Files
kubescape/cmd/scan/control.go
2022-03-13 18:14:48 +02:00

124 lines
3.6 KiB
Go

package scan
import (
"fmt"
"io"
"os"
"strings"
"github.com/armosec/kubescape/core/cautils"
"github.com/armosec/kubescape/core/cautils/logger"
"github.com/armosec/kubescape/core/meta"
"github.com/armosec/opa-utils/reporthandling"
"github.com/spf13/cobra"
)
var (
controlExample = `
# Scan the 'privileged container' control
kubescape scan control "privileged container"
# Scan list of controls separated with a comma
kubescape scan control "privileged container","allowed hostpath"
# Scan list of controls using the control ID separated with a comma
kubescape scan control C-0058,C-0057
Run 'kubescape list controls' for the list of supported controls
Control documentation:
https://hub.armo.cloud/docs/controls
`
)
// controlCmd represents the control command
func getControlCmd(ks meta.IKubescape, scanInfo *cautils.ScanInfo) *cobra.Command {
return &cobra.Command{
Use: "control <control names list>/<control ids list>",
Short: "The controls you wish to use. Run 'kubescape list controls' for the list of supported controls",
Example: controlExample,
Args: func(cmd *cobra.Command, args []string) error {
if len(args) > 0 {
controls := strings.Split(args[0], ",")
if len(controls) > 1 {
for _, control := range controls {
if control == "" {
return fmt.Errorf("usage: <control-0>,<control-1>")
}
}
}
} else {
return fmt.Errorf("requires at least one control name")
}
return nil
},
RunE: func(cmd *cobra.Command, args []string) error {
// flagValidationControl(scanInfo)
scanInfo.PolicyIdentifier = []reporthandling.PolicyIdentifier{}
if len(args) == 0 {
scanInfo.ScanAll = true
} else { // expected control or list of control sepparated by ","
// Read controls from input args
scanInfo.SetPolicyIdentifiers(strings.Split(args[0], ","), reporthandling.KindControl)
if len(args) > 1 {
if len(args[1:]) == 0 || args[1] != "-" {
scanInfo.InputPatterns = args[1:]
} else { // store stdin to file - do NOT move to separate function !!
tempFile, err := os.CreateTemp(".", "tmp-kubescape*.yaml")
if err != nil {
return err
}
defer os.Remove(tempFile.Name())
if _, err := io.Copy(tempFile, os.Stdin); err != nil {
return err
}
scanInfo.InputPatterns = []string{tempFile.Name()}
}
}
}
scanInfo.FrameworkScan = false
results, err := ks.Scan(scanInfo)
if err != nil {
logger.L().Fatal(err.Error())
}
results.HandleResults()
if results.GetRiskScore() > float32(scanInfo.FailThreshold) {
return fmt.Errorf("scan risk-score %.2f is above permitted threshold %.2f", results.GetRiskScore(), scanInfo.FailThreshold)
}
return nil
},
}
}
// func flagValidationControl() {
// if 100 < scanInfo.FailThreshold {
// logger.L().Fatal("bad argument: out of range threshold")
// }
// }
// func setScanForFirstControl(scanInfo, controls []string) []reporthandling.PolicyIdentifier {
// newPolicy := reporthandling.PolicyIdentifier{}
// newPolicy.Kind = reporthandling.KindControl
// newPolicy.Name = controls[0]
// scanInfo.PolicyIdentifier = append(scanInfo.PolicyIdentifier, newPolicy)
// return scanInfo.PolicyIdentifier
// }
// func SetScanForGivenControls(scanInfo, controls []string) []reporthandling.PolicyIdentifier {
// for _, control := range controls {
// control := strings.TrimLeft(control, " ")
// newPolicy := reporthandling.PolicyIdentifier{}
// newPolicy.Kind = reporthandling.KindControl
// newPolicy.Name = control
// scanInfo.PolicyIdentifier = append(scanInfo.PolicyIdentifier, newPolicy)
// }
// return scanInfo.PolicyIdentifier
// }