Revert "feat(cli): run watch mode"

This commit is contained in:
Maidul Islam
2024-08-29 12:44:24 -04:00
committed by GitHub
parent d0292aa139
commit 585f0d9f1b
7 changed files with 150 additions and 413 deletions

View File

@@ -4,14 +4,13 @@ Copyright (c) 2023 Infisical Inc.
package cmd
import (
"errors"
"fmt"
"os"
"os/exec"
"os/signal"
"runtime"
"strings"
"sync"
"syscall"
"time"
"github.com/Infisical/infisical-merge/packages/models"
"github.com/Infisical/infisical-merge/packages/util"
@@ -21,9 +20,6 @@ import (
"github.com/spf13/cobra"
)
var ErrManualSignalInterrupt = errors.New("signal: interrupt")
var WaitGroup = new(sync.WaitGroup)
// runCmd represents the run command
var runCmd = &cobra.Command{
Example: `
@@ -36,8 +32,6 @@ var runCmd = &cobra.Command{
Args: func(cmd *cobra.Command, args []string) error {
// Check if the --command flag has been set
commandFlagSet := cmd.Flags().Changed("command")
watchIntervalFlagSet := cmd.Flags().Changed("watch-interval")
watchFlagSet := cmd.Flags().Changed("watch")
// If the --command flag has been set, check if a value was provided
if commandFlagSet {
@@ -57,20 +51,6 @@ var runCmd = &cobra.Command{
}
}
// If the --watch flag has been set, the --watch-interval flag should also be set
if watchFlagSet && watchIntervalFlagSet {
// Ensure that the --watch-interval flag is set to a positive integer, and is at least 5 seconds
watchInterval, err := cmd.Flags().GetInt("watch-interval")
if err != nil {
util.HandleError(err, "Unable to parse flag")
}
if watchInterval < 5 {
return fmt.Errorf("watch interval must be at least 5 seconds, you passed %d seconds", watchInterval)
}
}
return nil
},
Run: func(cmd *cobra.Command, args []string) {
@@ -97,30 +77,11 @@ var runCmd = &cobra.Command{
util.HandleError(err, "Unable to parse flag")
}
command, err := cmd.Flags().GetString("command")
if err != nil {
util.HandleError(err, "Unable to parse flag")
}
if err != nil {
util.HandleError(err, "Unable to parse flag")
}
secretOverriding, err := cmd.Flags().GetBool("secret-overriding")
if err != nil {
util.HandleError(err, "Unable to parse flag")
}
watchMode, err := cmd.Flags().GetBool("watch")
if err != nil {
util.HandleError(err, "Unable to parse flag")
}
watchModeInterval, err := cmd.Flags().GetInt("watch-interval")
if err != nil {
util.HandleError(err, "Unable to parse flag")
}
shouldExpandSecrets, err := cmd.Flags().GetBool("expand")
if err != nil {
util.HandleError(err, "Unable to parse flag")
@@ -155,16 +116,68 @@ var runCmd = &cobra.Command{
Recursive: recursive,
}
injectableEnvironment, err := createInjectableEnvironment(request, projectConfigDir, secretOverriding, shouldExpandSecrets, token)
if token != nil && token.Type == util.SERVICE_TOKEN_IDENTIFIER {
request.InfisicalToken = token.Token
} else if token != nil && token.Type == util.UNIVERSAL_AUTH_TOKEN_IDENTIFIER {
request.UniversalAuthAccessToken = token.Token
}
secrets, err := util.GetAllEnvironmentVariables(request, projectConfigDir)
if err != nil {
util.HandleError(err, "Could not fetch secrets", "If you are using a service token to fetch secrets, please ensure it is valid")
}
log.Debug().Msgf("injecting the following environment variables into shell: %v", injectableEnvironment.Variables)
if secretOverriding {
secrets = util.OverrideSecrets(secrets, util.SECRET_TYPE_PERSONAL)
} else {
secrets = util.OverrideSecrets(secrets, util.SECRET_TYPE_SHARED)
}
if shouldExpandSecrets {
authParams := models.ExpandSecretsAuthentication{}
if token != nil && token.Type == util.SERVICE_TOKEN_IDENTIFIER {
authParams.InfisicalToken = token.Token
} else if token != nil && token.Type == util.UNIVERSAL_AUTH_TOKEN_IDENTIFIER {
authParams.UniversalAuthAccessToken = token.Token
}
secrets = util.ExpandSecrets(secrets, authParams, projectConfigDir)
}
secretsByKey := getSecretsByKeys(secrets)
environmentVariables := make(map[string]string)
// add all existing environment vars
for _, s := range os.Environ() {
kv := strings.SplitN(s, "=", 2)
key := kv[0]
value := kv[1]
environmentVariables[key] = value
}
// check to see if there are any reserved key words in secrets to inject
filterReservedEnvVars(secretsByKey)
// now add infisical secrets
for k, v := range secretsByKey {
environmentVariables[k] = v.Value
}
// turn it back into a list of envs
var env []string
for key, value := range environmentVariables {
s := key + "=" + value
env = append(env, s)
}
log.Debug().Msgf("injecting the following environment variables into shell: %v", env)
Telemetry.CaptureEvent("cli-command:run",
posthog.NewProperties().
