49 lines
1.1 KiB
Python
49 lines
1.1 KiB
Python
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#!/usr/bin/env python3
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import os, sys, libvirt, uuid
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#
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# Generic function helpers for PVC
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#
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# > lookupByUUID
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# This function is a wrapper for libvirt.lookupByUUID which fixes some problems
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# 1. Takes a text UUID and handles converting it to bytes
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# 2. Disables stdout to avoid stupid printouts
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# 3. Try's it and returns a sensible value if not
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def lookupByUUID(tuuid):
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dom = None
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# Convert the text UUID to bytes
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buuid = uuid.UUID(tuuid).bytes
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# Disable stdout
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sys.stdout = open(os.devnull, 'w')
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# Try
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try:
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# Open a libvirt connection
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libvirt_name = "qemu:///system"
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conn = libvirt.open(libvirt_name)
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if conn == None:
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print('>>> %s - Failed to open local libvirt connection.' % self.domuuid)
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return dom
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# Lookup the UUID
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dom = conn.lookupByUUID(buuid)
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# Close the libvirt connection
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conn.close()
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# Fail
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except:
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# Close the libvirt connection
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if conn != None:
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conn.close()
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# Enable stdout
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sys.stdout = sys.__stdout__
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# Return the dom object (or None)
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return dom
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