mirror of
https://github.com/retspen/webvirtcloud
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Add editing disk capability to instance. Add instance disk options like io, discard, detect zeroes. rewrite detach disk
This commit is contained in:
catborise
parent
c05729158a
commit
f2ba2b58b0
4 changed files with 244 additions and 157 deletions
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@ -1,151 +1,126 @@
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{% load i18n %}
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{% if request.user.is_superuser %}
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<a href="#addvol" type="button" class="btn btn-success pull-right" data-toggle="modal" title="Add Volume">
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<span class="glyphicon glyphicon-plus" aria-hidden="true"></span>
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</a>
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<button href="#editvol{{ id }}" type="button" class="btn btn-sm btn-default" data-toggle="modal" title="Edit Volume">
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<i class="glyphicon glyphicon-edit" aria-hidden="true"></i>
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</button>
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<!-- Modal pool -->
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<div class="modal fade" id="addvol" tabindex="-1" role="dialog" aria-labelledby="addInstanceVolumeLabel" aria-hidden="true">
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<div class="modal fade" id="editvol{{ id }}" tabindex="-1" role="dialog" aria-labelledby="editInstanceVolumeLabel{{ id }}" aria-hidden="true">
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<div class="modal-dialog">
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<div class="modal-content">
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<div class="modal-header">
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<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
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<h4 class="modal-title">{% trans "Add Instance Volume" %}</h4>
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<h4 class="modal-title">{% trans "Edit Instance Volume" %}</h4>
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</div>
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<div class="modal-body">
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<div class="row">
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<ul class="nav nav-tabs">
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<li role="presentation" class="active"><a href="#NewDisk" data-toggle="tab">{% trans 'New Disk' %}</a></li>
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<li role="presentation"><a href="#ExistingDisk" data-toggle="tab">{% trans 'Existing Disk' %}</a></li>
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<li role="presentation" class="active"><a href="#VirtualDisk{{ id }}" data-toggle="tab">{% trans 'Virtual Disk' %}</a></li>
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<li role="presentation"><a href="#PerformanceVolume{{ id }}" data-toggle="tab">{% trans 'Performance' %}</a></li>
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<li role="presentation"><a href="#AdvancedVolume{{ id }}" data-toggle="tab">{% trans 'Advanced' %}</a></li>
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</ul>
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<div class="tab-content">
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<div class="tab-pane active" id="NewDisk">
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<form class="form-horizontal" method="post" role="form">{% csrf_token %}
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<p style="font-weight:bold;">{% trans "Volume parameters" %}</p>
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<div class="tab-pane active" id="VirtualDisk{{ id }}">
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Storage" %}</label>
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<div class="col-sm-4">
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<select name="storage" class="form-control image-format">
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{% for storage in storages_host %}
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<option value="{{ storage }}">{{ storage }}</option>
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{% endfor %}
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</select>
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<label class="col-sm-4 control-label">{% trans 'Volume Path' %}</label>
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<div class="col-sm-8">
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<input class="form-control" name="vol_path" value="{{ disk.path }}"/>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Name" %}</label>
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<div class="col-sm-4">
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<input type="text" class="form-control" name="name" placeholder="{% trans "Name" %}" required pattern="[a-zA-Z0-9\.\-_]+">
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<label class="col-sm-4 control-label">{% trans 'Readonly' %}</label>
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<div class="col-sm-8">
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<input class="form-control-static" type="checkbox" name="vol_readonly" value="True" {% if disk.readonly %}checked{% endif %}/>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Format" %}</label>
