crowdsec/cmd/crowdsec-cli/hubtest.go

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package main
import (
"encoding/json"
"fmt"
"math"
"os"
"path/filepath"
"strings"
"text/template"
"github.com/AlecAivazis/survey/v2"
"github.com/enescakir/emoji"
"github.com/fatih/color"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
"github.com/crowdsecurity/crowdsec/pkg/dumps"
"github.com/crowdsecurity/crowdsec/pkg/hubtest"
)
var HubTest hubtest.HubTest
var HubAppsecTests hubtest.HubTest
var hubPtr *hubtest.HubTest
var isAppsecTest bool
type cliHubTest struct{}
func NewCLIHubTest() *cliHubTest {
return &cliHubTest{}
}
func (cli cliHubTest) NewCommand() *cobra.Command {
var hubPath string
var crowdsecPath string
var cscliPath string
cmd := &cobra.Command{
2022-05-24 13:46:48 +00:00
Use: "hubtest",
Short: "Run functional tests on hub configurations",
Long: "Run functional tests on hub configurations (parsers, scenarios, collections...)",
Args: cobra.ExactArgs(0),
DisableAutoGenTag: true,
PersistentPreRunE: func(_ *cobra.Command, _ []string) error {
var err error
HubTest, err = hubtest.NewHubTest(hubPath, crowdsecPath, cscliPath, false)
if err != nil {
return fmt.Errorf("unable to load hubtest: %+v", err)
}
HubAppsecTests, err = hubtest.NewHubTest(hubPath, crowdsecPath, cscliPath, true)
if err != nil {
return fmt.Errorf("unable to load appsec specific hubtest: %+v", err)
}
/*commands will use the hubPtr, will point to the default hubTest object, or the one dedicated to appsec tests*/
hubPtr = &HubTest
if isAppsecTest {
hubPtr = &HubAppsecTests
}
return nil
},
}
cmd.PersistentFlags().StringVar(&hubPath, "hub", ".", "Path to hub folder")
cmd.PersistentFlags().StringVar(&crowdsecPath, "crowdsec", "crowdsec", "Path to crowdsec")
cmd.PersistentFlags().StringVar(&cscliPath, "cscli", "cscli", "Path to cscli")
cmd.PersistentFlags().BoolVar(&isAppsecTest, "appsec", false, "Command relates to appsec tests")
cmd.AddCommand(cli.NewCreateCmd())
cmd.AddCommand(cli.NewRunCmd())
cmd.AddCommand(cli.NewCleanCmd())
cmd.AddCommand(cli.NewInfoCmd())
cmd.AddCommand(cli.NewListCmd())
cmd.AddCommand(cli.NewCoverageCmd())
cmd.AddCommand(cli.NewEvalCmd())
cmd.AddCommand(cli.NewExplainCmd())
return cmd
}
func (cli cliHubTest) NewCreateCmd() *cobra.Command {
parsers := []string{}
postoverflows := []string{}
scenarios := []string{}
var ignoreParsers bool
var labels map[string]string
var logType string
cmd := &cobra.Command{
Use: "create",
Short: "create [test_name]",
Example: `cscli hubtest create my-awesome-test --type syslog
cscli hubtest create my-nginx-custom-test --type nginx
cscli hubtest create my-scenario-test --parsers crowdsecurity/nginx --scenarios crowdsecurity/http-probing`,
Args: cobra.ExactArgs(1),
DisableAutoGenTag: true,
RunE: func(_ *cobra.Command, args []string) error {
testName := args[0]
testPath := filepath.Join(hubPtr.HubTestPath, testName)
if _, err := os.Stat(testPath); os.IsExist(err) {
return fmt.Errorf("test '%s' already exists in '%s', exiting", testName, testPath)
}
if isAppsecTest {
logType = "appsec"
}
if logType == "" {
return fmt.Errorf("please provide a type (--type) for the test")
}
if err := os.MkdirAll(testPath, os.ModePerm); err != nil {
return fmt.Errorf("unable to create folder '%s': %+v", testPath, err)
