add attach_test_4disks
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umagnus
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# use sh attach_detach_test_4disks.sh 100 default file.txt to test 100 pods with 400 default sc disks and write results in file.txt.
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# attach_detach_test_4disks.sh use pod in running state for attach test and volumeattachments in false for detach test.
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kubectl create ns test
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predate=$(date +"%Y-%m-%d %H:%M:%S")
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pvcflag=0
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pvcflag2=0
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pvcflag3=0
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p50=$(($1/2))
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p90=$(($1/10*9))
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p99=$(($1/100*99))
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p100=$1
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diskp50=$(($1*2))
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diskp90=$(($1*36/10))
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diskp99=$(($1*99/25))
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diskp100=$(($1*4))
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cat <<EOF | kubectl apply -f -
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: statefulset-azuredisk-5disks
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namespace: test
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labels:
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app: nginx
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spec:
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podManagementPolicy: Parallel # default is OrderedReady
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serviceName: statefulset-azuredisk-5disks
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replicas: $1
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template:
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metadata:
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labels:
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app: nginx
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spec:
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containers:
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- name: statefulset-azuredisk1
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image: mcr.microsoft.com/oss/nginx/nginx:1.19.5
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command:
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- "/bin/bash"
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- "-c"
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- set -euo pipefail; while true; do echo $(date) >> /mnt/azuredisk/outfile; sleep 1; done
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volumeMounts:
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- name: persistent-storage
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mountPath: /mnt/azuredisk
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- name: persistent-storage2
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mountPath: /mnt/azuredisk2
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- name: persistent-storage3
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mountPath: /mnt/azuredisk3
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- name: persistent-storage4
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mountPath: /mnt/azuredisk4
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updateStrategy:
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type: RollingUpdate
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selector:
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matchLabels:
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app: nginx
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volumeClaimTemplates:
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- metadata:
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name: persistent-storage
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annotations:
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volume.beta.kubernetes.io/storage-class: $2
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spec:
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accessModes: [ "ReadWriteOnce" ]
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resources:
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requests:
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storage: 1Gi
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- metadata:
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name: persistent-storage2
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annotations:
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volume.beta.kubernetes.io/storage-class: $2
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spec:
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accessModes: [ "ReadWriteOnce" ]
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resources:
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requests:
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storage: 1Gi
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- metadata:
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name: persistent-storage3
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annotations:
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volume.beta.kubernetes.io/storage-class: $2
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spec:
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accessModes: [ "ReadWriteOnce" ]
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resources:
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requests:
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storage: 1Gi
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- metadata:
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name: persistent-storage4
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annotations:
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volume.beta.kubernetes.io/storage-class: $2
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spec:
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accessModes: [ "ReadWriteOnce" ]
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resources:
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requests:
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storage: 1Gi
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EOF
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readynum=$(kubectl get pod -n test --field-selector=status.phase==Running | awk 'END{print NR}')
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while [ $readynum -le $p50 ]
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do
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pvcnum=$(kubectl get pvc -n test | grep Bound | awk 'END{print NR}')
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if [ $pvcnum -ge $diskp50 ] && [ $pvcflag -eq 0 ]; then
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date2=$(date +"%Y-%m-%d %H:%M:%S")
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pvcflag=1
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echo "pv creation p50: $(( $(date -d "$date2" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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fi
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if [ $pvcnum -ge $diskp90 ] && [ $pvcflag2 -eq 0 ]; then
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date2=$(date +"%Y-%m-%d %H:%M:%S")
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pvcflag2=1
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echo "pv creation p90: $(( $(date -d "$date2" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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fi
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if [ $pvcnum -ge $diskp99 ] && [ $pvcflag3 -eq 0 ]; then
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date2=$(date +"%Y-%m-%d %H:%M:%S")
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pvcflag3=1
