96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
#!/usr/bin/env python3
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#
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# Check_MK PVC plugin
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#
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# Copyright 2017-2021, Joshua Boniface <joshua@boniface.me>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from .agent_based_api.v1 import *
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from cmk.base.check_api import host_name
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from time import time
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from json import loads
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def discover_pvc(section):
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my_node = host_name().split(".")[0]
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yield Service(item=f"PVC Node {my_node}")
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yield Service(item="PVC Cluster")
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def check_pvc(item, params, section):
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state = State.OK
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summary = "Stuff"
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details = None
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data = loads(" ".join(section[0]))
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my_node = host_name().split(".")[0]
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maintenance_map = {
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"true": "on",
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"false": "off",
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}
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maintenance = maintenance_map[data["maintenance"]]
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# Node check
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if item == f"PVC Node {my_node}":
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my_node = host_name().split(".")[0]
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node_health = data["node_health"][my_node]["health"]
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node_messages = data["node_health"][my_node]["messages"]
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summary = f"Node health is {node_health}% (maintenance {maintenance})"
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if len(node_messages) > 0:
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details = ", ".join(node_messages)
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if node_health <= 50 and maintenance == "off":
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state = State.CRIT
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elif node_health <= 90 and maintenance == "off":
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state = State.WARN
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else:
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state = State.OK
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yield Metric(name="node-health", value=node_health)
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# Cluster check
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elif item == "PVC Cluster":
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cluster_health = data["cluster_health"]["health"]
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cluster_messages = data["cluster_health"]["messages"]
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summary = f"Cluster health is {cluster_health}% (maintenance {maintenance})"
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if len(cluster_messages) > 0:
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details = ", ".join([m["text"] for m in cluster_messages])
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if cluster_health <= 50 and maintenance == "off":
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state = State.CRIT
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elif cluster_health <= 90 and maintenance == "off":
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state = State.WARN
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else:
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state = State.OK
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yield Metric(name="cluster-health", value=cluster_health)
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yield Result(state=state, summary=summary, details=details)
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return
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register.check_plugin(
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name="pvc",
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service_name="%s",
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check_ruleset_name="pvc",
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discovery_function=discover_pvc,
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check_function=check_pvc,
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check_default_parameters={},
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)
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