mirror of
https://github.com/retspen/webvirtcloud
synced 2024-12-24 15:15:22 +00:00
adding enable/disable cpu hotplug, live add/remove vcpu to instance.
This commit is contained in:
catborise
parent
e4223dde5d
commit
49e179590e
3 changed files with 130 additions and 39 deletions
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@ -363,10 +363,11 @@
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<div class="tab-content">
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<div role="tabpanel" class="tab-pane tab-pane-bordered active" id="resizevm_cpu">
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{% if request.user.is_superuser or request.user.is_staff or userinstance.is_change %}
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{% if status == 5 or not vcpus %}
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<form class="form-horizontal" method="post" role="form">{% csrf_token %}
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<p style="font-weight:bold;">{% trans "Logical host CPUs" %} : {{ vcpu_host }}</p>
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<div class="form-group">
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<label class="col-sm-4 control-label" style="font-weight:normal;"> {% trans "Current allocation" %}</label>
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<label class="col-sm-4 control-label" style="font-weight:normal;"> {% trans "Current Allocation" %}</label>
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<div class="col-sm-4">
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<select name="cur_vcpu" class="form-control">
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{% for cpu in vcpu_range %}
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@ -380,7 +381,7 @@
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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" style="font-weight:normal;">{% trans "Maximum allocation" %}</label>
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<label class="col-sm-4 control-label" style="font-weight:normal;">{% trans "Maximum Allocation" %}</label>
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<div class="col-sm-4">
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<select name="vcpu" class="form-control">
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{% for cpu in vcpu_range %}
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@ -396,6 +397,28 @@
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<button class="btn btn-lg btn-success pull-right disabled">{% trans "Resize" %}</button>
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{% endifequal %}
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</form>
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<div class="clearfix"></div>
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{% else %}
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<p style="font-weight:bold;">{% trans "Logical Instance Active/Maximum CPUs" %} : {{ cur_vcpu }} / {{ vcpu }} </p>
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<div class="col-sm-3"></div>
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<div class="col-sm-6">
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{% for id, vcpu in vcpus.items %}
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<form method="post" role="form">{% csrf_token %}
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<div class="col-sm-3">
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<input name="id" value="{{ id }}" hidden/>
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{% if vcpu.enabled == 'yes' and vcpu.hotpluggable == "yes" %}
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<button type="submit" class="btn btn-block btn-success" value="False" name="set_vcpu" title="Disable">{{ id }}</button>
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{% elif vcpu.enabled == 'yes' and vcpu.hotpluggable == "no" %}
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<button type="button" class="btn btn btn-block btn-info" title="Constant">{{ id }}</button>
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{% else %}
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<button type="submit" class="btn btn btn-block btn-default" value="True" name="set_vcpu" title="Enable">{{ id }}</button>
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{% endif %}
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</div>
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</form>
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{% endfor %}
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</div>
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<div class="col-sm-3"></div>
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{% endif %}
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{% else %}
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{% trans "You don't have permission for resizing instance" %}
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<button class="btn btn-lg btn-success pull-right disabled">{% trans "Resize" %}</button>
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@ -1358,6 +1381,30 @@
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</form>
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<div class="clearfix"></div>
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</div>
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<div class="well">
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<p>{% trans "To set instance vCPUs hotpluggable" %}</p>
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<form class="form-horizontal" method="post" role="form">{% csrf_token %}
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<div class="form-group">
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<label for="video_model_select" class="col-sm-3 control-label">{% trans "vCPU Hot Plug" %}</label>
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<div class="col-sm-6">
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<div class="input-group">
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<select id="vcpu_hotplug" class="form-control" name="vcpu_hotplug">
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<option value="True" {% if vcpus %} selected {% endif %}>{% trans 'Enabled' %}</option>
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<option value="False" {% if not vcpus %} selected {% endif %}>{% trans 'Disabled' %}</option>
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</select>
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<span class="input-group-btn">
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{% if status == 5 %}
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<button type="submit" class="btn btn-success" name="set_vcpu_hotplug">{% trans "Set" %}</button>
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{% else %}
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<button class="btn btn-success" name="set_vcpu_hotplug" disabled>{% trans "Set" %}</button>
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{% endif %}
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</span>
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</div>
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</div>
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</div>
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</form>
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<div class="clearfix"></div>
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</div>
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</div>