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echo "pv creation p99: $(( $(date -d "$date2" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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fi
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sleep 1
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date1=$(date +"%Y-%m-%d %H:%M:%S")
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readynum=$(kubectl get pod -n test --field-selector=status.phase==Running | awk 'END{print NR}')
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done
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echo "attach p50: $(( $(date -d "$date1" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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while [ $readynum -le $p90 ]
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do
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pvcnum=$(kubectl get pvc -n test | grep Bound | awk 'END{print NR}')
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if [ $pvcnum -ge $diskp90 ] && [ $pvcflag2 -eq 0 ]; then
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date2=$(date +"%Y-%m-%d %H:%M:%S")
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pvcflag2=1
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echo "pv creation p90: $(( $(date -d "$date2" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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fi
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if [ $pvcnum -ge $diskp99 ] && [ $pvcflag3 -eq 0 ]; then
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date2=$(date +"%Y-%m-%d %H:%M:%S")
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pvcflag3=1
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echo "pv creation p99: $(( $(date -d "$date2" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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fi
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sleep 1
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date1=$(date +"%Y-%m-%d %H:%M:%S")
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readynum=$(kubectl get pod -n test --field-selector=status.phase==Running | awk 'END{print NR}')
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done
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echo "attach p90: $(( $(date -d "$date1" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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while [ $readynum -le $p99 ]
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do
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pvcnum=$(kubectl get pvc -n test | grep Bound | awk 'END{print NR}')
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if [ $pvcnum -ge $diskp99 ] && [ $pvcflag3 -eq 0 ]; then
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date2=$(date +"%Y-%m-%d %H:%M:%S")
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pvcflag3=1
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echo "pv creation p99: $(( $(date -d "$date2" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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fi
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sleep 1
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date1=$(date +"%Y-%m-%d %H:%M:%S")
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readynum=$(kubectl get pod -n test --field-selector=status.phase==Running | awk 'END{print NR}')
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done
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echo "attach p99: $(( $(date -d "$date1" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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while [ $readynum -le $p100 ]
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do
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sleep 1
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date1=$(date +"%Y-%m-%d %H:%M:%S")
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readynum=$(kubectl get pod -n test --field-selector=status.phase==Running | awk 'END{print NR}')
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done
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echo "attach p100: $(( $(date -d "$date1" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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echo "sleep 5 minutes between attach and detach test..." >> $3
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sleep 5m
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predate=$(date +"%Y-%m-%d %H:%M:%S")
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kubectl delete statefulset statefulset-azuredisk-5disks -n test
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kubectl delete pvc -n test --all &
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detachnum=$(kubectl get volumeattachments -n test | grep true | grep pvc- | awk 'END{print NR}')
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while [ $detachnum -gt $((diskp100-pdisk50)) ]
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do
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sleep 1
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date1=$(date +"%Y-%m-%d %H:%M:%S")
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detachnum=$(kubectl get volumeattachments -n test | grep true | grep pvc- | awk 'END{print NR}')
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done
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echo "detach p50: $(( $(date -d "$date1" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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while [ $detachnum -gt $((diskp100-diskp90)) ]
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do
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sleep 1
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date1=$(date +"%Y-%m-%d %H:%M:%S")
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detachnum=$(kubectl get volumeattachments -n test | grep true | grep pvc- | awk 'END{print NR}')
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done
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echo "detach p90: $(( $(date -d "$date1" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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while [ $detachnum -gt $((diskp100-diskp99)) ]
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do
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sleep 1
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date1=$(date +"%Y-%m-%d %H:%M:%S")
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detachnum=$(kubectl get volumeattachments -n test | grep true | grep pvc- | awk 'END{print NR}')
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done
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echo "detach p99: $(( $(date -d "$date1" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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while [ $detachnum -gt 0 ]
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do
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sleep 1
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date1=$(date +"%Y-%m-%d %H:%M:%S")
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detachnum=$(kubectl get volumeattachments -n test | grep true | grep pvc- | awk 'END{print NR}')
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done
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echo "detach p100: $(( $(date -d "$date1" "+%s") - $(date -d "$predate" "+%s") ))" >> $3
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kubectl delete ns test
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@ -0,0 +1,9 @@
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#!/bin/bash
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for i in $(seq $4)
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do
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echo "`date` test $i" >> $3
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curl -skSL https://raw.githubusercontent.com/Azure/kubernetes-volume-drivers/master/test/attach_detach_test_4disks.sh | bash -s $1 $2 $3 --
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echo "sleep 3 minutes ..." >> $3
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sleep 3m
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done
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