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Merge branch '717-cp4d-delete-instancesh-should-not-delete-shared-ser…
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…vices-if-still-in-use' into cpd500
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@fketelaars
fketelaars committed Jun 18, 2024
2 parents 6f8c78f + c5b0bad commit 903fc9f
Showing 1 changed file with 67 additions and 40 deletions.
107 changes: 67 additions & 40 deletions scripts/cp4d/cp4d-delete-instance.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -18,14 +18,6 @@ wait_ns_deleted() {
done
}

wait_ns_deleted() {
NS=$1
log "Waiting for deletion of namespace ${NS} ..."
while $(oc get ns ${NS} > /dev/null 2>&1);do
sleep 1
done
}

delete_operator_ns() {
CP4D_OPERATORS=$1
oc get project ${CP4D_OPERATORS} > /dev/null 2>&1
Expand Down Expand Up @@ -56,6 +48,22 @@ delete_operator_ns() {
fi
}

#When running cp4d-delete-instance.sh, the script always deletes the Certificate Manager and the License Manager.
#This should not be done if these shared services are still in use, for example in another CP4D instance.
check_shared_resources() {
SHARED_RESOURCE_TYPE=$1
SHARED_RESOURCE_NAMESPACE=$2
STATE_VAR=$3

if [ "$(oc get ${SHARED_RESOURCE_TYPE} --all-namespaces --no-headers 2>/dev/null)" != "" ]; then
echo "Found instances of ${SHARED_RESOURCE_TYPE}, keeping ${SHARED_RESOURCE_NAMESPACE} namespace"
eval "${STATE_VAR}=0"
else
echo "No instances of ${SHARED_RESOURCE_TYPE} found"
eval "${STATE_VAR}=1"
fi
}

CP4D_PROJECT=$1
if [ -z "${CP4D_PROJECT}" ];then
echo "Usage: $0 <cp4d-project>"
Expand Down Expand Up @@ -216,41 +224,51 @@ else
echo "Project ${IBM_SCHEDULING} does not exist, skipping"
fi

IBM_LICENSING=ibm-licensing
oc get project ${IBM_LICENSING} > /dev/null 2>&1
if [ $? -eq 0 ];then
log "Deleting everything in the ${IBM_LICENSING} project"
oc delete ibmlicensing --all --ignore-not-found
oc delete sub -n ${IBM_LICENSING} --all --ignore-not-found
oc delete csv -n ${IBM_LICENSING} --all --ignore-not-found

log "Deleting ${IBM_LICENSING} project"
oc delete ns ${IBM_LICENSING} --ignore-not-found --wait=false
wait_ns_deleted ${IBM_LICENSING}
oc delete ns ${IBM_LICENSING} --ignore-not-found --wait=false
wait_ns_deleted ${IBM_LICENSING}
check_shared_resources ibmlicensingdefinition.operator.ibm.com ibm-licensing DELETE_LICENSING
if [ "${DELETE_LICENSING}" -eq 1 ]; then
IBM_LICENSING=ibm-licensing
oc get project ${IBM_LICENSING} > /dev/null 2>&1
if [ $? -eq 0 ]; then
log "Deleting everything in the ${IBM_LICENSING} project"
oc delete ibmlicensing --all --ignore-not-found
oc delete sub -n ${IBM_LICENSING} --all --ignore-not-found
oc delete csv -n ${IBM_LICENSING} --all --ignore-not-found

log "Deleting ${IBM_LICENSING} project"
oc delete ns ${IBM_LICENSING} --ignore-not-found --wait=false
wait_ns_deleted ${IBM_LICENSING}
oc delete ns ${IBM_LICENSING} --ignore-not-found --wait=false
wait_ns_deleted ${IBM_LICENSING}
else
echo "Project ${IBM_LICENSING} does not exist, skipping"
fi
else
echo "Project ${IBM_LICENSING} does not exist, skipping"
echo "Keeping ${IBM_LICENSING} namespace due to shared resources"
fi

