|
| 1 | +package topology |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| 6 | + "testing" |
| 7 | + |
| 8 | + "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" |
| 9 | + "k8s.io/apimachinery/pkg/runtime/schema" |
| 10 | +) |
| 11 | + |
| 12 | +type issuerTestProvider struct { |
| 13 | + monitorDynamicProvider |
| 14 | + getCalls int |
| 15 | + listCalls map[string]int |
| 16 | + listError error |
| 17 | +} |
| 18 | + |
| 19 | +func (p *issuerTestProvider) Get(schema.GroupVersionResource, string, string) (*unstructured.Unstructured, error) { |
| 20 | + p.getCalls++ |
| 21 | + return nil, fmt.Errorf("unexpected object fetch") |
| 22 | +} |
| 23 | + |
| 24 | +func (p *issuerTestProvider) ListNamespaces(gvr schema.GroupVersionResource, namespaces []string) ([]*unstructured.Unstructured, error) { |
| 25 | + p.listCalls[gvr.Resource]++ |
| 26 | + if p.listError != nil { |
| 27 | + return nil, p.listError |
| 28 | + } |
| 29 | + return p.monitorDynamicProvider.ListNamespaces(gvr, namespaces) |
| 30 | +} |
| 31 | + |
| 32 | +func TestCertificateIssuerEdgesDefaultsScopeAndCachedResolution(t *testing.T) { |
| 33 | + issuerGVR := schema.GroupVersionResource{Group: "cert-manager.io", Version: "v1", Resource: "issuers"} |
| 34 | + clusterGVR := schema.GroupVersionResource{Group: "cert-manager.io", Version: "v1", Resource: "clusterissuers"} |
| 35 | + makeIssuer := func(kind, namespace, name string) *unstructured.Unstructured { |
| 36 | + return &unstructured.Unstructured{Object: map[string]any{"apiVersion": "cert-manager.io/v1", "kind": kind, "metadata": map[string]any{"namespace": namespace, "name": name}}} |
| 37 | + } |
| 38 | + p := &issuerTestProvider{monitorDynamicProvider: monitorDynamicProvider{ |
| 39 | + gvrs: map[string]schema.GroupVersionResource{"Issuer": issuerGVR, "ClusterIssuer": clusterGVR}, |
| 40 | + resources: map[schema.GroupVersionResource][]*unstructured.Unstructured{ |
| 41 | + issuerGVR: {makeIssuer("Issuer", "team", "ca"), makeIssuer("Issuer", "other", "ca"), makeIssuer("Issuer", "team", "unused")}, |
| 42 | + clusterGVR: {makeIssuer("ClusterIssuer", "", "ca")}, |
| 43 | + }}, listCalls: map[string]int{}} |
| 44 | + var certs []unstructured.Unstructured |
| 45 | + var nodes []Node |
| 46 | + for i, issuerRef := range []map[string]any{ |
| 47 | + {"name": "ca"}, |
| 48 | + {"name": "ca", "kind": "ClusterIssuer"}, |
| 49 | + {"name": "ca", "kind": "Issuer", "group": "external.example.com"}, |
| 50 | + {"name": "absent"}, |
| 51 | + {"name": "ca"}, |
| 52 | + } { |
| 53 | + name := fmt.Sprintf("cert-%d", i) |
| 54 | + certs = append(certs, unstructured.Unstructured{Object: map[string]any{"apiVersion": "cert-manager.io/v1", "kind": "Certificate", "metadata": map[string]any{"namespace": "team", "name": name}, "spec": map[string]any{"issuerRef": issuerRef}}}) |
| 55 | + nodes = append(nodes, Node{ID: "certificate/team/" + name, Kind: KindCertificate, Name: name, Data: map[string]any{"namespace": "team", "apiVersion": "cert-manager.io/v1"}}) |
| 56 | + } |
| 57 | + opts := DefaultBuildOptions() |
| 58 | + opts.Namespaces = []string{"team"} |
| 59 | + nodes, edges, warnings := addCertificateIssuerEdges(nodes, nil, certs, p, opts) |
| 60 | + if len(warnings) != 0 || len(nodes) != 7 || len(edges) != 3 { |
| 61 | + t.Fatalf("nodes=%d edges=%+v warnings=%v; want two referenced issuers and three joins", len(nodes), edges, warnings) |
| 62 | + } |
| 63 | + if p.getCalls != 0 || p.listCalls["issuers"] != 1 || p.listCalls["clusterissuers"] != 1 { |
| 64 | + t.Fatalf("lookup fan-out: gets=%d lists=%v", p.getCalls, p.listCalls) |
| 65 | + } |
| 66 | + topo := &Topology{Nodes: nodes, Edges: edges} |
| 67 | + rel := GetRelationships("Certificate", "team", "cert-0", topo, nil, p) |
| 68 | + if rel == nil || len(rel.Dependencies) != 1 || rel.Dependencies[0] != (ResourceRef{Kind: "Issuer", Group: "cert-manager.io", Namespace: "team", Name: "ca"}) || rel.ScaleTarget != nil { |
| 69 | + t.Fatalf("default issuer relationship = %+v", rel) |
| 70 | + } |
