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48 lines
2.7 KiB
Bash
Executable File
48 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env sh
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# this scripts logins as kubeadmin and removes the namespaces that are more than oneday old.
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# this script is used in a kubernetes cronjob for PSI/IBM cloud openshift cluster.
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# TEAM_PROVIDED is used to check if the namespace belongs to that team or not
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TEAM_PROVIDED=${TEAM_PROVIDED:-"odo"}
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# login as kubeadmin
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if [[ $CLUSTER_TYPE == "PSI" ]]; then
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 #PSI cluster login
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 oc login -u kubeadmin -p ${OCP4X_KUBEADMIN_PASSWORD} --insecure-skip-tls-verify ${OCP4X_API_URL}
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else
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 # Login to cluster in IBM Cloud using cluster API key
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 oc login -u ${IBM_OC_LOGIN_USER} -p ${IBMC_ADMIN_OCLOGIN_APIKEY} --server=${IBMC_OCP47_SERVER}
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fi
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# PROJECT_AND_TIME var will contain namespace and date with time seperated with `|`
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# PROJECT_AND_TIME is selected using labels app and team. e.g: app=test and team=odo
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# eg. cmd-push-test157kgb|2021-08-17T12:40:20Z
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PROJECT_AND_TIME=$(kubectl get namespace -o jsonpath='{range .items[*]}{.metadata.name}{"|"}{.metadata.creationTimestamp} {"\n"}{end}' | grep -v '^openshift\|^kube\|^default\|^ibm\|^calico\|^tigera\|^odo-operator-test')
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for PROJECT in ${PROJECT_AND_TIME}; do
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IFS='|' read -r PRJ TIME <<<"$PROJECT" # seperate the Namespace and time of creation using IFS(Input Field Seperators) value `|`
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CONFIGMAP=$(kubectl get configmaps -n $PRJ -o jsonpath='{range .items[*]}{.metadata.name}{"\n"}' | grep config-map-for-cleanup) # check if PROJECT contains configmap named 'config-map-for-cleanup'
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# if not then the value of CONFIGMAP will be empty
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if [[ ! -z $CONFIGMAP ]]; then
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TEAMANDTYPE=$(kubectl get configmaps $CONFIGMAP -n $PRJ -o jsonpath='{.data.team}{"|"}{.data.type}') # fetch team and tyoe(testing) data from the configmap
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IFS='|' read -r TEAM TYPE <<<"$TEAMANDTYPE" # seperate the TEAM and TYPE of creation using IFS(Input Field Seperators) value `|`
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if [[ $TYPE -eq "testing" ]] && [[ $TEAM -eq $TEAM_PROVIDED ]]; then # check if type if testing
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dtSec=$(date --date "${TIME}" +'%s') # convert time in sec for namespace age
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taSec=$(date --date "1 days ago" +'%s') # convert time allowed for the namespace to be in the cluster
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if [ $dtSec -lt $taSec ]; then
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echo "INFO: Project="${PRJ}, "Date=" ${TIME}
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echo too old project : ${TIME}
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# delete namespace
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echo Delete project : ${PRJ}
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kubectl delete namespace ${PRJ} # delete namespace
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echo ---------
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fi
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fi
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fi
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done
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