rawlinp commented on a change in pull request #2785: In Traffic Router Support
Snapshots which only update Delivery Services
URL: https://github.com/apache/trafficcontrol/pull/2785#discussion_r236907390
##########
File path:
traffic_router/core/src/main/java/com/comcast/cdn/traffic_control/traffic_router/core/config/ConfigHandler.java
##########
@@ -128,136 +139,213 @@ public AnonymousIpDatabaseUpdater
getAnonymousIpDatabaseUpdater() {
return anonymousIpDatabaseUpdater;
}
- @SuppressWarnings({"PMD.CyclomaticComplexity", "PMD.NPathComplexity",
"PMD.AvoidCatchingThrowable"})
- public boolean processConfig(final String jsonStr) throws
JsonUtilsException, IOException {
+ @SuppressWarnings({"PMD.AvoidCatchingThrowable"})
+ public boolean processConfig(final String snapJson, final String
compJson) throws JsonUtilsException, IOException {
isProcessing.set(true);
- LOGGER.info("Entered processConfig");
- if (jsonStr == null) {
+ LOGGER.debug("Entered processConfig");
+ if (snapJson == null) {
trafficRouterManager.setCacheRegister(null);
cancelled.set(false);
isProcessing.set(false);
publishStatusQueue.clear();
- LOGGER.info("Exiting processConfig: No json data to
process");
+ LOGGER.info("Exiting processConfig: No json data to
process because snapshot was NULL.");
return false;
}
Date date;
- synchronized(configSync) {
+ synchronized (configSync) {
final ObjectMapper mapper = new ObjectMapper();
- final JsonNode jo = mapper.readTree(jsonStr);
- final JsonNode config = JsonUtils.getJsonNode(jo,
"config");
+ final JsonNode jo = mapper.readTree(snapJson);
final JsonNode stats = JsonUtils.getJsonNode(jo,
"stats");
-
+ final ObjectMapper compmapper = new ObjectMapper();
+ JsonNode cjo = null;
+ if (compJson != null) {
+ cjo = compmapper.readTree(compJson);
+ }
+ // Check to see if this is a new Snapshot
final long sts = getSnapshotTimestamp(stats);
date = new Date(sts * 1000L);
-
- if (sts <= getLastSnapshotTimestamp()) {
+ if (sts < getLastSnapshotTimestamp()) {
cancelled.set(false);
isProcessing.set(false);
publishStatusQueue.clear();
- LOGGER.info("Exiting processConfig: Incoming
TrConfig snapshot timestamp (" + sts + ") is older or equal to the loaded
timestamp (" + getLastSnapshotTimestamp() + "); unable to process");
+ LOGGER.info("Exiting processConfig: Incoming
CrConfig snapshot timestamp (" + sts + ") is older than " +
+ "the loaded timestamp (" +
getLastSnapshotTimestamp() + "); unable to process");
return false;
}
-
try {
- parseGeolocationConfig(config);
- parseCoverageZoneNetworkConfig(config);
- parseDeepCoverageZoneNetworkConfig(config);
- parseRegionalGeoConfig(jo);
- parseAnonymousIpConfig(jo);
-
- final CacheRegister cacheRegister = new
CacheRegister();
- final JsonNode deliveryServicesJson =
JsonUtils.getJsonNode(jo, "deliveryServices");
-
cacheRegister.setTrafficRouters(JsonUtils.getJsonNode(jo, "contentRouters"));
- cacheRegister.setConfig(config);
- cacheRegister.setStats(stats);
- parseTrafficOpsConfig(config, stats);
-
- final Map<String, DeliveryService>
deliveryServiceMap = parseDeliveryServiceConfig(JsonUtils.getJsonNode(jo,
deliveryServicesKey));
-
- parseCertificatesConfig(config);
-
certificatesPublisher.setDeliveryServicesJson(deliveryServicesJson);
- final ArrayList<DeliveryService>
deliveryServices = new ArrayList<>();
-
- if (deliveryServiceMap != null &&
!deliveryServiceMap.values().isEmpty()) {
-
deliveryServices.addAll(deliveryServiceMap.values());
+ // Search for updates, adds and deletes to
delivery services
+ final SnapshotEventsProcessor
snapshotEventsProcessor = SnapshotEventsProcessor
+ .diffCrConfigs(jo, cjo);
+
+ if (snapshotEventsProcessor.shouldLoadAll()) {
+ if (loadEntireSnapshot(jo,
snapshotEventsProcessor)) {
+
ConfigHandler.setLastSnapshotTimestamp(sts);
+ return true;
+ }
+ } else if(processChangeEvents(jo,
snapshotEventsProcessor)) {
+
ConfigHandler.setLastSnapshotTimestamp(sts);
+ return true;
}
+ } catch (ParseException e) {
+ LOGGER.error("Exiting processConfig: Failed to
process config for snapshot from " + date, e);
+ return false;
+ } finally {
+ isProcessing.set(false);
+ cancelled.set(false);
+ publishStatusQueue.clear();
+ }
+ return false;
+ }
+ }
- if (deliveryServiceMap != null &&
!deliveryServiceMap.values().isEmpty()) {
-
certificatesPublisher.setDeliveryServices(deliveryServices);
- }
+ @SuppressWarnings({"PMD.AvoidCatchingThrowable"})
+ private boolean processChangeEvents(final JsonNode jo,
+ final SnapshotEventsProcessor
snapshotEventsProcessor)
+ throws ParseException, JsonUtilsException, IOException {
+ LOGGER.debug("In processChangeEvents");
+ CacheRegister cacheRegister = null;
+ if (trafficRouterManager.getTrafficRouter() != null) {
+ cacheRegister =
trafficRouterManager.getTrafficRouter().getCacheRegister();
+ final int i = cacheRegister.hashCode();
+ LOGGER.debug(i);
Review comment:
Is this debug still necessary? If so, can you add some context to the
message?
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