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Add provisioned memory to node info

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Adds a separate field to the node memory, "provisioned", which totals
the amount of memory provisioned to all VMs on the node, regardless of
state, and in contrast to "allocated" which only counts running VMs.

Allows for the detection of potential overprovisioned states when
factoring in non-running VMs.

Includes the supporting code to get this data, since the original
implementation of VM memory selection was dependent on the VM being
running and getting this from libvirt. Now, if the VM is not active, it
gets this from the domain XML instead.
This commit is contained in:
Joshua Boniface
2020-10-18 14:02:34 -04:00
parent 9d7067469a
commit a4b80be5ed
6 changed files with 99 additions and 47 deletions
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6
docs/manuals/swagger.json
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@ -427,13 +427,17 @@
"memory": {
"properties": {
"allocated": {
"description": "The total amount of RAM allocated to domains in MB",
"description": "The total amount of RAM allocated to running domains in MB",
"type": "integer"
},
"free": {
"description": "The total free RAM on the node in MB",
"type": "integer"
},
"provisioned": {
"description": "The total amount of RAM provisioned to all domains (regardless of state) on this node in MB",
"type": "integer"
},
"total": {
"description": "The total amount of node RAM in MB",
"type": "integer"