Examples with KUBERNETES org.ballerinax.kubernetes.KubernetesConstants.KUBERNETES used on opensource projects

Example 1 with KUBERNETES

use of org.ballerinax.kubernetes.KubernetesConstants.KUBERNETES in project kubernetes by ballerinax.

the class KubernetesPlugin method process.

@Override
public void process(PackageNode packageNode) {
    BLangPackage bPackage = (BLangPackage) packageNode;
    KubernetesContext.getInstance().addDataHolder(bPackage.packageID, sourceDirectory.getPath());
    // Get dependency jar paths
    JarResolver jarResolver = KubernetesContext.getInstance().getCompilerContext().get(JAR_RESOLVER_KEY);
    if (jarResolver != null) {
        Set<Path> dependencyJarPaths = new HashSet<>(jarResolver.allDependencies(bPackage));
        KubernetesContext.getInstance().getDataHolder(bPackage.packageID).getDockerModel().addDependencyJarPaths(dependencyJarPaths);
    }
    // Get the imports with alias _
    List<BLangImportPackage> kubernetesImports = bPackage.getImports().stream().filter(i -> i.symbol.toString().startsWith("ballerina/kubernetes") && i.getAlias().toString().equals("_")).collect(Collectors.toList());
    if (kubernetesImports.size() > 0) {
        for (BLangImportPackage kubernetesImport : kubernetesImports) {
            // Get the units of the file which has kubernetes import as _
            List<TopLevelNode> topLevelNodes = bPackage.getCompilationUnits().stream().filter(cu -> cu.getName().equals(kubernetesImport.compUnit.getValue())).flatMap(cu -> cu.getTopLevelNodes().stream()).collect(Collectors.toList());
            // Filter out the services
            List<ServiceNode> serviceNodes = topLevelNodes.stream().filter(tln -> tln instanceof ServiceNode).map(tln -> (ServiceNode) tln).collect(Collectors.toList());
            // Generate artifacts for services for all services
            serviceNodes.forEach(sn -> process(sn, Collections.singletonList(createAnnotation("Deployment"))));
            // Create Service annotation with NodePort service type
            AnnotationAttachmentNode serviceAnnotation = createAnnotation("Service");
            BLangRecordLiteral svcRecordLiteral = (BLangRecordLiteral) TreeBuilder.createRecordLiteralNode();
            serviceAnnotation.setExpression(svcRecordLiteral);
            BLangLiteral serviceTypeKey = (BLangLiteral) TreeBuilder.createLiteralExpression();
            serviceTypeKey.value = ServiceAnnotationProcessor.ServiceConfiguration.serviceType.name();
            serviceTypeKey.type = new BType(TypeTags.STRING, null);
            BLangLiteral serviceTypeValue = new BLangLiteral();
            serviceTypeValue.value = KubernetesConstants.ServiceType.NodePort.name();
            serviceTypeValue.type = new BType(TypeTags.STRING, null);
            BLangRecordLiteral.BLangRecordKeyValueField serviceTypeRecordField = new BLangRecordLiteral.BLangRecordKeyValueField();
            serviceTypeRecordField.key = new BLangRecordLiteral.BLangRecordKey(serviceTypeKey);
            serviceTypeRecordField.valueExpr = serviceTypeValue;
            svcRecordLiteral.fields.add(serviceTypeRecordField);
            // Filter services with 'new Listener()' and generate services
            for (ServiceNode serviceNode : serviceNodes) {
                Optional<? extends ExpressionNode> initListener = serviceNode.getAttachedExprs().stream().filter(aex -> aex instanceof BLangTypeInit).findAny();
                if (initListener.isPresent()) {
                    serviceNodes.forEach(sn -> process(sn, Collections.singletonList(serviceAnnotation)));
                }
            }
            // Get the variable names of the listeners attached to services
            List<String> listenerNamesToExpose = serviceNodes.stream().map(ServiceNode::getAttachedExprs).flatMap(Collection::stream).filter(aex -> aex instanceof BLangSimpleVarRef).map(aex -> (BLangSimpleVarRef) aex).map(BLangSimpleVarRef::toString).collect(Collectors.toList());
            // Generate artifacts for listeners attached to services
            topLevelNodes.stream().filter(tln -> tln instanceof SimpleVariableNode).map(tln -> (SimpleVariableNode) tln).filter(listener -> listenerNamesToExpose.contains(listener.getName().getValue())).forEach(listener -> process(listener, Collections.singletonList(serviceAnnotation)));
            // Generate artifacts for main functions
            topLevelNodes.stream().filter(tln -> tln instanceof FunctionNode).map(tln -> (FunctionNode) tln).filter(fn -> "main".equals(fn.getName().getValue())).forEach(fn -> process(fn, Collections.singletonList(createAnnotation("Job"))));
        }
    }
}