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icinga2-checks
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more refactoring

This commit is contained in:
Cyberes 2023-06-15 12:04:10 -06:00
parent 3df7c5d1ef
commit 2ca897f0a0
Signed by: cyberes
GPG Key ID: 6B4A33836A9500FE
3 changed files with 53 additions and 36 deletions
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4
check_bandwidth.py
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@ -95,7 +95,7 @@ def main():
for i in range(len(data)): for i in range(len(data)):
interface = data[i][0] interface = data[i][0]
bandwidth_utilization = data[i][3] bandwidth_utilization = data[i][3]
state_code = get_state(bandwidth_utilization, warn_value, crit_value, 'lt') state_code = get_state(bandwidth_utilization, warn_value, crit_value, 'ge')
if state_code == nagios.STATE_CRIT: if state_code == nagios.STATE_CRIT:
critical.append(interface) critical.append(interface)
@ -116,7 +116,7 @@ def main():
'warn': warn_value, 'warn': warn_value,
'crit': crit_value, 'crit': crit_value,
'min': 0 if args.max else None, 'min': 0 if args.max else None,
'unit': 'Mbps' 'unit': 'Mb'
} }
}) })

85
check_opnsense_traffic_for_host.py
View File

@ -26,9 +26,9 @@ def is_internet_traffic(ip):
def get_traffic_top(args, interface): def get_traffic_top(args, interface):
response = requests.get(f'https://{args.opnsense}/api/diagnostics/traffic/top/{interface}', response = get_with_retry(f'https://{args.opnsense}/api/diagnostics/traffic/top/{interface}',
headers={'Accept': 'application/json'}, auth=(args.key, args.secret), verify=False, headers={'Accept': 'application/json'}, auth=(args.key, args.secret), verify=False,
timeout=10) timeout=args.timeout)
if response.status_code != 200: if response.status_code != 200:
print(f'UNKNOWN: unable to query OPNsense API for {interface}: {response.status_code}\n{response.text}') print(f'UNKNOWN: unable to query OPNsense API for {interface}: {response.status_code}\n{response.text}')
sys.exit(nagios.UNKNOWN) sys.exit(nagios.UNKNOWN)
@ -45,9 +45,9 @@ def main():
parser.add_argument('--duration', default=10, type=int, help='How many seconds to gather statistics.') parser.add_argument('--duration', default=10, type=int, help='How many seconds to gather statistics.')
parser.add_argument('--fail-empty', action='store_true', help='If the API did not return any data, fail with UNKNOWN. Otherwise, assume that there was no traffic.') parser.add_argument('--fail-empty', action='store_true', help='If the API did not return any data, fail with UNKNOWN. Otherwise, assume that there was no traffic.')
parser.add_argument('--bandwidth', type=float, required=True, help='Bandwidth speed in Mbps. Used to calculate percentage.') parser.add_argument('--bandwidth', type=float, required=True, help='Bandwidth speed in Mbps. Used to calculate percentage.')
parser.add_argument('--bandwidth-critical', type=int, default=75, help='Critical if percent of bandwidth usage is greater than or equal to this.') parser.add_argument('--bandwidth-crit', type=int, default=75, help='Critical if percent of bandwidth usage is greater than or equal to this.')
parser.add_argument('--bandwidth-warn', type=int, default=50, help='Warning if percent of bandwidth usage is greater than or equal to this.') parser.add_argument('--bandwidth-warn', type=int, default=50, help='Warning if percent of bandwidth usage is greater than or equal to this.')
parser.add_argument('--conn-critical', type=int, default=-1, help='Set critical level for number of connections. Default: -1 (disabled).') parser.add_argument('--conn-crit', type=int, default=-1, help='Set critical level for number of connections. Default: -1 (disabled).')
