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Enrich the unit tests for azure_routes
This commit is contained in:
v-xuxin
parent
4de511a4cf
commit
d658e1059d
@ -21,6 +21,7 @@ package azure
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import (
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"context"
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"fmt"
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"net/http"
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"reflect"
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"testing"
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"time"
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@ -35,6 +36,7 @@ import (
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cloudprovider "k8s.io/cloud-provider"
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"k8s.io/legacy-cloud-providers/azure/clients/routetableclient/mockroutetableclient"
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"k8s.io/legacy-cloud-providers/azure/mockvmsets"
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"k8s.io/legacy-cloud-providers/azure/retry"
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)
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func TestDeleteRoute(t *testing.T) {
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@ -131,68 +133,179 @@ func TestCreateRoute(t *testing.T) {
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cloud.routeUpdater = newDelayedRouteUpdater(cloud, 100*time.Millisecond)
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go cloud.routeUpdater.run()
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currentTable := network.RouteTable{
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Name: &cloud.RouteTableName,
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Location: &cloud.Location,
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RouteTablePropertiesFormat: &network.RouteTablePropertiesFormat{},
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route := cloudprovider.Route{TargetNode: "node", DestinationCIDR: "1.2.3.4/24"}
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nodePrivateIP := "2.4.6.8"
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networkRoute := &[]network.Route{
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{
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Name: to.StringPtr("node"),
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RoutePropertiesFormat: &network.RoutePropertiesFormat{
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AddressPrefix: to.StringPtr("1.2.3.4/24"),
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NextHopIPAddress: &nodePrivateIP,
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NextHopType: network.RouteNextHopTypeVirtualAppliance,
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},
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},
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}
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updatedTable := network.RouteTable{
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Name: &cloud.RouteTableName,
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Location: &cloud.Location,
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RouteTablePropertiesFormat: &network.RouteTablePropertiesFormat{
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Routes: &[]network.Route{
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testCases := []struct {
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name string
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routeTableName string
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initialRoute *[]network.Route
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updatedRoute *[]network.Route
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hasUnmangedNodes bool
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nodeInformerNotSynced bool
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ipv6DualStackEnabled bool
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routeTableNotExist bool
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unmanagedNodeName string
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routeCIDRs map[string]string
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expectedRouteCIDRs map[string]string
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getIPError error
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getErr *retry.Error
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secondGetErr *retry.Error
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createOrUpdateErr *retry.Error
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expectedErrMsg error
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}{
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{
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name: "CreateRoute should create route if route doesn't exist",
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routeTableName: "rt1",
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updatedRoute: networkRoute,
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},
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{
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name: "CreateRoute should report error if error occurs when invoke CreateOrUpdateRouteTable",
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routeTableName: "rt2",
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updatedRoute: networkRoute,
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createOrUpdateErr: &retry.Error{
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HTTPStatusCode: http.StatusInternalServerError,
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RawError: fmt.Errorf("CreateOrUpdate error"),
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},
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expectedErrMsg: fmt.Errorf("Retriable: false, RetryAfter: 0s, HTTPStatusCode: 500, RawError: CreateOrUpdate error"),
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},
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{
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name: "CreateRoute should do nothing if route already exists",
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routeTableName: "rt3",
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initialRoute: networkRoute,
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updatedRoute: networkRoute,
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},
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{
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name: "CreateRoute should report error if error occurs when invoke createRouteTable",
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routeTableName: "rt4",
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getErr: &retry.Error{
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HTTPStatusCode: http.StatusNotFound,
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RawError: cloudprovider.InstanceNotFound,
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},
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createOrUpdateErr: &retry.Error{
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HTTPStatusCode: http.StatusInternalServerError,
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RawError: fmt.Errorf("CreateOrUpdate error"),
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},
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expectedErrMsg: fmt.Errorf("Retriable: false, RetryAfter: 0s, HTTPStatusCode: 500, RawError: CreateOrUpdate error"),
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},
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{
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name: "CreateRoute should report error if error occurs when invoke getRouteTable for the second time",
