mirror of
https://github.com/kubescape/kubescape.git
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125 lines
3.8 KiB
Go
125 lines
3.8 KiB
Go
package scan
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/kubescape/go-logger"
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"github.com/kubescape/kubescape/v3/core/cautils"
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"github.com/kubescape/kubescape/v3/core/meta"
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v1 "github.com/kubescape/opa-utils/httpserver/apis/v1"
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"github.com/kubescape/opa-utils/objectsenvelopes"
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"github.com/spf13/cobra"
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)
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var (
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workloadExample = fmt.Sprintf(`
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Scan a workload for misconfigurations and image vulnerabilities.
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# Scan an workload
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%[1]s scan workload <kind>/<name>
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# Scan an workload in a specific namespace
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%[1]s scan workload <kind>/<name> --namespace <namespace>
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# Scan an workload from a file path
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%[1]s scan workload <kind>/<name> --file-path <file path>
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# Scan an workload from a helm-chart template
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%[1]s scan workload <kind>/<name> --chart-path <chart path> --file-path <file path>
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`, cautils.ExecName())
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ErrInvalidWorkloadIdentifier = errors.New("invalid workload identifier")
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)
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var namespace string
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// controlCmd represents the control command
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func getWorkloadCmd(ks meta.IKubescape, scanInfo *cautils.ScanInfo) *cobra.Command {
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workloadCmd := &cobra.Command{
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Use: "workload <kind>/<name> [`<glob pattern>`/`-`] [flags]",
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Short: "Scan a workload for misconfigurations and image vulnerabilities",
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Example: workloadExample,
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Args: func(cmd *cobra.Command, args []string) error {
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if len(args) != 1 {
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return fmt.Errorf("usage: <kind>/<name> [`<glob pattern>`/`-`] [flags]")
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}
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// Looks strange, a bug maybe????
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if scanInfo.ChartPath != "" && scanInfo.FilePath == "" {
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return fmt.Errorf("usage: --chart-path <chart path> --file-path <file path>")
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}
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return validateWorkloadIdentifier(args[0])
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},
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RunE: func(cmd *cobra.Command, args []string) error {
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kind, name, err := parseWorkloadIdentifierString(args[0])
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if err != nil {
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return fmt.Errorf("invalid input: %s", err.Error())
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}
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setWorkloadScanInfo(scanInfo, kind, name)
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// todo: add api version if provided
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results, err := ks.Scan(scanInfo)
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if err != nil {
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logger.L().Fatal(err.Error())
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}
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if err = results.HandleResults(ks.Context(), scanInfo); err != nil {
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logger.L().Fatal(err.Error())
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}
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enforceSeverityThresholds(results.GetData().Report.SummaryDetails.GetResourcesSeverityCounters(), scanInfo, terminateOnExceedingSeverity)
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return nil
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},
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}
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workloadCmd.PersistentFlags().StringVarP(&namespace, "namespace", "n", "", "Namespace of the workload. Default will be empty.")
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workloadCmd.PersistentFlags().StringVar(&scanInfo.FilePath, "file-path", "", "Path to the workload file.")
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workloadCmd.PersistentFlags().StringVar(&scanInfo.ChartPath, "chart-path", "", "Path to the helm chart the workload is part of. Must be used with --file-path.")
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return workloadCmd
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}
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func setWorkloadScanInfo(scanInfo *cautils.ScanInfo, kind string, name string) {
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scanInfo.SetScanType(cautils.ScanTypeWorkload)
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scanInfo.ScanImages = true
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scanInfo.ScanObject = &objectsenvelopes.ScanObject{}
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scanInfo.ScanObject.SetNamespace(namespace)
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scanInfo.ScanObject.SetKind(kind)
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scanInfo.ScanObject.SetName(name)
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scanInfo.SetPolicyIdentifiers([]string{"workloadscan", "allcontrols"}, v1.KindFramework)
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if scanInfo.FilePath != "" {
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scanInfo.InputPatterns = []string{scanInfo.FilePath}
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}
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}
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func validateWorkloadIdentifier(workloadIdentifier string) error {
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// workloadIdentifier is in the form of kind/name
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x := strings.Split(workloadIdentifier, "/")
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if len(x) != 2 || x[0] == "" || x[1] == "" {
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return ErrInvalidWorkloadIdentifier
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}
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return nil
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}
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func parseWorkloadIdentifierString(workloadIdentifier string) (kind, name string, err error) {
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// workloadIdentifier is in the form of namespace/kind/name
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// example: default/Deployment/nginx-deployment
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x := strings.Split(workloadIdentifier, "/")
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if len(x) != 2 {
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return "", "", ErrInvalidWorkloadIdentifier
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}
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return x[0], x[1], nil
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}
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