feat(recovery): add rollback implementations

Signed-off-by: Yogesh01000100 <yogeshone678@gmail.com>
hyperledger-cacti · Sep 7, 2024 · 24b8eaf · 24b8eaf
1 parent 9211a53
commit 24b8eaf
Show file tree

Hide file tree

Showing 6 changed files with 134 additions and 81 deletions.
diff --git a/packages/cactus-plugin-satp-hermes/src/main/typescript/core/recovery/crash-manager.ts b/packages/cactus-plugin-satp-hermes/src/main/typescript/core/recovery/crash-manager.ts
@@ -149,41 +149,51 @@ export class CrashRecoveryManager {
     this.log.info(`${fnTag} Checking crash status for session ${sessionId}`);
 
     try {
-      const crashStatus = await this.checkCrash(sessionId);
-      if (crashStatus === CrashStatus.IN_RECOVERY) {
-        // create new occurrence
-        const crashOccurrence = new CrashOccurrence(
-          CrashStatus.IN_RECOVERY,
-          new Date(),
-          new Date(),
-        );
-        this.log.debug(crashOccurrence);
-        // todo manage occurrence
-        // call corresponding services via handler for crash recovery
-        const sessionData = sessionId.hasClientSessionData()
-          ? sessionId.getClientSessionData()
-          : sessionId.getServerSessionData();
-
-        const lastSequenceNumber = BigInt(sessionData.lastSequenceNumber);
-        const maxRetries = BigInt(sessionData.maxRetries);
-
-        if (lastSequenceNumber > maxRetries) {
-          this.log.warn(
-            `${fnTag} Max retries exceeded for session ${sessionId}. Initiating rollback...`,
-          );
-          await this.initiateRollback(sessionId, true);
-        } else {
+      const sessionData = sessionId.hasClientSessionData()
+        ? sessionId.getClientSessionData()
+        : sessionId.getServerSessionData();
+
+      if (!sessionData) {
+        throw new Error(`${fnTag}, session data is not correctly initialized`);
+      }
+
+      let attempts = 0;
+      let crashOccurrence: CrashOccurrence | undefined;
+
+      while (attempts < BigInt(sessionData.maxRetries)) {
+        const crashStatus = await this.checkCrash(sessionId);
+
+        if (crashStatus === CrashStatus.IN_RECOVERY) {
           this.log.info(
-            `${fnTag} Attempting recovery for session ${sessionId}`,
+            `${fnTag} Crash detected. Attempting recovery for session ${sessionId}`,
           );
+
+          if (!crashOccurrence) {
+            crashOccurrence = new CrashOccurrence(
+              CrashStatus.IN_RECOVERY,
+              new Date(),
+              new Date(),
+            );
+          } else {
+            crashOccurrence.lastUpdate = new Date();
+          }
+
           await this.handleRecovery(sessionId);
+          this.log.info(`${fnTag} Recovery successful.`);
+
+          crashOccurrence.status = CrashStatus.RECOVERED;
+
+          return true;
         }
-        crashOccurrence.status = CrashStatus.RECOVERED;
-        return true;
-      } else {
-        this.log.info(`${fnTag} No crash detected. No action required.`);
-        return false;
+        attempts++;
+        this.log.info(
+          `${fnTag} Retry attempt ${attempts} for session ${sessionId}`,
+        );
       }
+
+      this.log.warn(`${fnTag} All retries exhausted. Initiating rollback.`);
+      await this.initiateRollback(sessionId, true);
+      return false;
     } catch (error) {
       this.log.error(`${fnTag} Error during crash resolution: ${error}`);
       return false;

diff --git a/...lugin-satp-hermes/src/main/typescript/core/recovery/rollback/rollback-strategy-factory.ts b/...lugin-satp-hermes/src/main/typescript/core/recovery/rollback/rollback-strategy-factory.ts
@@ -37,25 +37,26 @@ export class RollbackStrategyFactory {
     const sessionData = session.hasClientSessionData()
       ? session.getClientSessionData()!
       : session.getServerSessionData()!;
+    const rollbackLogEntry = new RollbackLogEntry();
 
