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svtPromConnector.v4.2.py
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# -*- coding: utf-8 -*-
"""
Created on April 1, 2025
Version 4.2
Used for a Kubernetes deployment with configmaps instead of runtime arguments.
Copyright (c) 2020 Thomas Beha
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
https://www.gnu.org/licenses/gpl-3.0.en.html
This release of the Prometheus Connector requires: SimpliVityClass v4.0
"""
from cryptography.fernet import *
from lxml import etree
import time
from SimpliVityClass import *
from datetime import datetime
from prometheus_client import Counter, Gauge, start_http_server, Info, Enum
import os
BtoGB=pow(1024,3)
BtoMB=pow(1024,2)
node_state={
'UNKOWN': 0,
'ALIVE': 1,
'SUSPECTED': 2,
'MANAGED': 3,
'FAULTY': 4,
'REMOVED': 5
}
vm_state={
'ALIVE': 1,
'DELETED': 2,
'REMOVED': 3
}
vm_ha_status={
'UNKOWN': 0,
'SAFE': 1,
'SYNCING': 2,
'DEGRADED': 3,
'DEFUNCT': 4,
'OUT_OF_SCOPE': 5,
'NOT_APPLICAPLE': 6
}
vm_power_state={
'UNKNOWN': 0,
'ON': 1,
'OFF': 2,
'SUSPENDED': 3
}
capacitymetric=[
'allocated_capacity',
'free_space',
'capacity_savings',
'used_capacity',
'used_logical_capacity',
'local_backup_capacity',
'remote_backup_capacity',
'stored_compressed_data',
'stored_uncompressed_data',
'stored_virtual_machine_data'
]
dedupmetric=[
'compression_ratio',
'deduplication_ratio',
'efficiency_ratio'
]
performancemetric=[
'read_iops',
'write_iops',
'read_throughput',
'write_throughput',
'read_latency',
'write_latency'
]
def logwriter(f, text):
output=str(datetime.today()) +": "+text+" \n"
print(output)
f.write(output)
def logopen(filename):
f = open(filename,'a')
f.write(str(datetime.today())+": Logfile opened \n")
return f
def logclose(f):
f.write(str(datetime.today())+": Logfile closed \n")
f.close()
def getPerformanceAverage(data):
if(len(data[0]['data_points']) > 0):
perf={
'read_iops': 0,
'write_iops': 0,
'read_throughput': 0,
'write_throughput': 0,
'read_latency': 0,
'write_latency': 0
}
for x in data:
if x['name'] == 'iops':
iops=x['data_points']
elif x['name'] == 'throughput':
throughput = x['data_points']
else:
latency = x['data_points']
""" Calculate the averages """
for i in range(len(iops)):
perf['read_iops'] += iops[i]['reads']
perf['write_iops'] += iops[i]['writes']
for i in range(len(throughput)):
perf['read_throughput'] += throughput[i]['reads']
perf['write_throughput'] += throughput[i]['writes']
for i in range(len(latency)):
perf['read_latency'] += latency[i]['reads']
perf['write_latency'] += latency[i]['writes']
perf['read_latency'] /= len(latency)
perf['write_latency'] /= len(latency)
perf['read_iops'] /= len(iops)
perf['write_iops'] /= len(iops)
perf['read_throughput'] /= (len(throughput) * BtoMB)
perf['write_throughput'] /= (len(throughput) * BtoMB)
else:
perf={
'read_iops': -1,
'write_iops': -1,
'read_throughput': -1,
'write_throughput': -1,
'read_latency': -1,
'write_latency': -1
}
return(perf)
def getNodeCapacity(data):
ndata={
'allocated_capacity': 0,
'free_space': 0,
'capacity_savings': 0,
'used_capacity': 0,
'used_logical_capacity': 0,
'local_backup_capacity': 0,
'remote_backup_capacity': 0,
'stored_compressed_data': 0,
'stored_uncompressed_data': 0,
'stored_virtual_machine_data': 0,
'compression_ratio': 0,
'deduplication_ratio': 0,
'efficiency_ratio': 0
}
for y in data:
if len(y['data_points']) > 0:
tmp = y['data_points'][-1]['value']
else:
tmp = -1
if 'ratio' in y['name']:
ndata[y['name']]=tmp
else:
ndata[y['name']] = tmp/BtoGB
return ndata
### Main ###########################################################################
if __name__ == "__main__":
""" read the key and input file"""
""" Debug: """
"""
path= os.getcwd()
keyfile= path+'\\svttest.key'
xmlfile= path+'\\svttest.xml'
print("Path: ", path)
print("Keyfile: ", keyfile)
print("XMLfile: ", xmlfile)
"""
path = '/opt/svt/'
keyfile = path + 'data/svtconnector.key'
xmlfile = path + 'data/svtconnector.xml'
t0=time.time()
""" Parse XML File """
tree = etree.parse(xmlfile)
u2=(tree.find("user")).text
p2=(tree.find("password")).text
ovc=(tree.find("ovc")).text
mintervall=int((tree.find("monitoringintervall")).text)
mresolution=(tree.find("resolution")).text