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<div class="col-sm-4">
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<select name="format" class="form-control image-format">
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{% for format in formats %}
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<option value="{{ format }}" {% if format == default_format %}selected{% endif %}>{% trans format %}</option>
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{% endfor %}
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</select>
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<label class="col-sm-4 control-label">{% trans 'Shareable' %}</label>
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<div class="col-sm-8">
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<input class="form-control-static" type="checkbox" name="vol_shareable" value="True" {% if disk.shareable %}checked{% endif %}/>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Size" %}</label>
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<div class="col-sm-4">
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<input type="text" class="form-control" name="size" value="10" maxlength="5" required pattern="[0-9]+">
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</div>
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<label class="col-sm-1 control-label">{% trans "GB" %}</label>
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</div>
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Bus" %}</label>
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<div class="col-sm-4">
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<select name="bus" class="form-control image-format">
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{% for bus in bus_host %}
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<option value="{{ bus }}" {% if bus == default_bus %}selected{% endif %}>{% trans bus %}</option>
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{% endfor %}
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</select>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Cache" %}</label>
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<div class="col-sm-4">
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<select name="cache" class="form-control image-format">
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{% for mode, name in cache_modes %}
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<option value="{{ mode }}" {% if mode == default_cache %}selected{% endif %}>{% trans name %}</option>
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{% endfor %}
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</select>
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</div>
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</div>
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<div class="form-group meta-prealloc">
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<label class="col-sm-3 control-label">{% trans "Metadata" %}</label>
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<div class="col-sm-4">
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<input type="checkbox" name="meta_prealloc" value="true">
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</div>
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</div>
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<div class="modal-footer">
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<button type="submit" class="btn btn-lg btn-success pull-right" name="add_new_vol">{% trans "Add Volume" %}</button>
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</div>
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</form>
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</div>
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<div class="tab-pane" id="ExistingDisk">
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<form class="form-horizontal" method="post" role="form">{% csrf_token %}
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<div class="modal-body">
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<p style="font-weight:bold;">{% trans "Volume parameters" %}</p>
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Storage" %}</label>
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<div class="col-sm-4">
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<div class="dropdown">
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<button id="select_storage" class="btn btn-default dropdown-toggle form-control" type="button" data-toggle="dropdown">{% trans 'Select Pool...' %}
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<span class="caret"></span></button>
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<ul class="dropdown-menu">
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{% for storage in storages_host %}
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<li><a href="#" onclick="get_volumes({{ compute_id }}, '{{ storage }}')">{{ storage }}</a></li>
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{% endfor %}
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</ul>
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<input id="selected_storage" name="selected_storage" hidden/>
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</div>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-3 control-label" >{% trans "Volume" %}</label>
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<div class="col-sm-4">
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<select id="vols" name="vols" class="form-control" disabled>
