def collect(self, config):
data = self.new_data()
for ds in config.datasources:
self.component = ds.component
region = ds.params['region']
ec2_conn = TwistedEC2Connection.adapt(boto.ec2.connect_to_region(
region,
aws_access_key_id=ds.ec2accesskey,
aws_secret_access_key=ds.ec2secretkey,
))
instances = yield ec2_conn.get_only_instances(ds.component)
instance = instances.pop()
c = yield self.unreserved_instance_count(ec2_conn, instance)
event = None
if c == 1:
event = 'This instance could be reserved'
elif c > 1:
event = 'There are {0} instances of this type in this ' \
'availability zone which could be reserved'.format(c)
if event:
data['events'].append({
'summary': event,
'device': config.id,
'component': ds.component,
'severity': ZenEventClasses.Info,
'eventClass': '/AWS/Suggestion',
})
defer.returnValue(data)
def connect_to_region(self, ds):
region = ds.params['region']
if CONNECTION_TYPE.get(ds.template) == 'ec2':
self.ec2regionconn = TwistedEC2Connection.adapt(boto.ec2.connect_to_region(
region,
aws_access_key_id=ds.ec2accesskey,
aws_secret_access_key=ds.ec2secretkey,
))
else:
self.vpcregionconn = TwistedVPCConnection.adapt(boto.vpc.connect_to_region(
region,
aws_access_key_id=ds.ec2accesskey,
aws_secret_access_key=ds.ec2secretkey,
))
def collect(self, config):
data = self.new_data()
for ds in config.datasources:
self.component = ds.component
region = ds.params['region']
ec2regionconn = TwistedEC2Connection.adapt(boto.ec2.connect_to_region(
region,
aws_access_key_id=ds.ec2accesskey,
aws_secret_access_key=ds.ec2secretkey
))
try:
zones = yield ec2regionconn.get_all_zones(ds.component)
except Exception as ex:
log.error("Unable to get zones for %s region, "
"plugin: %s, template: %s, datasource: %s, "
"device: %s, component: %s, %s",
region, ds.plugin_classname, ds.template,
ds.datasource, ds.device, ds.component, str(ex))
else:
zone = zones.pop()
if zone.state == 'available':
severity = ZenEventClasses.Clear
data['events'].append({
'summary': "Monitoring Ok",
'component': ds.component,
'severity': severity,
'eventKey': 'aws_result',
'eventClass': '/Status',
})
else:
severity = ZenEventClasses.Warning
data['events'].append({
'summary': 'Zone state is {0}'.format(zone.state),
'component': ds.component,
'eventKey': 'ZoneStatus',
'severity': severity,
'eventClass': '/Status',
})
data['maps'].append(ObjectMap({
"compname": "regions/%s/zones/%s" % (
region, ds.component),
"modname": "Zone state",
"state": zone.state
}))
defer.returnValue(data)
def collect(self, config):
data = self.new_data()
instance_states = {}
for ds in config.datasources:
region_id = self.component = ds.component
ec2regionconn = TwistedEC2Connection.adapt(boto.ec2.connect_to_region(
region_id,
aws_access_key_id=ds.ec2accesskey,
aws_secret_access_key=ds.ec2secretkey,
))
vpcregionconn = TwistedVPCConnection.adapt(boto.vpc.connect_to_region(
region_id,
aws_access_key_id=ds.ec2accesskey,
aws_secret_access_key=ds.ec2secretkey,
))
instances_d = ec2regionconn.get_only_instances(
filters=INSTANCE_FILTERS
)
volumes_d = ec2regionconn.get_all_volumes()
elastic_ips_d = ec2regionconn.get_all_addresses()
subnets_d = vpcregionconn.get_all_subnets()
groups_d = ec2regionconn.get_all_security_groups()
# Retrieve this data in parallel (per region)
deferreds = [instances_d, volumes_d, elastic_ips_d, subnets_d, groups_d]
labels = ('Instances', 'Volumes', 'Elastic IPs', 'Subnets', 'Security Groups')
results = yield defer.DeferredList(deferreds, consumeErrors=True)
values = {}
instances = volumes = []
for i in range(len(results)):
success, result = results[i]
if not success:
log.error("Error retrieving %s for %s: %s",
labels[i], region_id, result.getErrorMessage())
# Give up on this region, since some of the data
# couldn't be retrieved successfully.
continue
if i == 0:
values['instances_count'] = (len(result), 'N')
instances = result
elif i == 1:
values['volumes_count'] = (len(result), 'N')
volumes = result
elif i == 2:
values['elastic_ips_count'] = (len(result), 'N')
elif i == 3:
values['subnets_count'] = (len(result), 'N')
elif i == 4:
values['vpc_security_groups_count'] = (len(result), 'N')
rules_count = 0
for group in result:
rules_count = max(len(group.rules), rules_count)
values['vpc_security_rules_count'] = (rules_count, 'N')
else:
raise ValueError("Error retrieving %s for %s: %s" %
(labels[i], region_id, result.getErrorMessage()))
data['values'][region_id] = values
# Previously zAWSRemodelEnabled was a string, fix for this case
if str(ds.zAWSRemodelEnabled).lower() == 'true':
instances_relmap = yield get_instances_relmap(
region_id, ds, instances, [], instance_states, ec2regionconn)
data['maps'].append(instances_relmap)
else:
# InstanceState moved here for optimization
ins_res = {}
# update instance map only when there are new instances
if len(instances) > 0:
for instance in instances:
ins_res[prepId(instance.id)] = instance.state
data['maps'].append(ObjectMap({
"compname": "regions/%s" % region_id,
"modname": "Instances states",
"setInstancesStates": ins_res
}))
# VolumeState moved here for optimization
vol_res = {}
# update volume map only when there are new volumes
if len(volumes) > 0:
for volume in volumes:
vol_res[prepId(volume.id)] = volume.status
data['maps'].append(ObjectMap({
"compname": "regions/%s" % region_id,
"modname": "Volumes states",
"setVolumesStatuses": vol_res
}))
ds0 = config.datasources[0]
if str(ds0.zAWSRemodelEnabled).lower() == 'true':
# Run "setDiscoverGuests" every time during the monitoring
data['maps'].append(ObjectMap({
"modname": "Guest update",
"setDiscoverGuests": False if ds0.getDiscoverGuests
else True,
}))
defer.returnValue(data)