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|
#!/bin/bash
source _common.sh
source _functions.sh
ENV=$(kubectl get nodes --all-namespaces | wc -l)
if [[ $ENV -gt 2 ]]; then
COMPUTE_NODE=$(kubectl get nodes --all-namespaces | grep -v master | awk 'NR==2{print $1}')
else
COMPUTE_NODE=$(kubectl get nodes --all-namespaces | grep master | awk 'NR==1{print $1}')
fi
cases=("exclusive ${COMPUTE_NODE} 1" "shared ${COMPUTE_NODE} -1")
case=(null null 0)
num=${#cases[*]}
POOL=0
NODE=1
CORE=2
DIR=/tmp
pod_name=cmk-test-pod
function start_nginx_pod {
kubectl delete deployment -n default nginx --ignore-not-found=true
kubectl create deployment nginx --image=nginx
kubectl wait deployment nginx --for=condition=available
nginx_pod=$(kubectl get pods --all-namespaces| grep nginx | awk 'NR==1{print $2}')
kubectl delete deployment -n default nginx --ignore-not-found=true
pod_status="Running"
until [[ $pod_status == "" ]]; do
pod_status=$(kubectl get pod $nginx_pod --ignore-not-found=true | awk 'NR==2{print $3}')
done
}
rm -f $DIR/$pod_name.yaml
kubectl delete pod $pod_name --ignore-not-found=true --now --wait
echo
echo "env is $ENV"
echo
for ((i=0;i<$num;i++)); do
inner_case=(${cases[$i]})
num_inner=${#inner_case[*]}
for ((j=0;j<$num_inner;j++)); do
case[$j]=${inner_case[$j]}
done
echo "##################################"
if [ "${case[$POOL]}" == "exclusive" ]; then
echo "TC: to allocate ${case[$CORE]} CPU(s) from pool of ${case[$POOL]} on node of ${case[$NODE]}"
TOTAL=$(kubectl get cmk-nodereport ${case[$NODE]} -o json | jq --arg pool "${case[$POOL]}" '.spec.report.description.pools[$pool].cpuLists|length')
echo "ready to generate yaml"
cat << EOF > $DIR/$pod_name.yaml
apiVersion: v1
kind: Pod
metadata:
labels:
app: cmk-test-pod
name: cmk-test-pod
spec:
nodeName: ${case[$NODE]}
containers:
- args:
- "/opt/bin/cmk isolate --conf-dir=/etc/cmk --pool=exclusive sleep -- 3900"
command:
- "sh"
- "-c"
env:
- name: CMK_PROC_FS
value: "/host/proc"
- name: CMK_NUM_CORES
value: "${case[$CORE]}"
image: ubuntu:18.04
imagePullPolicy: "IfNotPresent"
name: cmk-test
volumeMounts:
- mountPath: "/host/proc"
name: host-proc
- mountPath: "/opt/bin"
name: cmk-install-dir
- mountPath: "/etc/cmk"
name: cmk-conf-dir
restartPolicy: Never
volumes:
- hostPath:
path: "/opt/bin"
name: cmk-install-dir
- hostPath:
path: "/proc"
name: host-proc
- hostPath:
path: "/etc/cmk"
name: cmk-conf-dir
EOF
echo "ready to create pod"
kubectl create -f $DIR/$pod_name.yaml --validate=false
sleep 2
echo "waiting for pod up"
for pod in $pod_name; do
wait_for_pod $pod
done
echo "waiting for CPU allocation finished ..."
rest=$TOTAL
timeout=0
until [[ $TOTAL -gt $rest || $timeout == 180 ]]; do
sleep 1
rest=$(kubectl get cmk-nodereport ${case[$NODE]} -o json | jq '.spec.report.description.pools.exclusive.cpuLists[].tasks|select(type=="array" and length==0)' | wc -l) || echo "$TOTAL"
timeout=$((timeout+1))
done
let allocated=`expr $TOTAL - $rest`
echo "The allocated CPU amount is:" $allocated
echo "deploy a nginx pod"
start_nginx_pod
if [[ $allocated == ${case[$CORE]} ]]; then
echo "CPU was allocated as expected, TC passed !!"
else
echo "failed to allocate CPU ($allocated != ${case[$CORE]}), TC failed !!"
fi
rm -f $DIR/$pod_name.yaml
echo "ready to delete pod"
kubectl delete pod $pod_name --ignore-not-found=true --now --wait
echo "Pod was deleted"
echo "##################################"
echo
echo
[[ $allocated == ${case[$CORE]} ]]
else
echo "TC: to allocate CPU(s) from pool of ${case[$POOL]} on node of ${case[$NODE]}"
echo "ready to generate yaml"
cat << EOF > $DIR/$pod_name.yaml
apiVersion: v1
kind: Pod
metadata:
labels:
app: cmk-test-pod
name: cmk-test-pod
spec:
nodeName: ${case[$NODE]}
containers:
- name: share1
args:
- "/opt/bin/cmk isolate --conf-dir=/etc/cmk --pool=shared sleep -- 3900"
command:
- "sh"
- "-c"
env:
- name: CMK_PROC_FS
value: "/host/proc"
- name: CMK_NUM_CORES
value: "3"
image: ubuntu:18.10
imagePullPolicy: "IfNotPresent"
volumeMounts:
- mountPath: "/host/proc"
name: host-proc
- mountPath: "/opt/bin"
name: cmk-install-dir
- mountPath: "/etc/cmk"
name: cmk-conf-dir
- name: share2
args:
- "/opt/bin/cmk isolate --conf-dir=/etc/cmk --pool=shared sleep -- 3300"
command:
- "sh"
- "-c"
env:
- name: CMK_PROC_FS
value: "/host/proc"
- name: CMK_NUM_CORES
value: "3"
image: ubuntu:18.10
imagePullPolicy: "IfNotPresent"
volumeMounts:
- mountPath: "/host/proc"
name: host-proc
- mountPath: "/opt/bin"
name: cmk-install-dir
- mountPath: "/etc/cmk"
name: cmk-conf-dir
volumes:
- hostPath:
path: "/opt/bin"
name: cmk-install-dir
- hostPath:
path: "/proc"
name: host-proc
- hostPath:
path: "/etc/cmk"
name: cmk-conf-dir
EOF
echo "ready to create pod"
kubectl create -f $DIR/$pod_name.yaml --validate=false
sleep 2
echo "waiting for pod up"
for pod in $pod_name; do
wait_for_pod $pod
done
echo "waiting for CPU allocation finished ..."
rest=0
timeout=0
until [[ $rest == 2 || $timeout == 180 ]]; do
sleep 1
rest=$(kubectl get cmk-nodereport ${case[$NODE]} -o json | jq '.spec.report.description.pools.shared.cpuLists[].tasks' | jq length) || echo "0"
timeout=$((timeout+1))
done
echo "The CPU allocated in shared pool for 2 tasks"
echo "deploy a nginx pod"
start_nginx_pod
if [[ $rest == 2 ]]; then
echo "CPU was allocated as expected, TC passed !!"
else
echo "failed to allocate CPU ($rest != 2), TC failed !!"
fi
rm -f $DIR/$pod_name.yaml
echo "ready to delete pod"
kubectl delete pod $pod_name --ignore-not-found=true --now --wait
echo "Pod was deleted"
echo "##################################"
echo
echo
[[ $rest == 2 ]]
fi
done
|