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routeTableName: "rt5",
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getErr: &retry.Error{
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HTTPStatusCode: http.StatusNotFound,
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RawError: cloudprovider.InstanceNotFound,
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},
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secondGetErr: &retry.Error{
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HTTPStatusCode: http.StatusInternalServerError,
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RawError: fmt.Errorf("Get error"),
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},
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expectedErrMsg: fmt.Errorf("Retriable: false, RetryAfter: 0s, HTTPStatusCode: 500, RawError: Get error"),
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},
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{
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name: "CreateRoute should report error if error occurs when invoke routeTableClient.Get",
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routeTableName: "rt6",
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getErr: &retry.Error{
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HTTPStatusCode: http.StatusInternalServerError,
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RawError: fmt.Errorf("Get error"),
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},
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expectedErrMsg: fmt.Errorf("Retriable: false, RetryAfter: 0s, HTTPStatusCode: 500, RawError: Get error"),
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},
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{
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name: "CreateRoute should report error if error occurs when invoke GetIPByNodeName",
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routeTableName: "rt7",
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getIPError: fmt.Errorf("getIP error"),
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expectedErrMsg: fmt.Errorf("timed out waiting for the condition"),
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},
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{
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name: "CreateRoute should add route to cloud.RouteCIDRs if node is unmanaged",
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routeTableName: "rt8",
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hasUnmangedNodes: true,
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unmanagedNodeName: "node",
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routeCIDRs: map[string]string{},
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expectedRouteCIDRs: map[string]string{"node": "1.2.3.4/24"},
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},
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{
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name: "CreateRoute should report error if node is unmanaged and cloud.ipv6DualStackEnabled is true",
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hasUnmangedNodes: true,
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ipv6DualStackEnabled: true,
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unmanagedNodeName: "node",
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expectedErrMsg: fmt.Errorf("unmanaged nodes are not supported in dual stack mode"),
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},
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{
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name: "CreateRoute should create route if cloud.ipv6DualStackEnabled is true and route doesn't exist",
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routeTableName: "rt9",
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updatedRoute: &[]network.Route{
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{
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Name: to.StringPtr("node"),
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Name: to.StringPtr("node____123424"),
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RoutePropertiesFormat: &network.RoutePropertiesFormat{
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AddressPrefix: to.StringPtr("1.2.3.4/24"),
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NextHopIPAddress: to.StringPtr("2.4.6.8"),
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NextHopIPAddress: &nodePrivateIP,
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NextHopType: network.RouteNextHopTypeVirtualAppliance,
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},
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},
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},
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ipv6DualStackEnabled: true,
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},
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{
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name: "CreateRoute should report error if node informer is not synced",
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nodeInformerNotSynced: true,
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expectedErrMsg: fmt.Errorf("node informer is not synced when trying to GetUnmanagedNodes"),
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},
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}
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route := cloudprovider.Route{TargetNode: "node", DestinationCIDR: "1.2.3.4/24"}
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nodeIP := "2.4.6.8"
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routeTableClient.EXPECT().Get(gomock.Any(), cloud.RouteTableResourceGroup, cloud.RouteTableName, "").Return(currentTable, nil)
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routeTableClient.EXPECT().CreateOrUpdate(gomock.Any(), cloud.RouteTableResourceGroup, cloud.RouteTableName, updatedTable, "").Return(nil)
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mockVMSet.EXPECT().GetIPByNodeName("node").Return(nodeIP, "", nil).AnyTimes()
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err := cloud.CreateRoute(context.TODO(), "cluster", "unused", &route)
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if err != nil {
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t.Errorf("unexpected error create if not exists route table: %v", err)
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t.FailNow()
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}
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for _, test := range testCases {
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initialTable := network.RouteTable{
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Name: to.StringPtr(test.routeTableName),
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Location: &cloud.Location,
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RouteTablePropertiesFormat: &network.RouteTablePropertiesFormat{
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Routes: test.initialRoute,
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},
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}
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updatedTable := network.RouteTable{
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Name: to.StringPtr(test.routeTableName),
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Location: &cloud.Location,
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RouteTablePropertiesFormat: &network.RouteTablePropertiesFormat{
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Routes: test.updatedRoute,
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},
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}
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// test create again without real creation.
