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virtual_service_processor_test.go
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package istio_test
import (
"context"
"fmt"
"github.com/kyma-project/api-gateway/apis/gateway/v1beta1"
"github.com/kyma-project/api-gateway/internal/builders"
v1beta12 "istio.io/api/networking/v1beta1"
"k8s.io/utils/ptr"
"time"
"github.com/kyma-project/api-gateway/internal/processing"
. "github.com/kyma-project/api-gateway/internal/processing/processing_test"
"github.com/kyma-project/api-gateway/internal/processing/processors/istio"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
rulev1alpha1 "github.com/ory/oathkeeper-maester/api/v1alpha1"
networkingv1beta1 "istio.io/client-go/pkg/apis/networking/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/client/fake"
)
var _ = Describe("Virtual Service Processor", func() {
allowHandlers := []string{v1beta1.AccessStrategyAllow, v1beta1.AccessStrategyNoAuth}
for _, handler := range allowHandlers {
When("handler is "+handler, func() {
It("should create", func() {
// given
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: handler,
},
},
}
rule := GetRuleFor(ApiPath, ApiMethods, []*v1beta1.Mutator{}, strategies)
rules := []v1beta1.Rule{rule}
apiRule := GetAPIRuleFor(rules)
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
Expect(result[0].Action.String()).To(Equal("create"))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(vs).NotTo(BeNil())
Expect(len(vs.Spec.Gateways)).To(Equal(1))
Expect(len(vs.Spec.Hosts)).To(Equal(1))
Expect(vs.Spec.Hosts[0]).To(Equal(ServiceHost))
Expect(len(vs.Spec.Http)).To(Equal(1))
Expect(len(vs.Spec.Http[0].Route)).To(Equal(1))
Expect(vs.Spec.Http[0].Route[0].Destination.Host).To(Equal(ServiceName + "." + ApiNamespace + ".svc.cluster.local"))
Expect(vs.Spec.Http[0].Route[0].Destination.Port.Number).To(Equal(ServicePort))
Expect(len(vs.Spec.Http[0].Match)).To(Equal(1))
Expect(vs.Spec.Http[0].Match[0].Uri.GetRegex()).To(Equal(apiRule.Spec.Rules[0].Path))
Expect(vs.Spec.Http[0].CorsPolicy.AllowOrigins).To(Equal(TestCors.AllowOrigins))
Expect(vs.Spec.Http[0].CorsPolicy.AllowMethods).To(Equal(TestCors.AllowMethods))
Expect(vs.Spec.Http[0].CorsPolicy.AllowHeaders).To(Equal(TestCors.AllowHeaders))
Expect(vs.ObjectMeta.Name).To(BeEmpty())
Expect(vs.ObjectMeta.GenerateName).To(Equal(ApiName + "-"))
Expect(vs.ObjectMeta.Namespace).To(Equal(ApiNamespace))
})
It("should override destination host for specified spec level service namespace", func() {
// given
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: handler,
},
},
}
rule := GetRuleFor(ApiPath, ApiMethods, []*v1beta1.Mutator{}, strategies)
rules := []v1beta1.Rule{rule}
apiRule := GetAPIRuleFor(rules)
overrideServiceName := "testName"
overrideServiceNamespace := "testName-namespace"
overrideServicePort := uint32(8080)
apiRule.Spec.Service = &v1beta1.Service{
Name: &overrideServiceName,
Namespace: &overrideServiceNamespace,
Port: &overrideServicePort,
}
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(len(vs.Spec.Http[0].Route)).To(Equal(1))
Expect(vs.Spec.Http[0].Route[0].Destination.Host).To(Equal(overrideServiceName + "." + overrideServiceNamespace + ".svc.cluster.local"))
})
It("should override destination host with rule level service namespace", func() {
