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\f0\fs24 \cf0 import collectd\
from novaclient import client as NovaClient\
from novaclient import exceptions\
import traceback\
\
#== Our Own Functions go here: ==#\
def configer(ObjConfiguration):\
   collectd.debug('Configuring Stuff') \
\
def initer():\
    collectd.debug('initing stuff')\
\
def reader(input_data=None):\
    metric = collectd.Values();\
    metric.plugin = 'nova_plugin'\
    metric.type = 'hypervisor_hostname_list'\
\
    client = NovaClient.Client('2', \'91myuser\'92, \'91mypassword\'92, 'services', 'https://svl-fab7-lab1.cisco.com:5\
000/v2.0')\
    hypervisor_hostname_list = client.hypervisors.list()\
    total_count = len(hypervisor_hostname_list)\
    metric.values = [len(hypervisor_hostname_list)]\
    metric.host = 'OverwritenHostname'\
    metric.dispatch()\
    for  i in range(0, total_count): \
        metric.type = 'hypervisor_hostname_current_workload'\
        metric.values = [hypervisor_hostname_list[i].current_workload]\
        metric.dispatch()\
        metric.type = 'hypervisor_hostname_vcpus'\
        metric.values = [hypervisor_hostname_list[i].vcpus]\
        metric.dispatch()\
        metric.type = 'hypervisor_hostname_version'\
        metric.values = [hypervisor_hostname_list[i].hypervisor_version]\
        metric.dispatch()\
        metric.type = 'hypervisor_hostname_vcpus_used'\
        metric.values = [hypervisor_hostname_list[i].vcpus_used]\
        metric.dispatch()\
    \
\
def write(val, data=None):\
    '''Prepare value before writing '''\
    client = NovaClient.Client('2', \'91myuser\'92, \'91mypassword\'92, 'services', 'https://svl-fab7-lab1.cisco.com:5\
000/v2.0')\
    hypervisor_hostname_list = client.hypervisors.list()\
    for data in hypervisor_hostname_list[:]:\
        hypervisor_hostname_current_workload = data.current_workload\
        hypervisor_hostname_free_disk_gb = data.free_disk_gb\
        hypervisor_hostname_free_RAM_mb = data.free_ram_mb\
        hypervisor_hostname_version = data.hypervisor_version\
        hypervisor_hostname_memory_mb = data.memory_mb\
        hypervisor_hostname_memory_used_mb = data.memory_mb_used\
        hypervisor_hostname_vcpus = data.vcpus\
        hypervisor_hostname_vcpus_used = data.vcpus_used\
        collectd.info('skher: writing data (val=%r, data=%r)' % (val, data))\
    for v in val.values:\
        collectd.info("skher: writing %s (%s): %f" % (val.plugin, val.type, v))\
\
#== Hook Callbacks, Order is important! ==#\
collectd.register_config(configer)\
collectd.register_init(initer)\
collectd.register_read(reader)\
collectd.register_write(write)\
}