parser.add_argument('--conn-warn', type=int, default=-1, help='Set warning level for number of connections. Default: -1 (disabled).') parser.add_argument('--conn-warn', type=int, default=-1, help='Set warning level for number of connections. Default: -1 (disabled).')
parser.add_argument('--timeout', type=int, default=10, help='Timeout in seconds for the HTTP requests to OPNsense. Default: 10.') parser.add_argument('--timeout', type=int, default=10, help='Timeout in seconds for the HTTP requests to OPNsense. Default: 10.')
args = parser.parse_args() args = parser.parse_args()
@ -81,7 +81,7 @@ def main():
traffic_data = [] traffic_data = []
for _ in range(args.duration): for _ in range(args.duration):
# start_time = time.time() # start_time = time.time()
response = get_with_retry('https://{args.opnsense}/api/diagnostics/traffic/top/{interface}', response = get_with_retry(f'https://{args.opnsense}/api/diagnostics/traffic/top/{interface}',
headers={'Accept': 'application/json'}, auth=(args.key, args.secret), verify=False, headers={'Accept': 'application/json'}, auth=(args.key, args.secret), verify=False,
timeout=args.timeout) timeout=args.timeout)
# end_time = time.time() # end_time = time.time()
@ -124,56 +124,73 @@ def main():
sys.exit(nagios.UNKNOWN) sys.exit(nagios.UNKNOWN)
warn_b_value = (args.bandwidth * args.bandwidth_warn / 100) * 1e+6 warn_b_value = (args.bandwidth * args.bandwidth_warn / 100) * 1e+6
crit_b_value = (args.bandwidth * args.bandwidth_critical / 100) * 1e+6 crit_b_value = (args.bandwidth * args.bandwidth_crit / 100) * 1e+6
conn_warn = args.conn_warn if args.conn_warn > -1 else None
conn_crit = args.conn_crit if args.conn_crit > -1 else None
exit_code = nagios.OK exit_code = nagios.OK
critical = [] critical = []
warn = [] warn = []
perf_data = [] ok = []
perf_data = {}
output_table = [ output_table = [
('Host', 'Interface', 'Rate In', 'Rate Out', 'Cumulative In', 'Cumulative Out', 'Connections', 'Status') ('Interface', 'Rate In', 'Rate Out', 'Cumulative In', 'Cumulative Out', 'Connections', 'Status')
] ]
def check_b(name, state, value): def check(name, state, value, do_filesize=True):
# TODO: improve this its kinda messy
def do_value(v):
# TODO: make filesize() handle rate
return filesize(v) + 'ps' if do_filesize else v
nonlocal exit_code nonlocal exit_code
if state == nagios.STATE_CRIT: if state == nagios.STATE_CRIT:
critical.append((name, filesize(value))) critical.append((name, do_value(value)))
exit_code = max(nagios.CRITICAL, exit_code) exit_code = max(nagios.STATE_CRIT, exit_code)
return '[CRITICAL]', exit_code return nagios.STATE_CRIT
elif state == nagios.STATE_WARN: elif state == nagios.STATE_WARN:
warn.append((name, filesize(value))) warn.append((name, do_value(value)))
exit_code = max(nagios.STATE_WARN, exit_code) exit_code = max(nagios.STATE_WARN, exit_code)
return '[WARNING]', exit_code return nagios.STATE_WARN
elif state == nagios.STATE_OK:
exit_code = max(nagios.STATE_OK, exit_code)
ok.append((name, do_value(value)))
return nagios.STATE_OK
for name, data in check_result.items(): for name, data in check_result.items():
status = '[OK]'
in_state = get_state(data['rate_in'], warn_b_value, crit_b_value, 'ge') in_state = get_state(data['rate_in'], warn_b_value, crit_b_value, 'ge')
in_status, exit_code = check_b(name, in_state, data['rate_in']) in_exit_code = check(f'{name}_rate_in', in_state, data['rate_in'])
out_state = get_state(data['rate_out'], warn_b_value, crit_b_value, 'ge') out_state = get_state(data['rate_out'], warn_b_value, crit_b_value, 'ge')
