Add Logs for SessionHelper

server/routerlicious/packages/routerlicious-base/src/utils/sessionHelper.ts

@@ -74,12 +74,21 @@ async function updateExistingSession(
     // that ops are backed up to a global location before a session is allowed to move.
     // Otherwise, a moved session could end up without access to ops that still only exist in a location's
     // non-global storage.
+    const sessionStickyCalculationTimestamp = Date.now();
     const isSessionSticky = document.lastAccessTime !== undefined
-        ? Date.now() - document.lastAccessTime < sessionStickinessDurationMs
+        ? sessionStickyCalculationTimestamp - document.lastAccessTime < sessionStickinessDurationMs
         : false; // If no session end has been recorded, allow session to move.
     // Allow session stickiness to be overridden by manually deleting a session's orderer/historian urls.
     const sessionHasLocation: boolean =
         !!existingSession.ordererUrl && !!existingSession.historianUrl && !!existingSession.deltaStreamUrl;
+    Lumberjack.info("Calculated isSessionSticky and sessionHasLocation", {
+        ...lumberjackProperties,
+        isSessionSticky,
+        sessionHasLocation,
+        documentLastAccessTime: document.lastAccessTime,
+        sessionStickyCalculationTimestamp,
+        sessionStickinessDurationMs,
+        });
     if (!isSessionSticky || !sessionHasLocation) {
         // Allow session location to be moved.
         if (
@@ -89,22 +98,26 @@ async function updateExistingSession(
         ) {
             // Previous session was in a different location. Move to current location.
             // Reset logOffset, ordererUrl, and historianUrl when moving session location.
-            Lumberjack.info(
-                `Reset logOffset, ordererUrl, and historianUrl when switching cluster.`,
-                lumberjackProperties,
-            );
+            Lumberjack.info("Moving session", {
+                ...lumberjackProperties,
+                // eslint-disable-next-line max-len
+                oldSessionLocation: { ordererUrl: existingSession.ordererUrl, historianUrl: existingSession.historianUrl, deltaStreamUrl: existingSession.deltaStreamUrl },
+                newSessionLocation: { ordererUrl, historianUrl, deltaStreamUrl },
+              });
             updatedOrdererUrl = ordererUrl;
             updatedHistorianUrl = historianUrl;
             updatedDeltaStreamUrl = deltaStreamUrl;
             if (document.deli !== "") {
                 const deli = JSON.parse(document.deli);
                 deli.logOffset = -1;
                 updatedDeli = JSON.stringify(deli);
+                Lumberjack.info(`Reset deli logOffset as -1`, lumberjackProperties);
             }
             if (document.scribe !== "") {
                 const scribe = JSON.parse(document.scribe);
                 scribe.logOffset = -1;
                 updatedScribe = JSON.stringify(scribe);
+                Lumberjack.info(`Reset scribe logOffset as -1`, lumberjackProperties);
             }
         }
     }
@@ -129,6 +142,10 @@ async function updateExistingSession(
                 session: updatedSession,
             },
             null);
+        Lumberjack.info(
+            `The Session ${JSON.stringify(updatedSession)} was updated into the document collection`,
+            lumberjackProperties,
+        );
     } catch (error) {
         Lumberjack.error("Error persisting update to existing document session", lumberjackProperties, error);
         throw new NetworkError(500, "Failed to persist update to document session");