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{% endif %}
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</div>
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@ -26,6 +26,7 @@ from libvirt import libvirtError, VIR_DOMAIN_XML_SECURE
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from logs.views import addlogmsg
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from django.conf import settings
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from django.contrib import messages
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from collections import OrderedDict
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@login_required
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@ -44,7 +45,7 @@ def allinstances(request):
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:param request:
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:return:
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"""
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all_host_vms = {}
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all_host_vms = OrderedDict()
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error_messages = []
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computes = Compute.objects.all().order_by("name")
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@ -76,7 +77,7 @@ def instances(request, compute_id):
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:param compute_id
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:return:
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"""
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all_host_vms = {}
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all_host_vms = OrderedDict()
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error_messages = []
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compute = get_object_or_404(Compute, pk=compute_id)
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@ -266,6 +267,7 @@ def instance(request, compute_id, vname):
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boot_order = conn.get_bootorder()
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vcpu = conn.get_vcpu()
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cur_vcpu = conn.get_cur_vcpu()
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vcpus = conn.get_vcpus()
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uuid = conn.get_uuid()
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memory = conn.get_memory()
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cur_memory = conn.get_cur_memory()
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@ -668,6 +670,29 @@ def instance(request, compute_id, vname):
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addlogmsg(request.user.username, instance.name, msg)
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return HttpResponseRedirect(request.get_full_path() + '#suspend')
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if 'set_vcpu' in request.POST:
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id = request.POST.get('id', '')
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enabled = request.POST.get('set_vcpu', '')
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if enabled == 'True':
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conn.set_vcpu(id, 1)
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else:
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conn.set_vcpu(id, 0)
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msg = _("vCPU {} is enabled={}".format(id, enabled))
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messages.success(request, msg)
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addlogmsg(request.user.username, instance.name, msg)
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return HttpResponseRedirect(request.get_full_path() + '#resize')
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if 'set_vcpu_hotplug' in request.POST:
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status = request.POST.get('vcpu_hotplug', '')
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msg = _("vCPU Hot-plug is enabled={}".format(status))
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try:
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conn.set_vcpu_hotplug(eval(status))
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except libvirtError as lib_err:
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messages.error(request, lib_err.message)
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messages.success(request, msg)
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addlogmsg(request.user.username, instance.name, msg)
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return HttpResponseRedirect(request.get_full_path() + '#resize')
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if 'set_autostart' in request.POST:
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conn.set_autostart(1)
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msg = _("Set autostart")
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@ -1036,7 +1061,7 @@ def get_host_instances(request, comp):
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inst_on_db = Instance(compute_id=comp["id"], name=inst_name, uuid=info['uuid'])
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inst_on_db.save()
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all_host_vms = {}
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all_host_vms = OrderedDict()
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status = connection_manager.host_is_up(comp.type, comp.hostname)
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if status is True:
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@ -5,10 +5,12 @@ try:
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VIR_DOMAIN_AFFECT_LIVE, VIR_DOMAIN_AFFECT_CONFIG
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except:
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from libvirt import libvirtError, VIR_DOMAIN_XML_SECURE, VIR_MIGRATE_LIVE
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from vrtManager import util
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from xml.etree import ElementTree
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from lxml import etree
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from datetime import datetime
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from collections import OrderedDict
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from vrtManager.connection import wvmConnect
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from vrtManager.storage import wvmStorage
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from webvirtcloud.settings import QEMU_CONSOLE_TYPES
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@ -184,6 +186,18 @@ class wvmInstance(wvmConnect):
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if cur_vcpu:
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return int(cur_vcpu)
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def get_vcpus(self):
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vcpus = OrderedDict()
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tree = etree.fromstring(self._XMLDesc(0))
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for vcpu in tree.xpath("/domain/vcpus/vcpu"):
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id = vcpu.get("id")
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enabled = vcpu.get("enabled")
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hotplug = vcpu.get("hotpluggable")
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order = vcpu.get("order")