Set("secretsCount", injectableEnvironment.SecretsCount).
Set("secretsCount", len(secrets)).
Set("environment", environmentName).
Set("isUsingServiceToken", token != nil && token.Type == util.SERVICE_TOKEN_IDENTIFIER).
Set("isUsingUniversalAuthToken", token != nil && token.Type == util.UNIVERSAL_AUTH_TOKEN_IDENTIFIER).
@@ -172,160 +185,39 @@ var runCmd = &cobra.Command{
Set("multi-command", cmd.Flag("command").Value.String()).
Set("version", util.CLI_VERSION))
executeSpecifiedCommand(command, args, watchMode, watchModeInterval, request, projectConfigDir, shouldExpandSecrets, secretOverriding, token)
if cmd.Flags().Changed("command") {
command := cmd.Flag("command").Value.String()
err = executeMultipleCommandWithEnvs(command, len(secretsByKey), env)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
} else {
err = executeSingleCommandWithEnvs(args, len(secretsByKey), env)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}
},
}
func executeSpecifiedCommand(commandFlag string, args []string, watchMode bool, watchModeInterval int, request models.GetAllSecretsParameters, projectConfigDir string, expandSecrets bool, secretOverriding bool, token *models.TokenDetails) {
var cmd *exec.Cmd
var err error
var lastSecretsFetch time.Time
var lastUpdateEvent time.Time
var watchMutex sync.Mutex
var processMutex sync.Mutex
var beingTerminated = false
var currentETag string
startProcess := func(environment models.InjectableEnvironmentResult) {
currentETag = environment.ETag
secretsFetchedAt := time.Now()
if secretsFetchedAt.After(lastSecretsFetch) {
lastSecretsFetch = secretsFetchedAt
}
shouldRestartProcess := cmd != nil
// terminate the old process before starting a new one
if shouldRestartProcess {
beingTerminated = true
log.Debug().Msgf(color.HiMagentaString("[HOT RELOAD] Sending SIGTERM to PID %d", cmd.Process.Pid))
if e := cmd.Process.Signal(syscall.SIGTERM); e != nil {
log.Error().Err(e).Msg(color.HiMagentaString("[HOT RELOAD] Failed to send SIGTERM"))
}
// wait up to 10 sec for the process to exit
for i := 0; i < 10; i++ {
if !util.IsProcessRunning(cmd.Process) {
// process has been killed so we break out
break
}
if i == 5 {
log.Debug().Msg(color.HiMagentaString("[HOT RELOAD] Still waiting for process exit status"))
}
time.Sleep(time.Second)
}
// SIGTERM may not work on Windows so we try SIGKILL
if util.IsProcessRunning(cmd.Process) {
log.Debug().Msg(color.HiMagentaString("[HOT RELOAD] Process still hasn't fully exited, attempting SIGKILL"))
if e := cmd.Process.Kill(); e != nil {
log.Error().Err(e).Msg(color.HiMagentaString("[HOT RELOAD] Failed to send SIGKILL"))
}
}
cmd = nil
}
processMutex.Lock()
if lastUpdateEvent.After(secretsFetchedAt) {
processMutex.Unlock()
return
}
beingTerminated = false
WaitGroup.Add(1)
if shouldRestartProcess {
log.Info().Msg(color.HiMagentaString("[HOT RELOAD] Environment changes detected. Reloading process..."))