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<option value="" selected>{% trans 'None' %}</option>
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<!-- populate with javascript -->
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</select>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Bus" %}</label>
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<div class="col-sm-4">
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<select name="bus" class="form-control image-format">
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{% for bus in bus_host %}
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<option value="{{ bus }}" {% if bus == default_bus %}selected{% endif %}>{% trans bus %}</option>
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{% endfor %}
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</select>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-3 control-label">{% trans "Cache" %}</label>
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<div class="col-sm-4">
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<select name="cache" class="form-control image-format">
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{% for mode, name in cache_modes %}
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<option value="{{ mode }}" {% if mode == default_cache %}selected{% endif %}>{% trans name %}</option>
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{% endfor %}
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</select>
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</div>
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<div class="tab-pane" id="AdvancedVolume{{ id }}">
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<div class="form-group">
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<label class="col-sm-4 control-label">{% trans 'Bus' %}</label>
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<div class="col-sm-8">
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<select class="form-control" name="vol_bus">
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{% for bus in bus_host %}
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<option value="{{ bus }}" {% if bus == disk.bus %}selected{% endif %}>{{ bus }}</option>
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{% endfor %}
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</select>
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</div>
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</div>
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<div class="modal-footer">
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<button type="submit" class="btn btn-lg btn-success pull-right" name="add_existing_vol">{% trans "Add Volume" %}</button>
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<div class="form-group">
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<label class="col-sm-4 control-label">{% trans 'Serial Number' %}</label>
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<div class="col-sm-8">
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<input class="form-control" type="text" name="vol_serial" value="{{ disk.serial }}"/>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-4 control-label">{% trans 'Storage Format' %}</label>
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<div class="col-sm-8">
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<input class="form-control" type="text" name="vol_format" value="{{ disk.format }}"/>
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</div>
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</div>
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</form>
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</div>
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</div>
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</div> <!-- row -->
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<div class="tab-pane" id="PerformanceVolume{{ id }}">
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<div class="form-group">
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<label class="col-sm-4 control-label">{% trans 'Cache mode' %}</label>
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<div class="col-sm-8">
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<select class="form-control" name="vol_cache">
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{% for key, val in cache_modes %}
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<option value="{{ key }}" {% if key == disk.cache %}selected{% endif %}>{{ val }}</option>
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{% endfor %}
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</select>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-4 control-label">{% trans 'IO mode' %}</label>
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<div class="col-sm-8">
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<select class="form-control" name="vol_io_mode">
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{% for key, val in io_modes %}
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<option value="{{ key }}" {% if key == disk.io %}selected{% endif %}>{{ val }}</option>
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{% endfor %}
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</select>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-4 control-label">{% trans 'Discard mode' %}</label>
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<div class="col-sm-8">
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<select class="form-control" name="vol_discard_mode">
