Continue with another proxy if FindProxyForURL is not find

SiteTests/FroNtier/tests/CE-cms-squid

@@ -2,7 +2,7 @@
 
 shopt -s expand_aliases
 
-SCRIPT_REVISION="2019-04-16, Dave Dykstra and Edita Kizinevic"
+SCRIPT_REVISION="2019-08-26, Dave Dykstra and Edita Kizinevic"
 
 # Source the CMS environment
 if [ -n "$OSG_GRID" ] ; then
@@ -122,16 +122,16 @@ check_proxies() {
                 done
                 ;;
             *"(proxyconfigurl="*)
-                if [ "$FindProxyForURL" == false ]; then
-                    echo "Converting $proxy proxyconfigurl to proxyurl started:" `date`
+                if [ "$found_proxyconfig" == false ]; then
+                    proxy_config_url=$proxy
+                    echo "Converting $proxy_config_url proxyconfigurl to proxyurl started:" `date`
                     echo
-                    echo 'select 1 from dual' | FRONTIER_LOG_LEVEL=debug FRONTIER_SERVER="$proxy(serverurl=http://cmsfrontier.cern.ch:8000/FrontierProd)(failovertoserver=no)" fn-req > $debug_output
+                    echo 'select 1 from dual' | FRONTIER_LOG_LEVEL=debug FRONTIER_SERVER="$proxy(serverurl=http://cmsfrontier.cern.ch:8000/FrontierProd)(failovertoserver=no)" fn-req > $debug_output 2>&1
                     if grep -q "FindProxyForURL" $debug_output ; then
-                        FindProxyForURL=true
+                        found_proxyconfig=true
+                        PROXYLIST="`sed -n '/returned "PROXY/{s/.*returned "//;s/PROXY /(proxyurl=/g;s/;/)/g;s/"/)/;p;q}' $debug_output`"
+                        check_proxies "$PROXYLIST"
                     fi
-                    PROXYLIST="`sed -n '/returned "PROXY/{s/.*returned "//;s/PROXY /(proxyurl=/g;s/;/)/g;s/"/)/;p;q}' $debug_output`"
-                    proxy_config_url=$proxy
-                    check_proxies "$PROXYLIST"
                     echo "Converting $proxy_config_url proxyconfigurl to proxyurl ended:" `date`
                     echo
                 fi
@@ -151,7 +151,7 @@ debug_output="debug_output.txt"
 output="output.txt"
 ever_failed=false
 ever_succeeded=false
-FindProxyForURL=false
+found_proxyconfig=false
 found_proxy=false
 check_proxies "$FNCONNECT"