feat: check and log mediaconvert job status

src/models/aws-jobstatus.ts

@@ -0,0 +1,7 @@
+export enum JobStatus {
+  CANCELED = 'CANCELED',
+  COMPLETE = 'COMPLETE',
+  ERROR = 'ERROR',
+  PROGRESSING = 'PROGRESSING',
+  SUBMITTED = 'SUBMITTED'
+}

src/pipelines/aws/aws-pipeline.ts

@@ -1,6 +1,8 @@
 import { ECSClient, RunTaskCommand } from '@aws-sdk/client-ecs';
 import {
   CreateJobCommand,
+  CreateJobCommandOutput,
+  GetJobCommand,
   MediaConvertClient
 } from '@aws-sdk/client-mediaconvert';
 import {
@@ -12,6 +14,7 @@ import {
 } from '@aws-sdk/client-s3';
 import { getSignedUrl } from '@aws-sdk/s3-request-presigner';
 import { Resolution } from '../../models/resolution';
+import { JobStatus } from '../../models/aws-jobstatus';
 import { Pipeline } from '../pipeline';
 import { AWSPipelineConfiguration } from './aws-pipeline-configuration';
 import fs from 'fs';
@@ -39,7 +42,8 @@ export default class AWSPipeline implements Pipeline {
   private s3: S3Client;
   private mediaConvert: MediaConvertClient;
   private ecs: ECSClient;
-  private static readonly MAX_WAIT_TIME = 28800; //Max wait time for AWS resources is 28800 seconds (8 hours).
+  private static readonly MAX_WAIT_TIME_S = 28800; //Max wait time for AWS resources is 28800 seconds (8 hours).
+  private static readonly MEDIACONVERT_CHECK_JOB_INTERVAL_MS = 10000; //Check status of mediaconvert job interval in seconds.
 
   constructor(configuration: AWSPipelineConfiguration) {
     this.configuration = configuration;
@@ -84,10 +88,47 @@ export default class AWSPipeline implements Pipeline {
     }
   }
 
+  async getMediaConvertJobStatus(jobId: string): Promise<string | undefined> {
+    try {
+      const command = new GetJobCommand({ Id: jobId });
+      const response = await this.mediaConvert.send(command);
+      if (response.Job?.Status === JobStatus.ERROR) {
+        logger.error(`Job ${jobId} error ${response.Job?.ErrorMessage}`);
+      } else if (response.Job?.Status === JobStatus.CANCELED) {
+        logger.error(`Job ${jobId} ${response.Job?.Status}`);
+      }
+      return response.Job?.Status;
+    } catch (error) {
+      logger.error(`Error getting job ${jobId}: ${error}`);
+      return undefined;
+    }
+  }
+
+  async delay_ms(ms: number): Promise<void> {
+    await new Promise((resolve) => setTimeout(resolve, ms));
+  }
+
+  async loopGetJobStatusUntilFinished(
+    jobId: string
+  ): Promise<string | undefined> {
+    let status: string | undefined = await this.getMediaConvertJobStatus(jobId);
+    while (
+      status !== JobStatus.COMPLETE &&
+      status !== JobStatus.ERROR &&
+      status !== JobStatus.CANCELED &&
+      status !== undefined
+    ) {
+      logger.debug(`Job ${jobId} status: ${status}. Waiting...`);
+      status = await this.getMediaConvertJobStatus(jobId);
+      await this.delay_ms(AWSPipeline.MEDIACONVERT_CHECK_JOB_INTERVAL_MS);
+    }
+    return status;
+  }
+
   async waitForObjectInS3(S3Bucket: string, S3Key: string): Promise<boolean> {
     try {
       await waitUntilObjectExists(
-        { client: this.s3, maxWaitTime: AWSPipeline.MAX_WAIT_TIME },
+        { client: this.s3, maxWaitTime: AWSPipeline.MAX_WAIT_TIME_S },
         { Bucket: S3Bucket, Key: S3Key }
       );
       return true;
@@ -230,13 +271,14 @@ export default class AWSPipeline implements Pipeline {
 
     // Transcode
     logger.info('Transcoding ' + inputFilename + ' to ' + outputURI + '...');
+    let createJobResponse: CreateJobCommandOutput;
     try {
       const accelerationSettings = this.configuration.accelerationMode
         ? {
             AccelerationSettings: { Mode: this.configuration.accelerationMode }
           }
         : {};
-      await this.mediaConvert.send(
+      createJobResponse = await this.mediaConvert.send(
         new CreateJobCommand({
           Role: this.configuration.mediaConvertRole,
           Settings: settings,
@@ -249,12 +291,20 @@ export default class AWSPipeline implements Pipeline {
       );
       throw error;
     }
-
-    const s3Status = await this.waitForObjectInS3(
-      outputBucket,
-      `${outputFolder}/${outputObject}`
+    if (!createJobResponse.Job?.Id) {
+      logger.error(`No Job from create response ${inputFilename}`);
+      return '';
+    }
+    const s3Status = await this.loopGetJobStatusUntilFinished(
+      createJobResponse.Job.Id
     );
-    if (!s3Status) return '';
+    if (
+      s3Status === JobStatus.ERROR ||
+      s3Status === JobStatus.CANCELED ||
+      s3Status === undefined
+    ) {
+      return '';
+    }
     await this.probeMetadata(outputBucket, outputFolder, outputObject);
 
     logger.info('Finished transcoding ' + inputFilename + '.');