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{% for key, val in discard_modes %}
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<option value="{{ key }}" {% if key == disk.discard %}selected{% endif %}>{{ val }}</option>
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{% endfor %}
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</select>
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</div>
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</div>
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<div class="form-group">
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<label class="col-sm-4 control-label">{% trans 'Detect zeroes' %}</label>
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<div class="col-sm-8">
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<select class="form-control" name="vol_detect_zeroes">
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{% for key, val in detect_zeroes_modes %}
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<option value="{{ key }}" {% if key == disk.detect_zeroes %}selected{% endif %}>{{ val }}</option>
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{% endfor %}
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</select>
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</div>
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</div>
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</div><!-- /.tabpane-content -->
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</div><!-- /.tab-content -->
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</div> <!-- /.modal-body -->
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<div class="clearfix"></div>
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<div class="modal-footer">
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<button type="button" class="btn btn-default" data-dismiss="modal">{% trans "Close" %}</button>
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<button type="submit" class="btn btn-success" name="edit_volume">{% trans "Save" %}</button>
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</div><!-- /.modal-footer -->
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</div> <!-- /.modal-content -->
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</div> <!-- /.modal-dialog -->
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</div> <!-- /.modal -->
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{% endif %}
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@ -823,14 +823,14 @@
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<th>{% trans "Capacity" %}</th>
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<th>{% trans "Storage" %}</th>
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<th>{% trans "Source" %}</th>
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<th style="width:100px;">{% trans "Action" %}</th>
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<th>{% trans "Action" %}</th>
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</thead>
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<tbody>
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{% for disk in disks %}
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<tr>
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<td>
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<button type="submit" class="btn btn-sm btn-default"
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name="details"
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name="details{{ forloop.counter0 }}"
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title="{% trans "Details" %}"
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tabindex="0"
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data-trigger="focus"
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@ -838,7 +838,13 @@
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data-html="true"
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data-content="<strong>Bus:</strong> {{ disk.bus }} <br/>
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<strong>Format:</strong> {{ disk.format }} <br/>
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<strong>Cache:</strong> {{ disk.cache }}">
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<strong>Cache:</strong> {{ disk.cache }} <br/>
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<strong>Serial:</strong> {{ disk.serial }} <br/>
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<strong>Readonly:</strong> {{ disk.readonly }} <br/>
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<strong>Shareable:</strong> {{ disk.shareable }}</br>
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<strong>IO Mode:</strong> {{ disk.io }} <br/>
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<strong>Discard:</strong> {{ disk.discard }} <br/>
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<strong>Detect Zeroes:</strong> {{ disk.detect_zeroes }}">
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<i class="fa fa-info"></i>
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</button>
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{{ disk.dev }}
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@ -850,11 +856,12 @@
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<td>{{ disk.storage }}</td>
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<td>{{ disk.path }}</td>
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<td>
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<form action="" method="post" style="height:10px" role="form">{% csrf_token %}
