Vijay-1 commented on a change in pull request #1908: Changes for Backup Edge
Cache Group
URL:
https://github.com/apache/incubator-trafficcontrol/pull/1908#discussion_r171767000
##########
File path:
traffic_router/core/src/main/java/com/comcast/cdn/traffic_control/traffic_router/core/router/TrafficRouter.java
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@@ -675,17 +678,40 @@ public CacheLocation getCoverageZoneCacheLocation(final
String ip, final String
return cacheLocation;
}
- // We had a hit in the CZF but the name does not match a known
cache location.
- // Check whether the CZF entry has a geolocation and use it if
so.
- return
getClosestCacheLocation(cacheRegister.filterAvailableLocations(deliveryServiceId),
networkNode.getGeolocation(),
cacheRegister.getDeliveryService(deliveryServiceId));
+ if (networkNode.getBackupLoc() != null ) {
+ for (final String element : networkNode.getBackupLoc())
{
+ final CacheLocation bkCacheLocation =
getCacheRegister().getCacheLocationById(element);
+ if (bkCacheLocation != null &&
!getSupportingCaches(bkCacheLocation.getCaches(), deliveryService).isEmpty()) {
+ LOGGER.info("Got backup CZ cache group
" + bkCacheLocation.getId() + " for " + ip + ", ds " + deliveryServiceId);
+ if (track != null) {
+
track.setFromBackupCzGroup(true);
+ }
+ return bkCacheLocation;
+ }
+ }
+ }
+
+ if ((networkNode.getBackupLoc() != null &&
networkNode.isUseClosest()) || (networkNode.getBackupLoc() == null)) {
Review comment:
Got you. Let me fix this.
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