Notifications Workflow

.env

@@ -92,6 +92,8 @@ MAX_SYNC_WORKERS=5
 MAX_SPEC_WORKERS=5
 MAX_CHECK_WORKERS=5
 MAX_DISCOVER_WORKERS=5
+MAX_NOTIFY_WORKERS=5
+SHOULD_RUN_NOTIFY_WORKFLOWS=false
 # Temporal Activity configuration
 ACTIVITY_MAX_ATTEMPT=
 ACTIVITY_INITIAL_DELAY_BETWEEN_ATTEMPTS_SECONDS=

airbyte-commons-temporal/build.gradle

@@ -19,6 +19,8 @@ dependencies {
     implementation project(':airbyte-persistence:job-persistence')
     implementation project(':airbyte-protocol:protocol-models')
     implementation project(':airbyte-worker-models')
+    implementation project(':airbyte-api')
+    implementation project(':airbyte-json-validation')
 
     testImplementation libs.temporal.testing
     // Needed to be able to mock final class

airbyte-commons-temporal/src/main/java/io/airbyte/commons/temporal/TemporalJobType.java

@@ -11,5 +11,6 @@ public enum TemporalJobType {
   SYNC,
   RESET_CONNECTION,
   CONNECTION_UPDATER,
-  REPLICATE
+  REPLICATE,
+  NOTIFY
 }

airbyte-commons-temporal/src/main/java/io/airbyte/commons/temporal/scheduling/ConnectionNotificationWorkflow.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
+ */
+
+package io.airbyte.commons.temporal.scheduling;
+
+import io.airbyte.api.client.invoker.generated.ApiException;
+import io.airbyte.config.persistence.ConfigNotFoundException;
+import io.airbyte.validation.json.JsonValidationException;
+import io.temporal.workflow.WorkflowInterface;
+import io.temporal.workflow.WorkflowMethod;
+import java.io.IOException;
+import java.util.UUID;
+
+@WorkflowInterface
+public interface ConnectionNotificationWorkflow {
+
+  @WorkflowMethod
+  boolean sendSchemaChangeNotification(UUID connectionId)
+      throws IOException, InterruptedException, ApiException, ConfigNotFoundException, JsonValidationException;
+
+}

airbyte-config/config-models/src/main/java/io/airbyte/config/Configs.java

@@ -579,6 +579,11 @@ public interface Configs {
    */
   boolean shouldRunConnectionManagerWorkflows();
 
+  /**
+   * Define if the worker should run notification workflows. Defaults to true. Internal-use only.
+   */
+  public boolean shouldRunNotifyWorkflows();
+
   // Worker - Data Plane configs
 
   /**

airbyte-config/config-models/src/main/java/io/airbyte/config/EnvConfigs.java

@@ -83,6 +83,7 @@ public class EnvConfigs implements Configs {
   public static final String MAX_CHECK_WORKERS = "MAX_CHECK_WORKERS";
   public static final String MAX_DISCOVER_WORKERS = "MAX_DISCOVER_WORKERS";
   public static final String MAX_SYNC_WORKERS = "MAX_SYNC_WORKERS";
+  public static final String MAX_NOTIFY_WORKERS = "MAX_NOTIFY_WORKERS";
   private static final String TEMPORAL_HOST = "TEMPORAL_HOST";
   private static final String TEMPORAL_WORKER_PORTS = "TEMPORAL_WORKER_PORTS";
   private static final String TEMPORAL_HISTORY_RETENTION_IN_DAYS = "TEMPORAL_HISTORY_RETENTION_IN_DAYS";
@@ -135,6 +136,7 @@ public class EnvConfigs implements Configs {
   private static final String SHOULD_RUN_DISCOVER_WORKFLOWS = "SHOULD_RUN_DISCOVER_WORKFLOWS";
   private static final String SHOULD_RUN_SYNC_WORKFLOWS = "SHOULD_RUN_SYNC_WORKFLOWS";
   private static final String SHOULD_RUN_CONNECTION_MANAGER_WORKFLOWS = "SHOULD_RUN_CONNECTION_MANAGER_WORKFLOWS";
+  private static final String SHOULD_RUN_NOTIFY_WORKFLOWS = "SHOULD_RUN_NOTIFY_WORKFLOWS";
 
