// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package org.apache.cloudstack.api.command.user.firewall;
import java.util.List;
import com.cloud.utils.net.NetUtils;
import org.apache.cloudstack.api.APICommand;
import org.apache.cloudstack.api.ApiCommandJobType;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.BaseAsyncCmd;
import org.apache.cloudstack.api.BaseAsyncCreateCmd;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.FirewallRuleResponse;
import org.apache.cloudstack.api.response.IPAddressResponse;
import org.apache.cloudstack.api.response.NetworkResponse;
import org.apache.cloudstack.api.response.UserVmResponse;
import org.apache.cloudstack.context.CallContext;
import org.apache.log4j.Logger;
import com.cloud.event.EventTypes;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.exception.NetworkRuleConflictException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.network.IpAddress;
import com.cloud.network.rules.PortForwardingRule;
import com.cloud.user.Account;
import com.cloud.utils.net.Ip;
@APICommand(name = "createPortForwardingRule", description = "Creates a port forwarding rule", responseObject = FirewallRuleResponse.class)
public class CreatePortForwardingRuleCmd extends BaseAsyncCreateCmd implements PortForwardingRule {
public static final Logger s_logger = Logger.getLogger(CreatePortForwardingRuleCmd.class.getName());
private static final String s_name = "createportforwardingruleresponse";
// ///////////////////////////////////////////////////
// ////////////// API parameters /////////////////////
// ///////////////////////////////////////////////////
@Parameter(name = ApiConstants.IP_ADDRESS_ID, type = CommandType.UUID, entityType = IPAddressResponse.class,
required = true,
description = "the IP address id of the port forwarding rule")
private Long ipAddressId;
@Parameter(name = ApiConstants.PRIVATE_START_PORT, type = CommandType.INTEGER, required = true,
description = "the starting port of port forwarding rule's private port range")
private Integer privateStartPort;
@Parameter(name = ApiConstants.PROTOCOL, type = CommandType.STRING, required = true,
description = "the protocol for the port fowarding rule. Valid values are TCP or UDP.")
private String protocol;
@Parameter(name = ApiConstants.PRIVATE_END_PORT, type = CommandType.INTEGER, required = false, description = "the ending port of port forwarding rule's private port range")
private Integer privateEndPort;
@Parameter(name = ApiConstants.PUBLIC_START_PORT, type = CommandType.INTEGER, required = true,
description = "the starting port of port forwarding rule's public port range")
private Integer publicStartPort;
@Parameter(name = ApiConstants.PUBLIC_END_PORT, type = CommandType.INTEGER, required = false, description = "the ending port of port forwarding rule's private port range")
private Integer publicEndPort;
@Parameter(name = ApiConstants.VIRTUAL_MACHINE_ID, type = CommandType.UUID, entityType = UserVmResponse.class,
required = true,
description = "the ID of the virtual machine for the port forwarding rule")
private Long virtualMachineId;
@Parameter(name = ApiConstants.CIDR_LIST, type = CommandType.LIST, collectionType = CommandType.STRING,
description = "the cidr list to forward traffic from")
private List<String> cidrlist;
@Parameter(name = ApiConstants.OPEN_FIREWALL, type = CommandType.BOOLEAN,
description = "if true, firewall rule for source/end pubic port is automatically created; " +
"if false - firewall rule has to be created explicitely. If not specified 1) defaulted to false when PF" +
" rule is being created for VPC guest network 2) in all other cases defaulted to true")
private Boolean openFirewall;
@Parameter(name=ApiConstants.NETWORK_ID, type=CommandType.UUID, entityType = NetworkResponse.class,
description="The network of the vm the Port Forwarding rule will be created for. " +
"Required when public Ip address is not associated with any Guest network yet (VPC case)")
private Long networkId;
@Parameter(name = ApiConstants.VM_GUEST_IP, type = CommandType.STRING, required = false,
description = "VM guest nic Secondary ip address for the port forwarding rule")
private String vmSecondaryIp;
// ///////////////////////////////////////////////////
// ///////////////// Accessors ///////////////////////
// ///////////////////////////////////////////////////
public Long getIpAddressId() {
return ipAddressId;
}
public Ip getVmSecondaryIp() {
if (vmSecondaryIp == null) {
return null;
}
return new Ip(vmSecondaryIp);
}
@Override
public String getProtocol() {
return protocol.trim();
}
@Override
public long getVirtualMachineId() {
return virtualMachineId;
}
public List<String> getSourceCidrList() {
if (cidrlist != null) {
throw new InvalidParameterValueException("Parameter cidrList is deprecated; if you need to open firewall " +
"rule for the specific cidr, please refer to createFirewallRule command");
}
return null;
}
public Boolean getOpenFirewall() {
boolean isVpc = getVpcId() == null ? false : true;
if (openFirewall != null) {
if (isVpc && openFirewall) {
throw new InvalidParameterValueException("Can't have openFirewall=true when IP address belongs to VPC");
}
return openFirewall;
} else {
if (isVpc) {
return false;
}
return true;
}
}
private Long getVpcId() {
if (ipAddressId != null) {
IpAddress ipAddr = _networkService.getIp(ipAddressId);
if (ipAddr == null || !ipAddr.readyToUse()) {
throw new InvalidParameterValueException("Unable to create PF rule, invalid IP address id " + ipAddr.getId());
} else {
return ipAddr.getVpcId();
}
}
return null;
}
// ///////////////////////////////////////////////////
// ///////////// API Implementation///////////////////
// ///////////////////////////////////////////////////
@Override
public String getCommandName() {
return s_name;
}
@Override
public void execute() throws ResourceUnavailableException {
CallContext callerContext = CallContext.current();
boolean success = true;
PortForwardingRule rule = null;
try {
CallContext.current().setEventDetails("Rule Id: " + getEntityId());
if (getOpenFirewall()) {
success = success && _firewallService.applyIngressFirewallRules(ipAddressId, callerContext.getCallingAccount());
}
success = success && _rulesService.applyPortForwardingRules(ipAddressId, callerContext.getCallingAccount());
// State is different after the rule is applied, so get new object here
rule = _entityMgr.findById(PortForwardingRule.class, getEntityId());
FirewallRuleResponse fwResponse = new FirewallRuleResponse();
if (rule != null) {
fwResponse = _responseGenerator.createPortForwardingRuleResponse(rule);
setResponseObject(fwResponse);
}
fwResponse.setResponseName(getCommandName());
} finally {
if (!success || rule == null) {
if (getOpenFirewall()) {
_firewallService.revokeRelatedFirewallRule(getEntityId(), true);
}
try {
_rulesService.revokePortForwardingRule(getEntityId(), true);
} catch (Exception ex){
//Ignore e.g. failed to apply rules to device error
}
throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to apply port forwarding rule");
}
}
}
@Override
public long getId() {
throw new UnsupportedOperationException("database id can only provided by VO objects");
}
@Override
public String getXid() {
// FIXME: We should allow for end user to specify Xid.