}
// start the process
log.Info().Msgf(color.GreenString("Injecting %v Infisical secrets into your application process", environment.SecretsCount))
cmd, err = util.RunCommand(commandFlag, args, environment.Variables)
if err != nil {
defer WaitGroup.Done()
util.HandleError(err)
}
go func() {
defer processMutex.Unlock()
defer WaitGroup.Done()
exitCode, err := WaitForExitCommand(cmd)
// ignore errors if we are being terminated
if !beingTerminated {
if err != nil {
if strings.HasPrefix(err.Error(), "exec") || strings.HasPrefix(err.Error(), "fork/exec") {
log.Error().Err(err).Msg("Failed to execute command")
}
if err.Error() != ErrManualSignalInterrupt.Error() {
log.Error().Err(err).Msg("Process exited with error")
}
}
os.Exit(exitCode)
}
}()
var (
reservedEnvVars = []string{
"HOME", "PATH", "PS1", "PS2",
"PWD", "EDITOR", "XAUTHORITY", "USER",
"TERM", "TERMINFO", "SHELL", "MAIL",
}
initialEnvironment, err := createInjectableEnvironment(request, projectConfigDir, secretOverriding, expandSecrets, token)
if err != nil {
util.HandleError(err, "Failed to fetch secrets")
reservedEnvVarPrefixes = []string{
"XDG_",
"LC_",
}
startProcess(initialEnvironment)
recheckSecretsChannel := make(chan bool, 1)
// this is the only logic strictly related to watch mode, the rest is shared with non-watch mode
if watchMode {
log.Info().Msg(color.HiMagentaString("[HOT RELOAD] Watching for secret changes..."))
// a simple goroutine that triggers the recheckSecretsChan every watch interval (defaults to 10 seconds)
go func() {
for {
time.Sleep(time.Duration(watchModeInterval) * time.Second)
recheckSecretsChannel <- true
}
}()
for {
<-recheckSecretsChannel
watchMutex.Lock()
newEnvironmentVariables, err := createInjectableEnvironment(request, projectConfigDir, secretOverriding, expandSecrets, token)
if err != nil {
log.Error().Err(err).Msg("[HOT RELOAD] Failed to fetch secrets")
continue
}
if newEnvironmentVariables.ETag != currentETag {
startProcess(newEnvironmentVariables)
} else {
log.Debug().Msg("[HOT RELOAD] No changes detected in secrets, not reloading process")
}
watchMutex.Unlock()
}
}
}
)
func filterReservedEnvVars(env map[string]models.SingleEnvironmentVariable) {
var (
reservedEnvVars = []string{
"HOME", "PATH", "PS1", "PS2",
"PWD", "EDITOR", "XAUTHORITY", "USER",
"TERM", "TERMINFO", "SHELL", "MAIL",
}
reservedEnvVarPrefixes = []string{
"XDG_",
"LC_",
}
)
for _, reservedEnvName := range reservedEnvVars {
if _, ok := env[reservedEnvName]; ok {
delete(env, reservedEnvName)
@@ -345,94 +237,80 @@ func filterReservedEnvVars(env map[string]models.SingleEnvironmentVariable) {
func init() {
rootCmd.AddCommand(runCmd)
runCmd.Flags().String("token", "", "fetch secrets using service token or machine identity access token")
runCmd.Flags().String("token", "", "Fetch secrets using service token or machine identity access token")
runCmd.Flags().String("projectId", "", "manually set the project ID to fetch secrets from when using machine identity based auth")
runCmd.Flags().StringP("env", "e", "dev", "set the environment (dev, prod, etc.) from which your secrets should be pulled from")
runCmd.Flags().Bool("expand", true, "parse shell parameter expansions in your secrets")
runCmd.Flags().Bool("include-imports", true, "import linked secrets ")
runCmd.Flags().Bool("recursive", false, "fetch secrets from all sub-folders")
runCmd.Flags().Bool("secret-overriding", true, "prioritizes personal secrets, if any, with the same name over shared secrets")
runCmd.Flags().Bool("watch", false, "enable reload of application when secrets change")
runCmd.Flags().Int("watch-interval", 10, "interval in seconds to check for secret changes")
runCmd.Flags().StringP("env", "e", "dev", "Set the environment (dev, prod, etc.) from which your secrets should be pulled from")
