feat(percentage): use actual percentage for cookie value (#6)

Co-authored-by: Robert Schönthal <[email protected]>

.github/workflows/test.yaml

@@ -98,13 +98,13 @@ jobs:
         id: test-percentage-sticky-old-domain
         continue-on-error: true
         run: |
-          curl -Is localhost:80 --cookie "my_app=old_domain" | grep -i -e "server: Apache"
+          curl -Is localhost:80 --cookie "my_app=old_domain_50" | grep -i -e "server: Apache"
 
       - name: Test Docker Image with Percentage Strategy with sticky cookie on new domain
         id: test-percentage-sticky-new-domain
         continue-on-error: true
         run: |
-          curl -Is localhost:80 --cookie "my_app=new_domain" | grep -i -e "x-served-by: cache-"
+          curl -Is localhost:80 --cookie "my_app=new_domain_50" | grep -i -e "x-served-by: cache-"
 
       - name: Test Docker Image with Percentage Strategy with round robin
         id: test-percentage-round-robin

haproxy.cfg

@@ -67,10 +67,10 @@ backend percentage_strategy
   cookie "$COOKIE_PERCENTAGE_NAME" insert indirect
 
   # old domain
-  server-template old_domain_percentage "$SERVER_COUNT" "$OLD_DOMAIN" cookie old_domain weight "$PERCENTAGE_OLD"
+  server-template old_domain_percentage "$SERVER_COUNT" "$OLD_DOMAIN" cookie "old_domain_$PERCENTAGE_OLD" weight "$PERCENTAGE_OLD"
 
   # new domain
-  server-template new_domain_percentage "$SERVER_COUNT" "$NEW_DOMAIN" cookie new_domain weight "$PERCENTAGE_NEW"
+  server-template new_domain_percentage "$SERVER_COUNT" "$NEW_DOMAIN" cookie "new_domain_$PERCENTAGE_NEW" weight "$PERCENTAGE_NEW"
 
 backend cookie_strategy
   balance leastconn