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<form action="" method="post" role="form">{% csrf_token %}
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<input type="hidden" name="path" value="{{ disk.path }}">
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<input type="hidden" name="dev" value="{{ disk.dev }}">
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<input type="hidden" name="storage" value="{{ disk.storage }}">
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<input type="hidden" name="name" value="{{ disk.image }}">
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{% include 'edit_instance_volume.html' with id=forloop.counter0 %}
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{% ifequal status 5 %}
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<button type="submit" class="btn btn-sm btn-default" name="detach_vol" value="{{ disk.dev }}" title="{% trans "Detach" %}" onclick="return confirm('{% trans "Are you sure to detach volume?" %}')">
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<i class="fa fa-eject"></i>
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@ -863,14 +870,15 @@
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<i class="fa fa-trash"></i>
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</button>
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{% else %}
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<button class="btn btn-sm btn-default disabled" name="detach_vol" value="{{ disk.dev }}" title="{% trans "Detach" %}" onclick="return confirm('{% trans "Are you sure to detach volume after shutdown?" %}')">
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<button class="btn btn-sm btn-default disabled" name="detach_vol" value="{{ disk.dev }}" title="{% trans "Detach" %}" onclick="return confirm('{% trans "Are you sure? This may lead data corruption!" %}')">
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<i class="fa fa-eject"></i>
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</button>
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<button class="btn btn-sm btn-default disabled" name="delete_vol" title="{% trans "Delete" %}" onclick="return confirm('{% trans "Are you sure to delete after shutdown?" %}')">
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<button class="btn btn-sm btn-default disabled" name="delete_vol" title="{% trans "Delete" %}" onclick="return confirm('{% trans "Are you sure? This may lead data corruption!" %}')">
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<i class="fa fa-trash"></i>
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</button>
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{% endifequal %}
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</form>
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</td>
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</tr>
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{% endfor %}
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@ -313,6 +313,12 @@ def instance(request, compute_id, vname):
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clone_free_names = get_clone_free_names()
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user_quota_msg = check_user_quota(0, 0, 0, 0)
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cache_modes = sorted(conn.get_cache_modes().items())
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io_modes = sorted(conn.get_io_modes().items())
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discard_modes = sorted(conn.get_discard_modes().items())
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detect_zeroes_modes = sorted(conn.get_detect_zeroes_modes().items())
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default_io = settings.INSTANCE_VOLUME_DEFAULT_IO
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default_discard = settings.INSTANCE_VOLUME_DEFAULT_DISCARD
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default_zeroes = settings.INSTANCE_VOLUME_DEFAULT_DETECT_ZEROES
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default_cache = settings.INSTANCE_VOLUME_DEFAULT_CACHE
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default_format = settings.INSTANCE_VOLUME_DEFAULT_FORMAT
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default_owner = settings.INSTANCE_VOLUME_DEFAULT_OWNER
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@ -563,10 +569,10 @@ def instance(request, compute_id, vname):
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meta_prealloc = True if request.POST.get('meta_prealloc', False) else False
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bus = request.POST.get('bus', default_bus)
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cache = request.POST.get('cache', default_cache)
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target = get_new_disk_dev(media, disks, bus)
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target_dev = get_new_disk_dev(media, disks, bus)
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path = conn_create.create_volume(storage, name, size, format, meta_prealloc, default_owner)
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conn.attach_disk(path, target, subdriver=format, cache=cache, targetbus=bus)
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source = conn_create.create_volume(storage, name, size, format, meta_prealloc, default_owner)
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conn.attach_disk(source, target_dev, target_bus=bus, driver_type=format, cache_mode=cache)
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msg = _('Attach new disk {} ({})'.format(name, format))
