Re: [ovirt-users] Script to determine which Hypervisor a VM is running on

2014-06-17 Thread John Gardeniers
Hi Citros,

I have this Python script I wrote to get VM information from Red Hat
Virtualization which I believe should work for Ovirt as well. I should
point out that I'm not a Python user normally and actually hate the
language. If the formatting gets screwed I can email you a copy.

To use it either run it without parameters to get a list of all VMs or
run it with "-n vm_name" (case sensitive) to list just a single VM.

[code]
#! /usr/bin/python

from __future__ import division
from ovirtsdk.api import API
from ovirtsdk.xml import params
from optparse import OptionParser
import os
import sys
import urllib

## Edit the following three items as necesary
rhevman = 'https://your_rhev_manager'
user = 'admin@internal'
password = 'user_password'

cert = '/tmp/rhevm.cer'

## Format numbers
def factor(value):
str = 'Bytes'
if (value >= 1024):
value /= 1024
str = 'KB'
if (value >= 1024):
value /= 1024
str = 'MB'
if (value >= 1024):
value /= 1024
str = 'GB'
return '%s %s' % (('%f' % value).rstrip('0').rstrip('.'), str)

## Ensure we have the server ca certificate
if (not os.path.isfile(cert)):
print "Certificate file not found. Trying to download it."
urllib.urlretrieve (rhevman + '/ca.crt', cert)

## Find out what is being asked for
vmname = ''
parser = OptionParser()
parser.add_option('-n', '--name', dest='vmname', default='',
action='store', help='Specify the name of a single VM (case sensitive)')
(options, args) = parser.parse_args()
vmname = options.vmname
hostnames = {}

try:
## Connect to the API
api = API (url=rhevman, username=user, password=password, ca_file=cert)

try:
## Get the list of hypervisors for use later on
for host in api.hosts.list():
hostnames[host.id] = host.name

## Are we after a single VM or the entire list?
if (len(vmname) > 0):
print 'Retrieving information for %s' % vmname
vmsList = api.vms.list(query = 'name=%s' % vmname)
else:
print 'Retrieving information for all VMs'
vmsList = api.vms.list(max = -1)
print 'Found %d VMs' % len(vmsList)

# Get the VM details
for instance in vmsList:
address=[]
print '\nVM: %s' % instance.name
host = instance.get_host()
print '\tState: %s\n\tDescription: %s\n\tComment: %s' %
(instance.status.state, instance.description, instance.comment)

if (host):
print '\tHost: %s' % hostnames[host.id]

createtime = instance.get_creation_time()
print '\tCreated: %s' % createtime
starttime = instance.get_start_time()
print '\tStarted: %s' % starttime
cpu = instance.get_cpu()
print '\tCPU: %s (%s sockets, %s cores)' %
(cpu.topology.sockets*cpu.topology.cores, cpu.topology.sockets,
cpu.topology.cores)
ram = instance.get_memory()
print '\tRAM: %s' % factor(ram)
disks = instance.get_disks().list()

for disk in disks:
print '\tDisk: %s %s' % (disk.name, factor(disk.size))

if ((instance.status.state == 'up') and
instance.get_guest_info()):
vmnics= instance.get_nics().list()
ips = instance.get_guest_info().get_ips().get_ip()

for card in vmnics:
print '\tInterface: %s, MAC address: %s' %
(card.name, card.mac.address)

for ip in ips:
address.append(ip.get_address())
print '\tIP: %s' % ( ip.get_address())

except Exception as e:
print ' Exception:\n%s' % str(e)

api.disconnect()

except Exception as ex:
print 'Unexpected error: %s' % ex
[/code]

regards,
John


On 18/06/14 00:59, Citros Airv wrote:
> Hi,
>
> I'm checking to see if someone has a script to determine where a VM is
> running preferably with the shell?
>
> Thanks,
>
> VS
>
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[ovirt-users] Script to determine which Hypervisor a VM is running on

2014-06-17 Thread Citros Airv
Hi,

I'm checking to see if someone has a script to determine where a VM is
running preferably with the shell?

Thanks,

VS
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