>.</span><span class='nam'>atomic</span><span class='strut'> </span></p>
<p id='t212' class='stm mis'> <span class='key'>def</span> <span class='nam'>_delete_snapshot</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>,</span> <span class='nam'>sid</span><span class='op'>,</span> <span class='nam'>id</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t213' class='stm mis'> <span class='nam'>share</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_validate_share</span><span class='op'>(</span><span class='nam'>sid</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t214' class='stm mis'> <span class='key'>try</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t215' class='stm mis'> <span class='nam'>snapshot</span> <span class='op'>=</span> <span class='nam'>None</span><span class='strut'> </span></p>
<p id='t216' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>id</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t217' class='stm mis'> <span class='nam'>snapshot</span> <span class='op'>=</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>id</span><span class='op'>=</span><span class='nam'>id</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t218' class='stm mis'> <span class='key'>elif</span> <span class='op'>(</span><span class='nam'>snap_name</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t219' class='stm mis'> <span class='nam'>snapshot</span> <span class='op'>=</span> <span class='nam'>Snapshot</span><span class='op'>.</span><span class='nam'>objects</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>=</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>name</span><span class='op'>=</span><span class='nam'>snap_name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t220' class='pln'> <span class='key'>else</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t221' class='stm mis'> <span class='key'>return</span> <span class='nam'>True</span><span class='strut'> </span></p>
<p id='t222' class='stm mis'> <span class='key'>except</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t223' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='str'>''</span><span class='strut'> </span></p>
<p id='t224' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>id</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t225' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'Snapshot(%s) does not exist.'</span> <span class='op'>%</span> <span class='nam'>id</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t226' class='pln'> <span class='key'>else</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t227' class='stm mis'> <span class='nam'>e_msg</span> <span class='op'>=</span> <span class='op'>(</span><span class='str'>'Snapshot(%s) does not exist.'</span> <span class='op'>%</span> <span class='nam'>snap_name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t228' class='stm mis'> <span class='nam'>handle_exception</span><span class='op'>(</span><span class='nam'>Exception</span><span class='op'>(</span><span class='nam'>e_msg</span><span class='op'>)</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t229' class='pln'><span class='strut'> </span></p>
<p id='t230' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>snapshot</span><span class='op'>.</span><span class='nam'>uvisible</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t231' class='stm mis'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_toggle_visibility</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>snapshot</span><span class='op'>.</span><span class='nam'>real_name</span><span class='op'>,</span> <span class='nam'>on</span><span class='op'>=</span><span class='nam'>False</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t232' class='stm mis'> <span class='nam'>toggle_sftp_visibility</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>,</span> <span class='nam'>snapshot</span><span class='op'>.</span><span class='nam'>real_name</span><span class='op'>,</span> <span class='nam'>on</span><span class='op'>=</span><span class='nam'>False</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t233' class='pln'><span class='strut'> </span></p>
<p id='t234' class='stm mis'> <span class='nam'>remove_snap</span><span class='op'>(</span><span class='nam'>share</span><span class='op'>.</span><span class='nam'>pool</span><span class='op'>,</span> <span class='nam'>share</span><span class='op'>.</span><span class='nam'>name</span><span class='op'>,</span> <span class='nam'>snapshot</span><span class='op'>.</span><span class='nam'>name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t235' class='stm mis'> <span class='nam'>snapshot</span><span class='op'>.</span><span class='nam'>delete</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t236' class='stm mis'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t237' class='pln'><span class='strut'> </span></p>
<p id='t238' class='stm mis'> <span class='key'>def</span> <span class='nam'>delete</span><span class='op'>(</span><span class='nam'>self</span><span class='op'>,</span> <span class='nam'>request</span><span class='op'>,</span> <span class='nam'>sid</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>=</span><span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t239' class='pln'> <span class='str'>"""</span><span class='strut'> </span></p>
<p id='t240' class='pln'><span class='str'> deletes a snapshot</span><span class='strut'> </span></p>
<p id='t241' class='pln'><span class='str'> """</span><span class='strut'> </span></p>
<p id='t242' class='stm mis'> <span class='key'>with</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_handle_exception</span><span class='op'>(</span><span class='nam'>request</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t243' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>snap_name</span> <span class='key'>is</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t244' class='stm mis'> <span class='nam'>snap_qp</span> <span class='op'>=</span> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>request</span><span class='op'>.</span><span class='nam'>query_params</span><span class='op'>.</span><span class='nam'>get</span><span class='op'>(</span><span class='str'>'id'</span><span class='op'>,</span> <span class='nam'>None</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t245' class='stm mis'> <span class='key'>if</span> <span class='op'>(</span><span class='nam'>snap_qp</span> <span class='key'>is</span> <span class='key'>not</span> <span class='nam'>None</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t246' class='stm mis'> <span class='key'>for</span> <span class='nam'>si</span> <span class='key'>in</span> <span class='nam'>snap_qp</span><span class='op'>.</span><span class='nam'>split</span><span class='op'>(</span><span class='str'>','</span><span class='op'>)</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t247' class='stm mis'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_delete_snapshot</span><span class='op'>(</span><span class='nam'>request</span><span class='op'>,</span> <span class='nam'>sid</span><span class='op'>,</span> <span class='nam'>id</span><span class='op'>=</span><span class='nam'>si</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t248' class='pln'> <span class='key'>else</span><span class='op'>:</span><span class='strut'> </span></p>
<p id='t249' class='stm mis'> <span class='nam'>self</span><span class='op'>.</span><span class='nam'>_delete_snapshot</span><span class='op'>(</span><span class='nam'>request</span><span class='op'>,</span> <span class='nam'>sid</span><span class='op'>,</span> <span class='nam'>snap_name</span><span class='op'>=</span><span class='nam'>snap_name</span><span class='op'>)</span><span class='strut'> </span></p>
<p id='t250' class='stm mis'> <span class='key'>return</span> <span class='nam'>Response</span><span class='op'>(</span><span class='op'>)</span><span class='strut'> </span></p>
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