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routeTableClient.EXPECT().Get(gomock.Any(), cloud.RouteTableResourceGroup, cloud.RouteTableName, "").Return(updatedTable, nil).Times(1)
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err = cloud.CreateRoute(context.TODO(), "cluster", "unused", &route)
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if err != nil {
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t.Errorf("unexpected error creating route: %v", err)
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t.FailNow()
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}
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cloud.RouteTableName = test.routeTableName
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cloud.ipv6DualStackEnabled = test.ipv6DualStackEnabled
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if test.hasUnmangedNodes {
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cloud.unmanagedNodes.Insert(test.unmanagedNodeName)
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cloud.routeCIDRs = test.routeCIDRs
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} else {
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cloud.unmanagedNodes = sets.NewString()
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cloud.routeCIDRs = nil
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}
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if test.nodeInformerNotSynced {
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cloud.nodeInformerSynced = func() bool { return false }
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} else {
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cloud.nodeInformerSynced = func() bool { return true }
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}
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// test create route for unmanaged nodes.
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nodeName := "node1"
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nodeCIDR := "4.3.2.1/24"
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cloud.unmanagedNodes.Insert(nodeName)
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cloud.routeCIDRs = map[string]string{}
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route1 := cloudprovider.Route{
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TargetNode: mapRouteNameToNodeName(false, nodeName),
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DestinationCIDR: nodeCIDR,
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}
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err = cloud.CreateRoute(context.TODO(), "cluster", "unused", &route1)
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if err != nil {
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t.Errorf("unexpected error creating route: %v", err)
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t.FailNow()
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}
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cidr, found := cloud.routeCIDRs[nodeName]
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if !found {
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t.Errorf("unexpected missing item for %s", nodeName)
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t.FailNow()
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}
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if cidr != nodeCIDR {
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t.Errorf("unexpected cidr %s, saw %s", nodeCIDR, cidr)
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mockVMSet.EXPECT().GetIPByNodeName(gomock.Any()).Return(nodePrivateIP, "", test.getIPError).MaxTimes(1)
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mockVMSet.EXPECT().GetPrivateIPsByNodeName("node").Return([]string{nodePrivateIP, "10.10.10.10"}, nil).MaxTimes(1)
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routeTableClient.EXPECT().Get(gomock.Any(), cloud.RouteTableResourceGroup, cloud.RouteTableName, "").Return(initialTable, test.getErr).MaxTimes(1)
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routeTableClient.EXPECT().CreateOrUpdate(gomock.Any(), cloud.RouteTableResourceGroup, cloud.RouteTableName, updatedTable, "").Return(test.createOrUpdateErr).MaxTimes(1)
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//Here is the second invocation when route table doesn't exist
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routeTableClient.EXPECT().Get(gomock.Any(), cloud.RouteTableResourceGroup, cloud.RouteTableName, "").Return(initialTable, test.secondGetErr).MaxTimes(1)
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err := cloud.CreateRoute(context.TODO(), "cluster", "unused", &route)
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assert.Equal(t, cloud.routeCIDRs, test.expectedRouteCIDRs, test.name)
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assert.Equal(t, test.expectedErrMsg, err, test.name)
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}
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}
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@ -342,39 +455,210 @@ func TestProcessRoutes(t *testing.T) {
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}
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}
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func errorNotNil(t *testing.T, err error) {
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if nil != err {
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t.Errorf("%s: failure error: %v", t.Name(), err)
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}
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}
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func TestFindFirstIPByFamily(t *testing.T) {
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firstIPv4 := "10.0.0.1"
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firstIPv6 := "2001:1234:5678:9abc::9"
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ips := []string{
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testIPs := []string{
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firstIPv4,
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"11.0.0.1",
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firstIPv6,
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"fda4:6dee:effc:62a0:0:0:0:0",
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}
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outIPV4, err := findFirstIPByFamily(ips, false)
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errorNotNil(t, err)
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assert.Equal(t, outIPV4, firstIPv4)
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outIPv6, err := findFirstIPByFamily(ips, true)
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errorNotNil(t, err)
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assert.Equal(t, outIPv6, firstIPv6)
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testCases := []struct {
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ipv6 bool
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ips []string
