catalog: add FailoverPolicy ACL hook tenancy test (#19179)

internal/catalog/internal/types/failover_policy_test.go

@@ -4,12 +4,14 @@
 package types
 
 import (
-	"strings"
+	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 	"google.golang.org/protobuf/proto"
 
+	"github.com/hashicorp/consul/acl"
+	"github.com/hashicorp/consul/agent/structs"
 	"github.com/hashicorp/consul/internal/resource"
 	"github.com/hashicorp/consul/internal/resource/resourcetest"
 	pbcatalog "github.com/hashicorp/consul/proto-public/pbcatalog/v2beta1"
@@ -138,7 +140,7 @@ func TestMutateFailoverPolicy(t *testing.T) {
 			},
 		},
 		"dest ref tenancy defaulting": {
-			policyTenancy: newTestTenancy("foo.bar"),
+			policyTenancy: resourcetest.Tenancy("foo.bar"),
 			failover: &pbcatalog.FailoverPolicy{
 				Config: &pbcatalog.FailoverConfig{
 					Mode:    pbcatalog.FailoverMode_FAILOVER_MODE_SEQUENTIAL,
@@ -683,54 +685,149 @@ func TestFailoverPolicyACLs(t *testing.T) {
 	registry := resource.NewRegistry()
 	Register(registry)
 
-	failoverData := &pbcatalog.FailoverPolicy{
-		Config: &pbcatalog.FailoverConfig{
-			Destinations: []*pbcatalog.FailoverDestination{
-				{Ref: newRef(pbcatalog.ServiceType, "api-backup")},
-			},
-		},
+	newFailover := func(t *testing.T, name, tenancyStr string, destRefs []*pbresource.Reference) []*pbresource.Resource {
+		var dr []*pbcatalog.FailoverDestination
+		for _, destRef := range destRefs {
+			dr = append(dr, &pbcatalog.FailoverDestination{Ref: destRef})
+		}
+
+		res1 := resourcetest.Resource(pbcatalog.FailoverPolicyType, name).
+			WithTenancy(resourcetest.Tenancy(tenancyStr)).
+			WithData(t, &pbcatalog.FailoverPolicy{
+				Config: &pbcatalog.FailoverConfig{Destinations: dr},
+			}).
+			Build()
+		resourcetest.ValidateAndNormalize(t, registry, res1)
+
+		res2 := resourcetest.Resource(pbcatalog.FailoverPolicyType, name).
+			WithTenancy(resourcetest.Tenancy(tenancyStr)).
+			WithData(t, &pbcatalog.FailoverPolicy{
+				PortConfigs: map[string]*pbcatalog.FailoverConfig{
+					"http": {Destinations: dr},
+				},
+			}).
+			Build()
+		resourcetest.ValidateAndNormalize(t, registry, res2)
+
+		return []*pbresource.Resource{res1, res2}
 	}
 
-	cases := map[string]resourcetest.ACLTestCase{
-		"no rules": {
-			Rules:   ``,
-			Data:    failoverData,
-			Typ:     pbcatalog.FailoverPolicyType,
-			ReadOK:  resourcetest.DENY,
-			WriteOK: resourcetest.DENY,
-			ListOK:  resourcetest.DEFAULT,
-		},
-		"service test read": {
-			Rules:   `service "test" { policy = "read" }`,
-			Data:    failoverData,
-			Typ:     pbcatalog.FailoverPolicyType,
-			ReadOK:  resourcetest.ALLOW,
-			WriteOK: resourcetest.DENY,
-			ListOK:  resourcetest.DEFAULT,
-		},
-		"service test write": {
-			Rules:   `service "test" { policy = "write" }`,
-			Data:    failoverData,
-			Typ:     pbcatalog.FailoverPolicyType,
-			ReadOK:  resourcetest.ALLOW,
-			WriteOK: resourcetest.DENY,
-			ListOK:  resourcetest.DEFAULT,
-		},
-		"service test write and api-backup read": {
-			Rules:   `service "test" { policy = "write" } service "api-backup" { policy = "read" }`,
-			Data:    failoverData,
-			Typ:     pbcatalog.FailoverPolicyType,
-			ReadOK:  resourcetest.ALLOW,
-			WriteOK: resourcetest.ALLOW,
-			ListOK:  resourcetest.DEFAULT,
-		},
+	type testcase struct {
+		res     *pbresource.Resource
+		rules   string
+		check   func(t *testing.T, authz acl.Authorizer, res *pbresource.Resource)
+		readOK  string
+		writeOK string
 	}
 
