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: $0 [OPTIONS]"
  21     echo -e "Uninstall OSM Monitoring"
  22     echo -e "  OPTIONS"
  23     echo -e "     -n <namespace>:   use specified kubernetes namespace - default: monitoring"
  24     echo -e "     --helm        :   uninstall tiller"
  25     echo -e "     --debug       :   debug script"
  26     echo -e "     -h / --help   :   print this help"
  27 }
  28
  29 NAMESPACE=monitoring
  30 HELM=""
  31 DEBUG=""
  32 while getopts ":h-:n:" o; do
  33     case "${o}" in
  34         h)
  35             usage && exit 0
  36             ;;
  37         n)
  38             NAMESPACE="${OPTARG}"
  39             ;;
  40
  41         -)
  42             [ "${OPTARG}" == "help" ] && usage && exit 0
  43             [ "${OPTARG}" == "helm" ] && HELM="y" && continue
  44             [ "${OPTARG}" == "debug" ] && DEBUG="y" && continue
  45             echo -e "Invalid option: '--$OPTARG'\n" >&2
  46             usage && exit 1
  47             ;;
  48
  49         \?)
  50             echo -e "Invalid option: '-$OPTARG'\n" >&2
  51             usage && exit 1
  52             ;;
  53         *)
  54             usage && exit 1
  55             ;;
  56     esac
  57 done
  58
  59 function dump_vars(){
  60     echo "NAMESPACE=$NAMESPACE"
  61     echo "HELM=$NOTILLER"
  62     echo "DEBUG=$DEBUG"
  63 }
  64
  65 if [ -n "$DEBUG" ] ; then
  66         set -x
  67 fi
  68
  69
  70
  71 # remove dashboards
  72 echo "Deleting dashboards...."
  73 kubectl -n $NAMESPACE delete configmap osm-monitoring-osm-summary-grafana > /dev/null 2>&1
  74 kubectl -n $NAMESPACE delete configmap osm-monitoring-osm-nodes-grafana > /dev/null 2>&1
  75 kubectl -n $NAMESPACE delete configmap osm-monitoring-prometheus-kafka-exporter-grafana > /dev/null 2>&1
  76 kubectl -n $NAMESPACE delete configmap osm-monitoring-prometheus-mysql-exporter-grafana > /dev/null 2>&1
  77 kubectl -n $NAMESPACE delete configmap osm-monitoring-prometheus-mongodb-exporter-grafana > /dev/null 2>&1
  78
  79 # remove exporters
  80 echo "Deleting exporters...."
  81 helm delete --purge osm-kafka-exporter > /dev/null 2>&1
  82 helm delete --purge osm-mysql-exporter > /dev/null 2>&1
  83 helm delete --purge osm-mongodb-exporter > /dev/null 2>&1
  84
  85 # remove prometheus-operator
  86 echo "Deleting prometheus-operator...."
  87 helm delete --purge osm-monitoring > /dev/null 2>&1
  88
  89 # Delete CRDs
  90 kubectl delete crd prometheusrules.monitoring.coreos.com > /dev/null 2>&1
  91 kubectl delete crd servicemonitors.monitoring.coreos.com > /dev/null 2>&1
  92 kubectl delete crd alertmanagers.monitoring.coreos.com > /dev/null 2>&1
  93 kubectl delete crd prometheuses.monitoring.coreos.com > /dev/null 2>&1
  94 kubectl delete crd alertmanagers.monitoring.coreos.com > /dev/null 2>&1
  95 kubectl delete crd podmonitors.monitoring.coreos.com > /dev/null 2>&1
  96
  97 # Delete monitoring namespace
  98 echo "Deleting monitoring namespace...."
  99 kubectl delete namespace $NAMESPACE
 100
 101 if [ -n "$HELM" ] ; then
 102     sudo helm reset --force
 103     kubectl delete --namespace kube-system serviceaccount tiller
 104     kubectl delete clusterrolebinding tiller-cluster-rule
 105     sudo rm /usr/local/bin/helm
 106     rm -rf $HOME/.helm
 107 fi