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vcpus[id] = {"enabled": enabled, "hotpluggable": hotplug, "order": order}
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return vcpus
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def get_memory(self):
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mem = util.get_xml_path(self._XMLDesc(0), "/domain/memory")
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return int(mem) / 1024
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@ -554,6 +568,35 @@ class wvmInstance(wvmConnect):
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cpu_usage['cpu'] = 0
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return cpu_usage
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def set_vcpu(self, cpu_id, enabled):
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self.instance.setVcpu(str(cpu_id), enabled)
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def set_vcpu_hotplug(self, status, vcpus_hotplug=0):
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""" vcpus_hotplug = 0 make all vpus hotpluggable """
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vcpus_hotplug = int(self.get_vcpu()) if vcpus_hotplug == 0 else vcpus_hotplug
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if self.get_status() == 5: # shutoff
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if status:
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xml = """ <vcpus>"""
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xml += """<vcpu id='0' enabled='yes' hotpluggable='no' order='1'/>"""
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for i in range(1, vcpus_hotplug):
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xml += """<vcpu id='{}' enabled='yes' hotpluggable='yes' order='{}'/>""".format(i, i+1)
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xml += """</vcpus>"""
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tree = etree.fromstring(self._XMLDesc(0))
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vcpus = tree.xpath("/domain/vcpus")
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if not vcpus:
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tree.append(etree.fromstring(xml))
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self._defineXML(etree.tostring(tree))
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else:
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tree = etree.fromstring(self._XMLDesc(0))
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vcpus = tree.xpath("/domain/vcpus")
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for vcpu in vcpus:
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parent = vcpu.getparent()
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parent.remove(vcpu)
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self._defineXML(etree.tostring(tree))
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else:
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raise libvirtError("Please shutdown the instance then try to enable vCPU hotplug")
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def mem_usage(self):
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mem_usage = {}
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if self.get_status() == 1:
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@ -785,51 +828,27 @@ class wvmInstance(wvmConnect):
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parent.append(etree.fromstring(video_xml))
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self._defineXML(etree.tostring(tree))
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def resize(self, cur_memory, memory, cur_vcpu, vcpu, disks=[]):
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"""
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Function change ram and cpu on vds.
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"""
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memory = int(memory) * 1024
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cur_memory = int(cur_memory) * 1024
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# if dom is running change only ram
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if self.get_status() == VIR_DOMAIN_RUNNING:
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self.set_memory(cur_memory, VIR_DOMAIN_AFFECT_LIVE)
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self.set_memory(cur_memory, VIR_DOMAIN_AFFECT_CONFIG)
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return
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xml = self._XMLDesc(VIR_DOMAIN_XML_SECURE)
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tree = ElementTree.fromstring(xml)
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set_mem = tree.find('memory')
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set_mem.text = str(memory)
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set_cur_mem = tree.find('currentMemory')
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set_cur_mem.text = str(cur_memory)
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set_vcpu = tree.find('vcpu')
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set_vcpu.text = vcpu
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set_vcpu.set('current', cur_vcpu)
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for disk in disks:
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source_dev = disk['path']
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vol = self.get_volume_by_path(source_dev)
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vol.resize(disk['size_new'])
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new_xml = ElementTree.tostring(tree)
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self._defineXML(new_xml)
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def resize_cpu(self, cur_vcpu, vcpu):
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"""
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Function change ram and cpu on vds.
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Function change ram and cpu on instance.
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"""
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is_vcpus_enabled = self.get_vcpus()
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if is_vcpus_enabled:
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self.set_vcpu_hotplug(False)
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xml = self._XMLDesc(VIR_DOMAIN_XML_SECURE)
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tree = ElementTree.fromstring(xml)
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tree = etree.fromstring(xml)
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set_vcpu = tree.find('vcpu')
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set_vcpu.text = vcpu
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set_vcpu.set('current', cur_vcpu)
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new_xml = ElementTree.tostring(tree)
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new_xml = etree.tostring(tree)
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self._defineXML(new_xml)
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if is_vcpus_enabled:
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self.set_vcpu_hotplug(True, int(cur_vcpu))
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def resize_mem(self, cur_memory, memory):
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"""
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Function change ram and cpu on vds.
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