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Merge pull request #19 from fedepaol/moretests
E2E: add announcement tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| // SPDX-License-Identifier:Apache-2.0 | ||
|
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| package k8s | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
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| "github.com/pkg/errors" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| clientset "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
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| // Nodes returns all nodes in the cluster. | ||
| func Nodes(cs clientset.Interface) ([]corev1.Node, error) { | ||
| nodes, err := cs.CoreV1().Nodes().List(context.Background(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "Failed to fetch frrk8s pods") | ||
| } | ||
| return nodes.Items, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // SPDX-License-Identifier:Apache-2.0 | ||
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| package routes | ||
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| import ( | ||
| "bytes" | ||
| "errors" | ||
| "fmt" | ||
| "net" | ||
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| "go.universe.tf/e2etest/pkg/frr" | ||
| frrcontainer "go.universe.tf/e2etest/pkg/frr/container" | ||
| "go.universe.tf/e2etest/pkg/ipfamily" | ||
| v1 "k8s.io/api/core/v1" | ||
| ) | ||
|
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| // CheckNeighborHasPrefix tells if the given frr container has a route toward the given prefix | ||
| // via the set of node passed to this function. | ||
| func CheckNeighborHasPrefix(neighbor frrcontainer.FRR, prefix string, nodes []v1.Node) (bool, error) { | ||
| routesV4, routesV6, err := frr.Routes(neighbor) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
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| _, cidr, err := net.ParseCIDR(prefix) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
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| route, err := routeForCIDR(cidr, routesV4, routesV6) | ||
| var notFound RouteNotFoundError | ||
| if errors.As(err, ¬Found) { | ||
| return false, nil | ||
| } | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
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| cidrFamily := ipfamily.ForCIDR(cidr) | ||
| err = frr.RoutesMatchNodes(nodes, route, cidrFamily, neighbor.RouterConfig.VRF) | ||
| if err != nil { | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| } | ||
|
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| func cidrsAreEqual(a, b *net.IPNet) bool { | ||
| return a.IP.Equal(b.IP) && bytes.Equal(a.Mask, b.Mask) | ||
| } | ||
|
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| type RouteNotFoundError string | ||
|
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| func (e RouteNotFoundError) Error() string { | ||
| return string(e) | ||
| } | ||
|
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| func routeForCIDR(cidr *net.IPNet, routesV4 map[string]frr.Route, routesV6 map[string]frr.Route) (frr.Route, error) { | ||
| for _, route := range routesV4 { | ||
| if cidrsAreEqual(route.Destination, cidr) { | ||
| return route, nil | ||
| } | ||
| } | ||
| for _, route := range routesV6 { | ||
| if cidrsAreEqual(route.Destination, cidr) { | ||
| return route, nil | ||
| } | ||
| } | ||
| return frr.Route{}, RouteNotFoundError(fmt.Sprintf("route %s not found", cidr)) | ||
| } |
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