Give a warn if some addresses fail but other work

SiteTests/FroNtier/tests/CE-cms-squid

@@ -2,7 +2,7 @@
 
 shopt -s expand_aliases
 
-SCRIPT_REVISION="2019-04-15, Dave Dykstra and Edita Kizinevic"
+SCRIPT_REVISION="2019-04-16, Dave Dykstra and Edita Kizinevic"
 
 # Source the CMS environment
 if [ -n "$OSG_GRID" ] ; then
@@ -127,6 +127,7 @@ check_proxies() {
                     echo 'select 1 from dual' | FRONTIER_SERVER="$proxy_IP(serverurl=http://cmsfrontier.cern.ch:8000/FrontierProd)(failovertoserver=no)" fn-req > $output
                     if grep -q " 1 NUMBER" $output ; then
                         echo "$proxy_IP is OK"
+                        ever_succeeded=true
                     else
                         echo "$proxy_IP is FAILED:"
                         cat $output
@@ -157,13 +158,17 @@ echo
 # Check proxies
 output="output.txt"
 ever_failed=false
+ever_succeeded=false
 check_proxies "$FNCONNECT"
 
 #Check test results
-if $ever_failed ; then
+if [ "$ever_failed" == false ] && [ "$ever_succeeded" == true ]; then
+    echo "Proxy test is OK."
+    exit $SAME_OK
+elif [ "$ever_failed" == true ] && [ "$ever_succeeded" == true ]; then
+    echo "At least one of proxies is FAILED."
+    exit $SAME_WARNING
+else
     echo "Proxy test is FAILED."
     exit $SAME_ERROR
-else
-    echo "Proxy test is OK"
-    exit $SAME_OK
 fi