// DeleteEndpointGroup handles endpoint group deletes
func DeleteEndpointGroup(tenantName, groupName string) error {
// Get the state driver
stateDriver, err := utils.GetStateDriver()
if err != nil {
return err
}
epgKey := mastercfg.GetEndpointGroupKey(groupName, tenantName)
epgCfg := &mastercfg.EndpointGroupState{}
epgCfg.StateDriver = stateDriver
err = epgCfg.Read(epgKey)
if err != nil {
log.Errorf("error reading EPG key %s. Error: %s", epgKey, err)
return err
}
if epgCfg.EpCount != 0 {
return core.Errorf("Error: EPG %s has active endpoints", groupName)
}
// Delete the endpoint group state
gstate.GlobalMutex.Lock()
defer gstate.GlobalMutex.Unlock()
gCfg := gstate.Cfg{}
gCfg.StateDriver = stateDriver
err = gCfg.Read(epgCfg.TenantName)
if err != nil {
log.Errorf("error reading tenant cfg state. Error: %s", err)
return err
}
// if aci mode we allocate per-epg vlan. free it here.
aciMode, aErr := IsAciConfigured()
if aErr != nil {
return aErr
}
if aciMode {
if epgCfg.PktTagType == "vlan" {
err = gCfg.FreeVLAN(uint(epgCfg.PktTag))
if err != nil {
return err
}
log.Debugf("Freed vlan %v\n", epgCfg.PktTag)
}
}
// Delete endpoint group
err = epgCfg.Clear()
if err != nil {
log.Errorf("error writing epGroup config. Error: %v", err)
return err
}
if GetClusterMode() == "docker" {
return docknet.DeleteDockNet(epgCfg.TenantName, epgCfg.NetworkName, epgCfg.GroupName)
}
return nil
}
// DeleteEndpointGroup handles endpoint group deletes
func DeleteEndpointGroup(epgID int) error {
// Get the state driver
stateDriver, err := utils.GetStateDriver()
if err != nil {
return err
}
epgCfg := &mastercfg.EndpointGroupState{}
epgCfg.StateDriver = stateDriver
err = epgCfg.Read(strconv.Itoa(epgID))
if err != nil {
log.Errorf("EpGroup %v is not configured", epgID)
return err
}
gCfg := gstate.Cfg{}
gCfg.StateDriver = stateDriver
err = gCfg.Read(epgCfg.Tenant)
if err != nil {
log.Errorf("error reading tenant cfg state. Error: %s", err)
return err
}
// if aci mode we allocate per-epg vlan. free it here.
aciMode, aErr := IsAciConfigured()
if aErr != nil {
return aErr
}
if aciMode {
if epgCfg.PktTagType == "vlan" {
err = gCfg.FreeVLAN(uint(epgCfg.PktTag))
if err != nil {
return err
}
log.Debugf("Freed vlan %v\n", epgCfg.PktTag)
}
}
// Delete endpoint group
err = epgCfg.Clear()
if err != nil {
log.Errorf("error writing epGroup config. Error: %v", err)
return err
}
return docknet.DeleteDockNet(epgCfg.Tenant, epgCfg.NetworkName, epgCfg.Name)
}
// DeleteNetworkID removes a network by ID.
func DeleteNetworkID(stateDriver core.StateDriver, netID string) error {
nwCfg := &mastercfg.CfgNetworkState{}
nwCfg.StateDriver = stateDriver
err := nwCfg.Read(netID)
if err != nil {
log.Errorf("network %s is not operational", netID)
return err
}
aci, _ := IsAciConfigured()
if aci {
// Skip docker network deletion for ACI fabric mode.
return nil
}
if nwCfg.NwType != "infra" {
// For Infra nw, endpoint delete initiated by netplugin
// Check if there are any active endpoints
if hasActiveEndpoints(nwCfg) {
return core.Errorf("Error: Network has active endpoints")
}
if IsDNSEnabled() {
// detach Dns container
err = detachServiceContainer(nwCfg.Tenant, nwCfg.NetworkName)
if err != nil {
log.Errorf("Error detaching service container. Err: %v", err)
}
}
if GetClusterMode() == "docker" {
// Delete the docker network
err = docknet.DeleteDockNet(nwCfg.Tenant, nwCfg.NetworkName, "")
if err != nil {
log.Errorf("Error deleting network %s. Err: %v", netID, err)
// DeleteDockNet will fail when network has active endpoints.
// No damage is done yet. It is safe to fail.
// We do not have to call attachServiceContainer here,
// as detachServiceContainer detaches only when there are no
// endpoints remaining.
return err
}
}
}
gCfg := &gstate.Cfg{}
gCfg.StateDriver = stateDriver
err = gCfg.Read("")
if err != nil {
log.Errorf("error reading tenant info for %q. Error: %s", nwCfg.Tenant, err)
return err
}
// Free resource associated with the network
err = freeNetworkResources(stateDriver, nwCfg, gCfg)
if err != nil {
// Error while freeing up vlan/vxlan/subnet/gateway resources
// This can only happen because of defects in code
// No need of any corrective handling here
return err
}
err = nwCfg.Clear()
if err != nil {
log.Errorf("error writing nw config. Error: %s", err)
return err
}
return err
}