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add more crd (mostly CEL) validation (#2087)
* add more crd validation Signed-off-by: Alice Wasko <alicewasko@datawire.io> * remove sectionName CEL validation until it is supported Signed-off-by: Alice Wasko <alicewasko@datawire.io> * add cel to forbid sectionName until it is supported Signed-off-by: Alice Wasko <alicewasko@datawire.io> --------- Signed-off-by: Alice Wasko <alicewasko@datawire.io> Signed-off-by: Arko Dasgupta <arkodg@users.noreply.github.com> Co-authored-by: Arko Dasgupta <arkodg@users.noreply.github.com>
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Original file line number | Diff line number | Diff line change |
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// Copyright Envoy Gateway Authors | ||
// SPDX-License-Identifier: Apache-2.0 | ||
// The full text of the Apache license is available in the LICENSE file at | ||
// the root of the repo. | ||
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//go:build celvalidation | ||
// +build celvalidation | ||
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package celvalidation | ||
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import ( | ||
"context" | ||
"fmt" | ||
"strings" | ||
"testing" | ||
"time" | ||
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egv1a1 "github.com/envoyproxy/gateway/api/v1alpha1" | ||
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
gwapiv1a2 "sigs.k8s.io/gateway-api/apis/v1alpha2" | ||
) | ||
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func TestBackendTrafficPolicyTarget(t *testing.T) { | ||
ctx := context.Background() | ||
baseBTP := egv1a1.BackendTrafficPolicy{ | ||
ObjectMeta: metav1.ObjectMeta{ | ||
Name: "btp", | ||
Namespace: metav1.NamespaceDefault, | ||
}, | ||
Spec: egv1a1.BackendTrafficPolicySpec{}, | ||
} | ||
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sectionName := gwapiv1a2.SectionName("foo") | ||
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cases := []struct { | ||
desc string | ||
mutate func(btp *egv1a1.BackendTrafficPolicy) | ||
mutateStatus func(btp *egv1a1.BackendTrafficPolicy) | ||
wantErrors []string | ||
}{ | ||
{ | ||
desc: "valid gateway targetRef", | ||
mutate: func(btp *egv1a1.BackendTrafficPolicy) { | ||
btp.Spec = egv1a1.BackendTrafficPolicySpec{ | ||
TargetRef: gwapiv1a2.PolicyTargetReferenceWithSectionName{ | ||
PolicyTargetReference: gwapiv1a2.PolicyTargetReference{ | ||
Group: gwapiv1a2.Group("gateway.networking.k8s.io"), | ||
Kind: gwapiv1a2.Kind("Gateway"), | ||
Name: gwapiv1a2.ObjectName("eg"), | ||
}, | ||
}, | ||
} | ||
}, | ||
wantErrors: []string{}, | ||
}, | ||
{ | ||
desc: "valid httproute targetRef", | ||
mutate: func(btp *egv1a1.BackendTrafficPolicy) { | ||
btp.Spec = egv1a1.BackendTrafficPolicySpec{ | ||
TargetRef: gwapiv1a2.PolicyTargetReferenceWithSectionName{ | ||
PolicyTargetReference: gwapiv1a2.PolicyTargetReference{ | ||
Group: gwapiv1a2.Group("gateway.networking.k8s.io"), | ||
Kind: gwapiv1a2.Kind("HTTPRoute"), | ||
Name: gwapiv1a2.ObjectName("httpbin-route"), | ||
}, | ||
}, | ||
} | ||
}, | ||
wantErrors: []string{}, | ||
}, | ||
{ | ||
desc: "no targetRef", | ||
mutate: func(btp *egv1a1.BackendTrafficPolicy) { | ||
btp.Spec = egv1a1.BackendTrafficPolicySpec{} | ||
}, | ||
wantErrors: []string{ | ||
"spec.targetRef.kind: Invalid value: \"\": spec.targetRef.kind in body should be at least 1 chars long", | ||
"spec.targetRef.name: Invalid value: \"\": spec.targetRef.name in body should be at least 1 chars long", | ||
"spec.targetRef: Invalid value: \"object\": this policy can only have a targetRef.group of gateway.networking.k8s.io", | ||
"spec.targetRef: Invalid value: \"object\": this policy can only have a targetRef.kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute", | ||
}, | ||
}, | ||
{ | ||
desc: "targetRef unsupported kind", | ||