     if (!sessionData.hashes) {
       this.log.debug(`${fnTag} Creating Stage0RollbackStrategy`);
-      return new Stage0RollbackStrategy();
+      return new Stage0RollbackStrategy(rollbackLogEntry);
     } else if (
       !sessionData.hashes.stage2 ||
       Object.keys(sessionData.hashes.stage2).length === 0
     ) {
       this.log.debug(`${fnTag} Creating Stage1RollbackStrategy`);
-      return new Stage1RollbackStrategy(this.bridgeManager);
+      return new Stage1RollbackStrategy(this.bridgeManager, rollbackLogEntry);
     } else if (
       !sessionData.hashes.stage3 ||
       Object.keys(sessionData.hashes.stage3).length === 0
     ) {
       this.log.debug(`${fnTag} Creating Stage2RollbackStrategy`);
-      return new Stage2RollbackStrategy();
+      return new Stage2RollbackStrategy(this.bridgeManager, rollbackLogEntry);
     } else {
       this.log.debug(`${fnTag} Creating Stage3RollbackStrategy`);
-      return new Stage3RollbackStrategy();
+      return new Stage3RollbackStrategy(this.bridgeManager, rollbackLogEntry);
     }
   }
 }
diff --git a/...plugin-satp-hermes/src/main/typescript/core/recovery/rollback/stage0-rollback-strategy.ts b/...plugin-satp-hermes/src/main/typescript/core/recovery/rollback/stage0-rollback-strategy.ts
@@ -5,9 +5,11 @@ import { RollbackLogEntry } from "../../../generated/proto/cacti/satp/v02/crash_
 
 export class Stage0RollbackStrategy implements RollbackStrategy {
   private log: Logger;
+  private rollbackLogEntry: RollbackLogEntry;
 
-  constructor() {
+  constructor(logEntry: RollbackLogEntry) {
     this.log = LoggerProvider.getOrCreate({ label: "Stage0RollbackStrategy" });
+    this.rollbackLogEntry = logEntry;
   }
 
   // return a rollback state in all strategies
@@ -17,57 +19,52 @@ export class Stage0RollbackStrategy implements RollbackStrategy {
 
     // check session exists
     if (!session) {
-      this.log.error(`${fnTag} Session not found`);
-      return false;
+      throw new Error(`${fnTag}, session data is not correctly initialized`);
     }
     try {
       // TODO record the rollback on the log. Implement RollbackLogEntry
       this.log.debug("Persisting rollback log entry");
 
-      const rollbackLogEntry: RollbackLogEntry = new RollbackLogEntry();
-      rollbackLogEntry.sessionId = session.getSessionId();
-      rollbackLogEntry.stage = "Stage0";
-      rollbackLogEntry.timestamp = Date.now().toString();
-      rollbackLogEntry.action = "Rollback Initiated";
-      rollbackLogEntry.status = "SUCCESS";
-      rollbackLogEntry.details = "Stage 0 rollback executed without issues.";
-
-      await this.localLogs.saveRollbackLog(rollbackLogEntry); // log for the rollbackentry
+      this.rollbackLogEntry.sessionId = session.getSessionId();
+      this.rollbackLogEntry.stage = "Stage0";
+      this.rollbackLogEntry.timestamp = Date.now().toString();
+      this.rollbackLogEntry.action = "";
+      this.rollbackLogEntry.status = "SUCCESS";
+      this.rollbackLogEntry.details = "";
 
       this.log.info(`Successfully rolled back Stage 0`);
 
       const state: RollbackState = {
         currentStage: "Stage0",
-        rollbackLogEntry: rollbackLogEntry,
+        rollbackLogEntry: this.rollbackLogEntry,
       };
+      await this.rollbackLogs.create(state); // todo: log for the rollbackentry
 
       return state;
     } catch (error) {
       this.log.error(`Failed to rollback Stage 0: ${error}`);
-      const rollbackLogEntry: RollbackLogEntry = new RollbackLogEntry();
-      rollbackLogEntry.sessionId = session.getSessionId(); // session Id from satp session data
-      rollbackLogEntry.stage = "Stage0";
-      rollbackLogEntry.timestamp = Date.now().toString();
-      rollbackLogEntry.action = "Rollback Failed";
-      rollbackLogEntry.status = "FAILURE";
-      rollbackLogEntry.details = "Stage 0 rollback executed without issues.";
 
-      await this.localLogs.saveRollbackLog(rollbackLogEntry); // todo: implement the correct log support
+      this.rollbackLogEntry.sessionId = session.getSessionId();
+      this.rollbackLogEntry.stage = "Stage0";
+      this.rollbackLogEntry.timestamp = Date.now().toString();
+      this.rollbackLogEntry.action = "";
+      this.rollbackLogEntry.status = "FAILURE";
+      this.rollbackLogEntry.details = "";
+
       const state: RollbackState = {
         currentStage: "Stage0",
-        rollbackLogEntry: rollbackLogEntry,
+        rollbackLogEntry: this.rollbackLogEntry,
       };
+      await this.rollbackLogs.create(state); // todo: implement the correct log support
       return state;
     }
   }
 
