webhookbot

README

webhookbot

Integration of Lark-robot for Prometheus Alertmanager via webhook.

webhook raw json

• firing

{
  "receiver": "WebhookAlert",
  "status": "firing",
  "alerts": [
    {
      "status": "firing",
      "labels": {
        "alertname": "etcdDatabaseHighFragmentationRatio",
        "endpoint": "http-metrics",
        "instance": "172.22.0.2:2381",
        "job": "kube-etcd",
        "namespace": "kube-system",
        "pod": "etcd-kind-control-plane",
        "prometheus": "monitoring/kube-prometheus-stack-prometheus",
        "service": "kube-prometheus-stack-kube-etcd",
        "severity": "warning"
      },
      "annotations": {
        "description": "etcd cluster \"kube-etcd\": database size in use on instance 172.22.0.2:2381 is 21.03% of the actual allocated disk space, please run defragmentation (e.g. etcdctl defrag) to retrieve the unused fragmented disk space.",
        "runbook_url": "https://etcd.io/docs/v3.5/op-guide/maintenance/#defragmentation",
        "summary": "etcd database size in use is less than 50% of the actual allocated storage."
      },
      "startsAt": "2022-12-14T01:32:49.278Z",
      "endsAt": "0001-01-01T00:00:00Z",
      "generatorURL": "http://kube-prometheus-stack-prometheus.monitoring:9090/graph?g0.expr=%28last_over_time%28etcd_mvcc_db_total_size_in_use_in_bytes%5B5m%5D%29+%2F+last_over_time%28etcd_mvcc_db_total_size_in_bytes%5B5m%5D%29%29+%3C+0.5&g0.tab=1",
      "fingerprint": "bc6e3ddcbe61b398"
    }
  ],
  "groupLabels": {
    "namespace": "kube-system"
  },
  "commonLabels": {
    "alertname": "etcdDatabaseHighFragmentationRatio",
    "endpoint": "http-metrics",
    "instance": "172.22.0.2:2381",
    "job": "kube-etcd",
    "namespace": "kube-system",
    "pod": "etcd-kind-control-plane",
    "prometheus": "monitoring/kube-prometheus-stack-prometheus",
    "service": "kube-prometheus-stack-kube-etcd",
    "severity": "warning"
  },
  "commonAnnotations": {
    "description": "etcd cluster \"kube-etcd\": database size in use on instance 172.22.0.2:2381 is 21.03% of the actual allocated disk space, please run defragmentation (e.g. etcdctl defrag) to retrieve the unused fragmented disk space.",
    "runbook_url": "https://etcd.io/docs/v3.5/op-guide/maintenance/#defragmentation",
    "summary": "etcd database size in use is less than 50% of the actual allocated storage."
  },
  "externalURL": "http://kube-prometheus-stack-alertmanager.monitoring:9093",
  "version": "4",
  "groupKey": "{}:{namespace=\"kube-system\"}",
  "truncatedAlerts": 0
}

• resolved

{
  "receiver": "WebhookAlert",
  "status": "resolved",
  "alerts": [
    {
      "status": "resolved",
      "labels": {
        "alertname": "etcdDatabaseHighFragmentationRatio",
        "endpoint": "http-metrics",
        "instance": "172.22.0.2:2381",
        "job": "kube-etcd",
        "namespace": "kube-system",
        "pod": "etcd-kind-control-plane",
        "prometheus": "monitoring/kube-prometheus-stack-prometheus",
        "service": "kube-prometheus-stack-kube-etcd",
        "severity": "warning"
      },
      "annotations": {
        "description": "etcd cluster \"kube-etcd\": database size in use on instance 172.22.0.2:2381 is 20.99% of the actual allocated disk space, please run defragmentation (e.g. etcdctl defrag) to retrieve the unused fragmented disk space.",
        "runbook_url": "https://etcd.io/docs/v3.5/op-guide/maintenance/#defragmentation",
        "summary": "etcd database size in use is less than 50% of the actual allocated storage."
      },
      "startsAt": "2022-12-14T01:32:49.278Z",
      "endsAt": "2022-12-14T02:13:49.278Z",
      "generatorURL": "http://kube-prometheus-stack-prometheus.monitoring:9090/graph?g0.expr=%28last_over_time%28etcd_mvcc_db_total_size_in_use_in_bytes%5B5m%5D%29+%2F+last_over_time%28etcd_mvcc_db_total_size_in_bytes%5B5m%5D%29%29+%3C+0.5&g0.tab=1",
      "fingerprint": "bc6e3ddcbe61b398"
    }
  ],
  "groupLabels": {
    "namespace": "kube-system"
  },
  "commonLabels": {
    "alertname": "etcdDatabaseHighFragmentationRatio",
    "endpoint": "http-metrics",
    "instance": "172.22.0.2:2381",
    "job": "kube-etcd",
    "namespace": "kube-system",
    "pod": "etcd-kind-control-plane",
    "prometheus": "monitoring/kube-prometheus-stack-prometheus",
    "service": "kube-prometheus-stack-kube-etcd",
    "severity": "warning"
  },
  "commonAnnotations": {
    "description": "etcd cluster \"kube-etcd\": database size in use on instance 172.22.0.2:2381 is 20.99% of the actual allocated disk space, please run defragmentation (e.g. etcdctl defrag) to retrieve the unused fragmented disk space.",
    "runbook_url": "https://etcd.io/docs/v3.5/op-guide/maintenance/#defragmentation",
    "summary": "etcd database size in use is less than 50% of the actual allocated storage."
  },
  "externalURL": "http://kube-prometheus-stack-alertmanager.monitoring:9093",
  "version": "4",
  "groupKey": "{}:{namespace=\"kube-system\"}",
  "truncatedAlerts": 0
}

Build

docker build -t hub.github.com/atompi/webhookbot:v1.1.0 .

Deploy

mkdir -p conf/tmpl
# prepare conf/webhookbot.yaml and conf/tmpl/ (copy from examples/tmpl) folder
docker-compose up -d

Documentation

Overview

Copyright © 2022 Atom Pi <coder.atompi@gmail.com>

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.