Add restart runner functionality

Signed-off-by: Shyam Jesal <s.jesalpura@gmail.com>

scripts/github_runner/start_runners.sh

@@ -24,7 +24,7 @@
 
 if [ -z $1 ] || [ -z $2 ] || [ -z $3 ] || [ -z $4 ]; then
     echo "Parameters missing"
-    echo "USAGE: start_runners.sh <num of runners> https://github.com/<OWNER>/<REPO> <Github Access key> <runner label(comma separated)>"
+    echo "USAGE: start_runners.sh <num of runners> https://github.com/<OWNER>/<REPO> <Github Access key> <runner label(comma separated)> [restart]" 
     exit -1
 fi
 
@@ -48,10 +48,18 @@ RUNNER_TOKEN="$(curl -XPOST -fsSL \
 docker pull vhiveease/integ_test_runner
 docker pull vhiveease/cri_test_runner
 
+
+
 for number in $(seq 1 $1)
 do
     case "$4" in
     "integ")
+
+        if [ "$5" == "restart" ]; then
+            docker container stop $(docker ps --format "{{.Names}}" | grep integration_test-github_runner)
+            docker container rm $(docker ps -a --format "{{.Names}}" | grep integration_test-github_runner)
+        fi
+
         # create access token as mentioned here (https://github.com/myoung34/docker-github-actions-runner#create-github-personal-access-token)
         CONTAINERID=$(docker run -d --restart always --privileged \
             --name "integration_test-github_runner-${number}" \
@@ -65,6 +73,11 @@ do
             vhiveease/integ_test_runner)
         ;;
     "cri")
+
+        if [ "$5" == "restart" ]; then
+            kind get clusters | while read line ; do kind delete cluster --name "$line" ; done
+        fi
+
         kind create cluster --image vhiveease/cri_test_runner --name "cri-test-github-runner-${number}"
         sleep 2m
         docker exec -it \