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nv_exporter.py
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from datetime import datetime
from prometheus_client import start_http_server, Metric, REGISTRY
import argparse
import json
import os
import requests
import signal
import sys
import time
import urllib3
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
session = requests.Session()
enable_enforcer_stats = False
def _login(ctrl_url, ctrl_user, ctrl_pass):
print("Login to controller ...")
body = {"password": {"username": ctrl_user, "password": ctrl_pass}}
headers = {'Content-Type': 'application/json'}
try:
response = requests.post(ctrl_url + '/v1/auth',
headers=headers,
data=json.dumps(body),
verify=False)
except requests.exceptions.RequestException as e:
print(e)
return -1
if response.status_code != 200:
message = json.loads(response.text)["message"]
print(message)
return -1
token = json.loads(response.text)["token"]["token"]
# Update request session
session.headers.update({"Content-Type": "application/json"})
session.headers.update({'X-Auth-Token': token})
return 0
class apiCollector(object):
def __init__(self, endpoint, ctrl_user, ctrl_pass):
self._endpoint = endpoint
self._user = ctrl_user
self._pass = ctrl_pass
self._url = "https://" + endpoint
def sigterm_handler(self, _signo, _stack_frame):
print("Logout ...")
session.delete(self._url + '/v1/auth')
sys.exit(0)
def get(self, path):
retry = 0
while retry < 2:
try:
response = session.get(self._url + path, verify=False)
except requests.exceptions.RequestException as e:
print(e)
retry += 1
else:
if response.status_code == 401 or response.status_code == 408:
_login(self._url, self._user, self._pass)
retry += 1
else:
return response
print("Failed to GET " + path)
def collect(self):
eps = self._endpoint.split(':')
ep = eps[0]
# Get system summary
response = self.get('/v1/system/summary')
if response:
sjson = json.loads(response.text)
# Set summary metrics
metric = Metric('nv_summary', 'A summary of ' + ep, 'summary')
metric.add_sample('nv_summary_services',
value=sjson["summary"]["services"],
labels={'target': ep})
metric.add_sample('nv_summary_policy',
value=sjson["summary"]["policy_rules"],
labels={'target': ep})
metric.add_sample('nv_summary_runningWorkloads',
value=sjson["summary"]["running_workloads"],
labels={'target': ep})
metric.add_sample('nv_summary_totalWorkloads',
value=sjson["summary"]["workloads"],
labels={'target': ep})
metric.add_sample('nv_summary_hosts',
value=sjson["summary"]["hosts"],
labels={'target': ep})
metric.add_sample('nv_summary_controllers',
value=sjson["summary"]["controllers"],
labels={'target': ep})
metric.add_sample('nv_summary_enforcers',
value=sjson["summary"]["enforcers"],
labels={'target': ep})
metric.add_sample('nv_summary_pods',
value=sjson["summary"]["running_pods"],
labels={'target': ep})
metric.add_sample('nv_summary_disconnectedEnforcers',
value=sjson["summary"]["disconnected_enforcers"],
labels={'target': ep})
dt = sjson["summary"]["cvedb_create_time"]
if not dt:
metric.add_sample('nv_summary_cvedbVersion',
value=1.0,
labels={'target': ep})
else:
metric.add_sample('nv_summary_cvedbVersion',
value=sjson["summary"]["cvedb_version"],
labels={'target': ep})
# Convert time, set CVEDB create time
dt = sjson["summary"]["cvedb_create_time"]
if not dt:
metric.add_sample('nv_summary_cvedbTime',
value=0,
labels={'target': ep})
else:
ts = time.strptime(dt, '%Y-%m-%dT%H:%M:%SZ')
metric.add_sample('nv_summary_cvedbTime',
value=time.mktime(ts) * 1000,
labels={'target': ep})
yield metric
# Get conversation
response = self.get('/v1/conversation')
if response:
# Set conversation metrics
metric = Metric('nv_conversation', 'conversation of ' + ep,
'gauge')
for c in json.loads(response.text)['conversations']:
try:
c['ports']
except KeyError:
port_exists = False
else:
port_exists = True
if port_exists is True:
for k in c['ports']:
if c['bytes'] != 0:
metric.add_sample('nv_conversation_bytes',
value=c['bytes'],
labels={
'port': k,
'from': c['from'],
'to': c['to'],
'target': ep
