4.3.11. Determine the max memory of the Domain

⁠4.3.11. Determine the max memory of the Domain

The maxMemory method returns the maximum memory allocated to the domain, This same information may be retrieved via the info method.

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Example 4.17. Determine the max memory of the Domain

# Example-53.py
#!/usr/bin/env python3
import sys
import libvirt
from xml.dom import minidom

domName = 'CentOS7'

conn = None
try:
    conn = libvirt.open("qemu:///system")
except libvirt.libvirtError as e:
    print(repr(e), file=sys.stderr)
    exit(1)

dom = None
try:
    dom = conn.lookupByName(domName)
except libvirt.libvirtError as e:
    print(repr(e), file=sys.stderr)
    exit(1)

mem = dom.maxMemory()
if mem > 0:
    print('The max memory for domain is ' + str(mem) + 'MB')
else:
    print('There was an error.')

conn.close()
exit(0)