def onError(self, results, config):
ds0 = config.datasources[0]
client = txovirt.getClient(ds0.zOVirtUrl,
ds0.zOVirtUser,
ds0.zOVirtDomain,
ds0.zOVirtPassword)
# Try to reset the login connection on an error.
client.login()
errmsg = "ovirt: %s" % results.getErrorMessage()
log.error('%s %s', config.id, errmsg)
data = self.new_data()
data['events'].append({
'eventClassKey': 'oVirtEventCollectionError',
'eventKey': eventKey(config),
'eventClass': '/Status/',
'summary': errmsg,
'device': config.id,
'severity': 4,
})
return data
def onSuccess(self, results, config):
data = self.new_data()
event_tree = etree.parse(StringIO(results))
for event in event_tree.xpath('/events/*'):
id = event.xpath('@id')[0]
description = event.xpath('description/text()')[0]
# Dont send alerts for logins and logouts
if 'logged in' in description:
continue
if 'logged out' in description:
continue
code = event.xpath('code/text()')[0]
severity = event.xpath('severity/text()')[0]
origin = event.xpath('origin/text()')[0]
custom_id = event.xpath('custom_id/text()')[0]
flood_rate = event.xpath('flood_rate/text()')[0]
try:
correlation_id = event.xpath('correlation_id/text()')[0]
except:
correlation_id = ""
rcvtime = xml.utils.iso8601.parse(event.xpath('time/text()')[0])
#Process severity
if not severity:
severity = 3
severity = SEVERITY_MAP.get(severity, 3)
event_type = EVENT_TYPE_MAP.get(int(code), 'Unknown (%s)' % code)
# if the component type is in the event_type use that to set the component for the event.
component = None
#for key in [key for key in event.keys() if key not in ['code', 'description', 'time', 'text', 'href', 'user', 'time', 'id', 'severity']]:
for key in [e.tag for e in event.getchildren()
if e.tag not in ['code',
'description',
'time',
'text',
'href',
'user',
'time',
'correlation_id',
'origin',
'custom_id',
'flood_rate',
'id',
'severity']]:
if key.lower() in event_type.lower():
component = event.xpath('%s/@id' % key)[0]
continue
# If we dont have a component at this point try and map it out to known component types.
# vm -> cluster -> host
event_keys = [e.tag for e in event.getchildren()]
if not component:
if 'vm' in event_keys:
component = event.xpath('%s/@id' % 'vm')[0]
elif 'cluster' in event_keys:
component = event.xpath('%s/@id' % 'cluster')[0]
elif 'host' in event_keys:
component = event.xpath('%s/@id' % 'host')[0]
elif 'data_center' in event_keys:
component = event.xpath('%s/@id' % 'data_center')[0]
elif 'storage_domain' in event_keys:
component = event.xpath('%s/@id' % 'storage_domain')[0]
#else:
# No component set this will be a device level event.
#print event_type
#print [key for key in event.keys() if key not in ['code', 'description', 'time', 'text', 'href', 'user', 'time', 'id', 'severity']]
evt = dict(
severity=int(severity),
summary=str(description),
message='%s: %s' % (str(event_type), str(description)),
eventKey='event_%s' % str(id),
eventClassKey='ovirt_alert',
rcvtime=rcvtime,
component=str(component),
ovirt_type=str(event_type),
correlation_id=str(correlation_id),
device=str(config.id),
)
# Don't add null components
if not component:
del evt['component']