// given
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: handler,
},
},
}
overrideServiceName := "testName"
overrideServiceNamespace := "testName-namespace"
overrideServicePort := uint32(8080)
service := &v1beta1.Service{
Name: &overrideServiceName,
Namespace: &overrideServiceNamespace,
Port: &overrideServicePort,
}
rule := GetRuleWithServiceFor(ApiPath, ApiMethods, []*v1beta1.Mutator{}, strategies, service)
rules := []v1beta1.Rule{rule}
apiRule := GetAPIRuleFor(rules)
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
//verify VS has rule level destination host
Expect(len(vs.Spec.Http[0].Route)).To(Equal(1))
Expect(vs.Spec.Http[0].Route[0].Destination.Host).To(Equal(overrideServiceName + "." + overrideServiceNamespace + ".svc.cluster.local"))
})
It("should return VS with default domain name when the hostname does not contain domain name", func() {
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: handler,
},
},
}
rule := GetRuleFor(ApiPath, ApiMethods, []*v1beta1.Mutator{}, strategies)
rules := []v1beta1.Rule{rule}
apiRule := GetAPIRuleFor(rules)
apiRule.Spec.Host = &ServiceHostWithNoDomain
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
//verify VS
Expect(vs).NotTo(BeNil())
Expect(len(vs.Spec.Hosts)).To(Equal(1))
Expect(vs.Spec.Hosts[0]).To(Equal(ServiceHost))
})
})
}
When("handler is noop", func() {
It("should not override Oathkeeper service destination host with spec level service", func() {
// given
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
}
overrideServiceName := "testName"
overrideServicePort := uint32(8080)
service := &v1beta1.Service{
Name: &overrideServiceName,
Port: &overrideServicePort,
}
allowRule := GetRuleWithServiceFor(ApiPath, ApiMethods, []*v1beta1.Mutator{}, strategies, service)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(len(vs.Spec.Http[0].Route)).To(Equal(1))
Expect(vs.Spec.Http[0].Route[0].Destination.Host).To(Equal(OathkeeperSvc))
})
When("existing virtual service has owner v1alpha1 owner label", func() {
It("should get and update", func() {
// given
noop := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
}
noopRule := GetRuleFor(ApiPath, ApiMethods, []*v1beta1.Mutator{}, noop)
rules := []v1beta1.Rule{noopRule}
apiRule := GetAPIRuleFor(rules)
rule := rulev1alpha1.Rule{
ObjectMeta: metav1.ObjectMeta{},
Spec: rulev1alpha1.RuleSpec{
Match: &rulev1alpha1.Match{
URL: "some url",
},
},
}
vs := networkingv1beta1.VirtualService{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
processing.OwnerLabel: fmt.Sprintf("%s.%s", apiRule.ObjectMeta.Name, apiRule.ObjectMeta.Namespace),
},
},
}
scheme := runtime.NewScheme()
err := rulev1alpha1.AddToScheme(scheme)
Expect(err).NotTo(HaveOccurred())
err = networkingv1beta1.AddToScheme(scheme)
Expect(err).NotTo(HaveOccurred())
err = v1beta1.AddToScheme(scheme)
Expect(err).NotTo(HaveOccurred())
client := fake.NewClientBuilder().WithScheme(scheme).WithObjects(&rule, &vs).Build()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
Expect(result[0].Action.String()).To(Equal("update"))
resultVs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(resultVs).NotTo(BeNil())
Expect(resultVs).NotTo(BeNil())
Expect(len(resultVs.Spec.Gateways)).To(Equal(1))
Expect(len(resultVs.Spec.Hosts)).To(Equal(1))
