Files
kubeshark/cli/cmd/tap.go
2021-06-08 11:17:02 +03:00

58 lines
2.0 KiB
Go

package cmd
import (
"errors"
"fmt"
"github.com/up9inc/mizu/cli/mizu"
"regexp"
"github.com/spf13/cobra"
)
type MizuTapOptions struct {
GuiPort uint16
Namespace string
AllNamespaces bool
KubeConfigPath string
MizuImage string
MizuPodPort uint16
PlainTextFilterRegexes []string
}
var mizuTapOptions = &MizuTapOptions{}
var tapCmd = &cobra.Command{
Use: "tap [POD REGEX]",
Short: "Record ingoing traffic of a kubernetes pod",
Long: `Record the ingoing traffic of a kubernetes pod.
Supported protocols are HTTP and gRPC.`,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("POD REGEX argument is required")
} else if len(args) > 1 {
return errors.New("unexpected number of arguments")
}
regex, err := regexp.Compile(args[0])
if err != nil {
return errors.New(fmt.Sprintf("%s is not a valid regex %s", args[0], err))
}
RunMizuTap(regex, mizuTapOptions)
return nil
},
}
func init() {
rootCmd.AddCommand(tapCmd)
tapCmd.Flags().Uint16VarP(&mizuTapOptions.GuiPort, "gui-port", "p", 8899, "Provide a custom port for the web interface webserver")
tapCmd.Flags().StringVarP(&mizuTapOptions.Namespace, "namespace", "n", "", "Namespace selector")
tapCmd.Flags().BoolVarP(&mizuTapOptions.AllNamespaces, "all-namespaces", "A", false, "Tap all namespaces")
tapCmd.Flags().StringVarP(&mizuTapOptions.KubeConfigPath, "kube-config", "k", "", "Path to kube-config file")
tapCmd.Flags().StringVarP(&mizuTapOptions.MizuImage, "mizu-image", "", fmt.Sprintf("gcr.io/up9-docker-hub/mizu/%s:latest", mizu.Branch), "Custom image for mizu collector")
tapCmd.Flags().Uint16VarP(&mizuTapOptions.MizuPodPort, "mizu-port", "", 8899, "Port which mizu cli will attempt to forward from the mizu collector pod")
tapCmd.Flags().StringArrayVarP(&mizuTapOptions.PlainTextFilterRegexes, "regex-masking", "r", nil, "List of regex expressions that are used to filter matching values from text/plain http bodies")
}