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Add migration selector via free memory

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Closes #152
This commit is contained in:
Joshua Boniface
2022-05-18 03:47:16 -04:00
parent baf5a132ff
commit a40a69816d
2 changed files with 22 additions and 2 deletions
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22
daemon-common/common.py
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@ -639,6 +639,8 @@ def findTargetNode(zkhandler, dom_uuid):
# Execute the search
if search_field == "mem":
return findTargetNodeMem(zkhandler, node_limit, dom_uuid)
if search_field == "memfree":
return findTargetNodeMemFree(zkhandler, node_limit, dom_uuid)
if search_field == "load":
return findTargetNodeLoad(zkhandler, node_limit, dom_uuid)
if search_field == "vcpus":
@ -677,7 +679,7 @@ def getNodes(zkhandler, node_limit, dom_uuid):
#
# via free memory (relative to allocated memory)
# via allocated memory
#
def findTargetNodeMem(zkhandler, node_limit, dom_uuid):
most_provfree = 0
@ -698,6 +700,24 @@ def findTargetNodeMem(zkhandler, node_limit, dom_uuid):
return target_node
#
# via free memory
#
def findTargetNodeMemFree(zkhandler, node_limit, dom_uuid):
most_memfree = 0
target_node = None
node_list = getNodes(zkhandler, node_limit, dom_uuid)
for node in node_list:
memfree = int(zkhandler.read(("node.memory.free", node)))
if memfree > most_memfree:
most_memfree = memfree
target_node = node
return target_node
#
# via load average
#