143 lines
5.3 KiB
Python
143 lines
5.3 KiB
Python
#!/usr/bin/env python3
|
|
# pylint: disable=missing-module-docstring, unused-argument, consider-using-f-string
|
|
# pylint: disable=missing-function-docstring, line-too-long
|
|
|
|
from pprint import pprint
|
|
|
|
from cmk.utils import debug
|
|
|
|
# import necessary elements from API version 2
|
|
from cmk.agent_based.v2 import (
|
|
AgentSection,
|
|
CheckPlugin,
|
|
Service,
|
|
State,
|
|
Metric,
|
|
Result,
|
|
DiscoveryResult,
|
|
CheckResult,
|
|
check_levels,
|
|
)
|
|
|
|
|
|
def parse_traefik_udp_components(string_table):
|
|
"""the parse function"""
|
|
parsed_data = {}
|
|
for line in string_table:
|
|
if line[0] == "routers":
|
|
parsed_data["num_routers"] = int(line[1])
|
|
parsed_data["num_routers_warn"] = int(line[2])
|
|
parsed_data["num_routers_crit"] = int(line[3])
|
|
elif line[0] == "services":
|
|
parsed_data["num_services"] = int(line[1])
|
|
parsed_data["num_services_warn"] = int(line[2])
|
|
parsed_data["num_services_crit"] = int(line[3])
|
|
return parsed_data
|
|
|
|
|
|
def discover_traefik_udp_components(section) -> DiscoveryResult:
|
|
"""the discover function"""
|
|
yield Service()
|
|
|
|
|
|
def check_traefik_udp_components(params, section) -> CheckResult:
|
|
"""the check function"""
|
|
if debug.enabled():
|
|
pprint(section)
|
|
_level_type, levels_percent_not_ok = params["levels_traefik_udp_components_not_ok"]
|
|
levels_min_routers = params["levels_traefik_min_udp_routers"]
|
|
levels_max_routers = params["levels_traefik_max_udp_routers"]
|
|
levels_min_services = params["levels_traefik_min_udp_services"]
|
|
levels_max_services = params["levels_traefik_max_udp_services"]
|
|
num_routers: int = section["num_routers"]
|
|
num_routers_warn: int = section["num_routers_warn"]
|
|
num_routers_crit: int = section["num_routers_crit"]
|
|
num_services: int = section["num_services"]
|
|
num_services_warn: int = section["num_services_warn"]
|
|
num_services_crit: int = section["num_services_crit"]
|
|
num_components: int = num_routers + num_services
|
|
components_warn: int = num_routers_warn + num_services_warn
|
|
components_crit: int = num_routers_crit + num_services_crit
|
|
components_percent_not_ok: float = 0.0
|
|
if num_components > 0:
|
|
components_percent_not_ok = (
|
|
(components_warn + components_crit) * 100 / num_components
|
|
)
|
|
yield Metric(
|
|
name="traefik_percent_udp_components_not_ok",
|
|
value=components_percent_not_ok,
|
|
levels=levels_percent_not_ok,
|
|
)
|
|
summary: str = f"Number of UDP routers/services: {num_routers}/{num_services}"
|
|
details_routers: str = (
|
|
f"Routers WARN: {num_routers_warn}\nRouters CRIT: {num_routers_crit}"
|
|
)
|
|
details_services: str = (
|
|
f"Services WARN: {num_services_warn}\nServices CRIT: {num_services_crit}"
|
|
)
|
|
details = f"{details_routers}\n\n{details_services}"
|
|
state: State = State.OK
|
|
if components_warn > 0:
|
|
state = State.WARN
|
|
if components_crit > 0:
|
|
state = State.CRIT
|
|
yield Result(
|
|
state=state,
|
|
summary=summary,
|
|
details=details,
|
|
)
|
|
yield from check_levels(
|
|
metric_name="traefik_num_udp_routers",
|
|
value=num_routers,
|
|
levels_lower=levels_min_routers,
|
|
levels_upper=levels_max_routers,
|
|
label="Number of UDP routers",
|
|
notice_only=True,
|
|
render_func=lambda v: "%.0f" % v,
|
|
)
|
|
yield from check_levels(
|
|
metric_name="traefik_num_udp_services",
|
|
value=num_services,
|
|
levels_lower=levels_min_services,
|
|
levels_upper=levels_max_services,
|
|
label="Number of UDP services",
|
|
notice_only=True,
|
|
render_func=lambda v: "%.0f" % v,
|
|
)
|
|
|
|
|
|
# create the new agent section, must begin with "agent_section_"
|
|
# and must be an instance of "AgentSection"
|
|
agent_section_traefik_udp_components = AgentSection(
|
|
# "name" must exactly match the section name within the agent output
|
|
name="traefik_udp_components",
|
|
# define the parse function, name is arbitrary, a good choice is to choose
|
|
# "parse_" as prefix and append the section name
|
|
parse_function=parse_traefik_udp_components,
|
|
)
|
|
|
|
# create the new check plugin, must begin with "check_plugin_"
|
|
# and must be an instance of "CheckPlugin"
|
|
check_plugin_traefik_udp_components = CheckPlugin(
|
|
# "name" should be the same as the corresponding section within the agent output
|
|
name="traefik_udp_components",
|
|
service_name="Traefik UDP components",
|
|
# define the discovery function, name is arbitrary, a good choice is to choose
|
|
# "discover_" as prefix and append the section name
|
|
discovery_function=discover_traefik_udp_components,
|
|
# define the check function, name is arbitrary, a good choice is to choose
|
|
# "check_" as prefix and append the section name
|
|
check_function=check_traefik_udp_components,
|
|
# define the default parameters
|
|
check_default_parameters={
|
|
"levels_traefik_min_udp_routers": ("fixed", (0, 0)),
|
|
"levels_traefik_max_udp_routers": ("fixed", (25, 50)),
|
|
"levels_traefik_min_udp_services": ("fixed", (0, 0)),
|
|
"levels_traefik_max_udp_services": ("fixed", (25, 50)),
|
|
"levels_traefik_udp_components_not_ok": ("fixed", (0.5, 1.0)),
|
|
},
|
|
# connect to the ruleset where parameters can be defined
|
|
# must match the name of the ruleset exactly
|
|
check_ruleset_name="traefik_udp_components",
|
|
)
|