@Override
@DB
public RemoteAccessVpnVO startRemoteAccessVpn(long vpnId, boolean openFirewall)
throws ResourceUnavailableException {
Account caller = UserContext.current().getCaller();
RemoteAccessVpnVO vpn = _remoteAccessVpnDao.findById(vpnId);
if (vpn == null) {
throw new InvalidParameterValueException("Unable to find your vpn: " + vpnId);
}
_accountMgr.checkAccess(caller, null, true, vpn);
Network network = _networkMgr.getNetwork(vpn.getNetworkId());
boolean started = false;
try {
boolean firewallOpened = true;
if (openFirewall) {
firewallOpened = _firewallMgr.applyIngressFirewallRules(vpn.getServerAddressId(), caller);
}
if (firewallOpened) {
for (RemoteAccessVPNServiceProvider element : _vpnServiceProviders) {
if (element.startVpn(network, vpn)) {
started = true;
break;
}
}
}
return vpn;
} finally {
if (started) {
Transaction txn = Transaction.currentTxn();
txn.start();
vpn.setState(RemoteAccessVpn.State.Running);
_remoteAccessVpnDao.update(vpn.getServerAddressId(), vpn);
// Start billing of existing VPN users in ADD and Active state
List<VpnUserVO> vpnUsers = _vpnUsersDao.listByAccount(vpn.getAccountId());
for (VpnUserVO user : vpnUsers) {
if (user.getState() != VpnUser.State.Revoke) {
UsageEventUtils.publishUsageEvent(
EventTypes.EVENT_VPN_USER_ADD,
user.getAccountId(),
0,
user.getId(),
user.getUsername(),
user.getClass().getName(),
user.getUuid());
}
}
txn.commit();
}
}
}
@Override
@DB
public void destroyRemoteAccessVpn(long ipId, Account caller)
throws ResourceUnavailableException {
RemoteAccessVpnVO vpn = _remoteAccessVpnDao.findById(ipId);
if (vpn == null) {
s_logger.debug("vpn id=" + ipId + " does not exists ");
return;
}
_accountMgr.checkAccess(caller, null, true, vpn);
Network network = _networkMgr.getNetwork(vpn.getNetworkId());
vpn.setState(RemoteAccessVpn.State.Removed);
_remoteAccessVpnDao.update(vpn.getServerAddressId(), vpn);
boolean success = false;
try {
for (RemoteAccessVPNServiceProvider element : _vpnServiceProviders) {
if (element.stopVpn(network, vpn)) {
success = true;
break;
}
}
} finally {
if (success) {
// Cleanup corresponding ports
List<? extends FirewallRule> vpnFwRules = _rulesDao.listByIpAndPurpose(ipId, Purpose.Vpn);
Transaction txn = Transaction.currentTxn();
boolean applyFirewall = false;
List<FirewallRuleVO> fwRules = new ArrayList<FirewallRuleVO>();
// if related firewall rule is created for the first vpn port, it would be created for the 2
// other ports as well, so need to cleanup the backend
if (_rulesDao.findByRelatedId(vpnFwRules.get(0).getId()) != null) {
applyFirewall = true;
}
if (applyFirewall) {
txn.start();
for (FirewallRule vpnFwRule : vpnFwRules) {
// don't apply on the backend yet; send all 3 rules in a banch
_firewallMgr.revokeRelatedFirewallRule(vpnFwRule.getId(), false);
fwRules.add(_rulesDao.findByRelatedId(vpnFwRule.getId()));
}
s_logger.debug(
"Marked "
+ fwRules.size()
+ " firewall rules as Revoked as a part of disable remote access vpn");
txn.commit();
// now apply vpn rules on the backend
s_logger.debug(
"Reapplying firewall rules for ip id="
+ ipId
+ " as a part of disable remote access vpn");
success = _firewallMgr.applyIngressFirewallRules(ipId, caller);
}
if (success) {
try {
txn.start();
_remoteAccessVpnDao.remove(ipId);
// Stop billing of VPN users when VPN is removed. VPN_User_ADD events will be generated
// when VPN is created again
List<VpnUserVO> vpnUsers = _vpnUsersDao.listByAccount(vpn.getAccountId());
for (VpnUserVO user : vpnUsers) {
// VPN_USER_REMOVE event is already generated for users in Revoke state
if (user.getState() != VpnUser.State.Revoke) {
UsageEventUtils.publishUsageEvent(
EventTypes.EVENT_VPN_USER_REMOVE,
user.getAccountId(),
0,
user.getId(),
user.getUsername(),
user.getClass().getName(),
user.getUuid());
}
}
if (vpnFwRules != null) {
for (FirewallRule vpnFwRule : vpnFwRules) {
_rulesDao.remove(vpnFwRule.getId());
s_logger.debug(
"Successfully removed firewall rule with ip id="
+ vpnFwRule.getSourceIpAddressId()
+ " and port "
+ vpnFwRule.getSourcePortStart()
+ " as a part of vpn cleanup");
}
}
txn.commit();
} catch (Exception ex) {
txn.rollback();
s_logger.warn("Unable to release the three vpn ports from the firewall rules", ex);
}
}
}
}
}