}
configFilePath := filepath.Join(testPath, "config.yaml")
configFileData := &hubtest.HubTestItemConfig{}
if logType == "appsec" {
//create empty nuclei template file
nucleiFileName := fmt.Sprintf("%s.yaml", testName)
nucleiFilePath := filepath.Join(testPath, nucleiFileName)
nucleiFile, err := os.OpenFile(nucleiFilePath, os.O_RDWR|os.O_CREATE, 0755)
if err != nil {
return err
}
ntpl := template.Must(template.New("nuclei").Parse(hubtest.TemplateNucleiFile))
if ntpl == nil {
return fmt.Errorf("unable to parse nuclei template")
}
ntpl.ExecuteTemplate(nucleiFile, "nuclei", struct{ TestName string }{TestName: testName})
nucleiFile.Close()
configFileData.AppsecRules = []string{"./appsec-rules/<author>/your_rule_here.yaml"}
configFileData.NucleiTemplate = nucleiFileName
fmt.Println()
fmt.Printf(" Test name : %s\n", testName)
fmt.Printf(" Test path : %s\n", testPath)
fmt.Printf(" Config File : %s\n", configFilePath)
fmt.Printf(" Nuclei Template : %s\n", nucleiFilePath)
} else {
// create empty log file
logFileName := fmt.Sprintf("%s.log", testName)
logFilePath := filepath.Join(testPath, logFileName)
logFile, err := os.Create(logFilePath)
if err != nil {
return err
}
logFile.Close()
// create empty parser assertion file
parserAssertFilePath := filepath.Join(testPath, hubtest.ParserAssertFileName)
parserAssertFile, err := os.Create(parserAssertFilePath)
if err != nil {
return err
}
parserAssertFile.Close()
// create empty scenario assertion file
scenarioAssertFilePath := filepath.Join(testPath, hubtest.ScenarioAssertFileName)
scenarioAssertFile, err := os.Create(scenarioAssertFilePath)
if err != nil {
return err
}
scenarioAssertFile.Close()
parsers = append(parsers, "crowdsecurity/syslog-logs")
parsers = append(parsers, "crowdsecurity/dateparse-enrich")
if len(scenarios) == 0 {
scenarios = append(scenarios, "")
}
if len(postoverflows) == 0 {
postoverflows = append(postoverflows, "")
}
configFileData.Parsers = parsers
configFileData.Scenarios = scenarios
configFileData.PostOverflows = postoverflows
configFileData.LogFile = logFileName
configFileData.LogType = logType
configFileData.IgnoreParsers = ignoreParsers
configFileData.Labels = labels
fmt.Println()
fmt.Printf(" Test name : %s\n", testName)
fmt.Printf(" Test path : %s\n", testPath)
fmt.Printf(" Log file : %s (please fill it with logs)\n", logFilePath)
fmt.Printf(" Parser assertion file : %s (please fill it with assertion)\n", parserAssertFilePath)
fmt.Printf(" Scenario assertion file : %s (please fill it with assertion)\n", scenarioAssertFilePath)
fmt.Printf(" Configuration File : %s (please fill it with parsers, scenarios...)\n", configFilePath)
}
fd, err := os.Create(configFilePath)
if err != nil {
return fmt.Errorf("open: %s", err)
}
data, err := yaml.Marshal(configFileData)
if err != nil {
return fmt.Errorf("marshal: %s", err)
}
_, err = fd.Write(data)
if err != nil {
return fmt.Errorf("write: %s", err)
}
if err := fd.Close(); err != nil {
return fmt.Errorf("close: %s", err)
}
return nil
},
}
cmd.PersistentFlags().StringVarP(&logType, "type", "t", "", "Log type of the test")
cmd.Flags().StringSliceVarP(&parsers, "parsers", "p", parsers, "Parsers to add to test")
cmd.Flags().StringSliceVar(&postoverflows, "postoverflows", postoverflows, "Postoverflows to add to test")
