ballerina/cloud1.0.0

Module Overview

This module offers an annotation based Kubernetes extension implementation for ballerina.

Annotation Usage Sample:

1import ballerina/http;
2import ballerina/log;
3
4listener http:Listener helloEP = new(9090);
5
6service /helloWorld on helloEP {
7    resource function get sayHello(http:Caller caller, http:Request request) {
8        var responseResult = caller->respond("Hello, World from service helloWorld ! ");
9        if (responseResult is error) {
10            log:printError("error responding back to client.", 'error = responseResult);
11        }
12    }
13}

Build the above program with build-option --cloud = k8s to generate kubernetes artifacts.

1
2$> bal build --cloud=k8s hello_world.bal
3
4Compiling source
5	hello_world.bal
6
7Generating executable
8
9Generating artifacts...
10
11	@kubernetes:Service 			 - complete 1/1
12	@kubernetes:Deployment 			 - complete 1/1
13	@kubernetes:HPA 			 - complete 1/1
14	@kubernetes:Docker 			 - complete 2/2
15
16	Execute the below command to deploy the Kubernetes artifacts:
17	kubectl apply -f /Users/anuruddha/workspace/ballerinax/module-ballerina-c2c/samples/sample1/kubernetes
18
19	Execute the below command to access service via NodePort:
20	kubectl expose deployment hello-world-deployment --type=NodePort --name=hello-world-svc-local