[GitHub] [ozone] prashantpogde commented on a change in pull request #1998: HDDS-4914. Failure injection and validating HDDS upgrade.

[GitBox <gi...@apache.org>]

prashantpogde commented on a change in pull request #1998:
URL: https://github.com/apache/ozone/pull/1998#discussion_r604579459



##########
File path: hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/upgrade/BasicUpgradeFinalizer.java
##########
@@ -303,4 +306,26 @@ private void logAndThrow(Exception e, String msg, ResultCodes resultCode)
     LOG.error(msg, e);
     throw new UpgradeException(msg, e, resultCode);
   }
+
+  @Override
+  public void configureTestInjectionFunction(
+      UpgradeTestInjectionPoints pointIndex,
+      Callable<Boolean> injectedTestFunction) {
+    injectTestFunction = injectedTestFunction;
+    testInjectionPoint = pointIndex;
+  }
+
+  @Override
+  public Boolean injectTestFunctionAtThisPoint(
+      UpgradeTestInjectionPoints pointIndex) throws Exception {
+    if ((testInjectionPoint != null) &&
+        (pointIndex.getValue() == testInjectionPoint.getValue())) {
+      if (injectTestFunction != null) {

Review comment:
       done




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