cmd.Flags().StringSliceVarP(&scenarios, "scenarios", "s", scenarios, "Scenarios to add to test")
cmd.PersistentFlags().BoolVar(&ignoreParsers, "ignore-parsers", false, "Don't run test on parsers")
return cmd
}
func (cli cliHubTest) NewRunCmd() *cobra.Command {
var noClean bool
var runAll bool
var forceClean bool
var NucleiTargetHost string
var AppSecHost string
var cmd = &cobra.Command{
Use: "run",
Short: "run [test_name]",
DisableAutoGenTag: true,
RunE: func(cmd *cobra.Command, args []string) error {
if !runAll && len(args) == 0 {
printHelp(cmd)
return fmt.Errorf("please provide test to run or --all flag")
}
hubPtr.NucleiTargetHost = NucleiTargetHost
hubPtr.AppSecHost = AppSecHost
if runAll {
if err := hubPtr.LoadAllTests(); err != nil {
return fmt.Errorf("unable to load all tests: %+v", err)
}
} else {
for _, testName := range args {
_, err := hubPtr.LoadTestItem(testName)
if err != nil {
return fmt.Errorf("unable to load test '%s': %s", testName, err)
}
}
}
// set timezone to avoid DST issues
os.Setenv("TZ", "UTC")
for _, test := range hubPtr.Tests {
if csConfig.Cscli.Output == "human" {
log.Infof("Running test '%s'", test.Name)
}
err := test.Run()
if err != nil {
log.Errorf("running test '%s' failed: %+v", test.Name, err)
}
}
return nil
},
PersistentPostRunE: func(_ *cobra.Command, _ []string) error {
success := true
testResult := make(map[string]bool)
for _, test := range hubPtr.Tests {
if test.AutoGen && !isAppsecTest {
if test.ParserAssert.AutoGenAssert {
log.Warningf("Assert file '%s' is empty, generating assertion:", test.ParserAssert.File)
fmt.Println()
fmt.Println(test.ParserAssert.AutoGenAssertData)
}
if test.ScenarioAssert.AutoGenAssert {
log.Warningf("Assert file '%s' is empty, generating assertion:", test.ScenarioAssert.File)
fmt.Println()
fmt.Println(test.ScenarioAssert.AutoGenAssertData)
}
if !noClean {
if err := test.Clean(); err != nil {
return fmt.Errorf("unable to clean test '%s' env: %s", test.Name, err)
}
}
fmt.Printf("\nPlease fill your assert file(s) for test '%s', exiting\n", test.Name)
os.Exit(1)
}
testResult[test.Name] = test.Success
if test.Success {
if csConfig.Cscli.Output == "human" {
log.Infof("Test '%s' passed successfully (%d assertions)\n", test.Name, test.ParserAssert.NbAssert+test.ScenarioAssert.NbAssert)
}
if !noClean {
if err := test.Clean(); err != nil {
return fmt.Errorf("unable to clean test '%s' env: %s", test.Name, err)
}
}
} else {
success = false
cleanTestEnv := false
if csConfig.Cscli.Output == "human" {
if len(test.ParserAssert.Fails) > 0 {
fmt.Println()
log.Errorf("Parser test '%s' failed (%d errors)\n", test.Name, len(test.ParserAssert.Fails))
for _, fail := range test.ParserAssert.Fails {
fmt.Printf("(L.%d) %s => %s\n", fail.Line, emoji.RedCircle, fail.Expression)
fmt.Printf(" Actual expression values:\n")
for key, value := range fail.Debug {
fmt.Printf(" %s = '%s'\n", key, strings.TrimSuffix(value, "\n"))
}
fmt.Println()
}
}
if len(test.ScenarioAssert.Fails) > 0 {
fmt.Println()
log.Errorf("Scenario test '%s' failed (%d errors)\n", test.Name, len(test.ScenarioAssert.Fails))
for _, fail := range test.ScenarioAssert.Fails {
fmt.Printf("(L.%d) %s => %s\n", fail.Line, emoji.RedCircle, fail.Expression)
