Remove old json logging from flows

This was meant for log replay and has long been ignored/useless.
As part of this, remove execution time from EppResponse since this
was the only thing consuming it.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=137293734

java/google/registry/flows/EppController.java

@@ -28,7 +28,6 @@ import google.registry.model.eppoutput.Result;
 import google.registry.model.eppoutput.Result.Code;
 import google.registry.monitoring.whitebox.BigQueryMetricsEnqueuer;
 import google.registry.monitoring.whitebox.EppMetric;
-import google.registry.util.Clock;
 import google.registry.util.FormattingLogger;
 import javax.inject.Inject;
 
@@ -41,7 +40,6 @@ public final class EppController {
 
   private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
 
-  @Inject Clock clock;
   @Inject FlowComponent.Builder flowComponentBuilder;
   @Inject EppMetric.Builder metricBuilder;
   @Inject EppMetrics eppMetrics;
@@ -65,7 +63,7 @@ public final class EppController {
       } catch (EppException e) {
         // Send the client an error message, with no clTRID since we couldn't unmarshal it.
         metricBuilder.setStatus(e.getResult().getCode());
-        return getErrorResponse(clock, e.getResult(), Trid.create(null));
+        return getErrorResponse(e.getResult(), Trid.create(null));
       }
       metricBuilder.setCommandName(eppInput.getCommandName());
       if (!eppInput.getTargetIds().isEmpty()) {
@@ -101,21 +99,20 @@ public final class EppController {
     } catch (EppException | EppExceptionInProviderException e) {
       // The command failed. Send the client an error message.
       EppException eppEx = (EppException) (e instanceof EppException ? e : e.getCause());
-      return getErrorResponse(clock, eppEx.getResult(), flowComponent.trid());
+      return getErrorResponse(eppEx.getResult(), flowComponent.trid());
     } catch (Throwable e) {
       // Something bad and unexpected happened. Send the client a generic error, and log it.
       logger.severe(e, "Unexpected failure");
-      return getErrorResponse(clock, Result.create(Code.COMMAND_FAILED), flowComponent.trid());
+      return getErrorResponse(Result.create(Code.COMMAND_FAILED), flowComponent.trid());
     }
   }
 
   /** Create a response indicating an EPP failure. */
   @VisibleForTesting
-  static EppOutput getErrorResponse(Clock clock, Result result, Trid trid) {
+  static EppOutput getErrorResponse(Result result, Trid trid) {
     return EppOutput.create(new EppResponse.Builder()
         .setResult(result)
         .setTrid(trid)
-        .setExecutionTime(clock.nowUtc())
         .build());
   }
 }

java/google/registry/flows/Flow.java

@@ -86,7 +86,6 @@ public abstract class Flow {
         .setMessageQueueInfo(messageQueueInfo)
         .setResData(responseData)
         .setExtensions(responseExtensions)
-        .setExecutionTime(now)
         .build());
   }
 

java/google/registry/flows/FlowRunner.java

@@ -101,18 +101,8 @@ public class FlowRunner {
       metric.incrementAttempts();
       return createAndInitFlow(clock.nowUtc()).run();
     }
-    // We log the command in a structured format. Note that we do this before the transaction;
-    // if we did it after, we might miss a transaction that committed successfully but then crashed
-    // before it could log.
-    logger.info("EPP_Mutation " + new JsonLogStatement(trid)
-        .add("client", clientId)
-        .add("privileges", isSuperuser ? "SUPERUSER" : "NORMAL")
-        .add("xmlBytes", xmlBase64));
     try {
-      EppOutput flowResult =
-          ofy()
-              .transact(
-                  new Work<EppOutput>() {
+      return ofy().transact(new Work<EppOutput>() {
         @Override
         public EppOutput run() {
           metric.incrementAttempts();
@@ -125,15 +115,10 @@ public class FlowRunner {
           } catch (EppException e) {
             throw new RuntimeException(e);
           }
-                    }
-                  });
-      logger.info("EPP_Mutation_Committed " + new JsonLogStatement(trid)
-          .add("executionTime", flowResult.getResponse().getExecutionTime().getMillis()));
-      return flowResult;
+        }});
     } catch (DryRunException e) {
       return e.output;
     } catch (RuntimeException e) {
-      logger.warning("EPP_Mutation_Failed " + new JsonLogStatement(trid));
       logger.warning(getStackTraceAsString(e));
       if (e.getCause() instanceof EppException) {
         throw (EppException) e.getCause();
@@ -151,43 +136,6 @@ public class FlowRunner {
           isSuperuser,
           now);
   }
-
-  /**
-   * Helper for logging in json format.
-   *
-   * <p>This is needed because the usual json outputters perform normalizations that we don't want
-   * or need, since we know that our values never need to be escaped - there are only strings and
-   * numbers, and the strings are not allowed to contain quote characters.
-   *
-   * <p>An example output for an EPP_Mutation: {"trid":"abc-123", "client":"some_registrar",
-   * "tld":"com", "xmlBytes":"abc123DEF"}
-   *
-   * <p>An example output for an EPP_Mutation_Committed that doesn't create a new resource:
-   * {"trid":"abc-123", "executionTime":123456789}
-   */
-  private static class JsonLogStatement {
-
-    StringBuilder message;
-
-    JsonLogStatement(Trid trid) {
-      message =
-          new StringBuilder("{\"trid\":\"").append(trid.getServerTransactionId()).append('\"');
-    }
-
-    JsonLogStatement add(String key, Object value) {
-      if (value != null) {
-        String quote = value instanceof String ? "\"" : "";
-        message.append(String.format(", \"%s\":%s%s%s", key, quote, value, quote));
-      }
-      return this;
-    }
-
-    @Override
-    public String toString() {
-      return message + "}";
-    }
-  }
-
   /** Exception for canceling a transaction while capturing what the output would have been. */
   private static class DryRunException extends RuntimeException {
     final EppOutput output;

java/google/registry/model/eppoutput/EppResponse.java

@@ -68,9 +68,7 @@ import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlElementRef;
 import javax.xml.bind.annotation.XmlElementRefs;
 import javax.xml.bind.annotation.XmlElementWrapper;
-import javax.xml.bind.annotation.XmlTransient;
 import javax.xml.bind.annotation.XmlType;
-import org.joda.time.DateTime;
 