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addlogmsg(request.user.username, instance.name, msg)
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return HttpResponseRedirect(request.get_full_path() + '#disks')
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@ -583,16 +589,43 @@ def instance(request, compute_id, vname):
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compute.type,
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storage)
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format = conn_create.get_volume_type(name)
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driver_type = conn_create.get_volume_type(name)
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path = conn_create.get_target_path()
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target = get_new_disk_dev(media, disks, bus)
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target_dev = get_new_disk_dev(media, disks, bus)
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source = path + "/" + name
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conn.attach_disk(source, target, subdriver=format, cache=cache, targetbus=bus)
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msg = _('Attach Existing disk: ' + target)
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conn.attach_disk(source, target_dev, target_bus=bus, driver_type=driver_type, cache_mode=cache)
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msg = _('Attach Existing disk: ' + target_dev)
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addlogmsg(request.user.username, instance.name, msg)
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return HttpResponseRedirect(request.get_full_path() + '#disks')
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if 'edit_volume' in request.POST and allow_admin_or_not_template:
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target_dev = request.POST.get('dev', '')
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new_path = request.POST.get('vol_path', '')
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shareable = bool(request.POST.get('vol_shareable', False))
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readonly = bool(request.POST.get('vol_readonly', False))
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bus = request.POST.get('vol_bus', '')
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serial = request.POST.get('vol_serial', '')
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format = request.POST.get('vol_format', '')
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cache = request.POST.get('vol_cache', default_cache)
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io = request.POST.get('vol_io_mode', default_io)
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discard = request.POST.get('vol_discard_mode', default_discard)
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zeroes = request.POST.get('vol_detect_zeroes', default_zeroes)
|
||||
|
||||
conn.edit_disk(target_dev, new_path, readonly, shareable, bus, serial, format,
|
||||
cache, io, discard, zeroes)
|
||||
|
||||
if not conn.get_status() == 5:
|
||||
messages.success(request, _("Disk changes changes are applied. " +
|
||||
"But it will be activated after shutdown"))
|
||||
else:
|
||||
messages.success(request, _("Disk is changed successfully."))
|
||||
msg = _('Edit disk: ' + target_dev)
|
||||
addlogmsg(request.user.username, instance.name, msg)
|
||||
|
||||
return HttpResponseRedirect(request.get_full_path() + '#disks')
|
||||
|
||||
if 'delete_vol' in request.POST and allow_admin_or_not_template:
|
||||
storage = request.POST.get('storage', '')
|
||||
conn_delete = wvmStorage(compute.hostname,
|
||||
|
|
|
|||
|
|
@ -388,10 +388,13 @@ class wvmInstance(wvmConnect):
|
|||
def get_disk_devices(self):
|
||||
def disks(doc):
|
||||
result = []
|
||||
dev = volume = storage = src_file = bus = None
|
||||
disk_format = used_size = disk_size = disk_cache = None
|
||||
|
||||
for disk in doc.xpath('/domain/devices/disk'):
|
||||
dev = volume = storage = src_file = bus = None
|
||||
disk_format = used_size = disk_size = None
|
||||
disk_cache = disk_io = disk_discard = disk_zeroes = 'default'
|
||||
readonly = shareable = serial = None
|
||||
|
||||
device = disk.xpath('@device')[0]
|
||||
if device == 'disk':
|
||||
try:
|
||||
|
|
@ -406,6 +409,23 @@ class wvmInstance(wvmConnect):
|
|||
disk_cache = disk.xpath('driver/@cache')[0]
|
||||
except:
|
||||
pass
|
||||
try:
|
||||
disk_io = disk.xpath('driver/@io')[0]
|
||||
except:
|
||||
pass
|
||||
try:
|
||||
disk_discard = disk.xpath('driver/@discard')[0]
|
||||
except:
|
||||
pass
|
||||
try:
|
||||
disk_zeroes = disk.xpath('driver/@detect_zeroes')[0]
|
||||
except:
|
||||
pass
|
||||
|
||||
readonly = True if disk.xpath('readonly') else False
|
||||
shareable = True if disk.xpath('shareable') else False
|
||||
serial = disk.xpath('serial')[0].text if disk.xpath('serial') else None
|
||||
|
||||
try:
|
||||
vol = self.get_volume_by_path(src_file)
|
||||
volume = vol.name()
|
||||
|
|
@ -421,7 +441,9 @@ class wvmInstance(wvmConnect):
|
|||
finally:
|
||||
result.append(
|
||||
{'dev': dev, 'bus': bus, 'image': volume, 'storage': storage, 'path': src_file,
|
||||
'format': disk_format, 'size': disk_size, 'used': used_size, 'cache': disk_cache})
|
||||
'format': disk_format, 'size': disk_size, 'used': used_size,
|
||||
'cache': disk_cache, 'io': disk_io, 'discard': disk_discard, 'detect_zeroes': disk_zeroes,
|
||||
'readonly': readonly, 'shareable': shareable, 'serial': serial})
|
||||
return result
|
||||
|
||||
return util.get_xml_path(self._XMLDesc(0), func=disks)
