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feat: improve HPA analyzer to check ScaleTargetRef resources #283

Merged
merged 9 commits into from
Apr 18, 2023
Merged

feat: improve HPA analyzer to check ScaleTargetRef resources #283

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d1a8931
feat: improve HPA analyzer to check ScaleTargetRef resources
rakshitgondwal Apr 15, 2023
62e3fb0
feat: modify tests
rakshitgondwal Apr 15, 2023
0ceed62
Merge branch 'k8sgpt-ai:main' into dev
rakshitgondwal Apr 17, 2023
3150b1b
feat: improve all ScaleTargetRef to check for resources
rakshitgondwal Apr 17, 2023
fc62ac6
test: add test cases for all ScaleTargetRef types
rakshitgondwal Apr 17, 2023
af06ef1
refactor: use interface to avoid dupplication
matthisholleville Apr 17, 2023
b8dcccc
Merge branch 'main' into dev
matthisholleville Apr 17, 2023
fc607cd
Merge branch 'k8sgpt-ai:main' into dev
rakshitgondwal Apr 18, 2023
970b6f7
test: add test case for NoResourceConfiguredForScaleTargetRef
rakshitgondwal Apr 18, 2023
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21 changes: 17 additions & 4 deletions pkg/analyzer/hpa.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,10 +28,23 @@ func (HpaAnalyzer) Analyze(a common.Analyzer) ([]common.Result, error) {

switch scaleTargetRef.Kind {
case "Deployment":
_, err := a.Client.GetClient().AppsV1().Deployments(hpa.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
if err != nil {
scaleTargetRefNotFound = true
}
deployment, err := a.Client.GetClient().AppsV1().Deployments(hpa.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
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if err != nil {
scaleTargetRefNotFound = true
} else {
// check if the deployment has resource configured
if (deployment.Spec.Template.Spec.Containers[0].Resources.Requests == nil) || (deployment.Spec.Template.Spec.Containers[0].Resources.Limits == nil) {
failures = append(failures, common.Failure{
Text: fmt.Sprintf("Deployment %s/%s does not have resource configured.", deployment.Namespace, deployment.Name),
Sensitive: []common.Sensitive{
{
Unmasked: deployment.Name,
Masked: util.MaskString(deployment.Name),
},
},
})
}
}
case "ReplicationController":
_, err := a.Client.GetClient().CoreV1().ReplicationControllers(hpa.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
if err != nil {
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24 changes: 24 additions & 0 deletions pkg/analyzer/hpaAnalyzer_test.go
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Expand Up @@ -10,6 +10,8 @@ import (
"github.com/magiconair/properties/assert"
appsv1 "k8s.io/api/apps/v1"
autoscalingv1 "k8s.io/api/autoscaling/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes/fake"
)
Expand Down Expand Up @@ -185,6 +187,28 @@ func TestHPAAnalyzerWithExistingScaleTargetRef(t *testing.T) {
Namespace: "default",
Annotations: map[string]string{},
},
Spec: appsv1.DeploymentSpec{
Template: corev1.PodTemplateSpec{
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: "example",
Image: "nginx",
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
"cpu": resource.MustParse("100m"),
"memory": resource.MustParse("128Mi"),
},
Limits: corev1.ResourceList{
"cpu": resource.MustParse("200m"),
"memory": resource.MustParse("256Mi"),
},
},
},
},
},
},
},
},
)
hpaAnalyzer := HpaAnalyzer{}
Expand Down