ENG-28667: Added splunk webhook support (#162)

* added splunk webhook support

* resolved comment

Author: bhubam

notification-channel-config-service-api/src/main/proto/org/hypertrace/notification/config/service/v1/notification_channel.proto

@@ -14,6 +14,7 @@ message NotificationChannelMutableData {
   repeated EmailChannelConfig email_channel_config = 2;
   repeated WebhookChannelConfig webhook_channel_config = 3;
   repeated AwsS3BucketChannelConfig s3_bucket_channel_config = 4;
+  repeated SplunkIntegrationChannelConfig splunk_integration_channel_config = 5;
 }
 
 message AwsS3BucketChannelConfig {
@@ -50,3 +51,7 @@ message WebhookHeader {
   string value = 2; // omitted on response if isSecret is true
   bool is_secret = 3;
 }
+
+message SplunkIntegrationChannelConfig {
+  string splunk_integration_id = 1;
+}

notification-channel-config-service-impl/src/main/java/org/hypertrace/notification/config/service/NotificationChannelConfigServiceRequestValidator.java

@@ -13,6 +13,7 @@
 import org.hypertrace.notification.config.service.v1.GetAllNotificationChannelsRequest;
 import org.hypertrace.notification.config.service.v1.GetNotificationChannelRequest;
 import org.hypertrace.notification.config.service.v1.NotificationChannelMutableData;
+import org.hypertrace.notification.config.service.v1.SplunkIntegrationChannelConfig;
 import org.hypertrace.notification.config.service.v1.UpdateNotificationChannelRequest;
 import org.hypertrace.notification.config.service.v1.WebhookChannelConfig;
 import org.hypertrace.notification.config.service.v1.WebhookHeader;
@@ -37,12 +38,15 @@ private void validateNotificationChannelMutableData(NotificationChannelMutableDa
         data, NotificationChannelMutableData.CHANNEL_NAME_FIELD_NUMBER);
     if (data.getEmailChannelConfigCount() == 0
         && data.getWebhookChannelConfigCount() == 0
-        && data.getS3BucketChannelConfigCount() == 0) {
+        && data.getS3BucketChannelConfigCount() == 0
+        && data.getSplunkIntegrationChannelConfigCount() == 0) {
       throw Status.INVALID_ARGUMENT.withDescription("No config present").asRuntimeException();
     }
     data.getEmailChannelConfigList().forEach(this::validateEmailChannelConfig);
     data.getWebhookChannelConfigList().forEach(this::validateWebhookChannelConfig);
     data.getS3BucketChannelConfigList().forEach(this::validateS3BucketConfig);
+    data.getSplunkIntegrationChannelConfigList()
+        .forEach(this::validateSplunkIntegrationChannelConfig);
   }
 
   public void validateGetAllNotificationChannelsRequest(
@@ -96,4 +100,11 @@ private void validateS3BucketConfig(AwsS3BucketChannelConfig awsS3BucketChannelC
   private void validateWebhookHeader(WebhookHeader webhookHeader) {
     validateNonDefaultPresenceOrThrow(webhookHeader, WebhookHeader.NAME_FIELD_NUMBER);
   }
+
+  private void validateSplunkIntegrationChannelConfig(
+      SplunkIntegrationChannelConfig splunkIntegrationChannelConfig) {
+    validateNonDefaultPresenceOrThrow(
+        splunkIntegrationChannelConfig,
+        SplunkIntegrationChannelConfig.SPLUNK_INTEGRATION_ID_FIELD_NUMBER);
+  }
 }