mirror of
https://github.com/aquasecurity/kube-bench.git
synced 2024-11-12 10:49:07 +00:00
114 lines
2.2 KiB
Go
114 lines
2.2 KiB
Go
package cmd
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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"github.com/aquasecurity/kube-bench/check"
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"github.com/fatih/color"
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)
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var (
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// Print colors
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colors = map[check.State]*color.Color{
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check.PASS: color.New(color.FgGreen),
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check.FAIL: color.New(color.FgRed),
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check.WARN: color.New(color.FgYellow),
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check.INFO: color.New(color.FgBlue),
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}
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)
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func handleError(err error, context string) (errmsg string) {
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if err != nil {
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errmsg = fmt.Sprintf("%s, error: %s\n", context, err)
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}
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return
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}
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func cleanIDs(list string) []string {
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list = strings.Trim(list, ",")
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ids := strings.Split(list, ",")
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for _, id := range ids {
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id = strings.Trim(id, " ")
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}
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return ids
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}
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func verifyConf(confPath ...string) []string {
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var w []string
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for _, c := range confPath {
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if _, err := os.Stat(c); err != nil && os.IsNotExist(err) {
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w = append(w, fmt.Sprintf("config file %s does not exist\n", c))
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}
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}
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return w
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}
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func verifyBin(binPath ...string) []string {
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var w []string
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var binList string
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// Construct proc name for ps(1)
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for _, b := range binPath {
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binList += b + ","
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_, err := exec.LookPath(b)
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errmsgs += handleError(
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err,
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fmt.Sprintf("%s: command not found in path", b),
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)
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}
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binList = strings.Trim(binList, ",")
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// Run ps command
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cmd := exec.Command("ps", "-C", binList, "-o", "cmd", "--no-headers")
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out, err := cmd.Output()
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errmsgs += handleError(
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err,
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fmt.Sprintf("failed to run: %s", cmd.Args),
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)
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// Actual verification
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for _, b := range binPath {
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matched := strings.Contains(string(out), b)
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if !matched {
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w = append(w, fmt.Sprintf("%s is not running\n", b))
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}
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}
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return w
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}
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func verifyKubeVersion(b string) []string {
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// These executables might not be on the user's path.
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// TODO! Check the version number using kubectl, which is more likely to be on the path.
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var w []string
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_, err := exec.LookPath(b)
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errmsgs += handleError(
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err,
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fmt.Sprintf("%s: command not found on path - version check skipped", b),
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)
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// Check version
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cmd := exec.Command(b, "--version")
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out, err := cmd.Output()
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errmsgs += handleError(
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err,
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fmt.Sprintf("failed to run:%s", cmd.Args),
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)
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matched := strings.Contains(string(out), kubeVersion)
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if !matched {
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w = append(w, fmt.Sprintf("%s unsupported version\n", b))
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}
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return w
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}
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