   async cleanup(session: SATPSession): Promise<RollbackState> {
     const fnTag = "Stage0RollbackStrategy#cleanup";
     // for stage 0, do nothing
-    const rollbackLogEntry: RollbackLogEntry = new RollbackLogEntry();
     const state: RollbackState = {
       currentStage: "Stage0",
-      rollbackLogEntry: rollbackLogEntry,
     };
     if (!session) {
       this.log.error(`${fnTag} Session not found`);

diff --git a/...plugin-satp-hermes/src/main/typescript/core/recovery/rollback/stage1-rollback-strategy.ts b/...plugin-satp-hermes/src/main/typescript/core/recovery/rollback/stage1-rollback-strategy.ts
@@ -7,48 +7,48 @@ import { SATPBridgeManager } from "../../stage-services/satp-bridge/satp-bridge-
 export class Stage1RollbackStrategy implements RollbackStrategy {
   private log: Logger;
   private bridgeManager: SATPBridgeManager;
+  private rollbackLogEntry: RollbackLogEntry;
 
-  constructor(bridgeManager: SATPBridgeManager) {
+  constructor(bridgeManager: SATPBridgeManager, logEntry: RollbackLogEntry) {
     this.log = LoggerProvider.getOrCreate({ label: "Stage1RollbackStrategy" });
     this.bridgeManager = bridgeManager;
+    this.rollbackLogEntry = logEntry;
   }
 
   async execute(session: SATPSession): Promise<RollbackState> {
     const fnTag = "Stage1RollbackStrategy#execute";
     this.log.info(`${fnTag} Executing rollback for Stage 1`);
 
     if (!session) {
-      this.log.error(`${fnTag} Session not found`);
-      return false;
+      throw new Error(`${fnTag}, session data is not correctly initialized`);
     }
 
     try {
       // TODO: Implement Stage 1 specific rollback logic
 
       // TODO: Record the rollback on the log. Implement RollbackLogEntry
 
-      const receipt = await this.bridgeManager.unwrapAsset("assetId"); // unwrap
+      const receipt = await this.bridgeManager.unwrapAsset("assetId");
 
       this.log.info(`${fnTag}, Asset unlocked: ${receipt}`);
 
-      const rollbackLogEntry: RollbackLogEntry = {
-        sessionId: session.getSessionId(),
-        stage: "Stage1",
-        timestamp: new Date().toString(),
-        action: "Unwrap Asset",
-        status: "SUCCESS",
-        details: `Asset unwrap receipt: ${receipt}`,
-      };
+      this.rollbackLogEntry.sessionId = session.getSessionId();
+      this.rollbackLogEntry.stage = "Stage1";
+      this.rollbackLogEntry.timestamp = Date.now().toString();
+      this.rollbackLogEntry.action = "UNWRAP";
+      this.rollbackLogEntry.status = "SUCCESS";
+      this.rollbackLogEntry.details = "";
 
       this.log.debug("Persisting rollback log entry");
 
       this.log.info(`Successfully rolled back Stage 1`);
 
       const state: RollbackState = {
         currentStage: "Stage1",
-        rollbackLogEntry: rollbackLogEntry,
+        rollbackLogEntry: this.rollbackLogEntry,
       };
 
+      await this.rollbackLogs.create(state); // todo: log support
       return state;
     } catch (error) {
       this.log.error(`Failed to rollback Stage 1: ${error}`);

diff --git a/...plugin-satp-hermes/src/main/typescript/core/recovery/rollback/stage2-rollback-strategy.ts b/...plugin-satp-hermes/src/main/typescript/core/recovery/rollback/stage2-rollback-strategy.ts
@@ -1,21 +1,26 @@
 import { Logger, LoggerProvider } from "@hyperledger/cactus-common";
-import { SATPSession } from "./satp-session";
+import { SATPSession } from "../../satp-session";
 import { RollbackState, RollbackStrategy } from "./rollback-strategy-factory";
+import { RollbackLogEntry } from "../../../generated/proto/cacti/satp/v02/crash_recovery_pb";
+import { SATPBridgeManager } from "../../stage-services/satp-bridge/satp-bridge-manager";
 
 export class Stage2RollbackStrategy implements RollbackStrategy {
   private log: Logger;
+  private bridgeManager: SATPBridgeManager;
+  private rollbackLogEntry: RollbackLogEntry;
 