-	for name, tc := range cases {
+	const (
+		DENY    = resourcetest.DENY
+		ALLOW   = resourcetest.ALLOW
+		DEFAULT = resourcetest.DEFAULT
+	)
+
+	serviceRef := func(tenancy, name string) *pbresource.Reference {
+		return newRefWithTenancy(pbcatalog.ServiceType, tenancy, name)
+	}
+
+	resOneDest := func(tenancy, destTenancy string) []*pbresource.Resource {
+		return newFailover(t, "api", tenancy, []*pbresource.Reference{
+			serviceRef(destTenancy, "dest1"),
+		})
+	}
+
+	resTwoDests := func(tenancy, destTenancy string) []*pbresource.Resource {
+		return newFailover(t, "api", tenancy, []*pbresource.Reference{
+			serviceRef(destTenancy, "dest1"),
+			serviceRef(destTenancy, "dest2"),
+		})
+	}
+
+	run := func(t *testing.T, name string, tc resourcetest.ACLTestCase) {
 		t.Run(name, func(t *testing.T) {
 			resourcetest.RunACLTestCase(t, tc, registry)
 		})
 	}
+
+	isEnterprise := (structs.NodeEnterpriseMetaInDefaultPartition().PartitionOrEmpty() == "default")
+
+	serviceRead := func(partition, namespace, name string) string {
+		if isEnterprise {
+			return fmt.Sprintf(` partition %q { namespace %q { service %q { policy = "read" } } }`, partition, namespace, name)
+		}
+		return fmt.Sprintf(` service %q { policy = "read" } `, name)
+	}
+	serviceWrite := func(partition, namespace, name string) string {
+		if isEnterprise {
+			return fmt.Sprintf(` partition %q { namespace %q { service %q { policy = "write" } } }`, partition, namespace, name)
+		}
+		return fmt.Sprintf(` service %q { policy = "write" } `, name)
+	}
+
+	assert := func(t *testing.T, name string, rules string, resList []*pbresource.Resource, readOK, writeOK string) {
+		for i, res := range resList {
+			tc := resourcetest.ACLTestCase{
+				AuthCtx: resource.AuthorizerContext(res.Id.Tenancy),
+				Res:     res,
+				Rules:   rules,
+				ReadOK:  readOK,
+				WriteOK: writeOK,
+				ListOK:  DEFAULT,
+			}
+			run(t, fmt.Sprintf("%s-%d", name, i), tc)
+		}
+	}
+
+	tenancies := []string{"default.default"}
+	if isEnterprise {
+		tenancies = append(tenancies, "default.foo", "alpha.default", "alpha.foo")
+	}
+
+	for _, policyTenancyStr := range tenancies {
+		t.Run("policy tenancy: "+policyTenancyStr, func(t *testing.T) {
+			for _, destTenancyStr := range tenancies {
+				t.Run("dest tenancy: "+destTenancyStr, func(t *testing.T) {
+					for _, aclTenancyStr := range tenancies {
+						t.Run("acl tenancy: "+aclTenancyStr, func(t *testing.T) {
+							aclTenancy := resourcetest.Tenancy(aclTenancyStr)
+
+							maybe := func(match string, parentOnly bool) string {
+								if policyTenancyStr != aclTenancyStr {
+									return DENY
+								}
+								if !parentOnly && destTenancyStr != aclTenancyStr {
+									return DENY
+								}
+								return match
+							}
+
+							t.Run("no rules", func(t *testing.T) {
+								rules := ``
+								assert(t, "1dest", rules, resOneDest(policyTenancyStr, destTenancyStr), DENY, DENY)
+								assert(t, "2dests", rules, resTwoDests(policyTenancyStr, destTenancyStr), DENY, DENY)
+							})
+							t.Run("api:read", func(t *testing.T) {
+								rules := serviceRead(aclTenancy.Partition, aclTenancy.Namespace, "api")
+								assert(t, "1dest", rules, resOneDest(policyTenancyStr, destTenancyStr), maybe(ALLOW, true), DENY)
+								assert(t, "2dests", rules, resTwoDests(policyTenancyStr, destTenancyStr), maybe(ALLOW, true), DENY)
+							})
+							t.Run("api:write", func(t *testing.T) {
+								rules := serviceWrite(aclTenancy.Partition, aclTenancy.Namespace, "api")
+								assert(t, "1dest", rules, resOneDest(policyTenancyStr, destTenancyStr), maybe(ALLOW, true), DENY)
+								assert(t, "2dests", rules, resTwoDests(policyTenancyStr, destTenancyStr), maybe(ALLOW, true), DENY)
+							})
+							t.Run("api:write dest1:read", func(t *testing.T) {
+								rules := serviceWrite(aclTenancy.Partition, aclTenancy.Namespace, "api") +
+									serviceRead(aclTenancy.Partition, aclTenancy.Namespace, "dest1")
+								assert(t, "1dest", rules, resOneDest(policyTenancyStr, destTenancyStr), maybe(ALLOW, true), maybe(ALLOW, false))
+								assert(t, "2dests", rules, resTwoDests(policyTenancyStr, destTenancyStr), maybe(ALLOW, true), DENY)
+							})
+						})
+					}
+				})
+			}
+		})
+	}
 }
 
 func newRef(typ *pbresource.Type, name string) *pbresource.Reference {
@@ -741,7 +838,7 @@ func newRef(typ *pbresource.Type, name string) *pbresource.Reference {
 
 func newRefWithTenancy(typ *pbresource.Type, tenancyStr, name string) *pbresource.Reference {
 	return resourcetest.Resource(typ, name).
-		WithTenancy(newTestTenancy(tenancyStr)).
+		WithTenancy(resourcetest.Tenancy(tenancyStr)).
 		Reference("")
 }
 
@@ -750,22 +847,3 @@ func newRefWithPeer(typ *pbresource.Type, name string, peer string) *pbresource.
 	ref.Tenancy.PeerName = peer
 	return ref
 }
-
-func newTestTenancy(s string) *pbresource.Tenancy {
-	parts := strings.Split(s, ".")
-	switch len(parts) {
-	case 0:
-		return resource.DefaultClusteredTenancy()
-	case 1:
-		v := resource.DefaultPartitionedTenancy()
-		v.Partition = parts[0]
-		return v
-	case 2:
-		v := resource.DefaultNamespacedTenancy()
-		v.Partition = parts[0]
-		v.Namespace = parts[1]
-		return v
-	default:
-		return &pbresource.Tenancy{Partition: "BAD", Namespace: "BAD", PeerName: "BAD"}
-	}
-}