Files
kubescape/clihandler/cmd/framework.go
2021-12-22 16:48:18 +02:00

124 lines
3.3 KiB
Go

package cmd
import (
"fmt"
"io"
"os"
"strings"
"github.com/armosec/kubescape/cautils"
"github.com/armosec/kubescape/cautils/getter"
"github.com/armosec/kubescape/clihandler"
"github.com/armosec/opa-utils/reporthandling"
"github.com/spf13/cobra"
)
var (
frameworkExample = `
# Scan all frameworks and submit the results
kubescape scan --submit
# Scan the NSA framework
kubescape scan framework nsa
# Scan the NSA and MITRE framework
kubescape scan framework nsa,mitre
# Scan kubernetes YAML manifest files
kubescape scan framework nsa *.yaml
# Scan and save the results in the JSON format
kubescape scan --format json --output results.json
# Save scan results in JSON format
kubescape scan --format json --output results.json
# Display all resources
kubescape scan --verbose
`
)
var frameworkCmd = &cobra.Command{
Use: "framework <framework names list> [`<glob pattern>`/`-`] [flags]",
Short: fmt.Sprintf("The framework you wish to use. Supported frameworks: %s", strings.Join(getter.NativeFrameworks, ", ")),
Example: frameworkExample,
Long: "Execute a scan on a running Kubernetes cluster or `yaml`/`json` files (use glob) or `-` for stdin",
ValidArgs: getter.NativeFrameworks,
Args: func(cmd *cobra.Command, args []string) error {
if len(args) > 0 {
frameworks := strings.Split(args[0], ",")
if len(frameworks) > 1 {
if frameworks[1] == "" {
return fmt.Errorf("usage: <framework-0>,<framework-1>")
}
}
} else {
return fmt.Errorf("requires at least one framework name")
}
return nil
},
RunE: func(cmd *cobra.Command, args []string) error {
flagValidationFramework()
var frameworks []string
if len(args) == 0 { // scan all frameworks
frameworks = getter.NativeFrameworks
scanInfo.ScanAll = true
} else {
// Read frameworks from input args
frameworks = strings.Split(args[0], ",")
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.SetPolicyIdentifiers(frameworks, reporthandling.KindFramework)
scanInfo.Init()
cautils.SetSilentMode(scanInfo.Silent)
err := clihandler.ScanCliSetup(&scanInfo)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n\n", err)
os.Exit(1)
}
return nil
},
}
func init() {
scanCmd.AddCommand(frameworkCmd)
scanInfo = cautils.ScanInfo{}
scanInfo.FrameworkScan = true
}
// func SetScanForFirstFramework(frameworks []string) []reporthandling.PolicyIdentifier {
// newPolicy := reporthandling.PolicyIdentifier{}
// newPolicy.Kind = reporthandling.KindFramework
// newPolicy.Name = frameworks[0]
// scanInfo.PolicyIdentifier = append(scanInfo.PolicyIdentifier, newPolicy)
// return scanInfo.PolicyIdentifier
// }
func flagValidationFramework() {
if scanInfo.Submit && scanInfo.Local {
fmt.Println("You can use `keep-local` or `submit`, but not both")
os.Exit(1)
}
if 100 < scanInfo.FailThreshold {
fmt.Println("bad argument: out of range threshold")
os.Exit(1)
}
}