installers/k8s/uninstall_osm_k8s_monitoring.sh

   1 #!/bin/bash
   2
   3 #   Copyright 2019 Minsait - Indra S.A.
   4 #
   5 #   Licensed under the Apache License, Version 2.0 (the "License");
   6 #   you may not use this file except in compliance with the License.
   7 #   You may obtain a copy of the License at
   8 #
   9 #       http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #   Unless required by applicable law or agreed to in writing, software
  12 #   distributed under the License is distributed on an "AS IS" BASIS,
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 #   See the License for the specific language governing permissions and
  15 #   limitations under the License.
  16 #   Author: Jose Manuel Palacios (jmpalacios@minsait.com)
  17 #   Author: Jose Antonio Martinez (jamartinezv@minsait.com)
  18
  19 function usage(){
  20     echo -e "usage: $0 [OPTIONS]"
  21     echo -e "Uninstall OSM Monitoring"
  22     echo -e "  OPTIONS"
  23     echo -e "     -n <namespace>:   use specified kubernetes namespace - default: monitoring"
  24     echo -e "     --debug       :   debug script"
  25     echo -e "     -h / --help   :   print this help"
  26 }
  27
  28 NAMESPACE=monitoring
  29 DEBUG=""
  30 while getopts ":h-:n:" o; do
  31     case "${o}" in
  32         h)
  33             usage && exit 0
  34             ;;
  35         n)
  36             NAMESPACE="${OPTARG}"
  37             ;;
  38
  39         -)
  40             [ "${OPTARG}" == "help" ] && usage && exit 0
  41             [ "${OPTARG}" == "debug" ] && DEBUG="y" && continue
  42             echo -e "Invalid option: '--$OPTARG'\n" >&2
  43             usage && exit 1
  44             ;;
  45
  46         \?)
  47             echo -e "Invalid option: '-$OPTARG'\n" >&2
  48             usage && exit 1
  49             ;;
  50         *)
  51             usage && exit 1
  52             ;;
  53     esac
  54 done
  55
  56 function dump_vars(){
  57     echo "NAMESPACE=$NAMESPACE"
  58     echo "DEBUG=$DEBUG"
  59 }
  60
  61 if [ -n "$DEBUG" ] ; then
  62         set -x
  63 fi
  64
  65
  66
  67 # remove dashboards
  68 echo "Deleting dashboards...."
  69 kubectl -n $NAMESPACE delete configmap osm-monitoring-osm-summary-grafana > /dev/null 2>&1
  70 kubectl -n $NAMESPACE delete configmap osm-monitoring-osm-nodes-grafana > /dev/null 2>&1
  71 kubectl -n $NAMESPACE delete configmap osm-monitoring-prometheus-kafka-exporter-grafana > /dev/null 2>&1
  72 kubectl -n $NAMESPACE delete configmap osm-monitoring-prometheus-mysql-exporter-grafana > /dev/null 2>&1
  73 kubectl -n $NAMESPACE delete configmap osm-monitoring-prometheus-mongodb-exporter-grafana > /dev/null 2>&1
  74
  75 # remove exporters
  76 echo "Deleting exporters...."
  77 helm delete --purge osm-kafka-exporter > /dev/null 2>&1
  78 helm delete --purge osm-mysql-exporter > /dev/null 2>&1
  79 helm delete --purge osm-mongodb-exporter > /dev/null 2>&1
  80
  81 # remove kube-prometheus-stack
  82 echo "Deleting kube-prometheus-stack...."
  83 helm delete --purge osm-monitoring > /dev/null 2>&1
  84
  85 # Delete CRDs
  86 kubectl delete crd prometheusrules.monitoring.coreos.com > /dev/null 2>&1
  87 kubectl delete crd servicemonitors.monitoring.coreos.com > /dev/null 2>&1
  88 kubectl delete crd alertmanagers.monitoring.coreos.com > /dev/null 2>&1
  89 kubectl delete crd prometheuses.monitoring.coreos.com > /dev/null 2>&1
  90 kubectl delete crd alertmanagers.monitoring.coreos.com > /dev/null 2>&1
  91 kubectl delete crd podmonitors.monitoring.coreos.com > /dev/null 2>&1
  92
  93 # Delete svcs
  94 kubectl -n kube-system delete service osm-monitoring-kube-promet-coredns
  95 kubectl -n kube-system delete service osm-monitoring-kube-promet-kube-controller-manager
  96 kubectl -n kube-system delete service osm-monitoring-kube-promet-kube-etcd
  97 kubectl -n kube-system delete service osm-monitoring-kube-promet-kube-proxy
  98 kubectl -n kube-system delete service osm-monitoring-kube-promet-kube-scheduler
  99 kubectl -n kube-system delete service osm-monitoring-kube-promet-kubelet
 100
 101 # Delete webhooks
 102 kubectl delete validatingwebhookconfigurations.admissionregistration.k8s.io osm-monitoring-kube-promet-admission
 103 kubectl delete mutatingwebhookconfigurations.admissionregistration.k8s.io osm-monitoring-kube-promet-admission
 104
 105 # Delete monitoring namespace
 106 echo "Deleting monitoring namespace...."
 107 kubectl delete namespace $NAMESPACE