 /**
  * The EppResponse class represents an EPP response message.
@@ -91,14 +89,6 @@ public class EppResponse extends ImmutableObject implements ResponseOrGreeting {
   /** The command result. The RFC allows multiple failure results, but we always return one. */
   Result result;
 
-  /**
-   * The time the command that created this response was executed.
-   *
-   * <p>This is for logging purposes only and is not returned to the user.
-   */
-  @XmlTransient
-  DateTime executionTime;
-
   /**
    * Information about messages queued for retrieval. This may appear in response to any EPP message
    * (if messages are queued), but in practice this will only be set in response to a poll request.
@@ -158,10 +148,6 @@ public class EppResponse extends ImmutableObject implements ResponseOrGreeting {
   @XmlElementWrapper(name = "extension")
   ImmutableList<? extends ResponseExtension> extensions;
 
-  public DateTime getExecutionTime() {
-    return executionTime;
-  }
-
   public ImmutableList<? extends ResponseData> getResponseData() {
     return resData;
   }
@@ -221,11 +207,6 @@ public class EppResponse extends ImmutableObject implements ResponseOrGreeting {
       return this;
     }
 
-    public Builder setExecutionTime(DateTime executionTime) {
-      getInstance().executionTime = executionTime;
-      return this;
-    }
-
     public Builder setResData(@Nullable ImmutableList<? extends ResponseData> resData) {
       getInstance().resData = resData;
       return this;

javatests/google/registry/flows/EppControllerTest.java

@@ -33,7 +33,6 @@ import google.registry.testing.AppEngineRule;
 import google.registry.testing.FakeClock;
 import google.registry.testing.ShardableTestCase;
 import google.registry.util.Clock;
-import google.registry.util.SystemClock;
 import google.registry.xml.ValidationMode;
 import org.joda.time.DateTime;
 import org.junit.Before;
@@ -85,7 +84,6 @@ public class EppControllerTest extends ShardableTestCase {
     eppController = new EppController();
     eppController.metricBuilder = EppMetric.builderForRequest("request-id-1", clock);
     eppController.bigQueryMetricsEnqueuer = metricsEnqueuer;
-    eppController.clock = clock;
     eppController.flowComponentBuilder = flowComponentBuilder;
     eppController.eppMetrics = eppMetrics;
   }
@@ -93,8 +91,7 @@ public class EppControllerTest extends ShardableTestCase {
   @Test
   public void testMarshallingUnknownError() throws Exception {
     marshal(
-        EppController.getErrorResponse(
-            new SystemClock(), Result.create(Code.COMMAND_FAILED), Trid.create(null)),
+        EppController.getErrorResponse(Result.create(Code.COMMAND_FAILED), Trid.create(null)),
         ValidationMode.STRICT);
   }
 

javatests/google/registry/flows/FlowRunnerTest.java

@@ -44,7 +44,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.logging.LogRecord;
 import java.util.logging.Logger;
-import org.joda.time.DateTime;
 import org.json.simple.JSONValue;
 import org.junit.Before;
 import org.junit.Rule;
@@ -69,7 +68,6 @@ public class FlowRunnerTest extends ShardableTestCase {
 
     final EppOutput eppOutput = mock(EppOutput.class);
     EppResponse eppResponse = mock(EppResponse.class);
-    when(eppResponse.getExecutionTime()).thenReturn(new DateTime(1337));
     when(eppOutput.getResponse()).thenReturn(eppResponse);
 
     flowRunner.clientId = "TheRegistrar";
@@ -83,8 +81,7 @@ public class FlowRunnerTest extends ShardableTestCase {
               @Override
               protected EppOutput run() {
                 return eppOutput;
-              }
-            });
+              }});
     flowRunner.inputXmlBytes = "<xml/>".getBytes(UTF_8);
     flowRunner.isDryRun = false;
     flowRunner.isSuperuser = false;

javatests/google/registry/testing/EppExceptionSubject.java

@@ -17,7 +17,6 @@ package google.registry.testing;
 import static com.google.common.truth.Truth.assertAbout;
 import static com.google.common.truth.Truth.assertThat;
 import static google.registry.flows.EppXmlTransformer.marshal;
-import static google.registry.util.DateTimeUtils.START_OF_TIME;
 
 import com.google.common.truth.AbstractVerb.DelegatedVerb;
 import com.google.common.truth.FailureStrategy;
@@ -50,7 +49,6 @@ public class EppExceptionSubject extends Subject<EppExceptionSubject, EppExcepti
           EppOutput.create(new EppResponse.Builder()
               .setTrid(Trid.create(null))
               .setResult(actual().getResult())
-              .setExecutionTime(START_OF_TIME)
               .build()),
           ValidationMode.STRICT);
     } catch (XmlException e) {