//
// Retrieve the list of IP prefixes associated with this network.
//
func (m *NetworkManagerImpl) NetworkIPPrefixList(network *types.VirtualNetwork) ([]string, error) {
prefixList := make([]string, 0)
refList, err := network.GetNetworkIpamRefs()
if err != nil {
return nil, err
}
for _, ref := range refList {
attr := ref.Attr.(types.VnSubnetsType)
for _, ipamSubnet := range attr.IpamSubnets {
prefixList = append(prefixList,
fmt.Sprintf("%s/%d", ipamSubnet.Subnet.IpPrefix, ipamSubnet.Subnet.IpPrefixLen))
}
}
return prefixList, nil
}
func (m *NetworkManagerImpl) GetGatewayAddress(network *types.VirtualNetwork) (string, error) {
refs, err := network.GetNetworkIpamRefs()
if err != nil {
glog.Errorf("Get network %s network-ipam refs: %v", network.GetName(), err)
return "", err
}
attr := refs[0].Attr.(types.VnSubnetsType)
if len(attr.IpamSubnets) == 0 {
glog.Errorf("Network %s has no subnets configured", network.GetName())
return "", fmt.Errorf("Network %s: empty subnet list", network.GetName())
}
gateway := attr.IpamSubnets[0].DefaultGateway
if gateway == "" {
glog.Errorf("Gateway for %s is empty", network.GetName())
return "", fmt.Errorf("Gateway is empty: %+v", attr.IpamSubnets)
}
return gateway, nil
}
func buildNetworkInfo(net *types.VirtualNetwork, detail bool) (
*NetworkInfo, error) {
var subnets []string
var policies []string
refList, err := net.GetNetworkIpamRefs()
if err != nil {
return nil, err
}
for _, ref := range refList {
attr := ref.Attr.(types.VnSubnetsType)
for _, ipamSubnet := range attr.IpamSubnets {
subnets = append(subnets, fmt.Sprintf("%s/%d",
ipamSubnet.Subnet.IpPrefix,
ipamSubnet.Subnet.IpPrefixLen))
}
}
if detail {
refList, err = net.GetNetworkPolicyRefs()
for _, ref := range refList {
policies = append(policies, strings.Join(ref.To, ":"))
}
}
info := &NetworkInfo{
net.GetUuid(),
net.GetName(),
net.GetIdPerms().Enable,
net.GetVirtualNetworkProperties().NetworkId,
net.GetVirtualNetworkProperties().AllowTransit,
net.GetVirtualNetworkProperties().ForwardingMode,
subnets,
policies,
net.GetRouteTargetList().RouteTarget,
}
return info, err
}