IBM_CERT_MANAGER=ibm-cert-manager
oc get project ${IBM_CERT_MANAGER} > /dev/null 2>&1
if [ $? -eq 0 ];then
log "Deleting everything in the ${IBM_CERT_MANAGER} project"
oc delete lease -n ${IBM_CERT_MANAGER} --all --ignore-not-found
oc delete endpointslice -n ${IBM_CERT_MANAGER} --all --ignore-not-found
oc delete endpoints -n ${IBM_CERT_MANAGER} --all --ignore-not-found

oc delete sub -n ${IBM_CERT_MANAGER} --all --ignore-not-found
oc delete csv -n ${IBM_CERT_MANAGER} --all --ignore-not-found

log "Deleting ${IBM_CERT_MANAGER} project"
oc delete ns ${IBM_CERT_MANAGER} --ignore-not-found --wait=false
wait_ns_deleted ${IBM_CERT_MANAGER}
oc delete ns ${IBM_CERT_MANAGER} --ignore-not-found --wait=false
wait_ns_deleted ${IBM_CERT_MANAGER}
check_shared_resources certificaterequests.cert-manager.io ibm-cert-manager DELETE_CERT_MANAGER
if [ "${DELETE_CERT_MANAGER}" -eq 1 ]; then
IBM_CERT_MANAGER=ibm-cert-manager
oc get project ${IBM_CERT_MANAGER} > /dev/null 2>&1
if [ $? -eq 0 ]; then
log "Deleting everything in the ${IBM_CERT_MANAGER} project"
oc delete lease -n ${IBM_CERT_MANAGER} --all --ignore-not-found
oc delete endpointslice -n ${IBM_CERT_MANAGER} --all --ignore-not-found
oc delete endpoints -n ${IBM_CERT_MANAGER} --all --ignore-not-found

oc delete sub -n ${IBM_CERT_MANAGER} --all --ignore-not-found
oc delete csv -n ${IBM_CERT_MANAGER} --all --ignore-not-found

log "Deleting ${IBM_CERT_MANAGER} project"
oc delete ns ${IBM_CERT_MANAGER} --ignore-not-found --wait=false
wait_ns_deleted ${IBM_CERT_MANAGER}
oc delete ns ${IBM_CERT_MANAGER} --ignore-not-found --wait=false
wait_ns_deleted ${IBM_CERT_MANAGER}
else
echo "Project ${IBM_CERT_MANAGER} does not exist, skipping"
fi
else
echo "Project ${IBM_CERT_MANAGER} does not exist, skipping"
echo "Keeping ${IBM_CERT_MANAGER} namespace due to shared resources"
fi

# Delete other elements belonging to CP4D install
Expand Down Expand Up @@ -294,9 +312,18 @@ oc delete catsrc -n openshift-marketplace \
#
log "Deleting IBM CRDs that don't have an instance anymore"
for crd in $(oc get crd --no-headers | awk '{print $1}' | grep -E '\.ibm|mantaflows\.adl');do
if [[ "$(oc get ${crd} --no-headers -A 2>/dev/null)" == "" ]] && [[ "${crd}" != *ocscluster* ]];then
if [[ "$(oc get ${crd} --no-headers -A 2>/dev/null)" != "" ]] ;then
log "Not deleting CRD ${crd}, still has some instances"
elif [[ "${crd}" == *ocscluster* ]];then
log "Not deleting OpenShift Data Foundation CRD ${crd}, still needed"
elif [[ "${crd}" == *ibmlicensing* ]] && [ "${DELETE_LICENSING}" -ne 1 ];then
log "Not deleting license server CRD ${crd}, still needed"
elif [[ "${crd}" == *cert* ]] && [ "${DELETE_CERT_MANAGER}" -ne 1 ];then
log "Not deleting certificate manager CRD ${crd}, still needed"
else
oc delete crd $crd
fi
done


exit 0

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