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feature: add Keda integration and ScaledObject analyzer
Signed-off-by: DragonAlex98 <a.antinori@reply.it>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,229 @@ | ||
| package keda | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| v1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
|
|
||
| "github.com/fatih/color" | ||
| "github.com/k8sgpt-ai/k8sgpt/pkg/common" | ||
| "github.com/k8sgpt-ai/k8sgpt/pkg/kubernetes" | ||
| "github.com/kedacore/keda/v2/pkg/generated/clientset/versioned/typed/keda/v1alpha1" | ||
| helmclient "github.com/mittwald/go-helm-client" | ||
| "github.com/spf13/viper" | ||
| "helm.sh/helm/v3/pkg/repo" | ||
| ) | ||
|
|
||
| var ( | ||
| Repo = getEnv("KEDA_REPO", "https://kedacore.github.io/charts") | ||
| Version = getEnv("KEDA_VERSION", "2.11.2") | ||
| ChartName = getEnv("KEDA_CHART_NAME", "keda") | ||
| RepoShortName = getEnv("KEDA_REPO_SHORT_NAME", "keda") | ||
| ReleaseName = getEnv("KEDA_RELEASE_NAME", "keda-k8sgpt") | ||
| ) | ||
|
|
||
| type Keda struct { | ||
| helm helmclient.Client | ||
| } | ||
|
|
||
| func getEnv(key, defaultValue string) string { | ||
| value := os.Getenv(key) | ||
| if value == "" { | ||
| return defaultValue | ||
| } | ||
| return value | ||
| } | ||
|
|
||
| func NewKeda() *Keda { | ||
| helmClient, err := helmclient.New(&helmclient.Options{}) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| return &Keda{ | ||
| helm: helmClient, | ||
| } | ||
| } | ||
|
|
||
| func (k *Keda) Deploy(namespace string) error { | ||
| // Add the repository | ||
| chartRepo := repo.Entry{ | ||
| Name: RepoShortName, | ||
| URL: Repo, | ||
| } | ||
| // Add a chart-repository to the client. | ||
| if err := k.helm.AddOrUpdateChartRepo(chartRepo); err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| chartSpec := helmclient.ChartSpec{ | ||
| ReleaseName: ReleaseName, | ||
| ChartName: fmt.Sprintf("%s/%s", RepoShortName, ChartName), | ||
| Namespace: namespace, | ||
|
|
||
| //TODO: All of this should be configurable | ||
| UpgradeCRDs: true, | ||
| Wait: false, | ||
| Timeout: 300, | ||
| CreateNamespace: true, | ||
| } | ||
|
|
||
| // Install a chart release. | ||
| // Note that helmclient.Options.Namespace should ideally match the namespace in chartSpec.Namespace. | ||
| if _, err := k.helm.InstallOrUpgradeChart(context.Background(), &chartSpec, nil); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (k *Keda) UnDeploy(namespace string) error { | ||
| kubecontext := viper.GetString("kubecontext") | ||
| kubeconfig := viper.GetString("kubeconfig") | ||
| client, err := kubernetes.NewClient(kubecontext, kubeconfig) | ||
| if err != nil { | ||
| // TODO: better error handling | ||
| color.Red("Error initialising kubernetes client: %v", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| kedaNamespace, _ := k.GetNamespace() | ||
| color.Blue(fmt.Sprintf("Keda namespace: %s\n", kedaNamespace)) | ||
|
|
||
| kClient, _ := v1alpha1.NewForConfig(client.Config) | ||
|
|
||
| scaledObjectList, _ := kClient.ScaledObjects("").List(context.Background(), v1.ListOptions{}) | ||
| scaledJobList, _ := kClient.ScaledJobs("").List(context.Background(), v1.ListOptions{}) | ||
| triggerAuthenticationList, _ := kClient.TriggerAuthentications("").List(context.Background(), v1.ListOptions{}) | ||
| clusterTriggerAuthenticationsList, _ := kClient.ClusterTriggerAuthentications().List(context.Background(), v1.ListOptions{}) | ||
|
|
||
| // Before uninstalling the Helm chart, we need to delete Keda resources | ||
| for _, scaledObject := range scaledObjectList.Items { | ||
| err := kClient.ScaledObjects(scaledObject.Namespace).Delete(context.Background(), scaledObject.Name, v1.DeleteOptions{}) | ||
| if err != nil { | ||
| fmt.Printf("Error deleting scaledObject %s: %v\n", scaledObject.Name, err) | ||
| } else { | ||
| fmt.Printf("Deleted scaledObject %s in namespace %s\n", scaledObject.Name, scaledObject.Namespace) | ||
| } | ||
| } | ||
|
|
||