Expect(resultVs.Spec.Hosts[0]).To(Equal(ServiceHost))
Expect(len(resultVs.Spec.Http)).To(Equal(1))
Expect(len(resultVs.Spec.Http[0].Route)).To(Equal(1))
Expect(resultVs.Spec.Http[0].Route[0].Destination.Host).To(Equal(OathkeeperSvc))
Expect(resultVs.Spec.Http[0].Route[0].Destination.Port.Number).To(Equal(OathkeeperSvcPort))
Expect(len(resultVs.Spec.Http[0].Match)).To(Equal(1))
Expect(resultVs.Spec.Http[0].Match[0].Uri.GetRegex()).To(Equal(apiRule.Spec.Rules[0].Path))
Expect(resultVs.Spec.Http[0].CorsPolicy.AllowOrigins).To(Equal(TestCors.AllowOrigins))
Expect(resultVs.Spec.Http[0].CorsPolicy.AllowMethods).To(Equal(TestCors.AllowMethods))
Expect(resultVs.Spec.Http[0].CorsPolicy.AllowHeaders).To(Equal(TestCors.AllowHeaders))
})
})
})
When("multiple handler", func() {
It("should return service for given paths", func() {
// given
noop := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
}
jwtConfigJSON := fmt.Sprintf(`
{
"trusted_issuers": ["%s"],
"jwks": [],
"required_scope": [%s]
}`, JwtIssuer, ToCSVList(ApiScopes))
jwt := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "jwt",
Config: &runtime.RawExtension{
Raw: []byte(jwtConfigJSON),
},
},
},
}
testMutators := []*v1beta1.Mutator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
{
Handler: &v1beta1.Handler{
Name: "idtoken",
},
},
}
noopRule := GetRuleFor(ApiPath, ApiMethods, []*v1beta1.Mutator{}, noop)
jwtRule := GetRuleFor(HeadersApiPath, ApiMethods, testMutators, jwt)
rules := []v1beta1.Rule{noopRule, jwtRule}
apiRule := GetAPIRuleFor(rules)
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(vs).NotTo(BeNil())
Expect(len(vs.Spec.Gateways)).To(Equal(1))
Expect(len(vs.Spec.Hosts)).To(Equal(1))
Expect(vs.Spec.Hosts[0]).To(Equal(ServiceHost))
Expect(len(vs.Spec.Http)).To(Equal(2))
Expect(len(vs.Spec.Http[0].Route)).To(Equal(1))
Expect(vs.Spec.Http[0].Route[0].Destination.Host).To(Equal(OathkeeperSvc))
Expect(vs.Spec.Http[0].Route[0].Destination.Port.Number).To(Equal(OathkeeperSvcPort))
Expect(len(vs.Spec.Http[0].Match)).To(Equal(1))
Expect(vs.Spec.Http[0].Match[0].Uri.GetRegex()).To(Equal(apiRule.Spec.Rules[0].Path))
Expect(vs.Spec.Http[0].CorsPolicy.AllowOrigins).To(Equal(TestCors.AllowOrigins))
Expect(vs.Spec.Http[0].CorsPolicy.AllowMethods).To(Equal(TestCors.AllowMethods))
Expect(vs.Spec.Http[0].CorsPolicy.AllowHeaders).To(Equal(TestCors.AllowHeaders))
Expect(len(vs.Spec.Http[1].Route)).To(Equal(1))
Expect(vs.Spec.Http[1].Route[0].Destination.Host).To(Equal(ServiceName + "." + ApiNamespace + ".svc.cluster.local"))
Expect(vs.Spec.Http[1].Route[0].Destination.Port.Number).To(Equal(ServicePort))
Expect(len(vs.Spec.Http[1].Match)).To(Equal(1))
Expect(vs.Spec.Http[1].Match[0].Uri.GetRegex()).To(Equal(apiRule.Spec.Rules[1].Path))
Expect(vs.Spec.Http[1].CorsPolicy.AllowOrigins).To(Equal(TestCors.AllowOrigins))
Expect(vs.Spec.Http[1].CorsPolicy.AllowMethods).To(Equal(TestCors.AllowMethods))
Expect(vs.Spec.Http[1].CorsPolicy.AllowHeaders).To(Equal(TestCors.AllowHeaders))
Expect(vs.ObjectMeta.Name).To(BeEmpty())
Expect(vs.ObjectMeta.GenerateName).To(Equal(ApiName + "-"))
Expect(vs.ObjectMeta.Namespace).To(Equal(ApiNamespace))
})
It("should return service for two same paths and different methods", func() {
// given
noop := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
}