fmt.Printf(" Actual expression values:\n")
for key, value := range fail.Debug {
fmt.Printf(" %s = '%s'\n", key, strings.TrimSuffix(value, "\n"))
}
fmt.Println()
}
}
if !forceClean && !noClean {
prompt := &survey.Confirm{
Message: fmt.Sprintf("\nDo you want to remove runtime folder for test '%s'? (default: Yes)", test.Name),
Default: true,
}
if err := survey.AskOne(prompt, &cleanTestEnv); err != nil {
return fmt.Errorf("unable to ask to remove runtime folder: %s", err)
}
}
}
if cleanTestEnv || forceClean {
if err := test.Clean(); err != nil {
return fmt.Errorf("unable to clean test '%s' env: %s", test.Name, err)
}
}
}
}
switch csConfig.Cscli.Output {
case "human":
hubTestResultTable(color.Output, testResult)
case "json":
jsonResult := make(map[string][]string, 0)
jsonResult["success"] = make([]string, 0)
jsonResult["fail"] = make([]string, 0)
for testName, success := range testResult {
if success {
jsonResult["success"] = append(jsonResult["success"], testName)
} else {
jsonResult["fail"] = append(jsonResult["fail"], testName)
}
}
jsonStr, err := json.Marshal(jsonResult)
if err != nil {
return fmt.Errorf("unable to json test result: %s", err)
}
fmt.Println(string(jsonStr))
default:
return fmt.Errorf("only human/json output modes are supported")
}
if !success {
os.Exit(1)
}
return nil
},
}
cmd.Flags().BoolVar(&noClean, "no-clean", false, "Don't clean runtime environment if test succeed")
cmd.Flags().BoolVar(&forceClean, "clean", false, "Clean runtime environment if test fail")
cmd.Flags().StringVar(&NucleiTargetHost, "target", hubtest.DefaultNucleiTarget, "Target for AppSec Test")
cmd.Flags().StringVar(&AppSecHost, "host", hubtest.DefaultAppsecHost, "Address to expose AppSec for hubtest")
cmd.Flags().BoolVar(&runAll, "all", false, "Run all tests")
return cmd
}
func (cli cliHubTest) NewCleanCmd() *cobra.Command {
var cmd = &cobra.Command{
Use: "clean",
Short: "clean [test_name]",
Args: cobra.MinimumNArgs(1),
DisableAutoGenTag: true,
RunE: func(_ *cobra.Command, args []string) error {
for _, testName := range args {
test, err := hubPtr.LoadTestItem(testName)
if err != nil {
return fmt.Errorf("unable to load test '%s': %s", testName, err)
}
if err := test.Clean(); err != nil {
return fmt.Errorf("unable to clean test '%s' env: %s", test.Name, err)
}
}
return nil
},
}
return cmd
}
func (cli cliHubTest) NewInfoCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "info",
Short: "info [test_name]",
Args: cobra.MinimumNArgs(1),
DisableAutoGenTag: true,
RunE: func(_ *cobra.Command, args []string) error {
for _, testName := range args {
test, err := hubPtr.LoadTestItem(testName)
if err != nil {
return fmt.Errorf("unable to load test '%s': %s", testName, err)
}
fmt.Println()
fmt.Printf(" Test name : %s\n", test.Name)
fmt.Printf(" Test path : %s\n", test.Path)
if isAppsecTest {
fmt.Printf(" Nuclei Template : %s\n", test.Config.NucleiTemplate)
fmt.Printf(" Appsec Rules : %s\n", strings.Join(test.Config.AppsecRules, ", "))
} else {
fmt.Printf(" Log file : %s\n", filepath.Join(test.Path, test.Config.LogFile))
fmt.Printf(" Parser assertion file : %s\n", filepath.Join(test.Path, hubtest.ParserAssertFileName))
fmt.Printf(" Scenario assertion file : %s\n", filepath.Join(test.Path, hubtest.ScenarioAssertFileName))
}
