io.pivotal.services.plugin.tasks.helper.CfPushDelegate Maven / Gradle / Ivy

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Gradle Plugin to push an application to Cloud Foundry
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package io.pivotal.services.plugin.tasks.helper;

import io.pivotal.services.plugin.CfProperties;
import io.pivotal.services.plugin.CfServiceDetail;
import io.pivotal.services.plugin.CfUserProvidedServiceDetail;
import org.cloudfoundry.operations.CloudFoundryOperations;
import org.cloudfoundry.operations.applications.PushApplicationRequest;
import org.cloudfoundry.operations.applications.RestartApplicationRequest;
import org.cloudfoundry.operations.applications.SetEnvironmentVariableApplicationRequest;
import org.cloudfoundry.operations.services.BindServiceInstanceRequest;
import org.gradle.api.logging.Logger;
import org.gradle.api.logging.Logging;
import reactor.core.publisher.Mono;

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Map;

/**
 * Responsible for cf-push, since this functionality is going to be called from a few places this logic has been
 * centralized here.
 *
 * @author Biju Kunjummen
 */
public class CfPushDelegate {

    private static final Logger LOGGER = Logging.getLogger(CfPushDelegate.class);

    private CfCreateUserProvidedServiceHelper cfCreateUserProvidedServiceHelper = new CfCreateUserProvidedServiceHelper();
    private CfCreateServiceHelper cfCreateServiceHelper = new CfCreateServiceHelper();

    public Mono push(CloudFoundryOperations cfOperations, CfProperties cfProperties) {
        Path path = Paths.get(cfProperties.filePath());

        if (path.toFile().exists()) {
            Mono resp = Mono.empty();

            if (cfProperties.cfServices() != null) {
                for (CfServiceDetail service : cfProperties.cfServices()) {
                    resp = resp.then(cfCreateServiceHelper.createService(cfOperations, service)).then();
                }
            }

            if (cfProperties.cfUserProvidedServices() != null) {
                for (CfUserProvidedServiceDetail service : cfProperties.cfUserProvidedServices()) {
                    resp = resp.then(cfCreateUserProvidedServiceHelper.createUserProvidedService(cfOperations, service));
                }
            }

            resp = resp.then(Mono.defer(() -> {
                LOGGER.lifecycle("Pushing app '{}'", cfProperties.name());
                return cfOperations.applications()
                    .push(PushApplicationRequest.builder()
                        .name(cfProperties.name())
                        .path(path)
                        .buildpack(cfProperties.buildpack())
                        .command(cfProperties.command())
                        .diskQuota(cfProperties.diskQuota())
                        .instances(cfProperties.instances())
                        .memory(cfProperties.memory())
                        .timeout(cfProperties.timeout())
                        .domain(cfProperties.domain())
                        .host(cfProperties.host())
                        .routePath(cfProperties.path())
                        .noStart(true)
                        .build());
            }));

            if (cfProperties.environment() != null) {
                for (Map.Entry entry : cfProperties.environment().entrySet()) {
                    resp = resp.then(Mono.defer(() -> {
                        LOGGER.lifecycle("Setting env variable '{}'", entry.getKey());
                        return cfOperations.applications()
                            .setEnvironmentVariable(SetEnvironmentVariableApplicationRequest
                                .builder()
                                .name(cfProperties.name())
                                .variableName(entry.getKey())
                                .variableValue(entry.getValue())
                                .build());
                    }));
                }
            }

            if (cfProperties.services() != null) {
                for (String serviceName : cfProperties.services()) {

                    resp = resp.then(Mono.defer(() -> {
                        LOGGER.lifecycle("Binding Service '{}'", serviceName);
                        return cfOperations.services()
                            .bind(BindServiceInstanceRequest.builder()
                                .serviceInstanceName(serviceName)
                                .applicationName(cfProperties.name())
                                .build());
                    }));
                }
            }


            return resp.then(Mono.defer(() -> {
                LOGGER.lifecycle("Starting app '{}'", cfProperties.name());
                return cfOperations.applications().restart(RestartApplicationRequest
                    .builder()
                    .name(cfProperties.name()).build());
            }));
        } else {
            throw new RuntimeException("Missing file : " + path);
        }

    }
}