dynamo/deploy/operator/internal/webhook/validation/dynamographdeploymentreques...

381 lines
13 KiB
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/*
* SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package validation
import (
"strings"
"testing"
nvidiacomv1beta1 "github.com/ai-dynamo/dynamo/deploy/operator/api/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestDynamoGraphDeploymentRequestValidator_Validate(t *testing.T) {
vram := float64(81920)
gpuCount := int32(8)
// errMsg: if non-empty, an error is expected and each newline-separated substring must appear in it.
tests := []struct {
name string
request *nvidiacomv1beta1.DynamoGraphDeploymentRequest
isClusterWide bool
gpuDiscoveryEnabled bool
errMsg string
}{
{
name: "valid request",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
isClusterWide: true,
},
{
name: "thorough + auto is invalid",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Image: "profiler:latest",
Backend: nvidiacomv1beta1.BackendTypeAuto,
SearchStrategy: nvidiacomv1beta1.SearchStrategyThorough,
},
},
isClusterWide: true,
errMsg: `spec.searchStrategy "thorough" is incompatible with spec.backend "auto"`,
},
{
name: "rapid + auto is valid (default combination)",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Image: "profiler:latest",
Backend: nvidiacomv1beta1.BackendTypeAuto,
SearchStrategy: nvidiacomv1beta1.SearchStrategyRapid,
},
},
isClusterWide: true,
},
{
name: "thorough + vllm is valid",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Image: "profiler:latest",
Backend: nvidiacomv1beta1.BackendTypeVllm,
SearchStrategy: nvidiacomv1beta1.SearchStrategyThorough,
},
},
isClusterWide: true,
},
{
name: "thorough + trtllm is valid",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Image: "profiler:latest",
Backend: nvidiacomv1beta1.BackendTypeTrtllm,
SearchStrategy: nvidiacomv1beta1.SearchStrategyThorough,
},
},
isClusterWide: true,
},
{
name: "thorough + sglang is valid",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Image: "profiler:latest",
Backend: nvidiacomv1beta1.BackendTypeSglang,
SearchStrategy: nvidiacomv1beta1.SearchStrategyThorough,
},
},
isClusterWide: true,
},
{
name: "namespace-scoped operator with manual hardware config (should pass)",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
Hardware: &nvidiacomv1beta1.HardwareSpec{
GPUSKU: "H100-SXM5-80GB",
VRAMMB: &vram,
NumGPUsPerNode: &gpuCount,
},
},
},
isClusterWide: false,
gpuDiscoveryEnabled: false,
},
{
name: "namespace-scoped operator with GPU discovery enabled (should pass without manual config)",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
isClusterWide: false,
gpuDiscoveryEnabled: true,
},
{
name: "namespace-scoped operator with GPU discovery disabled and no hardware config (should error)",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
isClusterWide: false,
gpuDiscoveryEnabled: false,
errMsg: "GPU hardware configuration required: GPU discovery is disabled",
},
{
name: "thorough+auto is invalid regardless of image",
request: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
ObjectMeta: metav1.ObjectMeta{Name: "test-dgdr", Namespace: "default"},
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeAuto,
SearchStrategy: nvidiacomv1beta1.SearchStrategyThorough,
Image: "",
},
},
isClusterWide: true,
errMsg: "spec.searchStrategy",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
validator := NewDynamoGraphDeploymentRequestValidator(tt.request, tt.isClusterWide, tt.gpuDiscoveryEnabled)
_, err := validator.Validate()
wantErr := tt.errMsg != ""
if (err != nil) != wantErr {
t.Errorf("Validate() error = %v, wantErr %v", err, wantErr)
return
}
if wantErr {
for _, msg := range strings.Split(tt.errMsg, "\n") {
if !strings.Contains(err.Error(), msg) {
t.Errorf("Validate() error %q does not contain %q", err.Error(), msg)
}
}
}
})
}
}
func TestDynamoGraphDeploymentRequestValidator_ValidateUpdate(t *testing.T) {
tests := []struct {
name string
oldRequest *nvidiacomv1beta1.DynamoGraphDeploymentRequest
newRequest *nvidiacomv1beta1.DynamoGraphDeploymentRequest
wantErr bool
errMsg string
wantWarnings bool
}{
{
name: "no changes",
oldRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
newRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
wantErr: false,
},
{
name: "changing model name is allowed when not in immutable phase",
oldRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
newRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-70b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
wantErr: false,
},
{
name: "spec change rejected during Profiling phase",
oldRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
Status: nvidiacomv1beta1.DynamoGraphDeploymentRequestStatus{
Phase: nvidiacomv1beta1.DGDRPhaseProfiling,
},
},
newRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-70b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
wantErr: true,
errMsg: "spec updates are forbidden while the resource is in phase",
},
{
name: "spec change rejected during Deploying phase",
oldRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
Status: nvidiacomv1beta1.DynamoGraphDeploymentRequestStatus{
Phase: nvidiacomv1beta1.DGDRPhaseDeploying,
},
},
newRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-70b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
wantErr: true,
errMsg: "spec updates are forbidden while the resource is in phase",
},
{
name: "spec change rejected during Deployed phase",
oldRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
Status: nvidiacomv1beta1.DynamoGraphDeploymentRequestStatus{
Phase: nvidiacomv1beta1.DGDRPhaseDeployed,
},
},
newRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-70b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
wantErr: true,
errMsg: "spec updates are forbidden while the resource is in phase",
},
{
name: "no spec change during immutable phase is allowed",
oldRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
Status: nvidiacomv1beta1.DynamoGraphDeploymentRequestStatus{
Phase: nvidiacomv1beta1.DGDRPhaseProfiling,
},
},
newRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
wantErr: false,
},
{
name: "spec change allowed during Failed phase",
oldRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-8b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
Status: nvidiacomv1beta1.DynamoGraphDeploymentRequestStatus{
Phase: nvidiacomv1beta1.DGDRPhaseFailed,
},
},
newRequest: &nvidiacomv1beta1.DynamoGraphDeploymentRequest{
Spec: nvidiacomv1beta1.DynamoGraphDeploymentRequestSpec{
Model: "llama-3-70b",
Backend: nvidiacomv1beta1.BackendTypeVllm,
Image: "profiler:latest",
},
},
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
validator := NewDynamoGraphDeploymentRequestValidator(tt.newRequest, true, true)
warnings, err := validator.ValidateUpdate(tt.oldRequest)
if (err != nil) != tt.wantErr {
t.Errorf("ValidateUpdate() error = %v, wantErr %v", err, tt.wantErr)
return
}
if tt.wantErr && tt.errMsg != "" {
if !strings.Contains(err.Error(), tt.errMsg) {
t.Errorf("ValidateUpdate() error %q does not contain %q", err.Error(), tt.errMsg)
}
}
if tt.wantWarnings && len(warnings) == 0 {
t.Errorf("ValidateUpdate() expected warnings but got none")
}
if !tt.wantWarnings && len(warnings) > 0 {
t.Errorf("ValidateUpdate() unexpected warnings: %v", warnings)
}
})
}
}