jwtConfigJSON := fmt.Sprintf(`
{
"trusted_issuers": ["%s"],
"jwks": [],
"required_scope": [%s]
}`, JwtIssuer, ToCSVList(ApiScopes))
jwt := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "jwt",
Config: &runtime.RawExtension{
Raw: []byte(jwtConfigJSON),
},
},
},
}
testMutators := []*v1beta1.Mutator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
{
Handler: &v1beta1.Handler{
Name: "idtoken",
},
},
}
noopRule := GetRuleFor(ApiPath, methodsGet, []*v1beta1.Mutator{}, noop)
jwtRule := GetRuleFor(ApiPath, methodsPost, testMutators, jwt)
rules := []v1beta1.Rule{noopRule, jwtRule}
apiRule := GetAPIRuleFor(rules)
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(vs).NotTo(BeNil())
Expect(len(vs.Spec.Gateways)).To(Equal(1))
Expect(len(vs.Spec.Hosts)).To(Equal(1))
Expect(vs.Spec.Hosts[0]).To(Equal(ServiceHost))
Expect(len(vs.Spec.Http)).To(Equal(1))
Expect(len(vs.Spec.Http[0].Route)).To(Equal(1))
Expect(vs.Spec.Http[0].Route[0].Destination.Host).To(Equal(OathkeeperSvc))
Expect(vs.Spec.Http[0].Route[0].Destination.Port.Number).To(Equal(OathkeeperSvcPort))
Expect(len(vs.Spec.Http[0].Match)).To(Equal(1))
Expect(vs.Spec.Http[0].Match[0].Uri.GetRegex()).To(Equal(apiRule.Spec.Rules[0].Path))
Expect(vs.Spec.Http[0].CorsPolicy.AllowOrigins).To(Equal(TestCors.AllowOrigins))
Expect(vs.Spec.Http[0].CorsPolicy.AllowMethods).To(Equal(TestCors.AllowMethods))
Expect(vs.Spec.Http[0].CorsPolicy.AllowHeaders).To(Equal(TestCors.AllowHeaders))
Expect(vs.ObjectMeta.Name).To(BeEmpty())
Expect(vs.ObjectMeta.GenerateName).To(Equal(ApiName + "-"))
Expect(vs.ObjectMeta.Namespace).To(Equal(ApiNamespace))
})
It("should return service for two same paths and one different", func() {
// given
noop := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
}
jwtConfigJSON := fmt.Sprintf(`
{
"trusted_issuers": ["%s"],
"jwks": [],
"required_scope": [%s]
}`, JwtIssuer, ToCSVList(ApiScopes))
jwt := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "jwt",
Config: &runtime.RawExtension{
Raw: []byte(jwtConfigJSON),
},
},
},
}
testMutators := []*v1beta1.Mutator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
{
Handler: &v1beta1.Handler{
Name: "idtoken",
},
},
}
noopGetRule := GetRuleFor(ApiPath, methodsGet, []*v1beta1.Mutator{}, noop)
noopPostRule := GetRuleFor(ApiPath, methodsPost, []*v1beta1.Mutator{}, noop)
jwtRule := GetRuleFor(HeadersApiPath, ApiMethods, testMutators, jwt)
rules := []v1beta1.Rule{noopGetRule, noopPostRule, jwtRule}
apiRule := GetAPIRuleFor(rules)
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(vs).NotTo(BeNil())
Expect(len(vs.Spec.Gateways)).To(Equal(1))
Expect(len(vs.Spec.Hosts)).To(Equal(1))
Expect(vs.Spec.Hosts[0]).To(Equal(ServiceHost))
Expect(len(vs.Spec.Http)).To(Equal(2))
Expect(len(vs.Spec.Http[0].Route)).To(Equal(1))
Expect(vs.Spec.Http[0].Route[0].Destination.Host).To(Equal(OathkeeperSvc))
Expect(vs.Spec.Http[0].Route[0].Destination.Port.Number).To(Equal(OathkeeperSvcPort))
Expect(len(vs.Spec.Http[0].Match)).To(Equal(1))
Expect(vs.Spec.Http[0].Match[0].Uri.GetRegex()).To(Equal(apiRule.Spec.Rules[0].Path))
Expect(vs.Spec.Http[0].CorsPolicy.AllowOrigins).To(Equal(TestCors.AllowOrigins))
Expect(vs.Spec.Http[0].CorsPolicy.AllowMethods).To(Equal(TestCors.AllowMethods))
Expect(vs.Spec.Http[0].CorsPolicy.AllowHeaders).To(Equal(TestCors.AllowHeaders))
