import org.openstack4j.model.network.IPVersionType; //导入依赖的package包/类
@Override
protected void run(JavaSamplerContext context) throws Exception {
	String networkName = OpenstackUtil.generateName();
	String subnetName = OpenstackUtil.generateName();

	log.debug("creating network " + networkName);
	Network network = os.networking().network()
			.create(Builders.network().name(networkName).tenantId(tenant.getId()).build());

	log.debug("creating subnet " + subnetName);
	Subnet subnet = os
			.networking()
			.subnet()
			.create(Builders.subnet().name(subnetName).networkId(network.getId()).tenantId(tenant.getId())
					.ipVersion(IPVersionType.V4).cidr("192.168.0.0/24").build());

	subnet = os.networking().subnet().get(subnet.getId());

	log.debug("deleting subnet " + subnetName);
	logIfError(os.networking().subnet().delete(subnet.getId()));

	log.debug("deleting network " + networkName);
	logIfError(os.networking().network().delete(network.getId()));
}
 

import org.openstack4j.model.network.IPVersionType; //导入依赖的package包/类
@Override
public CloudResource build(OpenStackContext context, AuthenticatedContext auth, Network network, Security security, CloudResource resource)
        throws Exception {
    try {
        NeutronNetworkView neutronView = new NeutronNetworkView(network);
        String subnetId = neutronView.isExistingSubnet() ? neutronView.getCustomSubnetId() : context.getParameter(SUBNET_ID, String.class);
        if (!neutronView.isExistingSubnet()) {
            OSClient osClient = createOSClient(auth);
            NeutronNetworkView networkView = new NeutronNetworkView(network);
            Subnet subnet = Builders.subnet().name(resource.getName())
                    .networkId(context.getParameter(OpenStackConstants.NETWORK_ID, String.class))
                    .tenantId(context.getStringParameter(OpenStackConstants.TENANT_ID))
                    .ipVersion(IPVersionType.V4)
                    .cidr(networkView.getSubnetCIDR())
                    .enableDHCP(true)
                    .build();
            subnetId = osClient.networking().subnet().create(subnet).getId();
        }
        context.putParameter(SUBNET_ID, subnetId);
        return createPersistedResource(resource, subnetId);
    } catch (OS4JException ex) {
        throw new OpenStackResourceException("Subnet creation failed", resourceType(), resource.getName(), ex);
    }
}
 

import org.openstack4j.model.network.IPVersionType; //导入依赖的package包/类
public static Subnet createSubnet(String networkId, String subnetName, String cidrBlock) throws Exception {
	if(isValidCidr(cidrBlock)){
     networkId=CommonAPI.takeFromMemory(NeutronKey.NEUTRON_NETWORKID, networkId);
     Subnet subnet = Builders.subnet().name(subnetName + "_shellSubnet_"+new Date()).networkId(networkId).ipVersion(IPVersionType.V4).cidr(cidrBlock).enableDHCP(true).build();
     subnet = Osp4jSession.getOspSession().networking().subnet().create(subnet);
     CommonAPI.addToMemory(NeutronKey.NEUTRON_SUBNETID, subnet.getId());
     return subnet != null ? subnet : null;
	}else{
		throw new Exception("Invalid CIDR block");
	}
}
 

import org.openstack4j.model.network.IPVersionType; //导入依赖的package包/类
@Override
public Object createSubnet(String subnetName, String networkName, String subnetCIDR, int ipVersion) {
	String networkId = null;
	Subnet subnet = null;
	try {
		// get network id
		for(Network network : os.networking().network().list()) {
			if(network.getName().equals(networkName)) {
				networkId = network.getId();
			}
		}

		if(networkId != null) {
			subnet = os.networking().subnet().create(Builders.subnet()
					.enableDHCP(true)
					.name(subnetName)
					.networkId(networkId)
					.ipVersion(IPVersionType.valueOf(ipVersion))
					.cidr(subnetCIDR)
					.build());
			logger.info("Created a subnet : " + subnetName + " for network [ " + networkName + "]");
		} else {
			logger.error("Failed to create subnet because network [ " + networkName + "] is not found!");
		}
	} catch( Exception ex ) {
		ex.printStackTrace();
		// TODO: Check with the team on how to handle exceptions.
		logger.error("Failed to create subnet: " + subnetName + ". Exception: " + ex.getMessage(), ex);
	}
	return subnet;
}