| for _, scaledJob := range scaledJobList.Items { | ||
| err := kClient.ScaledJobs(scaledJob.Namespace).Delete(context.Background(), scaledJob.Name, v1.DeleteOptions{}) | ||
| if err != nil { | ||
| fmt.Printf("Error deleting scaledJob %s: %v\n", scaledJob.Name, err) | ||
| } else { | ||
| fmt.Printf("Deleted scaledJob %s in namespace %s\n", scaledJob.Name, scaledJob.Namespace) | ||
| } | ||
| } | ||
|
|
||
| for _, triggerAuthentication := range triggerAuthenticationList.Items { | ||
| err := kClient.TriggerAuthentications(triggerAuthentication.Namespace).Delete(context.Background(), triggerAuthentication.Name, v1.DeleteOptions{}) | ||
| if err != nil { | ||
| fmt.Printf("Error deleting triggerAuthentication %s: %v\n", triggerAuthentication.Name, err) | ||
| } else { | ||
| fmt.Printf("Deleted triggerAuthentication %s in namespace %s\n", triggerAuthentication.Name, triggerAuthentication.Namespace) | ||
| } | ||
| } | ||
|
|
||
| for _, clusterTriggerAuthentication := range clusterTriggerAuthenticationsList.Items { | ||
| err := kClient.ClusterTriggerAuthentications().Delete(context.Background(), clusterTriggerAuthentication.Name, v1.DeleteOptions{}) | ||
| if err != nil { | ||
| fmt.Printf("Error deleting clusterTriggerAuthentication %s: %v\n", clusterTriggerAuthentication.Name, err) | ||
| } else { | ||
| fmt.Printf("Deleted clusterTriggerAuthentication %s\n", clusterTriggerAuthentication.Name) | ||
| } | ||
| } | ||
|
|
||
| chartSpec := helmclient.ChartSpec{ | ||
| ReleaseName: ReleaseName, | ||
| ChartName: fmt.Sprintf("%s/%s", RepoShortName, ChartName), | ||
| Namespace: namespace, | ||
| UpgradeCRDs: true, | ||
| Wait: false, | ||
| Timeout: 300, | ||
| } | ||
| // Uninstall the chart release. | ||
| // Note that helmclient.Options.Namespace should ideally match the namespace in chartSpec.Namespace. | ||
| if err := k.helm.UninstallRelease(&chartSpec); err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (k *Keda) AddAnalyzer(mergedMap *map[string]common.IAnalyzer) { | ||
| (*mergedMap)["ScaledObject"] = &ScaledObjectAnalyzer{} | ||
| } | ||
|
|
||
| func (k *Keda) GetAnalyzerName() []string { | ||
| return []string{ | ||
| "ScaledObject", | ||
| } | ||
| } | ||
|
|
||
| func (k *Keda) GetNamespace() (string, error) { | ||
| releases, err := k.helm.ListDeployedReleases() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| for _, rel := range releases { | ||
| if rel.Name == ReleaseName { | ||
| return rel.Namespace, nil | ||
| } | ||
| } | ||
| return "", status.Error(codes.NotFound, "keda release not found") | ||
| } | ||
|
|
||
| func (k *Keda) OwnsAnalyzer(analyzer string) bool { | ||
| for _, a := range k.GetAnalyzerName() { | ||
| if analyzer == a { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func (k *Keda) isFilterActive() bool { | ||
| activeFilters := viper.GetStringSlice("active_filters") | ||
|
|
||
| for _, filter := range k.GetAnalyzerName() { | ||
| for _, af := range activeFilters { | ||
| if af == filter { | ||
| return true | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return false | ||
| } | ||
|
|
||
| func (k *Keda) isDeployed() bool { | ||
| kubecontext := viper.GetString("kubecontext") | ||
| kubeconfig := viper.GetString("kubeconfig") | ||
| client, err := kubernetes.NewClient(kubecontext, kubeconfig) | ||
| if err != nil { | ||
| // TODO: better error handling | ||
| color.Red("Error initialising kubernetes client: %v", err) | ||
| os.Exit(1) | ||
| } | ||
| groups, _, err := client.Client.Discovery().ServerGroupsAndResources() | ||
| if err != nil { | ||
| // TODO: better error handling | ||
| color.Red("Error initialising discovery client: %v", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| for _, group := range groups { | ||
| if group.Name == "keda.sh" { | ||
| return true | ||
| } | ||
| } | ||
|
|
||
| return false | ||
| } | ||
|
|
||
| func (k *Keda) IsActivate() bool { | ||
| return k.isFilterActive() && k.isDeployed() | ||
| } |
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