mirror of
https://github.com/kubescape/kubescape.git
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78 lines
3.0 KiB
Go
78 lines
3.0 KiB
Go
package resourcehandler
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import (
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"context"
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"fmt"
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"github.com/kubescape/go-logger"
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"github.com/kubescape/go-logger/helpers"
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cloudsupportv1 "github.com/kubescape/k8s-interface/cloudsupport/v1"
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"github.com/kubescape/k8s-interface/k8sinterface"
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"github.com/kubescape/kubescape/v3/core/cautils"
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"github.com/kubescape/opa-utils/reporthandling/apis"
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helpersv1 "github.com/kubescape/opa-utils/reporthandling/helpers/v1"
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reportv2 "github.com/kubescape/opa-utils/reporthandling/v2"
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"go.opentelemetry.io/otel"
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)
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func CollectResources(ctx context.Context, rsrcHandler IResourceHandler, opaSessionObj *cautils.OPASessionObj, scanInfo *cautils.ScanInfo) error {
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ctx, span := otel.Tracer("").Start(ctx, "resourcehandler.CollectResources")
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defer span.End()
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opaSessionObj.Report.ClusterAPIServerInfo = rsrcHandler.GetClusterAPIServerInfo(ctx)
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// set cloud metadata only when scanning a cluster
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if rsrcHandler.GetCloudProvider() != "" {
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setCloudMetadata(opaSessionObj, rsrcHandler.GetCloudProvider())
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}
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resourcesMap, allResources, externalResources, excludedRulesMap, err := rsrcHandler.GetResources(ctx, opaSessionObj, scanInfo)
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if err != nil {
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return err
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}
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opaSessionObj.K8SResources = resourcesMap
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opaSessionObj.AllResources = allResources
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opaSessionObj.ExternalResources = externalResources
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opaSessionObj.ExcludedRules = excludedRulesMap
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if len(opaSessionObj.K8SResources) == 0 && len(opaSessionObj.ExternalResources) == 0 || len(opaSessionObj.AllResources) == 0 {
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return fmt.Errorf("no resources found to scan")
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}
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return nil
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}
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func setCloudMetadata(opaSessionObj *cautils.OPASessionObj, provider string) {
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iCloudMetadata := newCloudMetadata(provider)
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if iCloudMetadata == nil {
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return
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}
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cloudMetadata := reportv2.NewCloudMetadata(iCloudMetadata)
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if opaSessionObj.Metadata.ContextMetadata.ClusterContextMetadata == nil {
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opaSessionObj.Metadata.ContextMetadata.ClusterContextMetadata = &reportv2.ClusterMetadata{}
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}
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opaSessionObj.Metadata.ContextMetadata.ClusterContextMetadata.CloudMetadata = cloudMetadata
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opaSessionObj.Metadata.ClusterMetadata.CloudMetadata = cloudMetadata // deprecated - fallback
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opaSessionObj.Report.ClusterCloudProvider = iCloudMetadata.Provider().ToString() // deprecated - fallback
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logger.L().Debug("Cloud metadata", helpers.String("provider", iCloudMetadata.Provider().ToString()), helpers.String("name", iCloudMetadata.GetName()))
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}
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// getCloudMetadata - get cloud metadata from kubeconfig or API server
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// There are 3 options:
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// 1. Get cloud provider from API server git version (EKS, GKE)
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// 2. Get cloud provider from kubeconfig by parsing the cluster context (EKS, GKE)
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// 3. Get cloud provider from kubeconfig by parsing the server URL (AKS)
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func newCloudMetadata(provider string) apis.ICloudParser {
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switch provider {
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case cloudsupportv1.AKS:
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return helpersv1.NewAKSMetadata(k8sinterface.GetContextName())
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case cloudsupportv1.EKS:
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return helpersv1.NewEKSMetadata(k8sinterface.GetContextName())
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case cloudsupportv1.GKE:
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return helpersv1.NewGKEMetadata(k8sinterface.GetContextName())
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default:
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return nil
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}
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}
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