installers/k8s/change-charts-prometheus-operator.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 # Script to generate new charts for kube-prometheus-stack
  20 HERE=$(dirname $(readlink -f ${BASH_SOURCE[0]}))
  21 source $HERE/versions_monitoring
  22 V_OPERATOR=""
  23
  24 # Assign versions
  25 V_OPERATOR=$PROMETHEUS_OPERATOR
  26
  27 WORK_DIR=$HERE
  28 CHARTS_DIR="$HERE/helm_charts"
  29 mkdir -p $CHARTS_DIR
  30
  31
  32 # Delete old versions
  33 cd $CHARTS_DIR
  34
  35 rm -rf kube-prometheus-stack > /dev/null 2>&1
  36 rm kube-prometheus-stack* > /dev/null 2>&1
  37
  38 echo "Fetching prometheus-community/kube-prometheus-stack..."
  39 helm fetch --version=$V_OPERATOR prometheus-community/kube-prometheus-stack
  40 tar xvf kube-prometheus-stack-$V_OPERATOR.tgz > /dev/null 2>&1
  41 cd $WORK_DIR
  42
  43
  44 # Patching Grafana dashboards
  45 cd $CHARTS_DIR/kube-prometheus-stack/templates/grafana/dashboards-1.14
  46 for f in $(find . -name '*.yaml*');
  47 do
  48     # Set the correct datasource in all dashboards
  49     linenumber=`cat -n $f | grep -A8 '"name": "datasource"' | grep regex | awk '{print $1}'`
  50     sed -e "$linenumber s/\"regex\": \"\"/\"regex\": \"Prometheus\"/" -i $f
  51 done
  52 cd $WORK_DIR
  53
  54
  55 exit 0