Expect(len(vs.Spec.Http[1].Route)).To(Equal(1))
Expect(vs.Spec.Http[1].Route[0].Destination.Host).To(Equal(ServiceName + "." + ApiNamespace + ".svc.cluster.local"))
Expect(vs.Spec.Http[1].Route[0].Destination.Port.Number).To(Equal(ServicePort))
Expect(len(vs.Spec.Http[1].Match)).To(Equal(1))
Expect(vs.Spec.Http[1].Match[0].Uri.GetRegex()).To(Equal(apiRule.Spec.Rules[2].Path))
Expect(vs.Spec.Http[1].CorsPolicy.AllowOrigins).To(Equal(TestCors.AllowOrigins))
Expect(vs.Spec.Http[1].CorsPolicy.AllowMethods).To(Equal(TestCors.AllowMethods))
Expect(vs.Spec.Http[1].CorsPolicy.AllowHeaders).To(Equal(TestCors.AllowHeaders))
Expect(vs.ObjectMeta.Name).To(BeEmpty())
Expect(vs.ObjectMeta.GenerateName).To(Equal(ApiName + "-"))
Expect(vs.ObjectMeta.Namespace).To(Equal(ApiNamespace))
})
It("should return service for jwt & oauth authenticators for given path", func() {
// given
oauthConfigJSON := fmt.Sprintf(`{"required_scope": [%s]}`, ToCSVList(ApiScopes))
jwtConfigJSON := fmt.Sprintf(`
{
"trusted_issuers": ["%s"],
"jwks": [],
"required_scope": [%s]
}`, JwtIssuer, ToCSVList(ApiScopes))
jwt := &v1beta1.Authenticator{
Handler: &v1beta1.Handler{
Name: "jwt",
Config: &runtime.RawExtension{
Raw: []byte(jwtConfigJSON),
},
},
}
oauth := &v1beta1.Authenticator{
Handler: &v1beta1.Handler{
Name: "oauth2_introspection",
Config: &runtime.RawExtension{
Raw: []byte(oauthConfigJSON),
},
},
}
strategies := []*v1beta1.Authenticator{jwt, oauth}
allowRule := GetRuleFor(ApiPath, ApiMethods, []*v1beta1.Mutator{}, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(vs).NotTo(BeNil())
Expect(len(vs.Spec.Gateways)).To(Equal(1))
Expect(len(vs.Spec.Hosts)).To(Equal(1))
Expect(vs.Spec.Hosts[0]).To(Equal(ServiceHost))
Expect(len(vs.Spec.Http)).To(Equal(1))
Expect(len(vs.Spec.Http[0].Route)).To(Equal(1))
Expect(vs.Spec.Http[0].Route[0].Destination.Host).To(Equal(ServiceName + "." + ApiNamespace + ".svc.cluster.local"))
Expect(vs.Spec.Http[0].Route[0].Destination.Port.Number).To(Equal(ServicePort))
Expect(len(vs.Spec.Http[0].Match)).To(Equal(1))
Expect(vs.Spec.Http[0].Match[0].Uri.GetRegex()).To(Equal(apiRule.Spec.Rules[0].Path))
Expect(vs.Spec.Http[0].CorsPolicy.AllowOrigins).To(Equal(TestCors.AllowOrigins))
Expect(vs.Spec.Http[0].CorsPolicy.AllowMethods).To(Equal(TestCors.AllowMethods))
Expect(vs.Spec.Http[0].CorsPolicy.AllowHeaders).To(Equal(TestCors.AllowHeaders))
Expect(vs.ObjectMeta.Name).To(BeEmpty())
Expect(vs.ObjectMeta.GenerateName).To(Equal(ApiName + "-"))
Expect(vs.ObjectMeta.Namespace).To(Equal(ApiNamespace))
})
})
When("the path is `/*`", func() {
It("should set the match to prefix `/`", func() {
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: v1beta1.AccessStrategyNoAuth,
},
},
}
allowRule := GetRuleFor("/*", ApiMethods, []*v1beta1.Mutator{}, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
Expect(err).NotTo(HaveOccurred())
Expect(result).To(HaveLen(1))
resultVs := result[0].Obj.(*networkingv1beta1.VirtualService)
Expect(resultVs.Spec.Http).To(HaveLen(1))
Expect(resultVs.Spec.Http[0].Match).To(HaveLen(1))
Expect(resultVs.Spec.Http[0].Match[0].Uri.GetPrefix()).To(Equal("/"))
})
})
Context("mutators are defined", func() {
When("access strategy is JWT", func() {
It("should return VS cookie and header configuration set", func() {