fmt.Printf(" Configuration File : %s\n", filepath.Join(test.Path, "config.yaml"))
}
return nil
},
}
return cmd
}
func (cli cliHubTest) NewListCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "list",
Short: "list",
DisableAutoGenTag: true,
RunE: func(_ *cobra.Command, _ []string) error {
if err := hubPtr.LoadAllTests(); err != nil {
return fmt.Errorf("unable to load all tests: %s", err)
}
switch csConfig.Cscli.Output {
case "human":
hubTestListTable(color.Output, hubPtr.Tests)
case "json":
j, err := json.MarshalIndent(hubPtr.Tests, " ", " ")
if err != nil {
return err
}
fmt.Println(string(j))
default:
return fmt.Errorf("only human/json output modes are supported")
}
return nil
},
}
return cmd
}
func (cli cliHubTest) NewCoverageCmd() *cobra.Command {
var showParserCov bool
var showScenarioCov bool
var showOnlyPercent bool
var showAppsecCov bool
cmd := &cobra.Command{
Use: "coverage",
Short: "coverage",
DisableAutoGenTag: true,
RunE: func(_ *cobra.Command, _ []string) error {
//for this one we explicitly don't do for appsec
if err := HubTest.LoadAllTests(); err != nil {
return fmt.Errorf("unable to load all tests: %+v", err)
}
var err error
scenarioCoverage := []hubtest.Coverage{}
parserCoverage := []hubtest.Coverage{}
appsecRuleCoverage := []hubtest.Coverage{}
scenarioCoveragePercent := 0
parserCoveragePercent := 0
appsecRuleCoveragePercent := 0
// if both are false (flag by default), show both
showAll := !showScenarioCov && !showParserCov && !showAppsecCov
if showParserCov || showAll {
parserCoverage, err = HubTest.GetParsersCoverage()
if err != nil {
return fmt.Errorf("while getting parser coverage: %s", err)
}
parserTested := 0
for _, test := range parserCoverage {
if test.TestsCount > 0 {
parserTested++
}
}
parserCoveragePercent = int(math.Round((float64(parserTested) / float64(len(parserCoverage)) * 100)))
}
if showScenarioCov || showAll {
scenarioCoverage, err = HubTest.GetScenariosCoverage()
if err != nil {
return fmt.Errorf("while getting scenario coverage: %s", err)
}
scenarioTested := 0
for _, test := range scenarioCoverage {
if test.TestsCount > 0 {
scenarioTested++
}
}
scenarioCoveragePercent = int(math.Round((float64(scenarioTested) / float64(len(scenarioCoverage)) * 100)))
}
if showAppsecCov || showAll {
appsecRuleCoverage, err = HubTest.GetAppsecCoverage()
if err != nil {
return fmt.Errorf("while getting scenario coverage: %s", err)
}
appsecRuleTested := 0
for _, test := range appsecRuleCoverage {
if test.TestsCount > 0 {
appsecRuleTested++
}
}
appsecRuleCoveragePercent = int(math.Round((float64(appsecRuleTested) / float64(len(appsecRuleCoverage)) * 100)))
}
if showOnlyPercent {
if showAll {
fmt.Printf("parsers=%d%%\nscenarios=%d%%\nappsec_rules=%d%%", parserCoveragePercent, scenarioCoveragePercent, appsecRuleCoveragePercent)
} else if showParserCov {
fmt.Printf("parsers=%d%%", parserCoveragePercent)
} else if showScenarioCov {
fmt.Printf("scenarios=%d%%", scenarioCoveragePercent)
} else if showAppsecCov {
fmt.Printf("appsec_rules=%d%%", appsecRuleCoveragePercent)
}
os.Exit(0)
}
switch csConfig.Cscli.Output {
case "human":
if showParserCov || showAll {
hubTestParserCoverageTable(color.Output, parserCoverage)
}
if showScenarioCov || showAll {
hubTestScenarioCoverageTable(color.Output, scenarioCoverage)
