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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| package target | ||
|
|
||
| import ( | ||
| "github.com/SocialGouv/oblik/pkg/config" | ||
| "k8s.io/apimachinery/pkg/api/resource" | ||
| vpa "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1" | ||
| ) | ||
|
|
||
| type TargetRecommandation struct { | ||
| Cpu *resource.Quantity | ||
| Memory *resource.Quantity | ||
| ContainerName string | ||
| } | ||
|
|
||
| func getTargetRecommandations(vpaResource *vpa.VerticalPodAutoscaler, vcfg *config.VpaWorkloadCfg) []TargetRecommandation { | ||
| recommandations := []TargetRecommandation{} | ||
| if vpaResource.Status.Recommendation != nil { | ||
| for _, containerRecommendation := range vpaResource.Status.Recommendation.ContainerRecommendations { | ||
| containerName := containerRecommendation.ContainerName | ||
| recommandation := TargetRecommandation{ | ||
| ContainerName: containerName, | ||
| } | ||
| switch vcfg.GetRequestCpuApplyTarget(containerName) { | ||
| case config.ApplyTargetFrugal: | ||
| recommandation.Cpu = containerRecommendation.LowerBound.Cpu() | ||
| case config.ApplyTargetBalanced: | ||
| recommandation.Cpu = containerRecommendation.Target.Cpu() | ||
| case config.ApplyTargetPeak: | ||
| recommandation.Cpu = containerRecommendation.UpperBound.Cpu() | ||
| } | ||
| switch vcfg.GetRequestMemoryApplyTarget(containerName) { | ||
| case config.ApplyTargetFrugal: | ||
| recommandation.Memory = containerRecommendation.LowerBound.Memory() | ||
| case config.ApplyTargetBalanced: | ||
| recommandation.Memory = containerRecommendation.Target.Memory() | ||
| case config.ApplyTargetPeak: | ||
| recommandation.Memory = containerRecommendation.UpperBound.Memory() | ||
| } | ||
| recommandations = append(recommandations, recommandation) | ||
| } | ||
| } | ||
| return recommandations | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package target | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
|
|
||
| "github.com/SocialGouv/oblik/pkg/config" | ||
| "github.com/SocialGouv/oblik/pkg/reporting" | ||
| cnpgv1 "github.com/cloudnative-pg/cloudnative-pg/api/v1" | ||
| jsonpatch "github.com/evanphx/json-patch/v5" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| vpa "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1" | ||
| "k8s.io/client-go/dynamic" | ||
| ) | ||
|
|
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| func UpdateCluster(dynamicClient *dynamic.DynamicClient, vpa *vpa.VerticalPodAutoscaler, vcfg *config.VpaWorkloadCfg) (*reporting.UpdateResult, error) { | ||
| namespace := vpa.Namespace | ||
| targetRef := vpa.Spec.TargetRef | ||
| clusterName := targetRef.Name | ||
|
|
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| gvr := schema.GroupVersionResource{ | ||
| Group: "postgresql.cnpg.io", | ||
| Version: "v1", | ||
| Resource: "clusters", | ||
| } | ||
|
|
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| clusterResource, err := dynamicClient.Resource(gvr).Namespace(namespace).Get(context.TODO(), clusterName, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Error fetching cluster: %s", err.Error()) | ||
| } | ||
|
|
||
| originalClusterJSON, err := json.Marshal(clusterResource) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Error marshalling original cluster: %s", err.Error()) | ||
| } | ||
|
|
||
| var cluster cnpgv1.Cluster | ||
| err = json.Unmarshal(originalClusterJSON, &cluster) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Error unmarshalling cluster: %s", err.Error()) | ||
| } | ||
|
|
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| containers := []corev1.Container{ | ||
| corev1.Container{ | ||
| Name: "postgres", | ||
| Resources: cluster.Spec.Resources, | ||
| }, | ||
| } | ||
| update := updateContainerResources(containers, vpa, vcfg) | ||
| cluster.Spec.Resources = containers[0].Resources | ||
|
|
||
| updatedClusterJSON, err := json.Marshal(cluster) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Error marshalling updated cluster: %s", err.Error()) | ||
| } | ||
|
|
||
| patchBytes, err := jsonpatch.CreateMergePatch(originalClusterJSON, updatedClusterJSON) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Error creating patch: %s", err.Error()) | ||
| } | ||
|
|
||
| if !vcfg.GetDryRun() { | ||
| _, err = dynamicClient.Resource(gvr).Namespace(namespace).Patch(context.TODO(), clusterName, types.MergePatchType, patchBytes, metav1.PatchOptions{ | ||
| FieldManager: FieldManager, | ||
| }) | ||
| if err != nil { | ||
| update.Type = reporting.ResultTypeFailed | ||
| update.Error = err | ||
| return nil, fmt.Errorf("Error applying patch to cluster: %s", err.Error()) | ||
| } | ||
| update.Type = reporting.ResultTypeSuccess | ||
| } else { | ||
| update.Type = reporting.ResultTypeDryRun | ||
| } | ||
| return update, nil | ||
| } |
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