2025-04-12 15:21:46 +02:00

114 lines
3.8 KiB
Python

#!/usr/bin/env python3
# pylint: disable=line-too-long
"""HAL9002 checks for users"""
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,
Result,
State,
render,
check_levels,
)
def parse_hal9002_users(string_table):
"""the parse function"""
parsed_data = {}
# convert the raw output of the agent section in an meaningful structure
# do type conversions and so on
parsed_data = {}
for line in string_table:
userid = line[0]
realname = line[1]
quota_used = float(line[2])
quota_total = float(line[3])
parsed_data[f"{userid}"] = [realname, quota_used, quota_total]
return parsed_data
def discover_hal9002_users(section):
"""the discover function"""
# since we have a service with item here we must create one service per item
for key in section:
yield Service(item=key)
def check_hal9002_users(item, params, section):
"""the check function"""
if debug.enabled():
pprint(section)
attr = section.get(item)
if not attr:
# if a previously found user does not exist anymore, create a meaningful result
yield Result(
state=State.UNKNOWN, summary="User not found anymore, maybe it was deleted?"
)
return
# this refers to the definition of the parameters
# within the appropriate ruleset dictionary element
levels = params["quota_used_percent"]
# get all info of the user
user_name = attr[0]
used_bytes = attr[1]
quota_max_bytes = attr[2]
# calculate percentage of quota used
quota_used_percent = used_bytes * 100 / quota_max_bytes
# create graphs and results for used quota
# this replaces all calls of yield Result|Metric
# metric_name must be used within the graphing templates
yield from check_levels(
value=quota_used_percent,
levels_upper=levels,
metric_name="hal_user_quota_used_percent",
render_func=render.percent,
label=f"Used quota of {user_name}",
notice_only=False,
)
yield from check_levels(
value=used_bytes,
metric_name="hal_user_used_bytes",
render_func=render.bytes,
label=f"Used from {render.disksize(quota_max_bytes)}",
notice_only=False,
)
# create the new agent section, must begin with "agent_section_"
# and must be an instance of "AgentSection"
agent_section_hal9002_users = AgentSection(
# "name" must exactly match the section name within the agent output
name="hal9002_users",
# define the parse function, name is arbitrary, a good choice is to choose
# "parse_" as prefix and append the section name
parse_function=parse_hal9002_users,
)
# create the new check plugin, must begin with "check_plugin_"
# and must be an instance of "CheckPlugin"
check_plugin_hal9002_users = CheckPlugin(
# "name" should be the same as the corresponding section within the agent output
name="hal9002_users",
# this is a service with item, so you have to include a place holder for the item id
service_name="HAL9002 user %s",
# define the discovery function, name is arbitrary, a good choice is to choose
# "discover_" as prefix and append the section name
discovery_function=discover_hal9002_users,
# define the check function, name is arbitrary, a good choice is to choose
# "check_" as prefix and append the section name
check_function=check_hal9002_users,
# define the default parameters
check_default_parameters={"quota_used_percent": ("fixed", (80.0, 90.0))},
# connect to the ruleset where parameters can be defined
# must match the name of the ruleset exactly
check_ruleset_name="hal9002_users",
)