def agr_busy(self):
""" Collector for average disk busyness per aggregate
As of Nov 22nd 2013 there is no API call for agr busyness.
You have to collect all disk busyness and then compute agr
busyness. #fml
"""
c1 = {} # Counters from time a
c2 = {} # Counters from time b
disk_results = {} # Disk busyness results %
agr_results = {} # Aggregate busyness results $
names = ["disk_busy", "base_for_disk_busy", "raid_name", "base_for_disk_busy", "instance_uuid"]
netapp_api = NaElement("perf-object-get-instances")
netapp_api.child_add_string("objectname", "disk")
disk_1 = self.get_netapp_elem(netapp_api, "instances")
time.sleep(1)
disk_2 = self.get_netapp_elem(netapp_api, "instances")
for instance_data in disk_1:
temp = {}
for element in instance_data.findall(".//counters/counter-data"):
if element.find("name").text in names:
temp[element.find("name").text] = element.find("value").text
agr_name = temp["raid_name"]
agr_name = agr_name[agr_name.find("/", 0) : agr_name.find("/", 1)]
temp["raid_name"] = agr_name.lstrip("/")
c1[temp.pop("instance_uuid")] = temp
for instance_data in disk_2:
temp = {}
for element in instance_data.findall(".//counters/counter-data"):
if element.find("name").text in names:
temp[element.find("name").text] = element.find("value").text
agr_name = temp["raid_name"]
agr_name = agr_name[agr_name.find("/", 0) : agr_name.find("/", 1)]
temp["raid_name"] = agr_name.lstrip("/")
c2[temp.pop("instance_uuid")] = temp
for item in c1:
t_c1 = int(c1[item]["disk_busy"]) # time_counter_1
t_b1 = int(c1[item]["base_for_disk_busy"]) # time_base_1
t_c2 = int(c2[item]["disk_busy"])
t_b2 = int(c2[item]["base_for_disk_busy"])
disk_busy = 100 * (t_c2 - t_c1) / (t_b2 - t_b1)
if c1[item]["raid_name"] in disk_results:
disk_results[c1[item]["raid_name"]].append(disk_busy)
else:
disk_results[c1[item]["raid_name"]] = [disk_busy]
for aggregate in disk_results:
agr_results[aggregate] = sum(disk_results[aggregate]) / len(disk_results[aggregate])
for aggregate in agr_results:
self.push("avg_busy", "aggregate." + aggregate, agr_results[aggregate])
def __init__(self, device, ip, user, password, parent):
""" Collectors our metrics for our netapp filer
"""
self.device = device
self.ip = ip
self.netapp_user = user
self.netapp_password = password
self.path_prefix = parent[0]
self.publish_metric = parent[1]
self.log = parent[2]
self._netapp_login()
# Grab our netapp XML
disk_xml = self.get_netapp_elem(
NaElement('disk-list-info'), 'disk-details')
storage_disk_xml = self.get_netapp_elem(
NaElement('storage-disk-get-iter'), 'attributes-list')
# Our metric collection and publishing goes here
self.zero_disk(disk_xml)
self.spare_disk(disk_xml)
self.maintenance_center(storage_disk_xml)
self.consistency_point()
self.agr_busy()
def consistency_point(self):
""" Collector for getting count of consistancy points
"""
cp_delta = {}
xml_path = "instances/instance-data/counters"
netapp_api = NaElement("perf-object-get-instances")
netapp_api.child_add_string("objectname", "wafl")
instance = NaElement("instances")
instance.child_add_string("instance", "wafl")
counter = NaElement("counters")
counter.child_add_string("counter", "cp_count")
netapp_api.child_add(counter)
netapp_api.child_add(instance)
cp_1 = self.get_netapp_elem(netapp_api, xml_path)
time.sleep(3)
cp_2 = self.get_netapp_elem(netapp_api, xml_path)
for element in cp_1:
if element.find("name").text == "cp_count":
cp_1 = element.find("value").text.rsplit(",")
break
for element in cp_2:
if element.find("name").text == "cp_count":
cp_2 = element.find("value").text.rsplit(",")
break
if not type(cp_2) is list or not type(cp_1) is list:
log.error("consistency point data not available for filer: %s" % self.device)
return
cp_1 = {
"wafl_timer": cp_1[0],
"snapshot": cp_1[1],
"wafl_avail_bufs": cp_1[2],
"dirty_blk_cnt": cp_1[3],
"full_nv_log": cp_1[4],
"b2b": cp_1[5],
"flush_gen": cp_1[6],
"sync_gen": cp_1[7],
"def_b2b": cp_1[8],
"con_ind_pin": cp_1[9],
"low_mbuf_gen": cp_1[10],
"low_datavec_gen": cp_1[11],
}
cp_2 = {
"wafl_timer": cp_2[0],
"snapshot": cp_2[1],
"wafl_avail_bufs": cp_2[2],
"dirty_blk_cnt": cp_2[3],
"full_nv_log": cp_2[4],
"b2b": cp_2[5],
"flush_gen": cp_2[6],
"sync_gen": cp_2[7],
"def_b2b": cp_2[8],
"con_ind_pin": cp_2[9],
"low_mbuf_gen": cp_2[10],
"low_datavec_gen": cp_2[11],
}
for item in cp_1:
c1 = int(cp_1[item])
c2 = int(cp_2[item])
cp_delta[item] = c2 - c1
for item in cp_delta:
self.push(item + "_CP", "system.system", cp_delta[item])
def agr_busy(self):
""" Collector for average disk busyness per aggregate
As of Nov 22nd 2013 there is no API call for agr busyness.