}
if showAppsecCov || showAll {
hubTestAppsecRuleCoverageTable(color.Output, appsecRuleCoverage)
}
fmt.Println()
if showParserCov || showAll {
fmt.Printf("PARSERS : %d%% of coverage\n", parserCoveragePercent)
}
if showScenarioCov || showAll {
fmt.Printf("SCENARIOS : %d%% of coverage\n", scenarioCoveragePercent)
}
if showAppsecCov || showAll {
fmt.Printf("APPSEC RULES : %d%% of coverage\n", appsecRuleCoveragePercent)
}
case "json":
dump, err := json.MarshalIndent(parserCoverage, "", " ")
if err != nil {
return err
}
fmt.Printf("%s", dump)
dump, err = json.MarshalIndent(scenarioCoverage, "", " ")
if err != nil {
return err
}
fmt.Printf("%s", dump)
dump, err = json.MarshalIndent(appsecRuleCoverage, "", " ")
if err != nil {
return err
}
fmt.Printf("%s", dump)
default:
return fmt.Errorf("only human/json output modes are supported")
}
return nil
},
}
cmd.PersistentFlags().BoolVar(&showOnlyPercent, "percent", false, "Show only percentages of coverage")
cmd.PersistentFlags().BoolVar(&showParserCov, "parsers", false, "Show only parsers coverage")
cmd.PersistentFlags().BoolVar(&showScenarioCov, "scenarios", false, "Show only scenarios coverage")
cmd.PersistentFlags().BoolVar(&showAppsecCov, "appsec", false, "Show only appsec coverage")
return cmd
}
func (cli cliHubTest) NewEvalCmd() *cobra.Command {
var evalExpression string
cmd := &cobra.Command{
Use: "eval",
Short: "eval [test_name]",
Args: cobra.ExactArgs(1),
DisableAutoGenTag: true,
RunE: func(_ *cobra.Command, args []string) error {
for _, testName := range args {
test, err := hubPtr.LoadTestItem(testName)
if err != nil {
return fmt.Errorf("can't load test: %+v", err)
}
err = test.ParserAssert.LoadTest(test.ParserResultFile)
if err != nil {
return fmt.Errorf("can't load test results from '%s': %+v", test.ParserResultFile, err)
}
output, err := test.ParserAssert.EvalExpression(evalExpression)
if err != nil {
return err
}
fmt.Print(output)
}
return nil
},
}
cmd.PersistentFlags().StringVarP(&evalExpression, "expr", "e", "", "Expression to eval")
return cmd
}
func (cli cliHubTest) NewExplainCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "explain",
Short: "explain [test_name]",
Args: cobra.ExactArgs(1),
DisableAutoGenTag: true,
RunE: func(_ *cobra.Command, args []string) error {
for _, testName := range args {
test, err := HubTest.LoadTestItem(testName)
if err != nil {
return fmt.Errorf("can't load test: %+v", err)
}
err = test.ParserAssert.LoadTest(test.ParserResultFile)
if err != nil {
if err = test.Run(); err != nil {
return fmt.Errorf("running test '%s' failed: %+v", test.Name, err)
}
if err = test.ParserAssert.LoadTest(test.ParserResultFile); err != nil {
return fmt.Errorf("unable to load parser result after run: %s", err)
}
}
err = test.ScenarioAssert.LoadTest(test.ScenarioResultFile, test.BucketPourResultFile)
if err != nil {
if err = test.Run(); err != nil {
return fmt.Errorf("running test '%s' failed: %+v", test.Name, err)
}
if err = test.ScenarioAssert.LoadTest(test.ScenarioResultFile, test.BucketPourResultFile); err != nil {
return fmt.Errorf("unable to load scenario result after run: %s", err)
}
}
opts := dumps.DumpOpts{}
dumps.DumpTree(*test.ParserAssert.TestData, *test.ScenarioAssert.PourData, opts)
}
return nil
},
}
return cmd
}