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expectedIP string
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expectedErrMsg error
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}{
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{
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ipv6: true,
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ips: testIPs,
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expectedIP: firstIPv6,
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},
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{
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ipv6: false,
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ips: testIPs,
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expectedIP: firstIPv4,
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},
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{
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ipv6: true,
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ips: []string{"10.0.0.1"},
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expectedErrMsg: fmt.Errorf("no match found matching the ipfamily requested"),
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},
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}
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for _, test := range testCases {
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ip, err := findFirstIPByFamily(test.ips, test.ipv6)
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assert.Equal(t, test.expectedErrMsg, err)
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assert.Equal(t, test.expectedIP, ip)
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}
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}
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func TestRouteNameFuncs(t *testing.T) {
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v4CIDR := "10.0.0.1/16"
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v6CIDR := "fd3e:5f02:6ec0:30ba::/64"
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nodeName := "thisNode"
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testCases := []struct {
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ipv6DualStackEnabled bool
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}{
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{
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ipv6DualStackEnabled: true,
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},
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{
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ipv6DualStackEnabled: false,
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},
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}
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for _, test := range testCases {
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routeName := mapNodeNameToRouteName(test.ipv6DualStackEnabled, types.NodeName(nodeName), v4CIDR)
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outNodeName := mapRouteNameToNodeName(test.ipv6DualStackEnabled, routeName)
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assert.Equal(t, string(outNodeName), nodeName)
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routeName := mapNodeNameToRouteName(false, types.NodeName(nodeName), v4CIDR)
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outNodeName := mapRouteNameToNodeName(false, routeName)
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assert.Equal(t, string(outNodeName), nodeName)
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routeName = mapNodeNameToRouteName(false, types.NodeName(nodeName), v6CIDR)
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outNodeName = mapRouteNameToNodeName(false, routeName)
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assert.Equal(t, string(outNodeName), nodeName)
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routeName = mapNodeNameToRouteName(test.ipv6DualStackEnabled, types.NodeName(nodeName), v6CIDR)
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outNodeName = mapRouteNameToNodeName(test.ipv6DualStackEnabled, routeName)
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assert.Equal(t, string(outNodeName), nodeName)
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}
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}
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func TestListRoutes(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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routeTableClient := mockroutetableclient.NewMockInterface(ctrl)
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mockVMSet := mockvmsets.NewMockVMSet(ctrl)
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cloud := &Cloud{
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RouteTablesClient: routeTableClient,
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vmSet: mockVMSet,
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Config: Config{
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RouteTableResourceGroup: "foo",
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RouteTableName: "bar",
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Location: "location",
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},
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unmanagedNodes: sets.NewString(),
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nodeInformerSynced: func() bool { return true },
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}
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cache, _ := cloud.newRouteTableCache()
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cloud.rtCache = cache
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cloud.routeUpdater = newDelayedRouteUpdater(cloud, 100*time.Millisecond)
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go cloud.routeUpdater.run()
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testCases := []struct {
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name string
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routeTableName string
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routeTable network.RouteTable
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hasUnmangedNodes bool
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nodeInformerNotSynced bool
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unmanagedNodeName string
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routeCIDRs map[string]string
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expectedRoutes []*cloudprovider.Route
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getErr *retry.Error
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expectedErrMsg error
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}{
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{
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name: "ListRoutes should return correct routes",
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routeTableName: "rt1",
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routeTable: network.RouteTable{