   // Worker - Control plane configs
   private static final String DEFAULT_DATA_SYNC_TASK_QUEUES = "SYNC"; // should match TemporalJobType.SYNC.name()
@@ -198,6 +200,7 @@ public class EnvConfigs implements Configs {
   private static final long DEFAULT_MAX_CHECK_WORKERS = 5;
   private static final long DEFAULT_MAX_DISCOVER_WORKERS = 5;
   private static final long DEFAULT_MAX_SYNC_WORKERS = 5;
+  private static final long DEFAULT_MAX_NOTIFY_WORKERS = 5;
   private static final String DEFAULT_NETWORK = "host";
 
   public static final Map<String, Function<EnvConfigs, String>> JOB_SHARED_ENVS = Map.of(
@@ -918,7 +921,8 @@ public MaxWorkersConfig getMaxWorkers() {
         Math.toIntExact(getEnvOrDefault(MAX_SPEC_WORKERS, DEFAULT_MAX_SPEC_WORKERS)),
         Math.toIntExact(getEnvOrDefault(MAX_CHECK_WORKERS, DEFAULT_MAX_CHECK_WORKERS)),
         Math.toIntExact(getEnvOrDefault(MAX_DISCOVER_WORKERS, DEFAULT_MAX_DISCOVER_WORKERS)),
-        Math.toIntExact(getEnvOrDefault(MAX_SYNC_WORKERS, DEFAULT_MAX_SYNC_WORKERS)));
+        Math.toIntExact(getEnvOrDefault(MAX_SYNC_WORKERS, DEFAULT_MAX_SYNC_WORKERS)),
+        Math.toIntExact(getEnvOrDefault(MAX_NOTIFY_WORKERS, DEFAULT_MAX_NOTIFY_WORKERS)));
   }
 
   @Override
@@ -946,6 +950,11 @@ public boolean shouldRunConnectionManagerWorkflows() {
     return getEnvOrDefault(SHOULD_RUN_CONNECTION_MANAGER_WORKFLOWS, true);
   }
 
+  @Override
+  public boolean shouldRunNotifyWorkflows() {
+    return getEnvOrDefault(SHOULD_RUN_NOTIFY_WORKFLOWS, false);
+  }
+
   // Worker - Data plane
 
   @Override

airbyte-config/config-models/src/main/java/io/airbyte/config/MaxWorkersConfig.java

@@ -10,12 +10,18 @@ public class MaxWorkersConfig {
   private final int maxCheckWorkers;
   private final int maxDiscoverWorkers;
   private final int maxSyncWorkers;
+  private final int maxNotifyWorkers;
 
-  public MaxWorkersConfig(final int maxSpecWorkers, final int maxCheckWorkers, final int maxDiscoverWorkers, final int maxSyncWorkers) {
+  public MaxWorkersConfig(final int maxSpecWorkers,
+                          final int maxCheckWorkers,
+                          final int maxDiscoverWorkers,
+                          final int maxSyncWorkers,
+                          final int maxNotifyWorkers) {
     this.maxSpecWorkers = maxSpecWorkers;
     this.maxCheckWorkers = maxCheckWorkers;
     this.maxDiscoverWorkers = maxDiscoverWorkers;
     this.maxSyncWorkers = maxSyncWorkers;
+    this.maxNotifyWorkers = maxNotifyWorkers;
   }
 
   public int getMaxSpecWorkers() {
@@ -34,13 +40,18 @@ public int getMaxSyncWorkers() {
     return maxSyncWorkers;
   }
 
+  public int getMaxNotifyWorkers() {
+    return maxNotifyWorkers;
+  }
+
   @Override
   public String toString() {
     return "MaxWorkersConfig{" +
         "maxSpecWorkers=" + maxSpecWorkers +
         ", maxCheckWorkers=" + maxCheckWorkers +
         ", maxDiscoverWorkers=" + maxDiscoverWorkers +
         ", maxSyncWorkers=" + maxSyncWorkers +
+        ", maxNotifyWorkers=" + maxNotifyWorkers +
         '}';
   }
 

airbyte-notification/src/main/java/io/airbyte/notification/CustomerioNotificationClient.java

@@ -121,6 +121,11 @@ public boolean notifyFailure(final String message) throws IOException, Interrupt
     throw new NotImplementedException();
   }
 
