Serverless Microservices

curl -L http://workshops.devax.academy/monoliths-to-microservices/module6/files/TripSearchFull.zip --output TripSearchFull.zip

export DDB_TABLENAME_TRIPSECTOR=TravelBuddyTripSectors; mvn test

set DDB_TABLENAME_TRIPSECTOR=TravelBuddyTripSectors
mvn test

set DDB_TAB
sudo yum install -y java-1.8.0-openjdk-devel
sudo alternatives --config java #enter 1.8 version #enter 2
sudo alternatives --config javac #enter 1.8 version #enter 2
sudo yum remove -y java-1.7.0-openjdk-devel
sudo wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo
sudo sed -i s/\$releasever/6/g /etc/yum.repos.d/epel-apache-maven.repo
sudo yum install -y apache-maven

export DDB_TABLENAME_TRIPSECTOR=TravelBuddyTripSectors; mvn test

2021-03-30 18:03:55 <> WARN  BasicProfileConfigLoader:96 - The legacy profile format requires the 'profile ' prefix before the profile name. The latest code does not require
 such prefix, and will consider it as part of the profile name. Please remove the prefix if you are seeing this warning.
EnvVar DDB_TABLENAME_TRIPSECTOR detected - overriding DDB TableName to TravelBuddyTripSectors
AWS X-ray unavailable - ignoring
Found 52 total trips.
Sun Jun 20 23:52:23 UTC 2021 > Melbourne to Geelong on Qantas
Tue Jun 15 02:12:51 UTC 2021 > Geelong to Brisbane on Qantas
Tue Aug 17 20:29:29 UTC 2021 > Melbourne to Cairo on Qantas
Sat Mar 12 23:18:51 UTC 2022 > Sydney to Singapore on Qantas
Thu May 27 02:55:51 UTC 2021 > Perth to Hobart on Qantas
.....<omitted>
Starting devlounge.lambda.FindTripsFromCityHandler Lambda with input Melbourne

AWS X-ray unavailable - ignoring
Found 8 total trips.

Sun Jun 20 23:52:23 UTC 2021 > Melbourne to Geelong on Qantas
Tue Aug 17 20:29:29 UTC 2021 > Melbourne to Cairo on Qantas
Tue Jun 08 04:55:44 UTC 2021 > Melbourne to Dallas on Qantas
Thu Dec 09 22:15:45 UTC 2021 > Melbourne to Singapore on Qantas
Tue Jun 15 06:55:59 UTC 2021 > Melbourne to Broome on Qantas
Sun Dec 19 18:06:06 UTC 2021 > Melbourne to Geelong on Qantas
Fri Apr 09 05:45:41 UTC 2021 > Melbourne to Newcastle on Qantas
Sun Apr 03 15:19:34 UTC 2022 > Melbourne to Sydney on Qantas
Starting devlounge.lambda.FindTripsToCityHandler Lambda with city Sydney

AWS X-ray unavailable - ignoring
Found 2 total trips.

Mon Feb 28 19:39:13 UTC 2022 > Perth to Sydney on Qantas
Sun Apr 03 15:19:34 UTC 2022 > Melbourne to Sydney on Qantas
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.111 sec

Results :

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0

public class LambdaHandlerWithXRayBase 
{
	static  
	{
	  AWSXRayRecorderBuilder builder = AWSXRayRecorderBuilder.standard();

	  builder.withContextMissingStrategy(new ContextMissingStrategy() 
	  {		
		@Override
		public void contextMissing(String arg0, Class<? extends RuntimeException> arg1) 
		{ 
			System.out.println("AWS X-ray unavailable - ignoring"); 
		}	  
	  });

	  AWSXRay.setGlobalRecorder(builder.build());
	}
}

com.amazonaws.xray.exceptions.SegmentNotFoundException: Thread failed to begin a subsegment: segment not found. Verify that a segment is in progress, and that the SegmentContextResolverChain is configured correctly in order to discover the segment.

mvn package shade:shade

aws s3 cp target/tripsearch-1.0.0.jar s3://<S3BucketLambdaCode> --region ap-northeast-1

aws lambda create-function --function-name idevelopTripSearchFull --runtime java8 --role <LambdaRole> --handler devlounge.lambda.FindAllTripsHandler --code S3Bucket=<S3BucketLambdaCode>,S3Key=tripsearch-1.0.0.jar --timeout 15 --description "TravelBuddy TripSearch microservice - FindAllTrips" --memory-size 1024 --region ap-northeast-1

{
    "FunctionName": "idevelopTripSearchFull",
    "FunctionArn": "arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:idevelopTripSearchFull",
    "Runtime": "java8",
    "Role": "arn:aws:iam::XXXXXXXXXXXX:role/LambdaRole",
    "Handler": "devlounge.lambda.FindAllTripsHandler",
    "CodeSize": 9737054,
    "Description": "TravelBuddy TripSearch microservice - FindAllTrips",
    "Timeout": 15,
    "MemorySize": 1024,
    "LastModified": "2021-03-30T18:10:38.011+0000",
    "CodeSha256": "EGhfTqT/kThg05Ibn8ivLWcKSabLZtIh/t3brnmvyHA=",
    "Version": "$LATEST",
    "TracingConfig": {
        "Mode": "PassThrough"
    },
    "RevisionId": "4fdee380-f0ce-4e1e-ab1e-d42e74e89308",
    "State": "Active",
    "LastUpdateStatus": "Successful",
    "PackageType": "Zip"
}

aws lambda create-function --function-name idevelopTripSearchFromCity --runtime java8 --role <LambdaRole> --handler devlounge.lambda.FindTripsFromCityHandler --code S3Bucket=<S3BucketLambdaCode>,S3Key=tripsearch-1.0.0.jar --timeout 15 --description "TravelBuddy TripSearch microservice - FindTripsFromCity" --memory-size 1024 --region ap-northeast-1

aws lambda create-function --function-name idevelopFindTripsToCity --runtime java8 --role <LambdaRole> --handler devlounge.lambda.FindTripsToCityHandler --code S3Bucket=<S3BucketLambdaCode>,S3Key=tripsearch-1.0.0.jar --timeout 15 --description "TravelBuddy TripSearch microservice - FindTripsToCity" --memory-size 1024 --region ap-northeast-1