You have to collect all disk busyness and then compute agr
busyness. #fml
"""
c1 = {} # Counters from time a
c2 = {} # Counters from time b
disk_results = {} # Disk busyness results %
agr_results = {} # Aggregate busyness results $
names = ['disk_busy', 'base_for_disk_busy', 'raid_name',
'base_for_disk_busy', 'instance_uuid']
netapp_api = NaElement('perf-object-get-instances')
netapp_api.child_add_string('objectname', 'disk')
disk_1 = self.get_netapp_elem(netapp_api, 'instances')
time.sleep(1)
disk_2 = self.get_netapp_elem(netapp_api, 'instances')
for instance_data in disk_1:
temp = {}
for element in instance_data.findall(".//counters/counter-data"):
if element.find('name').text in names:
temp[element.find('name').text] = element.find('value').text
agr_name = temp['raid_name']
agr_name = agr_name[agr_name.find('/', 0):agr_name.find('/', 1)]
temp['raid_name'] = agr_name.lstrip('/')
c1[temp.pop('instance_uuid')] = temp
for instance_data in disk_2:
temp = {}
for element in instance_data.findall(".//counters/counter-data"):
if element.find('name').text in names:
temp[element.find('name').text] = element.find('value').text
agr_name = temp['raid_name']
agr_name = agr_name[agr_name.find('/', 0):agr_name.find('/', 1)]
temp['raid_name'] = agr_name.lstrip('/')
c2[temp.pop('instance_uuid')] = temp
for item in c1:
t_c1 = int(c1[item]['disk_busy']) # time_counter_1
t_b1 = int(c1[item]['base_for_disk_busy']) # time_base_1
t_c2 = int(c2[item]['disk_busy'])
t_b2 = int(c2[item]['base_for_disk_busy'])
disk_busy = 100 * (t_c2 - t_c1) / (t_b2 - t_b1)
if c1[item]['raid_name'] in disk_results:
disk_results[c1[item]['raid_name']].append(disk_busy)
else:
disk_results[c1[item]['raid_name']] = [disk_busy]
for aggregate in disk_results:
agr_results[aggregate] = \
sum(disk_results[aggregate]) / len(disk_results[aggregate])
for aggregate in agr_results:
self.push('avg_busy', 'aggregate.' + aggregate,
agr_results[aggregate])
def consistency_point(self):
""" Collector for getting count of consistancy points
"""
cp_delta = {}
xml_path = 'instances/instance-data/counters'
netapp_api = NaElement('perf-object-get-instances')
netapp_api.child_add_string('objectname', 'wafl')
instance = NaElement('instances')
instance.child_add_string('instance', 'wafl')
counter = NaElement('counters')
counter.child_add_string('counter', 'cp_count')
netapp_api.child_add(counter)
netapp_api.child_add(instance)
cp_1 = self.get_netapp_elem(netapp_api, xml_path)
time.sleep(3)
cp_2 = self.get_netapp_elem(netapp_api, xml_path)
for element in cp_1:
if element.find('name').text == 'cp_count':
cp_1 = element.find('value').text.rsplit(',')
break
for element in cp_2:
if element.find('name').text == 'cp_count':
cp_2 = element.find('value').text.rsplit(',')
break
if not type(cp_2) is list or not type(cp_1) is list:
log.error("consistency point data not available for filer: %s"
% self.device)
return
cp_1 = {
'wafl_timer': cp_1[0],
'snapshot': cp_1[1],
'wafl_avail_bufs': cp_1[2],
'dirty_blk_cnt': cp_1[3],
'full_nv_log': cp_1[4],
'b2b': cp_1[5],
'flush_gen': cp_1[6],
'sync_gen': cp_1[7],
'def_b2b': cp_1[8],
'con_ind_pin': cp_1[9],
'low_mbuf_gen': cp_1[10],
'low_datavec_gen': cp_1[11]
}
cp_2 = {
'wafl_timer': cp_2[0],
'snapshot': cp_2[1],
'wafl_avail_bufs': cp_2[2],
'dirty_blk_cnt': cp_2[3],
'full_nv_log': cp_2[4],
'b2b': cp_2[5],
'flush_gen': cp_2[6],
'sync_gen': cp_2[7],
'def_b2b': cp_2[8],
'con_ind_pin': cp_2[9],
'low_mbuf_gen': cp_2[10],
'low_datavec_gen': cp_2[11]
}
for item in cp_1:
c1 = int(cp_1[item])
c2 = int(cp_2[item])
cp_delta[item] = c2 - c1
for item in cp_delta:
self.push(item + '_CP', 'system.system', cp_delta[item])
