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Add ability to resize only vm memory while it is running.

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This commit is contained in:
catborise 2018-11-20 17:07:19 +03:00
parent 45720d3bcf
commit 44d73cc780
3 changed files with 13 additions and 3 deletions
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2
instances/templates/instance.html
View file

@ -416,7 +416,7 @@
{% ifequal status 5 %}
<button type="submit" class="btn btn-lg btn-success pull-right" name="resize">{% trans "Resize" %}</button>
{% else %}
<button class="btn btn-lg btn-success pull-right disabled">{% trans "Resize" %}</button>
<button class="btn btn-lg btn-success pull-right disabled" name="resize">{% trans "Resize" %}</button>
{% endifequal %}
</form>
{% else %}

2
instances/views.py
View file

@ -265,7 +265,7 @@ def instance(request, compute_id, vname):
networks = conn.get_net_device()
vcpu_range = conn.get_max_cpus()
memory_range = [256, 512, 768, 1024, 2048, 4096, 6144, 8192, 16384]
memory_range = [256, 512, 768, 1024, 2048, 3072, 4096, 6144, 8192, 16384]
if memory not in memory_range:
insort(memory_range, memory)
if cur_memory not in memory_range:

12
vrtManager/instance.py
View file

@ -1,7 +1,8 @@
import time
import os.path
try:
from libvirt import libvirtError, VIR_DOMAIN_XML_SECURE, VIR_MIGRATE_LIVE, VIR_MIGRATE_UNSAFE
from libvirt import libvirtError, VIR_DOMAIN_XML_SECURE, VIR_MIGRATE_LIVE, VIR_MIGRATE_UNSAFE, VIR_DOMAIN_RUNNING, \
VIR_DOMAIN_AFFECT_LIVE, VIR_DOMAIN_AFFECT_CONFIG
except:
from libvirt import libvirtError, VIR_DOMAIN_XML_SECURE, VIR_MIGRATE_LIVE
from vrtManager import util
@ -614,8 +615,14 @@ class wvmInstance(wvmConnect):
"""
Function change ram and cpu on vds.
"""
memory = int(memory) * 1024
cur_memory = int(cur_memory) * 1024
# if dom is running change only ram
if self.get_status() == VIR_DOMAIN_RUNNING:
self.set_memory(cur_memory, VIR_DOMAIN_AFFECT_LIVE)
self.set_memory(cur_memory, VIR_DOMAIN_AFFECT_CONFIG)
return
xml = self._XMLDesc(VIR_DOMAIN_XML_SECURE)
tree = ElementTree.fromstring(xml)
@ -906,3 +913,6 @@ class wvmInstance(wvmConnect):
new_xml = ElementTree.tostring(tree)
self._defineXML(new_xml)
def set_memory(self, size, flags=0):
self.instance.setMemoryFlags(size, flags)