+  @Override
+  public boolean notifySchemaChange(final UUID connectionId, final boolean isBreaking) {
+    throw new NotImplementedException();
+  }
+
   private boolean notifyByEmail(final String requestBody) throws IOException, InterruptedException {
     final HttpRequest request = HttpRequest.newBuilder()
         .POST(HttpRequest.BodyPublishers.ofString(requestBody))

airbyte-notification/src/main/java/io/airbyte/notification/NotificationClient.java

@@ -55,6 +55,8 @@ public abstract boolean notifyConnectionDisableWarning(String receiverEmail,
 
   public abstract boolean notifyFailure(String message) throws IOException, InterruptedException;
 
+  public abstract boolean notifySchemaChange(UUID connectionId, boolean isBreaking) throws IOException, InterruptedException;
+
   public static NotificationClient createNotificationClient(final Notification notification) {
     return switch (notification.getNotificationType()) {
       case SLACK -> new SlackNotificationClient(notification);

airbyte-notification/src/main/java/io/airbyte/notification/SlackNotificationClient.java

@@ -4,6 +4,7 @@
 
 package io.airbyte.notification;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableMap.Builder;
 import io.airbyte.commons.json.Jsons;
@@ -33,11 +34,9 @@ public class SlackNotificationClient extends NotificationClient {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(SlackNotificationClient.class);
 
-  private final HttpClient httpClient = HttpClient.newBuilder()
-      .version(HttpClient.Version.HTTP_2)
-      .build();
   private final SlackNotificationConfiguration config;
 
+  @JsonCreator
   public SlackNotificationClient(final Notification notification) {
     super(notification);
     this.config = notification.getSlackConfiguration();
@@ -121,7 +120,22 @@ public boolean notifyConnectionDisableWarning(final String receiverEmail,
     return false;
   }
 
+  @Override
+  public boolean notifySchemaChange(UUID connectionId, boolean isBreaking) throws IOException, InterruptedException {
+    final String message = renderTemplate(
+        isBreaking ? "slack/breaking_schema_change_notification_template.txt" : "slack/non_breaking_schema_change_notification_template.txt",
+        connectionId.toString());
+    final String webhookUrl = config.getWebhook();
+    if (!Strings.isEmpty(webhookUrl)) {
+      return notify(message);
+    }
+    return false;
+  }
+
   private boolean notify(final String message) throws IOException, InterruptedException {
+    final HttpClient httpClient = HttpClient.newBuilder()
+        .version(HttpClient.Version.HTTP_2)
+        .build();
     final ImmutableMap<String, String> body = new Builder<String, String>()
         .put("text", message)
         .build();

airbyte-notification/src/main/resources/slack/breaking_schema_change_notification_template.txt

@@ -0,0 +1,3 @@
+Your source schema has changed for connection ID: %s
+
+Airbyte has disabled this connection because this source schema change will cause broken syncs. Visit your connection page, refresh your source schema, and reset your data in order to fix this connection.

airbyte-notification/src/main/resources/slack/non_breaking_schema_change_notification_template.txt

@@ -0,0 +1,3 @@
+Your source schema has changed for connection ID: %s
+
+Visit your connection page, refresh your source schema, and reset your data in order to update this connection.

airbyte-workers/build.gradle

@@ -54,6 +54,7 @@ dependencies {
     implementation project(':airbyte-metrics:metrics-lib')
     implementation project(':airbyte-json-validation')
     implementation project(':airbyte-protocol:protocol-models')
+    implementation project(':airbyte-notification')
     implementation (project(':airbyte-persistence:job-persistence')) {
         // Temporary hack to avoid dependency conflicts
         exclude group: 'io.micronaut'