})
yield metric
# Get enforcer
if enable_enforcer_stats:
response = self.get('/v1/enforcer')
if response:
# Read each enforcer, set enforcer metrics
metric = Metric('nv_enforcer', 'enforcers of ' + ep, 'gauge')
for c in json.loads(response.text)['enforcers']:
response2 = self.get('/v1/enforcer/' + c['id'] + '/stats')
if response2:
ejson = json.loads(response2.text)
metric.add_sample('nv_enforcer_cpu',
value=ejson['stats']['span_1']['cpu'],
labels={
'id': c['id'],
'host': c['host_name'],
'display': c['display_name'],
'target': ep
})
metric.add_sample('nv_enforcer_memory',
value=ejson['stats']['span_1']['memory'],
labels={
'id': c['id'],
'host': c['host_name'],
'display': c['display_name'],
'target': ep
})
yield metric
# Get controller
response = self.get('/v1/controller')
if response:
# Read each controller, set controller metrics
metric = Metric('nv_controller', 'controllers of ' + ep, 'gauge')
for c in json.loads(response.text)['controllers']:
response2 = self.get('/v1/controller/' + c['id'] + '/stats')
if response2:
ejson = json.loads(response2.text)
metric.add_sample('nv_controller_cpu',
value=ejson['stats']['span_1']['cpu'],
labels={
'id': c['id'],
'host': c['host_name'],
'display': c['display_name'],
'target': ep
})
metric.add_sample('nv_controller_memory',
value=ejson['stats']['span_1']['memory'],
labels={
'id': c['id'],
'host': c['host_name'],
'display': c['display_name'],
'target': ep
})
yield metric
# Get host
response = self.get('/v1/host')
if response:
# Set host metrics
metric = Metric('nv_host', 'host information of ' + ep, 'gauge')
for c in json.loads(response.text)['hosts']:
metric.add_sample('nv_host_memory',
value=c['memory'],
labels={
'name': c['name'],
'id': c['id'],
'target': ep
})
yield metric
# Get debug admission stats
response = self.get('/v1/debug/admission_stats')
if response:
if response.status_code != 200:
print("Admission control stats request failed: %s" % response)
else:
djson = json.loads(response.text)
# Set admission metrics
metric = Metric('nv_admission', 'Debug admission stats of ' + ep,
'gauge')
metric.add_sample('nv_admission_allowed',
value=djson['stats']['k8s_allowed_requests'],
labels={'target': ep})
metric.add_sample('nv_admission_denied',
value=djson['stats']['k8s_denied_requests'],
labels={'target': ep})
yield metric
# Get image vulnerability
response = self.get('/v1/scan/registry')
if response:
# Set vulnerability metrics
metric = Metric('nv_image_vulnerability',
'image vulnerability of ' + ep, 'gauge')
for c in json.loads(response.text)['summarys']:
response2 = self.get('/v1/scan/registry/' + c['name'] + '/images')
if response2:
for img in json.loads(response2.text)['images']:
metric.add_sample('nv_image_vulnerabilityHigh',
value=img['high'],
labels={
'name': "%s:%s" % (img['repository'], img['tag']),
'imageid': img['image_id'],
'target': ep
})
metric.add_sample('nv_image_vulnerabilityMedium',
value=img['medium'],
labels={
'name': "%s:%s" % (img['repository'], img['tag']),
'imageid': img['image_id'],
'target': ep
})
yield metric
# Get container vulnerability
response = self.get('/v1/workload?brief=true')
if response:
# Set vulnerability metrics
cvlist = []
metric = Metric('nv_container_vulnerability',
'container vulnerability of ' + ep, 'gauge')
for c in json.loads(response.text)['workloads']:
if c['service'] not in cvlist and c['service_mesh_sidecar'] is False:
scan = c['scan_summary']
if scan != None and (scan['high'] != 0 or scan['medium'] != 0):
metric.add_sample('nv_container_vulnerabilityHigh',
value=scan['high'],
labels={
'service': c['service'],
'target': ep
})
metric.add_sample('nv_container_vulnerabilityMedium',
value=scan['medium'],
labels={
'service': c['service'],
'target': ep
})
cvlist.append(c['service'])
yield metric
# Set Log metrics
metric = Metric('nv_log', 'log of ' + ep, 'gauge')
# Get log threat
response = self.get('/v1/log/threat')
if response:
# Set threat
ttimelist = []
tnamelist = []
tcnamelist = []
tcnslist = []
tsnamelist = []
tsnslist = []
tidlist = []
for c in json.loads(response.text)['threats']:
