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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package bridge | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "sigs.k8s.io/controller-runtime/pkg/log" | ||
|
|
||
| sriovnetworkv1 "github.com/k8snetworkplumbingwg/sriov-network-operator/api/v1" | ||
| "github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/host/internal/bridge/ovs" | ||
| ovsStorePkg "github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/host/internal/bridge/ovs/store" | ||
| "github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/host/types" | ||
| ) | ||
|
|
||
| type bridge struct { | ||
| ovs ovs.Interface | ||
| } | ||
|
|
||
| // New return default implementation of the BridgeInterface | ||
| func New() types.BridgeInterface { | ||
| return &bridge{ | ||
| ovs: ovs.New(ovsStorePkg.New()), | ||
| } | ||
| } | ||
|
|
||
| // DiscoverBridges returns information about managed bridges on the host | ||
| func (b *bridge) DiscoverBridges() (sriovnetworkv1.Bridges, error) { | ||
| log.Log.V(2).Info("DiscoverBridges(): discover managed bridges") | ||
| discoveredOVSBridges, err := b.ovs.GetOVSBridges(context.Background()) | ||
| if err != nil { | ||
| log.Log.Error(err, "DiscoverBridges(): failed to discover managed OVS bridges") | ||
| return sriovnetworkv1.Bridges{}, err | ||
| } | ||
| return sriovnetworkv1.Bridges{OVS: discoveredOVSBridges}, nil | ||
| } | ||
|
|
||
| // ConfigureBridge configure managed bridges for the host | ||
| func (b *bridge) ConfigureBridges(bridgesSpec sriovnetworkv1.Bridges, bridgesStatus sriovnetworkv1.Bridges) error { | ||
| log.Log.V(1).Info("ConfigureBridges(): configure bridges") | ||
| if len(bridgesSpec.OVS) == 0 && len(bridgesStatus.OVS) == 0 { | ||
| // there are no reported OVS bridges in the status and the spec doesn't contains bridges. | ||
| // no need to validated configuration | ||
| log.Log.V(2).Info("ConfigureBridges(): configuration is not required") | ||
| return nil | ||
| } | ||
| for _, curBr := range bridgesStatus.OVS { | ||
| found := false | ||
| for _, desiredBr := range bridgesSpec.OVS { | ||
| if curBr.Name == desiredBr.Name { | ||
| found = true | ||
| break | ||
| } | ||
| } | ||
| if !found { | ||
| if err := b.ovs.RemoveOVSBridge(context.Background(), curBr.Name); err != nil { | ||
| log.Log.Error(err, "ConfigureBridges(): failed to remove OVS bridge", "bridge", curBr.Name) | ||
| return err | ||
| } | ||
| } | ||
| } | ||
| // create bridges, existing bridges will be updated only if the new config doesn't match current config | ||
| for i := range bridgesSpec.OVS { | ||
| desiredBr := bridgesSpec.OVS[i] | ||
| if err := b.ovs.CreateOVSBridge(context.Background(), &desiredBr); err != nil { | ||
| log.Log.Error(err, "ConfigureBridges(): failed to create OVS bridge", "bridge", desiredBr.Name) | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // DetachInterfaceFromManagedBridge detach interface from a managed bridge, | ||
| // this step is required before applying some configurations to PF, e.g. changing of eSwitch mode. | ||
| // The function detach interface from managed bridges only. | ||
| func (b *bridge) DetachInterfaceFromManagedBridge(pciAddr string) error { | ||
| log.Log.V(1).Info("DetachInterfaceFromManagedBridge(): detach interface", "pciAddr", pciAddr) | ||
| if err := b.ovs.RemoveInterfaceFromOVSBridge(context.Background(), pciAddr); err != nil { | ||
| log.Log.Error(err, "DetachInterfaceFromManagedBridge(): failed to detach interface from OVS bridge", "pciAddr", pciAddr) | ||
| return err | ||
| } | ||
| return nil | ||
| } |
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