func policyLocateRuleByFQN(client contrail.ApiClient, policy *types.NetworkPolicy, lhsFQN, rhsFQN []string) error {
	lhsName := strings.Join(lhsFQN, ":")
	rhsName := strings.Join(rhsFQN, ":")
	entries := policy.GetNetworkPolicyEntries()
	for _, rule := range entries.PolicyRule {
		if rule.SrcAddresses[0].VirtualNetwork == lhsName &&
			rule.DstAddresses[0].VirtualNetwork == rhsName {
			return nil
		}
	}
	rule := new(types.PolicyRuleType)
	rule.Protocol = "any"
	rule.Direction = "<>"
	rule.SrcAddresses = []types.AddressType{types.AddressType{
		VirtualNetwork: lhsName,
	}}
	rule.DstAddresses = []types.AddressType{types.AddressType{
		VirtualNetwork: rhsName,
	}}
	rule.SrcPorts = []types.PortType{types.PortType{StartPort: -1, EndPort: -1}}
	rule.DstPorts = []types.PortType{types.PortType{StartPort: -1, EndPort: -1}}
	rule.ActionList = &types.ActionListType{
		SimpleAction: "pass",
	}

	entries.AddPolicyRule(rule)
	policy.SetNetworkPolicyEntries(&entries)
	err := client.Update(policy)
	if err != nil {
		glog.Errorf("policy-rule: %v", err)
		return err
	}
	return nil
}
func (m *ServiceManagerImpl) locatePolicyRule(policy *types.NetworkPolicy, lhs, rhs *types.VirtualNetwork) error {
	lhsName := strings.Join(lhs.GetFQName(), ":")
	rhsName := strings.Join(rhs.GetFQName(), ":")

	entries := policy.GetNetworkPolicyEntries()
	for _, rule := range entries.PolicyRule {
		if rule.SrcAddresses[0].VirtualNetwork == lhsName &&
			rule.DstAddresses[0].VirtualNetwork == rhsName {
			return nil
		}
	}
	rule := new(types.PolicyRuleType)
	rule.Protocol = "any"
	rule.Direction = "<>"
	rule.SrcAddresses = []types.AddressType{types.AddressType{
		VirtualNetwork: lhsName,
	}}
	rule.DstAddresses = []types.AddressType{types.AddressType{
		VirtualNetwork: rhsName,
	}}
	rule.SrcPorts = []types.PortType{types.PortType{-1, -1}}
	rule.DstPorts = []types.PortType{types.PortType{-1, -1}}
	rule.ActionList = &types.ActionListType{
		SimpleAction: "pass",
	}

	entries.AddPolicyRule(rule)
	policy.SetNetworkPolicyEntries(&entries)
	err := m.client.Update(policy)
	if err != nil {
		glog.Errorf("policy-rule: %v", err)
		return err
	}
	return nil
}
func policyDeleteRule(client contrail.ApiClient, policy *types.NetworkPolicy, lhsName, rhsName string) error {
	entries := policy.GetNetworkPolicyEntries()
	var index int = -1
	for i, rule := range entries.PolicyRule {
		if rule.SrcAddresses[0].VirtualNetwork == lhsName &&
			rule.DstAddresses[0].VirtualNetwork == rhsName {
			index = i
			break
		}
	}
	if index < 0 {
		return nil
	}
	entries.PolicyRule = removeRulesIndex(entries.PolicyRule, index)
	policy.SetNetworkPolicyEntries(&entries)
	err := client.Update(policy)
	if err != nil {
		glog.Errorf("policy-rule: %v", err)
	}
	return err
}