mrange=(tree.find("timerange")).text
lfile=(tree.find("logfile")).text
port=int((tree.find("port")).text)
monitor=(tree.find("monitor")).text
cluster=(tree.find("cluster")).text
limit=(tree.find("limit")).text
xoffset=(tree.find("offset")).text
""" Open the logfile """
log=logopen(path+lfile)
logwriter(log,"Path: "+path)
logwriter(log,"Keyfile: "+keyfile)
logwriter(log,"XMLfile: "+xmlfile)
""" Read keyfile """
f = open(keyfile, 'r')
k2=f.readline()
f.close()
key2=k2.encode('ASCII')
f = Fernet(key2)
""" Create the SimpliVity Rest API Object"""
logwriter(log,"Open a connection to the SimpliVity systems")
svtuser = f.decrypt(u2.encode('ASCII')).decode('ASCII')
svtpassword = f.decrypt(p2.encode('ASCII')).decode('ASCII')
url="https://"+ovc+"/api/"
svt = SimpliVity(url)
logwriter(log,"Open Connection to SimpliVity")
svt.Connect(svtuser,svtpassword)
logwriter(log,"Connection to SimpliVity is open")
logclose(log)
start_http_server(port)
c = Counter('simplivity_sample','SimpliVity sample number')
scluster = Gauge('simplivity_cluster','SimpliVity Cluster Data',['clustername','clustermetric'])
snode = Gauge('simplivity_node','SimpliVity Node Data',['nodename','nodemetric'])
svm = Gauge('simplivity_vm','SimpliVity VM Data',['vmname','vmmetric'])
sdatastore = Gauge('simplivity_datastore','SimpliVity Datastore Data - Sizes in GB',['dsname','dsmetric'])
delta = Gauge('ConnectorRuntime','Time required for last data collection in seconds')
icon = Info('Connector','Connector Paramter Info')
ivm = Info('vm','Additional VM Info',['vm'])
inode = Info('node','Additional Node Info',['node'])
icon.info({'Monitor':monitor,'key':keyfile,'xml':xmlfile,'limit':limit,'oxl':xoffset})
id_node={}
replica={}
"""
Start an endless loop to capture the current status every TIME_RANGE
Errors will be catched with an error routine
Please note that the connection must be refreshed after 24h or afte 10 minutes inactivity.
"""
while True:
try:
t0 = time.time()
c.inc()
if int(xoffset) < 0:
lim = int(limit)
if ('f' in monitor) or ('c' in monitor):
""" Get Cluster """
offset = 0
x = svt.GetCluster({'show_optional_fields':'true','limit':limit,'offset':str(offset*lim)})['omnistack_clusters']
clusters = x
while (len(x) == lim):
offset += 1
x = svt.GetCluster({'show_optional_fields':'true','limit':limit,'offset':str(offset*lim)})['omnistack_clusters']
clusters += x
if ('f' in monitor) or ('n' in monitor):
""" Get Nodes """
offset = 0
x = svt.GetHost({'show_optional_fields':'true','limit':limit,'offset':str(offset*lim)})['hosts']
hosts = x
while (len(x) == lim):
offset += 1
x = svt.GetHost({'show_optional_fields':'true','limit':limit,'offset':str(offset*lim)})['hosts']
hosts += x
if ('f' in monitor) or ('v' in monitor):
""" Get VMs """
offset = 0
x = svt.GetVM({'show_optional_fields':'true','limit':limit,'offset':str(offset*lim)})['virtual_machines']
vms = x
while (len(x) == lim):
offset += 1
x = svt.GetVM({'show_optional_fields':'true','limit':limit,'offset':str(offset*lim)})['virtual_machines']
vms += x
if ('f' in monitor):
""" Get Datastores """
offset = 0
x = svt.GetDataStore({'show_optional_fields':'true','limit':limit,'offset':str(offset*lim)})['datastores']
datastores = x
while (len(x) == lim):
offset += 1
x = svt.GetDataStore({'show_optional_fields':'true','limit':limit,'offset':str(offset*lim)})['datastores']
datastores += x
else:
if ('f' in monitor) or ('c' in monitor):
clusters = svt.GetCluster({'show_optional_fields':'true','limit':limit,'offset':xoffset})['omnistack_clusters']
if ('f' in monitor) or ('n' in monitor):
hosts = svt.GetHost({'show_optional_fields':'true','limit':limit,'offset':xoffset})['hosts']
if ('f' in monitor) or ('v' in monitor):
vms = svt.GetVM({'show_optional_fields':'true','limit':limit,'offset':xoffset})['virtual_machines']
if ('f' in monitor):
datastores = svt.GetDataStore({'show_optional_fields':'true','limit':limit,'offset':xoffset})['datastores']
if 'f' in monitor:
scluster.labels('Federation','Cluster_count').set(len(clusters))
snode.labels('Federation','Node_count').set(len(hosts))
svm.labels('Federation','VM_count').set(len(vms))
sdatastore.labels('Federation','Datastore_count').set(len(datastores))