in_status, exit_code = check_b(name, out_state, data['rate_out']) out_exit_code = check(f'{name}_rate_out', out_state, data['rate_out'])
conn_state = get_state(data['connections'], args.conn_warn, args.conn_critical, 'ge') conn_state = get_state(data['connections'], conn_warn, conn_crit, 'ge')
conn_status, exit_code = check_b(name, conn_state, data['connections']) conn_exit_code = check(f'{name}_connections', conn_state, data['connections'], do_filesize=False)
perf_data[f'{name}_rate_in'] = {'value': int(data["rate_in"]), 'warn': warn_b_value, 'crit': crit_b_value, 'unit': 'B'} interface_status_code = max(in_exit_code, out_exit_code, conn_exit_code)
perf_data[f'{name}_rate_out'] = {'value': int(data["rate_out"]), 'warn': warn_b_value, 'crit': crit_b_value, 'unit': 'B'} if interface_status_code == nagios.STATE_OK:
perf_data[f'{name}_cumulative_in'] = {'value': int(data["cumulative_in"]), 'warn': warn_b_value, 'crit': crit_b_value, 'unit': 'B'} interface_status = '[OK]'
perf_data[f'{name}_cumulative_out'] = {'value': int(data["cumulative_out"]), 'warn': warn_b_value, 'crit': crit_b_value, 'unit': 'B'} elif interface_status_code == nagios.STATE_WARN:
perf_data[f'{name}_connections'] = {'value': int(data["connections"]), 'warn': args.conn_warn, 'crit': args.conn_critical, 'unit': 'B'} interface_status = '[WARNING]'
elif interface_status_code == nagios.STATE_CRIT:
output_table.append((args.host, name, filesize(data['rate_in']), filesize(data['rate_out']), interface_status = '[CRITICAL]'
filesize(data['cumulative_in']), filesize(data['cumulative_out']), data['connections'],
status))
if exit_code == nagios.STATE_OK:
text_result = f'bandwidth is below {args.bandwidth} Mbps.'
else: else:
text_result = ', '.join([*critical, *warn]) interface_status = '[UNKNOWN]'
perf_data[f'{name}_rate_in'] = {'value': int(data["rate_in"]), 'warn': warn_b_value, 'crit': crit_b_value, 'min': 0, 'unit': 'B'}
perf_data[f'{name}_rate_out'] = {'value': int(data["rate_out"]), 'warn': warn_b_value, 'crit': crit_b_value, 'min': 0, 'unit': 'B'}
perf_data[f'{name}_cumulative_in'] = {'value': int(data["cumulative_in"]), 'warn': warn_b_value, 'crit': crit_b_value, 'min': 0, 'unit': 'B'}
perf_data[f'{name}_cumulative_out'] = {'value': int(data["cumulative_out"]), 'warn': warn_b_value, 'crit': crit_b_value, 'min': 0, 'unit': 'B'}
perf_data[f'{name}_connections'] = {'value': int(data["connections"]), 'warn': conn_warn, 'crit': conn_crit, 'min': 0}
output_table.append((name, filesize(data['rate_in']), filesize(data['rate_out']),
filesize(data['cumulative_in']), filesize(data['cumulative_out']), data['connections'],
interface_status))
text_result = ', '.join(f'{name}: {rate}' for name, rate in [*critical, *warn, *ok])
if len(check_result) > 1: if len(check_result) > 1:
text_result += list_to_markdown_table(output_table, align='left', seperator='!', borders=False) text_result = text_result + '\n' + list_to_markdown_table(output_table, align='left', seperator='!', borders=False)
print_icinga2_check_status(text_result, exit_code, perf_data) print_icinga2_check_status(text_result, exit_code, perf_data)
sys.exit(exit_code) sys.exit(exit_code)

2
checker/http.py
View File

@ -25,6 +25,6 @@ def get_with_retry(url, retries=3, delay=1, **kwargs):
except requests.exceptions.RequestException as e: except requests.exceptions.RequestException as e:
if i == retries - 1: if i == retries - 1:
# raise e # raise e
print_icinga2_check_status(f'HTTP request failed after {i} retries: {url}\n{e}', nagios.STATE_UNKNOWN) print_icinga2_check_status(f'HTTP request failed after {i + 1} retries: {url}\n{e}', nagios.STATE_UNKNOWN)
sys.exit(nagios.STATE_UNKNOWN) sys.exit(nagios.STATE_UNKNOWN)
sleep(delay) sleep(delay)