jwtConfigJSON := fmt.Sprintf(`{"trusted_issuers": ["%s"],"jwks": [],}`, JwtIssuer)
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "jwt",
Config: &runtime.RawExtension{
Raw: []byte(jwtConfigJSON),
},
},
},
}
mutators := []*v1beta1.Mutator{
{
Handler: &v1beta1.Handler{
Name: "cookie",
Config: GetRawConfig(
v1beta1.CookieMutatorConfig{
Cookies: map[string]string{
"x-test-cookie-1": "cookie-value1",
"x-test-cookie-2": "cookie-value2",
},
},
),
},
},
{
Handler: &v1beta1.Handler{
Name: "header",
Config: GetRawConfig(
v1beta1.HeaderMutatorConfig{
Headers: map[string]string{
"x-test-header-1": "header-value1",
"x-test-header-2": "header-value2",
},
},
),
},
},
}
allowRule := GetRuleFor(ApiPath, ApiMethods, mutators, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
apiRule.Spec.Host = &ServiceHostWithNoDomain
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
//verify VS
Expect(vs).NotTo(BeNil())
Expect(vs.Spec.Http).To(HaveLen(1))
Expect(vs.Spec.Http[0].Headers.Request.Set).To(HaveKey("Cookie"))
Expect(vs.Spec.Http[0].Headers.Request.Set["Cookie"]).To(ContainSubstring("x-test-cookie-1=cookie-value1"))
Expect(vs.Spec.Http[0].Headers.Request.Set["Cookie"]).To(ContainSubstring("x-test-cookie-2=cookie-value2"))
Expect(vs.Spec.Http[0].Headers.Request.Set).To(HaveKeyWithValue("x-test-header-1", "header-value1"))
Expect(vs.Spec.Http[0].Headers.Request.Set).To(HaveKeyWithValue("x-test-header-2", "header-value2"))
})
It("should not override x-forwarded-for header", func() {
jwtConfigJSON := fmt.Sprintf(`{"trusted_issuers": ["%s"],"jwks": [],}`, JwtIssuer)
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "jwt",
Config: &runtime.RawExtension{
Raw: []byte(jwtConfigJSON),
},
},
},
}
mutators := []*v1beta1.Mutator{
{
Handler: &v1beta1.Handler{
Name: "header",
Config: GetRawConfig(
v1beta1.HeaderMutatorConfig{
Headers: map[string]string{
"x-test-header-1": "header-value1",
},
},
),
},
},
}
allowRule := GetRuleFor(ApiPath, ApiMethods, mutators, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
apiRule.Spec.Host = &ServiceHostWithNoDomain
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
//verify VS
Expect(vs).NotTo(BeNil())
Expect(vs.Spec.Http).To(HaveLen(1))
Expect(vs.Spec.Http[0].Headers.Request.Set).To(HaveKeyWithValue("x-forwarded-host", "myService.myDomain.com"))
Expect(vs.Spec.Http[0].Headers.Request.Set).To(HaveKeyWithValue("x-test-header-1", "header-value1"))
})
})
DescribeTable("should not add mutator config to VS when access strategy is ", func(handler string) {
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: handler,
},
},
}
mutators := []*v1beta1.Mutator{
{
Handler: &v1beta1.Handler{
Name: "header",
Config: GetRawConfig(
v1beta1.HeaderMutatorConfig{
Headers: map[string]string{
"x-test-header-1": "header-value1",
},
},
),
},
},
}
allowRule := GetRuleFor(ApiPath, ApiMethods, mutators, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
apiRule.Spec.Host = &ServiceHostWithNoDomain
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
//verify VS
Expect(vs).NotTo(BeNil())
Expect(vs.Spec.Http).To(HaveLen(1))
Expect(vs.Spec.Http[0].Headers.Request.Set).ToNot(HaveKey("Cookie"))
Expect(vs.Spec.Http[0].Headers.Request.Set).ToNot(HaveKeyWithValue("x-test-header-1", "header-value1"))
},
Entry(nil, v1beta1.AccessStrategyNoAuth),