airbyte-workers/src/main/java/io/airbyte/workers/ApplicationInitializer.java

@@ -23,6 +23,7 @@
 import io.airbyte.workers.temporal.check.connection.CheckConnectionWorkflowImpl;
 import io.airbyte.workers.temporal.discover.catalog.DiscoverCatalogWorkflowImpl;
 import io.airbyte.workers.temporal.scheduling.ConnectionManagerWorkflowImpl;
+import io.airbyte.workers.temporal.scheduling.ConnectionNotificationWorkflowImpl;
 import io.airbyte.workers.temporal.spec.SpecWorkflowImpl;
 import io.airbyte.workers.temporal.support.TemporalProxyHelper;
 import io.airbyte.workers.temporal.sync.SyncWorkflowImpl;
@@ -77,6 +78,11 @@ public class ApplicationInitializer implements ApplicationEventListener<ServiceR
   @Inject
   @Named("discoverActivities")
   private Optional<List<Object>> discoverActivities;
+
+  @Inject
+  @Named("notifyActivities")
+  private Optional<List<Object>> notifyActivities;
+
   @Inject
   @Named(TaskExecutors.IO)
   private ExecutorService executorService;
@@ -91,6 +97,8 @@ public class ApplicationInitializer implements ApplicationEventListener<ServiceR
   private Optional<LogConfigs> logConfigs;
   @Value("${airbyte.worker.check.max-workers}")
   private Integer maxCheckWorkers;
+  @Value("${airbyte.worker.notify.max-workers}")
+  private Integer maxNotifyWorkers;
   @Value("${airbyte.worker.discover.max-workers}")
   private Integer maxDiscoverWorkers;
   @Value("${airbyte.worker.spec.max-workers}")
@@ -107,6 +115,9 @@ public class ApplicationInitializer implements ApplicationEventListener<ServiceR
   private boolean shouldRunGetSpecWorkflows;
   @Value("${airbyte.worker.sync.enabled}")
   private boolean shouldRunSyncWorkflows;
+  @Value("${airbyte.worker.sync.enabled}")
+  private boolean shouldRunNotifyWorkflows;
+
   @Inject
   @Named("specActivities")
   private Optional<List<Object>> specActivities;
@@ -148,7 +159,7 @@ public void onApplicationEvent(final ServiceReadyEvent event) {
 
       registerWorkerFactory(workerFactory,
           new MaxWorkersConfig(maxCheckWorkers, maxDiscoverWorkers, maxSpecWorkers,
-              maxSyncWorkers));
+              maxSyncWorkers, maxNotifyWorkers));
 
       log.info("Starting worker factory...");
       workerFactory.start();
@@ -220,6 +231,18 @@ private void registerWorkerFactory(final WorkerFactory workerFactory,
     if (shouldRunConnectionManagerWorkflows) {
       registerConnectionManager(workerFactory, maxWorkersConfiguration);
     }
+
+    if (shouldRunNotifyWorkflows) {
+      registerConnectionNotification(workerFactory, maxWorkersConfiguration);
+    }
+  }
+
+  private void registerConnectionNotification(final WorkerFactory factory, final MaxWorkersConfig maxWorkersConfig) {
+    final Worker notifyWorker = factory.newWorker(TemporalJobType.NOTIFY.name(), getWorkerOptions(maxWorkersConfig.getMaxNotifyWorkers()));
+    final WorkflowImplementationOptions options =
+        WorkflowImplementationOptions.newBuilder().setFailWorkflowExceptionTypes(NonDeterministicException.class).build();
+    notifyWorker.registerWorkflowImplementationTypes(options, temporalProxyHelper.proxyWorkflowClass(ConnectionNotificationWorkflowImpl.class));
+    notifyWorker.registerActivitiesImplementations(notifyActivities.orElseThrow().toArray(new Object[] {}));
   }
 
   private void registerCheckConnection(final WorkerFactory factory,

airbyte-workers/src/main/java/io/airbyte/workers/config/ActivityBeanFactory.java

@@ -14,8 +14,10 @@
 import io.airbyte.workers.temporal.scheduling.activities.ConnectionDeletionActivity;
 import io.airbyte.workers.temporal.scheduling.activities.GenerateInputActivity;
 import io.airbyte.workers.temporal.scheduling.activities.JobCreationAndStatusUpdateActivity;
+import io.airbyte.workers.temporal.scheduling.activities.NotifySchemaChangeActivity;
 import io.airbyte.workers.temporal.scheduling.activities.RecordMetricActivity;
 import io.airbyte.workers.temporal.scheduling.activities.RouteToSyncTaskQueueActivity;
+import io.airbyte.workers.temporal.scheduling.activities.SlackConfigActivity;
 import io.airbyte.workers.temporal.scheduling.activities.StreamResetActivity;
 import io.airbyte.workers.temporal.scheduling.activities.WorkflowConfigActivity;
 import io.airbyte.workers.temporal.spec.SpecActivity;
@@ -52,6 +54,15 @@ public List<Object> checkConnectionActivities(
     return List.of(checkConnectionActivity);
   }
 