ttimelist.append(c['reported_timestamp'])
tnamelist.append(c['name'])
tcnamelist.append(c['client_workload_name'])
tcnslist.append(c['client_workload_domain'] if 'client_workload_domain' in c else "")
tsnamelist.append(c['server_workload_name'])
tsnslist.append(c['server_workload_domain'] if 'server_workload_domain' in c else "")
tidlist.append(c['id'])
for x in range(0, min(5, len(tidlist))):
metric.add_sample('nv_log_events',
value=ttimelist[x] * 1000,
labels={
'log': "thread",
'fromname': tcnamelist[x],
'fromns': tcnslist[x],
'toname': tsnamelist[x],
'tons': tsnamelist[x],
'id': tidlist[x],
'name': tnamelist[x],
'target': ep
})
# Get log incident
response = self.get('/v1/log/incident')
if response:
# Set incident metrics
itimelist = []
inamelist = []
iwnamelist = []
iwnslist = []
iidlist = []
for c in json.loads(response.text)['incidents']:
if 'workload_name' in c:
itimelist.append(c['reported_timestamp'])
inamelist.append(c['name'])
iwnamelist.append(c['workload_name'])
iwnslist.append(c['workload_domain'] if 'workload_domain' in c else "")
iidlist.append(c['workload_id'])
for x in range(0, min(5, len(iidlist))):
metric.add_sample('nv_log_events',
value=itimelist[x] * 1000,
labels={
'log': "incident",
'fromname': iwnamelist[x],
'fromns': iwnslist[x],
'toname': " ",
'tons': " ",
'name': inamelist[x],
'id': iidlist[x],
'target': ep
})
# Get log violation
response = self.get('/v1/log/violation')
if response:
# Set violation metrics
vtimelist = []
vnamelist = []
vcnamelist = []
vcnslist = []
vsnamelist = []
vsnslist = []
vidlist = []
for c in json.loads(response.text)['violations']:
vtimelist.append(c['reported_timestamp'])
vcnamelist.append(c['client_name'])
vcnslist.append(c['client_domain'] if 'client_domain' in c else "")
vnamelist.append("Network Violation")
vsnamelist.append(c['server_name'])
vsnslist.append(c['server_domain'] if 'server_domain' in c else "")
vidlist.append(c['client_id'] + c['server_id'])
for x in range(0, min(5, len(vidlist))):
metric.add_sample('nv_log_events',
value=vtimelist[x] * 1000,
labels={
'log': "violation",
'id': vidlist[x],
'fromname': vcnamelist[x],
'fromns': vcnslist[x],
'toname': vsnamelist[x],
'tons': vsnslist[x],
'name': vnamelist[x],
'target': ep
})
yield metric
ENV_CTRL_API_SVC = "CTRL_API_SERVICE"
ENV_CTRL_USERNAME = "CTRL_USERNAME"
ENV_CTRL_PASSWORD = "CTRL_PASSWORD"
ENV_EXPORTER_PORT = "EXPORTER_PORT"
ENV_ENFORCER_STATS = "ENFORCER_STATS"
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='NeuVector command line.')
parser.add_argument("-e", "--port", type=int, help="exporter port")
parser.add_argument("-s",
"--server",
type=str,
help="controller API service")
parser.add_argument("-u",
"--username",
type=str,
help="controller user name")
parser.add_argument("-p",
"--password",
type=str,
help="controller user password")
argss = parser.parse_args()
if argss.server:
ctrl_svc = argss.server
elif ENV_CTRL_API_SVC in os.environ:
ctrl_svc = os.environ.get(ENV_CTRL_API_SVC)
else:
sys.exit("Controller API service endpoint must be specified.")
if argss.port:
port = argss.port
elif ENV_EXPORTER_PORT in os.environ:
port = int(os.environ.get(ENV_EXPORTER_PORT))
else:
sys.exit("Exporter port must be specified.")
if argss.username:
ctrl_user = argss.username
elif ENV_CTRL_USERNAME in os.environ:
ctrl_user = os.environ.get(ENV_CTRL_USERNAME)
else:
ctrl_user = "admin"
if argss.password:
ctrl_pass = argss.password
elif ENV_CTRL_PASSWORD in os.environ:
ctrl_pass = os.environ.get(ENV_CTRL_PASSWORD)
else:
ctrl_pass = "admin"
if ENV_ENFORCER_STATS in os.environ:
try:
enable_enforcer_stats = bool(os.environ.get(ENV_ENFORCER_STATS))
except:
enable_enforcer_stats = False
# Login and get token
if _login("https://" + ctrl_svc, ctrl_user, ctrl_pass) < 0:
sys.exit(1)
print("Start exporter server ...")
start_http_server(port)
print("Register collector ...")
collector = apiCollector(ctrl_svc, ctrl_user, ctrl_pass)
REGISTRY.register(collector)
signal.signal(signal.SIGTERM, collector.sigterm_handler)
while True:
time.sleep(30)