# Use for generating clears later.
#new_event_ids.add(event['id'])
#if event['id'] in last_event_ids:
# continue
data['events'].append(evt)
ids = event_tree.xpath('*/@id')
if ids:
id = max(ids)
if id:
ds0 = config.datasources[0]
key = "%s%s%s_%s" % (ds0.zOVirtUrl,
ds0.zOVirtUser,
ds0.zOVirtDomain,
ds0.zOVirtPassword)
self.last_event[key] = id
self._save(config, self.last_event, key='events')
data['events'].append({
'eventClassKey': 'oVirtEventCollectionSuccess',
'eventKey': eventKey(config),
'summary': 'ovirt: event successful collection',
'eventClass': '/Status/',
'device': config.id,
'severity': 0,
})
return data
def onSuccess(self, results, config):
data = self.new_data()
root = etree.Element('root')
# Find and save the cluster tree
for result in results[0]:
tree = etree.parse(StringIO(result))
root.append(tree.getroot())
if tree.getroot().tag == 'clusters':
cluster_tree = tree
for result in results[0]:
result_tree = etree.parse(StringIO(result))
if result_tree.getroot().tag == 'storage_domains':
count = len(result_tree.getroot().getchildren())
addCount(root, [config.id], 'storagedomainCount', count)
elif result_tree.getroot().tag == 'clusters':
count = len(result_tree.getroot().getchildren())
addCount(root, [config.id], 'clusterCount', count)
data_centers = result_tree.xpath('//data_center/@id')
addCount(root, data_centers, 'clusterCount')
elif result_tree.getroot().tag == 'data_centers':
count = len(result_tree.getroot().getchildren())
addCount(root, [config.id], 'datacenterCount', count)
elif result_tree.getroot().tag == 'hosts':
count = len(result_tree.getroot().getchildren())
addCount(root, [config.id], 'hostCount', count)
clusters = result_tree.xpath('//cluster/@id')
addCount(root, clusters, 'hostCount')
for cluster in clusters:
datacenter = cluster_tree.xpath('//cluster[@id="%s"]/data_center/@id' % cluster)
addCount(root, datacenter, 'hostCount', 1)
elif result_tree.getroot().tag == 'vms':
count = len(result_tree.getroot().getchildren())
addCount(root, [config.id], 'vmCount', count)
clusters = result_tree.xpath('//cluster/@id')
addCount(root, clusters, 'vmCount')
hosts = result_tree.xpath('//host/@id')
addCount(root, hosts, 'vmCount')
for cluster in clusters:
datacenter = cluster_tree.xpath('//cluster[@id="%s"]/data_center/@id' % cluster)
addCount(root, datacenter, 'vmCount', 1)
for result_stat in results[1]:
root.append(etree.parse(StringIO(result_stat)).getroot())
# This is the general format ...
#root.xpath('//*[*/@id="368bf44e-7d29-483a-8c2e-9a79962b1e48"][name/text()="disk.read.latency"]/values/value/datum/text()')[0]
for ds in config.datasources:
if ds.component:
component_id = prepId(ds.component)
else:
component_id = None
for point in ds.points:
# Handle percentage custom datapoints
if "ovirt:" in point.xpath and point.rpn and 'xpath' in ds.params:
resultsDict = {}
try:
xpath = talesEvalStr(ds.params['xpath'], context=None, extra=ds.params['context'])
statdata = [(x.xpath('name/text()'), x.xpath('values/value/datum/text()')) for x in root.xpath(xpath) if x.tag == 'statistic']
for item, val in statdata:
resultsDict[item[0]] = val[0]
rpnstring = talesEvalStr(point.rpn, context=None, extra={'here': resultsDict})
results = rpneval(rpnstring.split(',', 1)[0], rpnstring.split(',', 1)[1])
data['values'][component_id][point.id] = (results, 'N')
except Exception:
pass
# Do the rest using xpath
elif 'xpath' in ds.params:
try:
# Some points may not exist in the xml, skip those...
xpath = talesEvalStr(ds.params['xpath'], context=None, extra=ds.params['context'])
results = root.xpath(xpath+point.xpath)
if 'Count' in point.xpath and not results:
results = ['0']
results = results[0]
# If rpn is defined, lets calculate the new results.
if point.rpn:
results = rpneval(
results, talesEvalStr(point.rpn, context=None, extra=ds.params['context']))
data['values'][component_id][point.id] = (results, 'N')
except Exception:
pass
data['events'].append({
'eventClassKey': 'oVirtCollectionSuccess',
'eventKey': eventKey(config),
'summary': 'ovirt: successful collection',
'eventClass': '/Status/Perf/',
'device': config.id,
'severity': 0,
})
return data