+  @Singleton
+  @Requires(env = WorkerMode.CONTROL_PLANE)
+  @Named("notifyActivities")
+  public List<Object> notifyActivities(final NotifySchemaChangeActivity notifySchemaChangeActivity,
+                                       SlackConfigActivity slackConfigActivity,
+                                       ConfigFetchActivity configFetchActivity) {
+    return List.of(notifySchemaChangeActivity, slackConfigActivity, configFetchActivity);
+  }
+
   @Singleton
   @Requires(env = WorkerMode.CONTROL_PLANE)
   @Named("connectionManagerActivities")

airbyte-workers/src/main/java/io/airbyte/workers/temporal/scheduling/ConnectionNotificationWorkflowImpl.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
+ */
+
+package io.airbyte.workers.temporal.scheduling;
+
+import io.airbyte.api.client.invoker.generated.ApiException;
+import io.airbyte.commons.temporal.scheduling.ConnectionNotificationWorkflow;
+import io.airbyte.config.Notification;
+import io.airbyte.config.Notification.NotificationType;
+import io.airbyte.config.SlackNotificationConfiguration;
+import io.airbyte.config.StandardSync;
+import io.airbyte.config.persistence.ConfigNotFoundException;
+import io.airbyte.notification.SlackNotificationClient;
+import io.airbyte.validation.json.JsonValidationException;
+import io.airbyte.workers.temporal.annotations.TemporalActivityStub;
+import io.airbyte.workers.temporal.scheduling.activities.ConfigFetchActivity;
+import io.airbyte.workers.temporal.scheduling.activities.NotifySchemaChangeActivity;
+import io.airbyte.workers.temporal.scheduling.activities.SlackConfigActivity;
+import java.io.IOException;
+import java.util.Optional;
+import java.util.UUID;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+public class ConnectionNotificationWorkflowImpl implements ConnectionNotificationWorkflow {
+
+  @TemporalActivityStub(activityOptionsBeanName = "shortActivityOptions")
+  private NotifySchemaChangeActivity notifySchemaChangeActivity;
+  @TemporalActivityStub(activityOptionsBeanName = "shortActivityOptions")
+  private SlackConfigActivity slackConfigActivity;
+  @TemporalActivityStub(activityOptionsBeanName = "shortActivityOptions")
+  private ConfigFetchActivity configFetchActivity;
+
+  @Override
+  public boolean sendSchemaChangeNotification(final UUID connectionId)
+      throws IOException, InterruptedException, ApiException, ConfigNotFoundException, JsonValidationException {
+    final StandardSync standardSync = configFetchActivity.getStandardSync(connectionId);
+    final Optional<SlackNotificationConfiguration> slackConfig = slackConfigActivity.fetchSlackConfiguration(connectionId);
+    if (slackConfig.isPresent()) {
+      final Notification notification =
+          new Notification().withNotificationType(NotificationType.SLACK).withSendOnFailure(false).withSendOnSuccess(false)
+              .withSlackConfiguration(slackConfig.get());
+      final SlackNotificationClient notificationClient = new SlackNotificationClient(notification);
+      return notifySchemaChangeActivity.notifySchemaChange(notificationClient, connectionId, standardSync.getBreakingChange());
+    } else {
+      return false;
+    }
+  }
+
+}

airbyte-workers/src/main/java/io/airbyte/workers/temporal/scheduling/activities/ConfigFetchActivity.java

@@ -4,8 +4,12 @@
 
 package io.airbyte.workers.temporal.scheduling.activities;
 
+import io.airbyte.config.StandardSync;
+import io.airbyte.config.persistence.ConfigNotFoundException;
+import io.airbyte.validation.json.JsonValidationException;
 import io.temporal.activity.ActivityInterface;
 import io.temporal.activity.ActivityMethod;
+import java.io.IOException;
 import java.time.Duration;
 import java.util.UUID;
 import lombok.AllArgsConstructor;
@@ -33,6 +37,8 @@ class ScheduleRetrieverOutput {
 
   }
 
+  StandardSync getStandardSync(final UUID connectionId) throws JsonValidationException, ConfigNotFoundException, IOException;
+
   /**
    * Return how much time to wait before running the next sync. It will query the DB to get the last
    * starting time of the latest terminal job (Failed, canceled or successful) and return the amount