func (os *OpenStack) OSNetworktoProviderNetwork(osNetwork *networks.Network) (*provider.Network, error) {
var providerNetwork provider.Network
var providerSubnets []*provider.Subnet
providerNetwork.Name = osNetwork.Name
providerNetwork.Uid = osNetwork.ID
providerNetwork.Status = os.ToProviderStatus(osNetwork.Status)
providerNetwork.TenantID = osNetwork.TenantID
for _, subnetID := range osNetwork.Subnets {
s, err := os.getProviderSubnet(subnetID)
if err != nil {
return nil, err
}
providerSubnets = append(providerSubnets, s)
}
providerNetwork.Subnets = providerSubnets
return &providerNetwork, nil
}
// Create network
func (os *OpenStack) CreateNetwork(network *provider.Network) error {
if len(network.Subnets) == 0 {
return errors.New("Subnets is null")
}
// create network
opts := networks.CreateOpts{
Name: network.Name,
AdminStateUp: &adminStateUp,
TenantID: network.TenantID,
}
osNet, err := networks.Create(os.network, opts).Extract()
if err != nil {
glog.Errorf("Create openstack network %s failed: %v", network.Name, err)
return err
}
// create router
routerOpts := routers.CreateOpts{
Name: network.Name,
TenantID: network.TenantID,
GatewayInfo: &routers.GatewayInfo{NetworkID: os.ExtNetID},
}
osRouter, err := routers.Create(os.network, routerOpts).Extract()
if err != nil {
glog.Errorf("Create openstack router %s failed: %v", network.Name, err)
delErr := os.DeleteNetwork(network.Name)
if delErr != nil {
glog.Errorf("Delete openstack network %s failed: %v", network.Name, delErr)
}
return err
}
// create subnets and connect them to router
networkID := osNet.ID
network.Status = os.ToProviderStatus(osNet.Status)
network.Uid = osNet.ID
for _, sub := range network.Subnets {
// create subnet
subnetOpts := subnets.CreateOpts{
NetworkID: networkID,
CIDR: sub.Cidr,
Name: sub.Name,
IPVersion: gophercloud.IPv4,
TenantID: network.TenantID,
GatewayIP: &sub.Gateway,
DNSNameservers: sub.Dnsservers,
}
s, err := subnets.Create(os.network, subnetOpts).Extract()
if err != nil {
glog.Errorf("Create openstack subnet %s failed: %v", sub.Name, err)
delErr := os.DeleteNetwork(network.Name)
if delErr != nil {
glog.Errorf("Delete openstack network %s failed: %v", network.Name, delErr)
}
return err
}
// add subnet to router
opts := routers.AddInterfaceOpts{
SubnetID: s.ID,
}
_, err = routers.AddInterface(os.network, osRouter.ID, opts).Extract()
if err != nil {
glog.Errorf("Create openstack subnet %s failed: %v", sub.Name, err)
delErr := os.DeleteNetwork(network.Name)
if delErr != nil {
glog.Errorf("Delete openstack network %s failed: %v", network.Name, delErr)
}
return err
}
}
return nil
}