-  constructor() {
+  constructor(bridgeManager: SATPBridgeManager, logEntry: RollbackLogEntry) {
     this.log = LoggerProvider.getOrCreate({ label: "Stage2RollbackStrategy" });
+    this.bridgeManager = bridgeManager;
+    this.rollbackLogEntry = logEntry;
   }
 
   async execute(session: SATPSession): Promise<RollbackState> {
     const fnTag = "Stage2RollbackStrategy#execute";
     this.log.info(`${fnTag} Executing rollback for Stage 2`);
 
     if (!session) {
-      this.log.error(`${fnTag} Session not found`);
-      return false;
+      throw new Error(`${fnTag}, session data is not correctly initialized`);
     }
 
     try {
@@ -24,8 +29,25 @@ export class Stage2RollbackStrategy implements RollbackStrategy {
       // TODO: Record the rollback on the log. Implement RollbackLogEntry
       this.log.debug("Persisting rollback log entry");
 
+      const receipt = await this.bridgeManager.unlockAsset("assetId", Number());
+
+      this.log.info(`${fnTag}, Asset unlocked: ${receipt}`);
+      this.rollbackLogEntry.sessionId = session.getSessionId();
+      this.rollbackLogEntry.stage = "Stage2";
+      this.rollbackLogEntry.timestamp = Date.now().toString();
+      this.rollbackLogEntry.action = "UNLOCK";
+      this.rollbackLogEntry.status = "SUCCESS";
+      this.rollbackLogEntry.details = "";
+
       this.log.info(`Successfully rolled back Stage 2`);
-      return true;
+
+      const state: RollbackState = {
+        currentStage: "Stage2",
+        rollbackLogEntry: this.rollbackLogEntry,
+      };
+
+      await this.rollbackLogs.create(state); // todo: log support
+      return state;
     } catch (error) {
       this.log.error(`Failed to rollback Stage 2: ${error}`);
       return false;

diff --git a/...plugin-satp-hermes/src/main/typescript/core/recovery/rollback/stage3-rollback-strategy.ts b/...plugin-satp-hermes/src/main/typescript/core/recovery/rollback/stage3-rollback-strategy.ts
@@ -1,31 +1,54 @@
 import { Logger, LoggerProvider } from "@hyperledger/cactus-common";
-import { SATPSession } from "./satp-session";
+import { SATPSession } from "../../satp-session";
 import { RollbackState, RollbackStrategy } from "./rollback-strategy-factory";
+import { RollbackLogEntry } from "../../../generated/proto/cacti/satp/v02/crash_recovery_pb";
+import { SATPBridgeManager } from "../../stage-services/satp-bridge/satp-bridge-manager";
 
 export class Stage3RollbackStrategy implements RollbackStrategy {
   private log: Logger;
+  private bridgeManager: SATPBridgeManager;
+  private rollbackLogEntry: RollbackLogEntry;
 
-  constructor() {
+  constructor(bridgeManager: SATPBridgeManager, logEntry: RollbackLogEntry) {
     this.log = LoggerProvider.getOrCreate({ label: "Stage3RollbackStrategy" });
+    this.bridgeManager = bridgeManager;
+    this.rollbackLogEntry = logEntry;
   }
 
   async execute(session: SATPSession): Promise<RollbackState> {
     const fnTag = "Stage3RollbackStrategy#execute";
     this.log.info(`${fnTag} Executing rollback for Stage 3`);
 
     if (!session) {
-      this.log.error(`${fnTag} Session not found`);
-      return false;
+      throw new Error(`${fnTag}, session data is not correctly initialized`);
     }
 
     try {
       // TODO: Implement Stage 3 specific rollback logic
 
       // TODO: Record the rollback on the log. Implement RollbackLogEntry
+
+      const receipt = await this.bridgeManager.burnAsset("assetId", Number());
+
+      this.log.info(`${fnTag}, Asset unlocked: ${receipt}`);
+
+      this.rollbackLogEntry.sessionId = session.getSessionId();
+      this.rollbackLogEntry.stage = "Stage3";
+      this.rollbackLogEntry.timestamp = Date.now().toString();
+      this.rollbackLogEntry.action = "BURN";
+      this.rollbackLogEntry.status = "SUCCESS";
+      this.rollbackLogEntry.details = "";
+
       this.log.debug("Persisting rollback log entry");
 
       this.log.info(`Successfully rolled back Stage 3`);
-      return true;
+      const state: RollbackState = {
+        currentStage: "Stage3",
+        rollbackLogEntry: this.rollbackLogEntry,
+      };
+
+      await this.rollbackLogs.create(state); // todo: log support
+      return state;
     } catch (error) {
       this.log.error(`Failed to rollback Stage 3: ${error}`);
       return false;