for x in hosts:
cn = (x['name'].split('.')[0]).replace('-','_')
snode.labels(cn,'State').set(node_state[x['state']])
id_node[x['id']]=x['name']
inode.labels(cn).info({'state':x['state'],'cluster':x['compute_cluster_name']})
for x in vms:
cn = (x['name'].split('.')[0]).replace('-','_')
svm.labels(cn,'allocated_capacity').set(x['hypervisor_allocated_capacity']/BtoGB)
svm.labels(cn,'free_space').set(x['hypervisor_free_space']/BtoGB)
svm.labels(cn,'allocated_cpu').set(x['hypervisor_allocated_cpu'])
svm.labels(cn,'cpu_count').set(x['hypervisor_cpu_count'])
svm.labels(cn,'consumed_cpu').set(x['hypervisor_consumed_cpu'])
svm.labels(cn,'virtual_disk_count').set(x['hypervisor_virtual_disk_count'])
svm.labels(cn,'total_memory').set(x['hypervisor_total_memory'])
svm.labels(cn,'consumed_memory').set(x['hypervisor_consumed_memory'])
svm.labels(cn,'state').set(vm_state[x['state']])
svm.labels(cn,'power').set(vm_power_state[x['hypervisor_virtual_machine_power_state']])
svm.labels(cn,'ha_state').set(vm_ha_status[x['ha_status']])
#for y in x['replica_set']:
# replica[y['role']]=id_node[y['id']]
ivm.labels(cn).info({'vm_state':x['state'],'vm_datastore':x['datastore_name'],'cluster':x['omnistack_cluster_name']}) #,'primary':replica['PRIMARY'],'secondary':replica['SECONDARY']})
for x in datastores:
cn = (x['name']).replace('-','_')
sdatastore.labels(cn,'size').set(x['size']/BtoGB)
if 'c' in monitor:
for x in clusters:
perf=getPerformanceAverage(svt.GetClusterMetric(x['name'],timerange=mrange,resolution=mresolution)['metrics'])
cn = (x['name'].split('.')[0]).replace('-','_')
for metricname in capacitymetric:
scluster.labels(cn,metricname).set(x[metricname]/BtoGB)
for metricname in dedupmetric:
scluster.labels(cn,metricname).set(x[metricname].split()[0])
for metricname in performancemetric:
scluster.labels(cn,metricname).set(perf[metricname])
for x in svt.GetClusterThroughput():
cn = x['source_omnistack_cluster_name']
metricname=x['destination_omnistack_cluster_name']+' throughput'
scluster.labels(cn,metricname).set(x['throughput'])
if 'n' in monitor:
for x in hosts:
y = getNodeCapacity(svt.GetHostCapacity(x['name'],timerange=mrange,resolution=mresolution)['metrics'])
perf=getPerformanceAverage(svt.GetHostMetrics(x['name'],timerange=mrange,resolution=mresolution)['metrics'])
cn = (x['name'].split('.')[0]).replace('-','_')
for metricname in capacitymetric:
snode.labels(cn,metricname).set(y[metricname])
for metricname in dedupmetric:
snode.labels(cn,metricname).set(y[metricname])
for metricname in performancemetric:
snode.labels(cn,metricname).set(perf[metricname])
if 'v' in monitor:
for x in vms:
cn = (x['name'].split('.')[0]).replace('-','_')
perf=getPerformanceAverage(svt.GetVMMetric(x['name'],timerange=mrange,resolution=mresolution)['metrics'])
for metricname in performancemetric:
svm.labels(cn,metricname).set(perf[metricname])
t1 = time.time()
delta.set((t1-t0))
while ((t1-t0) < mintervall):
time.sleep(1.0)
t1 = time.time()
except KeyError as e:
log=logopen(path+lfile)
logwriter(log,"KeyError")
logwriter(log,str(e))
logclose(log)
pass
except SvtError as e:
if e.status == 401:
try:
log=logopen(path+lfile)
logwriter(log,str(e.expression))
logwriter(log,str(e.status))
logwriter(log,str(e.message))
logwriter(log,"Open Connection to SimpliVity")
svt.Connect(svtuser,svtpassword)
logwriter(log,"Connection to SimpliVity is open")
logclose(log)
except SvtError as e:
log=logopen(path+lfile)
logwriter(log,"Failed to open a conection to SimplVity")
logwriter(log,str(e.expression))
logwriter(log,str(e.status))
logwriter(log,str(e.message))
logwriter(log,"close SimpliVity connection")
logclose(log)
exit(-200)
elif e.status == 555:
log=logopen(path+lfile)
logwriter(log,'SvtError:')
logwriter(log,str(e.expression))
logwriter(log,str(e.status))
logwriter(log,str(e.message))
logclose(log)
pass
else:
log=logopen(path+lfile)
logwriter(log,'Unhandeled SvtError:')
logwriter(log,str(e.expression))
logwriter(log,str(e.status))
logwriter(log,str(e.message))
logwriter(log,"close SimpliVity connection")
logclose(log)
pass
except Exception as ex:
print(ex)
log=logopen(path+lfile)
logwriter(log,'Exception')
logwriter(log,str(ex))
logclose(log)
pass