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Name: to.StringPtr("rt1"),
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Location: &cloud.Location,
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RouteTablePropertiesFormat: &network.RouteTablePropertiesFormat{
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Routes: &[]network.Route{
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{
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Name: to.StringPtr("node"),
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RoutePropertiesFormat: &network.RoutePropertiesFormat{
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AddressPrefix: to.StringPtr("1.2.3.4/24"),
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},
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},
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},
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},
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},
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expectedRoutes: []*cloudprovider.Route{
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{
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Name: "node",
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TargetNode: mapRouteNameToNodeName(false, "node"),
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DestinationCIDR: "1.2.3.4/24",
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},
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},
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},
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{
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name: "ListRoutes should return correct routes if there's unmanaged nodes",
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routeTableName: "rt2",
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hasUnmangedNodes: true,
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unmanagedNodeName: "umanaged-node",
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routeCIDRs: map[string]string{"umanaged-node": "2.2.3.4/24"},
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routeTable: network.RouteTable{
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Name: to.StringPtr("rt2"),
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Location: &cloud.Location,
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RouteTablePropertiesFormat: &network.RouteTablePropertiesFormat{
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Routes: &[]network.Route{
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{
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Name: to.StringPtr("node"),
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RoutePropertiesFormat: &network.RoutePropertiesFormat{
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AddressPrefix: to.StringPtr("1.2.3.4/24"),
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},
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},
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},
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},
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},
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expectedRoutes: []*cloudprovider.Route{
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{
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Name: "node",
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TargetNode: mapRouteNameToNodeName(false, "node"),
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DestinationCIDR: "1.2.3.4/24",
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},
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{
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Name: "umanaged-node",
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TargetNode: mapRouteNameToNodeName(false, "umanaged-node"),
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DestinationCIDR: "2.2.3.4/24",
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},
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},
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},
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{
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name: "ListRoutes should return nil if routeTabel don't exist",
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routeTableName: "rt3",
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routeTable: network.RouteTable{},
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getErr: &retry.Error{
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HTTPStatusCode: http.StatusNotFound,
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RawError: cloudprovider.InstanceNotFound,
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},
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expectedRoutes: []*cloudprovider.Route{},
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},
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{
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name: "ListRoutes should report error if error occurs when invoke routeTableClient.Get",
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routeTableName: "rt4",
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routeTable: network.RouteTable{},
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getErr: &retry.Error{
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HTTPStatusCode: http.StatusInternalServerError,
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RawError: fmt.Errorf("Get error"),
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},
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expectedErrMsg: fmt.Errorf("Retriable: false, RetryAfter: 0s, HTTPStatusCode: 500, RawError: Get error"),
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},
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{
|
||||
name: "ListRoutes should report error if node informer is not synced",
|
||||
routeTableName: "rt5",
|
||||
nodeInformerNotSynced: true,
|
||||
routeTable: network.RouteTable{},
|
||||
expectedErrMsg: fmt.Errorf("node informer is not synced when trying to GetUnmanagedNodes"),
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range testCases {
|
||||
if test.hasUnmangedNodes {
|
||||
cloud.unmanagedNodes.Insert(test.unmanagedNodeName)
|
||||
cloud.routeCIDRs = test.routeCIDRs
|
||||
} else {
|
||||
cloud.unmanagedNodes = sets.NewString()
|
||||
cloud.routeCIDRs = nil
|
||||
}
|
||||
|
||||
if test.nodeInformerNotSynced {
|
||||
cloud.nodeInformerSynced = func() bool { return false }
|
||||
} else {
|
||||
cloud.nodeInformerSynced = func() bool { return true }
|
||||
}
|
||||
|
||||
cloud.RouteTableName = test.routeTableName
|
||||
routeTableClient.EXPECT().Get(gomock.Any(), cloud.RouteTableResourceGroup, test.routeTableName, "").Return(test.routeTable, test.getErr)
|
||||
|
||||
routes, err := cloud.ListRoutes(context.TODO(), "cluster")
|
||||
assert.Equal(t, test.expectedRoutes, routes, test.name)
|
||||
assert.Equal(t, test.expectedErrMsg, err, test.name)
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user