Files
kubescape/core/pkg/policyhandler/handlenotification.go
2022-03-21 09:08:01 +02:00

93 lines
3.4 KiB
Go

package policyhandler
import (
"fmt"
"github.com/armosec/k8s-interface/k8sinterface"
"github.com/armosec/kubescape/core/cautils"
"github.com/armosec/kubescape/core/pkg/resourcehandler"
"github.com/armosec/opa-utils/reporthandling"
)
// PolicyHandler -
type PolicyHandler struct {
resourceHandler resourcehandler.IResourceHandler
// we are listening on this chan in opaprocessor/processorhandler.go/ProcessRulesListenner func
getters *cautils.Getters
}
// CreatePolicyHandler Create ws-handler obj
func NewPolicyHandler(resourceHandler resourcehandler.IResourceHandler) *PolicyHandler {
return &PolicyHandler{
resourceHandler: resourceHandler,
}
}
func (policyHandler *PolicyHandler) CollectResources(notification *reporthandling.PolicyNotification, scanInfo *cautils.ScanInfo) (*cautils.OPASessionObj, error) {
opaSessionObj := cautils.NewOPASessionObj(nil, nil)
// validate notification
// TODO
policyHandler.getters = &scanInfo.Getters
// get policies
if err := policyHandler.getPolicies(notification, opaSessionObj); err != nil {
return opaSessionObj, err
}
err := policyHandler.getResources(notification, opaSessionObj, scanInfo)
if err != nil {
return opaSessionObj, err
}
if opaSessionObj.K8SResources == nil || len(*opaSessionObj.K8SResources) == 0 {
return opaSessionObj, fmt.Errorf("empty list of resources")
}
// update channel
return opaSessionObj, nil
}
func (policyHandler *PolicyHandler) getResources(notification *reporthandling.PolicyNotification, opaSessionObj *cautils.OPASessionObj, scanInfo *cautils.ScanInfo) error {
opaSessionObj.Report.ClusterAPIServerInfo = policyHandler.resourceHandler.GetClusterAPIServerInfo()
scanInfoToScanMetadata(opaSessionObj, scanInfo)
resourcesMap, allResources, armoResources, err := policyHandler.resourceHandler.GetResources(opaSessionObj, &notification.Designators)
if err != nil {
return err
}
opaSessionObj.K8SResources = resourcesMap
opaSessionObj.AllResources = allResources
opaSessionObj.ArmoResource = armoResources
return nil
}
func scanInfoToScanMetadata(opaSessionObj *cautils.OPASessionObj, scanInfo *cautils.ScanInfo) {
opaSessionObj.Metadata.ClusterMetadata.ContextName = k8sinterface.GetClusterName()
opaSessionObj.Metadata.ScanMetadata.Format = scanInfo.Format
opaSessionObj.Metadata.ScanMetadata.Submit = scanInfo.Submit
// TODO - Add excluded and included namespaces
// if len(scanInfo.ExcludedNamespaces) > 1 {
// opaSessionObj.Metadata.ScanMetadata.ExcludedNamespaces = strings.Split(scanInfo.ExcludedNamespaces[1:], ",")
// }
// if len(scanInfo.IncludeNamespaces) > 1 {
// opaSessionObj.Metadata.ScanMetadata.IncludeNamespaces = strings.Split(scanInfo.IncludeNamespaces[1:], ",")
// }
// scan type
if len(scanInfo.PolicyIdentifier) > 0 {
opaSessionObj.Metadata.ScanMetadata.TargetType = string(scanInfo.PolicyIdentifier[0].Kind)
}
// append frameworks
for _, policy := range scanInfo.PolicyIdentifier {
opaSessionObj.Metadata.ScanMetadata.TargetNames = append(opaSessionObj.Metadata.ScanMetadata.TargetNames, policy.Name)
}
opaSessionObj.Metadata.ScanMetadata.VerboseMode = scanInfo.VerboseMode
opaSessionObj.Metadata.ScanMetadata.FailThreshold = scanInfo.FailThreshold
opaSessionObj.Metadata.ScanMetadata.HostScanner = scanInfo.HostSensorEnabled.GetBool()
opaSessionObj.Metadata.ScanMetadata.VerboseMode = scanInfo.VerboseMode
opaSessionObj.Metadata.ScanMetadata.ControlsInputs = scanInfo.ControlsInputs
}