add authentication to k8s related scripts

import-scripts/delete_slow_to_terminate_pods.sh

@@ -183,6 +183,7 @@ MY_FLOCK_FILEPATH="/data/portal-cron/cron-lock/delete_slow_to_terminate_pods.loc
         mv $temp_file $POD_TERMINATING_TIMESTAMP_FILE
     }
 
+    /data/portal-cron/scripts/authenticate_service_account.sh 
     check_for_dependencies
     now=$(date +%s)
     make_work_dir_if_necessary

import-scripts/precache-portals.py

@@ -28,6 +28,13 @@
 # ----------------------------------------------------------
 # Functions wrapping k8s/timing checks
 
+def authenticate_service_account():
+    try:
+        subprocess.check_output(["/data/portal-cron/scripts/authenticate_service_account.sh"])
+    except:
+        print "Attempt to authenticate to k8s cluster failed with non-zero exit status, exiting..."
+        sys.exit(1)
+
 # get pods associated with deployment
 def get_deployed_pods(deployment_name):
     deployed_pods = subprocess.check_output(["/bin/bash", "-c", "kubectl get pods | grep %s | sed 's/\s\s*/\t/g' | cut -f1" % (deployment_name)]).rstrip().split("\n")

import-scripts/restart-portal-pods.sh

@@ -9,6 +9,7 @@ if ! which $KUBECTL_BINARY > /dev/null 2>&1 ; then
 fi
 
 unset portal_to_deployment_map
+
 declare -A portal_to_deployment_map
 portal_to_deployment_map["public"]="cbioportal-spring-boot"
 portal_to_deployment_map["genie-public"]="cbioportal-backend-genie-public"
@@ -49,6 +50,8 @@ if [ -z "$deployment_id" ] ; then
     echo "invalid portal_id : $portal_id"
     print_portal_id_values
 fi
+
+/data/portal-cron/scripts/authenticate_service_account.sh 
 $KUBECTL_BINARY set env deployment $deployment_id --env="LAST_RESTART=$(date)"
 
 if [ -z "$preserve_cache_flag" ] ; then