return null;
}
@Override
public String getUuid() {
// TODO Auto-generated method stub
return null;
}
@Override
public Long getSourceIpAddressId() {
return ipAddressId;
}
@Override
public Integer getSourcePortStart() {
return publicStartPort.intValue();
}
@Override
public Integer getSourcePortEnd() {
return (publicEndPort == null)? publicStartPort.intValue() : publicEndPort.intValue();
}
@Override
public Purpose getPurpose() {
return Purpose.PortForwarding;
}
@Override
public State getState() {
throw new UnsupportedOperationException("Should never call me to find the state");
}
@Override
public long getNetworkId() {
IpAddress ip = _entityMgr.findById(IpAddress.class, getIpAddressId());
Long ntwkId = null;
if (ip.getAssociatedWithNetworkId() != null) {
ntwkId = ip.getAssociatedWithNetworkId();
} else {
ntwkId = networkId;
}
if (ntwkId == null) {
throw new InvalidParameterValueException("Unable to create port forwarding rule for the ipAddress id=" + ipAddressId +
" as ip is not associated with any network and no networkId is passed in");
}
return ntwkId;
}
@Override
public long getEntityOwnerId() {
Account account = CallContext.current().getCallingAccount();
if (account != null) {
return account.getId();
}
return Account.ACCOUNT_ID_SYSTEM; // no account info given, parent this command to SYSTEM so ERROR events are
// tracked
}
@Override
public long getDomainId() {
IpAddress ip = _networkService.getIp(ipAddressId);
return ip.getDomainId();
}
@Override
public Ip getDestinationIpAddress() {
return null;
}
@Override
public void setDestinationIpAddress(Ip destinationIpAddress) {
return;
}
@Override
public int getDestinationPortStart() {
return privateStartPort.intValue();
}
@Override
public int getDestinationPortEnd() {
return (privateEndPort == null)? privateStartPort.intValue() : privateEndPort.intValue();
}
@Override
public void create() {
// cidr list parameter is deprecated
if (cidrlist != null) {
throw new InvalidParameterValueException("Parameter cidrList is deprecated; if you need to open firewall rule for the specific cidr, please refer to createFirewallRule command");
}
Ip privateIp = getVmSecondaryIp();
if (privateIp != null) {
if (!NetUtils.isValidIp(privateIp.toString())) {
throw new InvalidParameterValueException("Invalid vm ip address");
}
}
try {
PortForwardingRule result = _rulesService.createPortForwardingRule(this, virtualMachineId, privateIp, getOpenFirewall());
setEntityId(result.getId());
setEntityUuid(result.getUuid());
} catch (NetworkRuleConflictException ex) {
s_logger.info("Network rule conflict: " , ex);
s_logger.trace("Network Rule Conflict: ", ex);
throw new ServerApiException(ApiErrorCode.NETWORK_RULE_CONFLICT_ERROR, ex.getMessage());
}
}
@Override
public String getEventType() {
return EventTypes.EVENT_NET_RULE_ADD;
}
@Override
public String getEventDescription() {
IpAddress ip = _networkService.getIp(ipAddressId);
return ("Applying port forwarding rule for Ip: " + ip.getAddress() + " with virtual machine:" + virtualMachineId);
}
@Override
public long getAccountId() {
IpAddress ip = _networkService.getIp(ipAddressId);
return ip.getAccountId();
}
@Override
public String getSyncObjType() {
return BaseAsyncCmd.networkSyncObject;
}
@Override
public Long getSyncObjId() {
return getIp().getAssociatedWithNetworkId();
}
private IpAddress getIp() {
IpAddress ip = _networkService.getIp(ipAddressId);
if (ip == null) {
throw new InvalidParameterValueException("Unable to find ip address by id " + ipAddressId);
}
return ip;
}
@Override
public Integer getIcmpCode() {
return null;
}
@Override
public Integer getIcmpType() {
return null;
}
@Override
public Long getRelated() {
return null;
}
@Override
public FirewallRuleType getType() {
return FirewallRuleType.User;
}
@Override
public ApiCommandJobType getInstanceType() {
return ApiCommandJobType.FirewallRule;
}
@Override
public TrafficType getTrafficType() {
return null;
}
}