Entry(nil, v1beta1.AccessStrategyAllow),
)
It("should not add mutator config to VS when access strategy is noop", func() {
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "noop",
},
},
}
mutators := []*v1beta1.Mutator{
{
Handler: &v1beta1.Handler{
Name: "header",
Config: GetRawConfig(
v1beta1.HeaderMutatorConfig{
Headers: map[string]string{
"x-test-header-1": "header-value1",
},
},
),
},
},
}
allowRule := GetRuleFor(ApiPath, ApiMethods, mutators, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
apiRule.Spec.Host = &ServiceHostWithNoDomain
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
//verify VS
Expect(vs).NotTo(BeNil())
Expect(vs.Spec.Http).To(HaveLen(1))
Expect(vs.Spec.Http[0].Headers.Request.Set).ToNot(HaveKey("Cookie"))
Expect(vs.Spec.Http[0].Headers.Request.Set).ToNot(HaveKeyWithValue("x-test-header-1", "header-value1"))
})
It("should not add mutator config to VS when access strategy is oauth2_introspection", func() {
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: "oauth2_introspection",
},
},
}
mutators := []*v1beta1.Mutator{
{
Handler: &v1beta1.Handler{
Name: "header",
Config: GetRawConfig(
v1beta1.HeaderMutatorConfig{
Headers: map[string]string{
"x-test-header-1": "header-value1",
},
},
),
},
},
}
allowRule := GetRuleFor(ApiPath, ApiMethods, mutators, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
apiRule.Spec.Host = &ServiceHostWithNoDomain
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
//verify VS
Expect(vs).NotTo(BeNil())
Expect(vs.Spec.Http).To(HaveLen(1))
Expect(vs.Spec.Http[0].Headers.Request.Set).ToNot(HaveKey("Cookie"))
Expect(vs.Spec.Http[0].Headers.Request.Set).ToNot(HaveKeyWithValue("x-test-header-1", "header-value1"))
})
})
Context("CORS", func() {
It("should set default values in CORSPolicy when it is not configured in APIRule", func() {
// given
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: v1beta1.AccessStrategyNoAuth,
},
},
}
allowRule := GetRuleFor(ApiPath, ApiMethods, nil, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)
apiRule.Spec.Host = &ServiceHostWithNoDomain
client := GetFakeClient()
processor := istio.Newv1beta1VirtualServiceProcessor(GetTestConfig(), apiRule)
// when
result, err := processor.EvaluateReconciliation(context.Background(), client)
// then
Expect(err).To(BeNil())
Expect(result).To(HaveLen(1))
vs := result[0].Obj.(*networkingv1beta1.VirtualService)
//verify VS
Expect(vs).NotTo(BeNil())
Expect(vs.Spec.Http[0].CorsPolicy).NotTo(BeNil())
Expect(vs.Spec.Http[0].CorsPolicy.AllowMethods).To(ContainElements(TestCors.AllowMethods))
Expect(vs.Spec.Http[0].CorsPolicy.AllowOrigins).To(ContainElements(TestCors.AllowOrigins))
Expect(vs.Spec.Http[0].CorsPolicy.AllowHeaders).To(ContainElements(TestCors.AllowHeaders))
})
It("should not set default values in CORSPolicy when it is configured in APIRule, and set headers", func() {
// given
strategies := []*v1beta1.Authenticator{
{
Handler: &v1beta1.Handler{
Name: v1beta1.AccessStrategyNoAuth,
},
},
}
corsPolicy := v1beta1.CorsPolicy{
AllowMethods: []string{"GET", "POST"},
AllowOrigins: v1beta1.StringMatch{{"exact": "localhost"}},
AllowCredentials: ptr.To(true),
}
allowRule := GetRuleFor(ApiPath, ApiMethods, nil, strategies)
rules := []v1beta1.Rule{allowRule}
apiRule := GetAPIRuleFor(rules)