Cognos PowerCubes aus der Cognos Analytics -Serviceinstanz entfernen

Übersicht

Optionen

-d

Löscht alle PowerCubes aus der Cognos Analytics -Serviceinstanz

-v

Aktiviert den ausführlichen Modus.

-p persistenter_Datenträgername

Der Name des persistenten Datenträgers.

-t. Namensbereich 'tethered_namespace'

Namensbereich, in dem Cognos Analytics bereitgestellt wird.

-h

Gibt die Hilfe an die Konsole aus und wird beendet.

Beispiel

Im folgenden Beispiel wird ein einzelner PVC mit dem Namen powercube1-pvc aus der Cognos Analytics -Serviceinstanz entfernt.

./remove_powercube.sh -t cat -p powercube1-pvc

Im folgenden Beispiel werden alle Cognos PowerCubes -PVCs aus der Cognos Analytics -Serviceinstanz entfernt.

./remove_powercubes.sh -t cat -d

Scriptdatei

Das Script remove_powercubes.sh ist eine Datei mit dem folgenden Inhalt:

#!/usr/bin/env bash
#
# -----------------------------------------------------------------------------
#         Licensed Materials - Property of IBM
#
#         IBM Cognos Products: ca
#
#         (C) Copyright IBM Corp. 2023
#
#         US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule
# -----------------------------------------------------------------------------
#
#
set -e
#set -x
delete_full=false
​
function usage {
    echo $0: usage: $0 [-h] -t tethered_namespace [-p powercube to be deleted] [-d] [-v]
}
​
function help {
    usage
    echo "-h                    Prints help to the console and exits."
    echo "-t                    Required. Namespace in which Cognos
Analytics is provisioned."
    echo "-d                    Deletes all the PowerCubes from the Cognos
Analytics service instance."
    echo "-p                    Name of the persistent volume."
    echo "-v                    Enables verbose mode."
    echo ""
    exit 0
}
​
while getopts ":ht:p:dv" opt; do
     case ${opt} in
     h)
        help
        ;;
     t)
        tethered_namespace=$OPTARG
        ;;
     d)
        delete_full=true
        ;;
     p)
        pvc_name=$OPTARG
        ;;
     v)
        verbose_flag="true"
        ;;
     \?)
        usage
        exit 0
        ;;
     esac
done
​
if [[ -z ${tethered_namespace} ]]; then
    echo "A tethered namespace must be provided"
    help
fi
REPORTING_POD=$(oc -n ${tethered_namespace} get pods  | grep -e "^ca.*-ca-cpd-reporting-.*" | awk '{print $1}')
powercube_home=/opt/ibm/cognos/powercube
cr_name=$(oc -n ${tethered_namespace} get caserviceinstance --no-headers -o custom-columns=NAME:.metadata.name)
echo "List of existing powercube pvc added to the custom resource definition $cr_name..."
oc get caserviceinstance ${cr_name} -n ${tethered_namespace} -o jsonpath='{.spec.powerCube}'
​
if [ $delete_full == true ];then
   echo "Deleting powercube from CR: $cr_name"
   oc patch caserviceinstance ${cr_name} -n ${tethered_namespace} --type=json --patch "[{"op": "remove", "path": "/spec/powerCube"}]"
   #oc exec $REPORTING_POD -c ca-cpd-reporting -- rm -r $powercube_home
else
  echo ""
  echo "Checking if powercube pvc exists in CA Service Instance Custom Resource ..."
  getPc=$(oc get caserviceinstance ${cr_name} -o jsonpath='{.spec.powerCube}' -n ${tethered_namespace})
  if [[ "${getPc[*]}" =~ $pvc_name ]]; then
    echo "The pvc name to be deleted found in the CA Service Instance Custom Resource..."
  else
    echo "PVC to be deleted does not exist in the Custom Resource..."
    exit 1
  fi
  oc get caserviceinstance ${cr_name} -n ${tethered_namespace} -o yaml > "$cr_name"-cr.yaml
  pcBase=$(grep -n "^\s*powerCube:" "$cr_name"-cr.yaml | sed 's/:.*//')
  pcValue=$(grep -n "^\s*powerCube:" "$cr_name"-cr.yaml | sed 's/:.*//' | xargs -I{} grep -n "^\s*- \s*$pvc_name$" "$cr_name"-cr.yaml | cut -d ' ' -f 1| tr -d ':')
  rm "$cr_name"-cr.yaml
  index=$((pcValue-pcBase-1))
  if [[ -z ${index} ]]; then
       echo "A powercube pvc index to be deleted not found. Please try with a valid pvc name to be removed from the customresource"
       exit 1
  fi
  echo "Index to be deleted is $index for $pvc_name"
  oc patch caserviceinstance ${cr_name} -n ${tethered_namespace} --type=json --patch "[{"op": "remove", "path": "/spec/powerCube/${index}"}]"
  #oc exec $REPORTING_POD -c ca-cpd-reporting -- rm -r $powercube_home/${pvc_name}
fi
​
sleep 20
check_status="Completed"
# Checking status of ca reconcile action
for i in {1..240};do
    caStatus=$(oc get caserviceinstance ${cr_name} -o jsonpath="{.status.caStatus}" -n ${tethered_namespace})
​
    if [[ ${caStatus} == ${check_status} ]];then
        echo "ca ${check_status} Successfully"
        break
    elif [[ ${caStatus} == "Failed" ]];then
        echo "ca ${caStatus}!"
        exit 1
    fi
    echo "ca Status: ${caStatus}"
    sleep 30
done
​
echo "Delete the PVC if the project needs to be deleted"
echo "Delete PVC COMMAND : oc delete pvc ${pvc_name} -n ${tethered_namespace}"