|
||||
|
|
@ -620,39 +642,88 @@ class wvmInstance(wvmConnect):
|
|||
xmldom = ElementTree.tostring(tree)
|
||||
self._defineXML(xmldom)
|
||||
|
||||
def attach_disk(self, source, target, sourcetype='file', device='disk', driver='qemu', subdriver='raw', cache='none', targetbus='ide'):
|
||||
xml_disk = "<disk type='%s' device='%s'>" % (sourcetype, device)
|
||||
if device == 'cdrom':
|
||||
xml_disk += "<driver name='%s' type='%s'/>" % (driver, subdriver)
|
||||
elif device == 'disk':
|
||||
xml_disk += "<driver name='%s' type='%s' cache='%s'/>" % (driver, subdriver, cache)
|
||||
def attach_disk(self, source, target_dev, target_bus='ide', disk_type='file',
|
||||
disk_device='disk', driver_name='qemu', driver_type='raw',
|
||||
readonly=False, shareable=False, serial=None,
|
||||
cache_mode=None, io_mode=None, discard_mode=None, detect_zeroes_mode=None):
|
||||
|
||||
additionals = ''
|
||||
if cache_mode is not None and cache_mode != 'default':
|
||||
additionals += "cache='%s' " % cache_mode
|
||||
if io_mode is not None and io_mode != 'default':
|
||||
additionals += "io='%s' " % io_mode
|
||||
if discard_mode is not None and discard_mode != 'default':
|
||||
additionals += "discard='%s' " % discard_mode
|
||||
if detect_zeroes_mode is not None and detect_zeroes_mode != 'default':
|
||||
additionals += "detect_zeroes='%s' " % detect_zeroes_mode
|
||||
|
||||
xml_disk = "<disk type='%s' device='%s'>" % (disk_type, disk_device)
|
||||
if disk_device == 'cdrom':
|
||||
xml_disk += "<driver name='%s' type='%s'/>" % (driver_name, driver_type)
|
||||
elif disk_device == 'disk':
|
||||
xml_disk += "<driver name='%s' type='%s' %s/>" % (driver_name, driver_type, additionals)
|
||||
xml_disk += """<source file='%s'/>
|
||||
<target dev='%s' bus='%s'/>
|
||||
</disk>
|
||||
""" % (source, target, targetbus)
|
||||
<target dev='%s' bus='%s'/>""" % (source, target_dev, target_bus)
|
||||
if readonly:
|
||||
xml_disk += """<readonly/>"""
|
||||
if shareable:
|
||||
xml_disk += """<shareable/>"""
|
||||
if serial is not None and serial != 'None' and serial != '':
|
||||
xml_disk += """<serial>%s</serial>""" % serial
|
||||
xml_disk += """</disk>"""
|
||||
if self.get_status() == 1:
|
||||
self.instance.attachDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_LIVE)
|
||||
self.instance.attachDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_CONFIG)
|
||||
if self.get_status() == 5:
|
||||
self.instance.attachDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_CONFIG)
|
||||
|
||||
def detach_disk(self, dev):
|
||||
tree = ElementTree.fromstring(self._XMLDesc(0))
|
||||
def detach_disk(self, target_dev):
|
||||
tree = etree.fromstring(self._XMLDesc(0))
|
||||
|
||||
for disk in tree.findall("./devices/disk"):
|
||||
target = disk.find("target")
|
||||
if target.get("dev") == dev:
|
||||
devices = tree.find('devices')
|
||||
devices.remove(disk)
|
||||
disk_el = tree.xpath("./devices/disk/target[@dev='{}']".format(target_dev))[0].getparent()
|
||||
xml_disk = etree.tostring(disk_el)
|
||||
devices = tree.find('devices')
|
||||
devices.remove(disk_el)
|
||||
|
||||
if self.get_status() == 1:
|
||||
xml_disk = ElementTree.tostring(disk)
|
||||
ret = self.instance.detachDevice(xml_disk)
|
||||
xmldom = self._XMLDesc(VIR_DOMAIN_XML_SECURE)
|
||||
if self.get_status() == 5:
|
||||
xmldom = ElementTree.tostring(tree)
|
||||
break
|
||||
self._defineXML(xmldom)
|
||||
if self.get_status() == 1:
|
||||
self.instance.detachDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_LIVE)
|
||||
self.instance.detachDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_CONFIG)
|
||||
if self.get_status() == 5:
|
||||
self.instance.detachDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_CONFIG)
|
||||
|
||||
def edit_disk(self, target_dev, source, readonly, shareable, target_bus, serial, format, cache_mode, io_mode, discard_mode, detect_zeroes_mode):
|
||||
tree = etree.fromstring(self._XMLDesc(0))
|
||||
disk_el = tree.xpath("./devices/disk/target[@dev='{}']".format(target_dev))[0].getparent()
|
||||
old_disk_type = disk_el.get('type')
|
||||
old_disk_device = disk_el.get('device')
|
||||
old_driver_name = disk_el.xpath('driver/@name')[0]
|
||||
|
||||
additionals = ''
|
||||
if cache_mode is not None and cache_mode != 'default':
|
||||
additionals += "cache='%s' " % cache_mode
|
||||
if io_mode is not None and io_mode != 'default':
|
||||
additionals += "io='%s' " % io_mode
|
||||
if discard_mode is not None and discard_mode != 'default':
|
||||
additionals += "discard='%s' " % discard_mode
|
||||
if detect_zeroes_mode is not None and detect_zeroes_mode != 'default':
|
||||
additionals += "detect_zeroes='%s' " % detect_zeroes_mode
|
||||
|
||||
xml_disk = "<disk type='%s' device='%s'>" % (old_disk_type, old_disk_device)
|
||||
if old_disk_device == 'cdrom':
|
||||
xml_disk += "<driver name='%s' type='%s'/>" % (old_driver_name, format)
|
||||
elif old_disk_device == 'disk':
|
||||
xml_disk += "<driver name='%s' type='%s' %s/>" % (old_driver_name, format, additionals)
|
||||
xml_disk += """<source file='%s'/>
|
||||
<target dev='%s' bus='%s'/>""" % (source, target_dev, target_bus)
|
||||
if readonly:
|
||||
xml_disk += """<readonly/>"""
|
||||
if shareable:
|
||||
xml_disk += """<shareable/>"""
|
||||
if serial is not None and serial != 'None' and serial != '':
|
||||
xml_disk += """<serial>%s</serial>""" % serial
|
||||
xml_disk += """</disk>"""
|
||||
|
||||
self.instance.updateDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_CONFIG)
|
||||
|
||||
def cpu_usage(self):
|
||||
cpu_usage = {}
|
||||
|
|
|
|||
Loading…
Reference in a new issue