mutate: func(btp *egv1a1.BackendTrafficPolicy) { | ||
btp.Spec = egv1a1.BackendTrafficPolicySpec{ | ||
TargetRef: gwapiv1a2.PolicyTargetReferenceWithSectionName{ | ||
PolicyTargetReference: gwapiv1a2.PolicyTargetReference{ | ||
Group: gwapiv1a2.Group("gateway.networking.k8s.io"), | ||
Kind: gwapiv1a2.Kind("foo"), | ||
Name: gwapiv1a2.ObjectName("eg"), | ||
}, | ||
}, | ||
} | ||
}, | ||
wantErrors: []string{ | ||
"spec.targetRef: Invalid value: \"object\": this policy can only have a targetRef.kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute", | ||
}, | ||
}, | ||
{ | ||
desc: "targetRef unsupported group", | ||
mutate: func(btp *egv1a1.BackendTrafficPolicy) { | ||
btp.Spec = egv1a1.BackendTrafficPolicySpec{ | ||
TargetRef: gwapiv1a2.PolicyTargetReferenceWithSectionName{ | ||
PolicyTargetReference: gwapiv1a2.PolicyTargetReference{ | ||
Group: gwapiv1a2.Group("foo"), | ||
Kind: gwapiv1a2.Kind("Gateway"), | ||
Name: gwapiv1a2.ObjectName("eg"), | ||
}, | ||
}, | ||
} | ||
}, | ||
wantErrors: []string{ | ||
"spec.targetRef: Invalid value: \"object\": this policy can only have a targetRef.group of gateway.networking.k8s.io", | ||
}, | ||
}, | ||
{ | ||
desc: "targetRef unsupported group and kind", | ||
mutate: func(btp *egv1a1.BackendTrafficPolicy) { | ||
btp.Spec = egv1a1.BackendTrafficPolicySpec{ | ||
TargetRef: gwapiv1a2.PolicyTargetReferenceWithSectionName{ | ||
PolicyTargetReference: gwapiv1a2.PolicyTargetReference{ | ||
Group: gwapiv1a2.Group("foo"), | ||
Kind: gwapiv1a2.Kind("bar"), | ||
Name: gwapiv1a2.ObjectName("eg"), | ||
}, | ||
}, | ||
} | ||
}, | ||
wantErrors: []string{ | ||
"spec.targetRef: Invalid value: \"object\": this policy can only have a targetRef.group of gateway.networking.k8s.io", | ||
"spec.targetRef: Invalid value: \"object\": this policy can only have a targetRef.kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute", | ||
}, | ||
}, | ||
{ | ||
desc: "sectionName disabled until supported", | ||
mutate: func(btp *egv1a1.BackendTrafficPolicy) { | ||
btp.Spec = egv1a1.BackendTrafficPolicySpec{ | ||
TargetRef: gwapiv1a2.PolicyTargetReferenceWithSectionName{ | ||
PolicyTargetReference: gwapiv1a2.PolicyTargetReference{ | ||
Group: gwapiv1a2.Group("gateway.networking.k8s.io"), | ||
Kind: gwapiv1a2.Kind("Gateway"), | ||
Name: gwapiv1a2.ObjectName("eg"), | ||
}, | ||
SectionName: §ionName, | ||
}, | ||
} | ||
}, | ||
wantErrors: []string{ | ||
"spec.targetRef: Invalid value: \"object\": this policy does not yet support the sectionName field", | ||
}, | ||
}, | ||
} | ||
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for _, tc := range cases { | ||
t.Run(tc.desc, func(t *testing.T) { | ||
btp := baseBTP.DeepCopy() | ||
btp.Name = fmt.Sprintf("btp-%v", time.Now().UnixNano()) | ||
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if tc.mutate != nil { | ||
tc.mutate(btp) | ||
} | ||
err := c.Create(ctx, btp) | ||
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if tc.mutateStatus != nil { | ||
tc.mutateStatus(btp) | ||
err = c.Status().Update(ctx, btp) | ||
} | ||
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if (len(tc.wantErrors) != 0) != (err != nil) { | ||
t.Fatalf("Unexpected response while creating BackendTrafficPolicy; got err=\n%v\n;want error=%v", err, tc.wantErrors) | ||
} | ||
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var missingErrorStrings []string | ||
for _, wantError := range tc.wantErrors { | ||
if !strings.Contains(strings.ToLower(err.Error()), strings.ToLower(wantError)) { | ||
missingErrorStrings = append(missingErrorStrings, wantError) | ||
} | ||
} | ||
if len(missingErrorStrings) != 0 { | ||
t.Errorf("Unexpected response while creating BackendTrafficPolicy; got err=\n%v\n;missing strings within error=%q", err, missingErrorStrings) | ||
} | ||
}) | ||
} | ||
} |
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