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Copy pathiloPromConnector.v2.0.py
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iloPromConnector.v2.0.py
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# Copyright 2020 Hewlett Packard Enterprise Development LP
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# v2.0 - July 2022; Thomas Beha, HPE Technology Competence Center DACH
# -*- coding: utf-8 -*-
from cryptography.fernet import *
from lxml import etree
import time
from datetime import datetime
from prometheus_client import Counter, Gauge, start_http_server, Info
import sys
from redfish import RedfishClient
from redfish.rest.v1 import ServerDownOrUnreachableError
BtoGB=pow(1024,3)
BtoMB=pow(1024,2)
power_state={
'Unknown': 0,
'On': 1,
'Off': 2,
'Suspended': 3
}
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 get_resource_directory(redfishobj, lfile):
try:
resource_uri = redfishobj.root.obj.Oem.Hpe.Links.ResourceDirectory['@odata.id']
response = redfishobj.get(resource_uri)
return response.dict["Instances"]
except KeyError as ex:
sys.stderr.write("Resource directory is only available on HPE servers.\n")
log=logopen(lfile)
logwriter(log,'Exception')
logwriter(log,str(ex))
logclose(log)
return None
def get_server_urls( login_account, login_password, ilos, lfile):
server_urls={}
for ilo in ilos:
server={}
ilo_url="https://"+ilo.text
server["url"]=ilo_url
try:
# Create a Redfish client object
REDFISHOBJ = RedfishClient(base_url=ilo_url, username=login_account, password=login_password)
# Login with the Redfish client
REDFISHOBJ.login()
server["redfish"]=REDFISHOBJ
resource_instances = get_resource_directory(REDFISHOBJ, lfile)
REDFISHOBJ.logout()
for instance in resource_instances:
if '#ComputerSystem.' in instance ['@odata.type']:
server["ComputerSystem"]=instance['@odata.id']
if '#Power.' in instance ['@odata.type']:
server["Power"]=instance['@odata.id']
if '#Thermal.' in instance ['@odata.type']:
server["Thermal"]=instance['@odata.id']
server_urls[ilo.text]=server
except ServerDownOrUnreachableError as ex:
sys.stderr.write("ERROR: server not reachable or does not support RedFish.\n")
log=logopen(lfile)
logwriter(log,'Exception')
logwriter(log,str(ex))
logclose(log)
pass
return server_urls;
def get_server_data( login_account, login_password, server, lfile):
server_data={}
try:
# Create a Redfish client object
REDFISHOBJ = RedfishClient(base_url=server["url"], username=login_account, password=login_password)
# Login with the Redfish client
REDFISHOBJ.login()
# System Data
server_data['System'] = REDFISHOBJ.get(server["ComputerSystem"]).obj
# Power Data
uri = REDFISHOBJ.get(server["Power"]).obj.Oem.Hpe['Links']['PowerMeter']['@odata.id']
server_data["PowerMeter"] = REDFISHOBJ.get(uri).obj
# Temperatures
server_data['Temperatures'] = REDFISHOBJ.get(server["Thermal"]).obj["Temperatures"]
# logout
REDFISHOBJ.logout()
return server_data;
except ServerDownOrUnreachableError as ex:
sys.stderr.write("ERROR: server not reachable or does not support RedFish.\n")
log=logopen(lfile)
logwriter(log,'Exception')
logwriter(log,str(ex))
logclose(log)
pass
def display_results( node, inode, server_metrics):
cn = (server_metrics['System']['HostName']).split('.')[0].replace('-','_')
inode.labels(cn).info({"Model":server_metrics['System']["Model"],"Manufacturer":server_metrics['System']["Manufacturer"],"SerialNumber":server_metrics['System']["SerialNumber"]})
node.labels(cn,'Power','State').set(power_state[server_metrics['System']["PowerState"]])
node.labels(cn,'Power','Average').set(server_metrics["PowerMeter"]['Average'])
node.labels(cn,'Power','Maximum').set(server_metrics["PowerMeter"]['Maximum'])
node.labels(cn,'Power','Minimum').set(server_metrics["PowerMeter"]['Minimum'])
for temperature in server_metrics['Temperatures']:
node.labels(cn,'Temperature',temperature["Name"]).set(temperature['ReadingCelsius'])
return 0
### Main ###########################################################################
if __name__ == "__main__":
""" read the key and input file"""
path = '.'
#path = '/opt/prometheus/data'
keyfile = path + '/iloprometheus.key'
xmlfile = path + '/iloprometheus.xml'
""" Read keyfile """
f = open(keyfile, 'r')
k2=f.readline()
f.close()
key2=k2.encode('ASCII')
""" Read the parameter file """
tree = etree.parse(xmlfile)
u2=(tree.find("user")).text
p2=(tree.find("password")).text
f = Fernet(key2)
user = f.decrypt(u2.encode('ASCII')).decode('ASCII')
password = f.decrypt(p2.encode('ASCII')).decode('ASCII')
lfile=path+(tree.find("logfile")).text
port=int((tree.find("port")).text)
mintervall = int((tree.find("monitoringintervall")).text)
ilos=tree.findall("ILO_ip") # List of all ILOs
# Get the monitoring URLs of the server
monitor_urls = get_server_urls(user, password, ilos, lfile)
# open the logfile
log=logopen(lfile)
logwriter(log,"Started ILO Prometheus Connector Test")
# Start the http_server and the counters, gauges
start_http_server(port)
c = Counter('ilorest_sample','ILO REST sample number')
node = Gauge('ilorest_node','ILO Node Data',['nodename','nodemetric','metricdetail'])
delta = Gauge('ConnectorRuntime','Time required for last data collection in seconds')
inode = Info('node','Additional Node Info',['node'])
# Start the endless loop
while True:
try:
t0 = time.time()
c.inc()
for server in monitor_urls:
server_metrics = get_server_data(user, password, monitor_urls[server], lfile)
display_results(node, inode, server_metrics)
t1 = time.time()
delta.set((t1-t0))
while ((t1-t0) < mintervall):
time.sleep(1.0)
t1 = time.time()
except Exception as ex:
print(ex)
log=logopen(lfile)
logwriter(log,'Exception')
logwriter(log,str(ex))
logclose(log)
pass
print("The end")