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The package contains logic to work with managed OVS bridges. // DiscoverBridges returns information about managed bridges on the host DiscoverBridges() (sriovnetworkv1.Bridges, error) // ConfigureBridge configure managed bridges for the host ConfigureBridges(bridgesSpec sriovnetworkv1.Bridges, bridgesStatus sriovnetworkv1.Bridges) error // 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. DetachInterfaceFromManagedBridge(pciAddr string) error Signed-off-by: Yury Kulazhenkov <[email protected]>
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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" | ||
|
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| 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(1).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 _, desiredBr := range bridgesSpec.OVS { | ||
| desiredBr := desiredBr | ||
| 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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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package bridge | ||
|
|
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| import ( | ||
| "fmt" | ||
|
|
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| "github.com/golang/mock/gomock" | ||
|
|
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| . "github.com/onsi/ginkgo/v2" | ||
| . "github.com/onsi/gomega" | ||
|
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| sriovnetworkv1 "github.com/k8snetworkplumbingwg/sriov-network-operator/api/v1" | ||
| ovsMockPkg "github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/host/internal/bridge/ovs/mock" | ||
| "github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/host/types" | ||
| ) | ||
|
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| var _ = Describe("Bridge", func() { | ||
| var ( | ||
| testCtrl *gomock.Controller | ||
| br types.BridgeInterface | ||
| ovsMock *ovsMockPkg.MockInterface | ||
| testErr = fmt.Errorf("test") | ||
| ) | ||
| BeforeEach(func() { | ||
| testCtrl = gomock.NewController(GinkgoT()) | ||
| ovsMock = ovsMockPkg.NewMockInterface(testCtrl) | ||
| br = &bridge{ovs: ovsMock} | ||
| }) | ||
| AfterEach(func() { | ||
| testCtrl.Finish() | ||
| }) | ||
| Context("DiscoverBridges", func() { | ||
| It("succeed", func() { | ||
| ovsMock.EXPECT().GetOVSBridges(gomock.Any()).Return([]sriovnetworkv1.OVSConfigExt{{Name: "test"}, {Name: "test2"}}, nil) | ||
| ret, err := br.DiscoverBridges() | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| Expect(ret.OVS).To(HaveLen(2)) | ||
| }) | ||
| It("error", func() { | ||
| ovsMock.EXPECT().GetOVSBridges(gomock.Any()).Return(nil, testErr) | ||
| _, err := br.DiscoverBridges() | ||
| Expect(err).To(MatchError(testErr)) | ||
| }) | ||
| }) | ||
|
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| Context("ConfigureBridges", func() { | ||
| It("succeed", func() { | ||
| brCreate1 := sriovnetworkv1.OVSConfigExt{Name: "br-to-create-1"} | ||
| brCreate2 := sriovnetworkv1.OVSConfigExt{Name: "br-to-create-2"} | ||
| brDelete1 := sriovnetworkv1.OVSConfigExt{Name: "br-to-delete-1"} | ||
| brDelete2 := sriovnetworkv1.OVSConfigExt{Name: "br-to-delete-2"} | ||
|
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| ovsMock.EXPECT().RemoveOVSBridge(gomock.Any(), brDelete1.Name).Return(nil) | ||
| ovsMock.EXPECT().RemoveOVSBridge(gomock.Any(), brDelete2.Name).Return(nil) | ||
| ovsMock.EXPECT().CreateOVSBridge(gomock.Any(), &brCreate1).Return(nil) | ||
| ovsMock.EXPECT().CreateOVSBridge(gomock.Any(), &brCreate2).Return(nil) | ||
| err := br.ConfigureBridges( | ||
| sriovnetworkv1.Bridges{OVS: []sriovnetworkv1.OVSConfigExt{brCreate1, brCreate2}}, | ||
| sriovnetworkv1.Bridges{OVS: []sriovnetworkv1.OVSConfigExt{brCreate1, brDelete1, brDelete2}}) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| }) | ||
| It("empty spec and status", func() { | ||
| err := br.ConfigureBridges( | ||
| sriovnetworkv1.Bridges{OVS: []sriovnetworkv1.OVSConfigExt{}}, | ||
| sriovnetworkv1.Bridges{OVS: []sriovnetworkv1.OVSConfigExt{}}) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| }) | ||
| It("failed on creation", func() { | ||
| brCreate1 := sriovnetworkv1.OVSConfigExt{Name: "br-to-create-1"} | ||
| ovsMock.EXPECT().CreateOVSBridge(gomock.Any(), &brCreate1).Return(testErr) | ||
| err := br.ConfigureBridges( | ||
| sriovnetworkv1.Bridges{OVS: []sriovnetworkv1.OVSConfigExt{brCreate1}}, | ||
| sriovnetworkv1.Bridges{OVS: []sriovnetworkv1.OVSConfigExt{}}) | ||
| Expect(err).To(MatchError(testErr)) | ||
| }) | ||
| It("failed on removal", func() { | ||
| brDelete1 := sriovnetworkv1.OVSConfigExt{Name: "br-to-delete-1"} | ||
| ovsMock.EXPECT().RemoveOVSBridge(gomock.Any(), brDelete1.Name).Return(testErr) | ||
| err := br.ConfigureBridges( | ||
| sriovnetworkv1.Bridges{OVS: []sriovnetworkv1.OVSConfigExt{}}, | ||
| sriovnetworkv1.Bridges{OVS: []sriovnetworkv1.OVSConfigExt{brDelete1}}) | ||
| Expect(err).To(MatchError(testErr)) | ||
| }) | ||
| }) | ||
|
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| Context("DetachInterfaceFromManagedBridge", func() { | ||
| It("succeed", func() { | ||
| ovsMock.EXPECT().RemoveInterfaceFromOVSBridge(gomock.Any(), "0000:d8:00.0").Return(nil) | ||
| err := br.DetachInterfaceFromManagedBridge("0000:d8:00.0") | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| }) | ||
| It("error", func() { | ||
| ovsMock.EXPECT().RemoveInterfaceFromOVSBridge(gomock.Any(), "0000:d8:00.0").Return(testErr) | ||
| err := br.DetachInterfaceFromManagedBridge("0000:d8:00.0") | ||
| Expect(err).To(MatchError(testErr)) | ||
| }) | ||
| }) | ||
| }) |
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