| 71 | + if tuples := topo.ClusterScopedDynamicRBACTuples(); len(tuples) != 1 || tuples[0].Group != "cert-manager.io" || tuples[0].Resource != "clusterissuers" { |
| 72 | + t.Fatalf("cluster issuer authorization tuples = %+v", tuples) |
| 73 | + } |
| 74 | + topo.StripClusterScopedDynamicExcept(nil) |
| 75 | + if len(topo.Nodes) != 6 || len(topo.Edges) != 2 { |
| 76 | + t.Fatalf("denied cluster issuer retained: nodes=%d edges=%d", len(topo.Nodes), len(topo.Edges)) |
| 77 | + } |
| 78 | +} |
| 79 | + |
| 80 | +func TestCertificateIssuerEdgesReportsUnavailableLookup(t *testing.T) { |
| 81 | + p := &issuerTestProvider{monitorDynamicProvider: monitorDynamicProvider{ |
| 82 | + gvrs: map[string]schema.GroupVersionResource{ |
| 83 | + "Issuer": {Group: "cert-manager.io", Version: "v1", Resource: "issuers"}, |
| 84 | + "ClusterIssuer": {Group: "cert-manager.io", Version: "v1", Resource: "clusterissuers"}, |
| 85 | + }, |
| 86 | + }, listCalls: map[string]int{}, listError: fmt.Errorf("cache unavailable")} |
| 87 | + cert := unstructured.Unstructured{Object: map[string]any{ |
| 88 | + "apiVersion": "cert-manager.io/v1", "kind": "Certificate", |
| 89 | + "metadata": map[string]any{"name": "tls", "namespace": "team"}, |
| 90 | + "spec": map[string]any{"issuerRef": map[string]any{"name": "ca"}}, |
| 91 | + }} |
| 92 | + nodes, edges, warnings := addCertificateIssuerEdges([]Node{{ID: "certificate/team/tls", Kind: KindCertificate, Name: "tls", Data: map[string]any{"apiVersion": "cert-manager.io/v1"}}}, nil, []unstructured.Unstructured{cert}, p, DefaultBuildOptions()) |
| 93 | + if len(nodes) != 1 || len(edges) != 0 || len(warnings) != 2 || p.getCalls != 0 { |
| 94 | + t.Fatalf("unavailable lookup: nodes=%d edges=%d warnings=%v gets=%d", len(nodes), len(edges), warnings, p.getCalls) |
| 95 | + } |
| 96 | +} |
| 97 | + |
| 98 | +func TestReferencedIssuerRetainsGenericOwnerWithoutDuplicateNodesOrEdges(t *testing.T) { |
| 99 | + issuerGVR := schema.GroupVersionResource{Group: "cert-manager.io", Version: "v1", Resource: "issuers"} |
| 100 | + issuer := genericIdentityObject(issuerGVR, "Issuer", "team", "ca", metav1.OwnerReference{APIVersion: "apps/v1", Kind: "Deployment", Name: "operator"}) |
| 101 | + p := &genericIdentityDynamic{watched: []schema.GroupVersionResource{issuerGVR}, kinds: map[schema.GroupVersionResource]string{issuerGVR: "Issuer"}, resources: map[schema.GroupVersionResource][]*unstructured.Unstructured{issuerGVR: {issuer}}, listCalls: map[schema.GroupVersionResource]int{}} |
| 102 | + cert := genericIdentityObject(schema.GroupVersionResource{Group: "cert-manager.io", Version: "v1"}, "Certificate", "team", "tls") |
| 103 | + cert.Object["spec"] = map[string]any{"issuerRef": map[string]any{"name": "ca"}} |
| 104 | + nodes := []Node{ |
| 105 | + {ID: "certificate/team/tls", Kind: KindCertificate, Name: "tls", Data: map[string]any{"namespace": "team", "apiVersion": "cert-manager.io/v1"}}, |
| 106 | + {ID: "deployment/team/operator", Kind: KindDeployment, Name: "operator", Data: map[string]any{"namespace": "team"}}, |
| 107 | + } |
| 108 | + nodes, edges, warnings := addCertificateIssuerEdges(nodes, nil, []unstructured.Unstructured{*cert}, p, DefaultBuildOptions()) |
| 109 | + if len(warnings) != 0 { |
| 110 | + t.Fatal(warnings) |
| 111 | + } |
| 112 | + builder := &Builder{dynamic: p} |
| 113 | + for i := 0; i < 2; i++ { |
| 114 | + nodes, edges = builder.addGenericCRDNodes(nodes, edges, DefaultBuildOptions()) |
| 115 | + if len(nodes) != 3 || len(edges) != 2 { |
| 116 | + t.Fatalf("generic pass %d nodes=%d edges=%+v, want seeded issuer and unique dependency/owner", i, len(nodes), edges) |
| 117 | + } |
| 118 | + } |
| 119 | + rel := GetRelationshipsWithObject("Issuer", "team", "ca", issuer, &Topology{Nodes: nodes, Edges: edges}, nil, p, nil) |
| 120 | + if rel == nil || rel.Owner == nil || rel.Owner.Kind != "Deployment" || rel.Owner.Name != "operator" || len(rel.Dependents) != 1 { |
| 121 | + t.Fatalf("referenced issuer owner/dependent = %+v", rel) |
| 122 | + } |
| 123 | +} |
0 commit comments