runCmd.Flags().Bool("expand", true, "Parse shell parameter expansions in your secrets")
runCmd.Flags().Bool("include-imports", true, "Import linked secrets ")
runCmd.Flags().Bool("recursive", false, "Fetch secrets from all sub-folders")
runCmd.Flags().Bool("secret-overriding", true, "Prioritizes personal secrets, if any, with the same name over shared secrets")
runCmd.Flags().StringP("command", "c", "", "chained commands to execute (e.g. \"npm install && npm run dev; echo ...\")")
runCmd.Flags().StringP("tags", "t", "", "filter secrets by tag slugs ")
runCmd.Flags().String("path", "/", "get secrets within a folder path")
runCmd.Flags().String("project-config-dir", "", "explicitly set the directory where the .infisical.json resides")
}
func createInjectableEnvironment(request models.GetAllSecretsParameters, projectConfigDir string, secretOverriding bool, shouldExpandSecrets bool, token *models.TokenDetails) (models.InjectableEnvironmentResult, error) {
// Will execute a single command and pass in the given secrets into the process
func executeSingleCommandWithEnvs(args []string, secretsCount int, env []string) error {
command := args[0]
argsForCommand := args[1:]
secrets, err := util.GetAllEnvironmentVariables(request, projectConfigDir)
log.Info().Msgf(color.GreenString("Injecting %v Infisical secrets into your application process", secretsCount))
if err != nil {
return models.InjectableEnvironmentResult{}, err
}
cmd := exec.Command(command, argsForCommand...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = env
if secretOverriding {
secrets = util.OverrideSecrets(secrets, util.SECRET_TYPE_PERSONAL)
return execCmd(cmd)
}
func executeMultipleCommandWithEnvs(fullCommand string, secretsCount int, env []string) error {
shell := [2]string{"sh", "-c"}
if runtime.GOOS == "windows" {
shell = [2]string{"cmd", "/C"}
} else {
secrets = util.OverrideSecrets(secrets, util.SECRET_TYPE_SHARED)
}
if shouldExpandSecrets {
authParams := models.ExpandSecretsAuthentication{}
if token != nil && token.Type == util.SERVICE_TOKEN_IDENTIFIER {
authParams.InfisicalToken = token.Token
} else if token != nil && token.Type == util.UNIVERSAL_AUTH_TOKEN_IDENTIFIER {
authParams.UniversalAuthAccessToken = token.Token
currentShell := os.Getenv("SHELL")
if currentShell != "" {
shell[0] = currentShell
}
secrets = util.ExpandSecrets(secrets, authParams, projectConfigDir)
}
secretsByKey := getSecretsByKeys(secrets)
environmentVariables := make(map[string]string)
cmd := exec.Command(shell[0], shell[1], fullCommand)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = env
// add all existing environment vars
for _, s := range os.Environ() {
kv := strings.SplitN(s, "=", 2)
key := kv[0]
value := kv[1]
environmentVariables[key] = value
}
log.Info().Msgf(color.GreenString("Injecting %v Infisical secrets into your application process", secretsCount))
log.Debug().Msgf("executing command: %s %s %s \n", shell[0], shell[1], fullCommand)
// check to see if there are any reserved key words in secrets to inject
filterReservedEnvVars(secretsByKey)
// now add infisical secrets
for k, v := range secretsByKey {
environmentVariables[k] = v.Value
}
env := make([]string, 0, len(environmentVariables))
for key, value := range environmentVariables {
env = append(env, key+"="+value)
}
return models.InjectableEnvironmentResult{
Variables: env,
ETag: util.GenerateETagFromSecrets(secrets),
SecretsCount: len(secretsByKey),
}, nil
return execCmd(cmd)
}
func WaitForExitCommand(cmd *exec.Cmd) (int, error) {
// Credit: inspired by AWS Valut
func execCmd(cmd *exec.Cmd) error {
sigChannel := make(chan os.Signal, 1)
signal.Notify(sigChannel)
if err := cmd.Start(); err != nil {
return err
}
go func() {
for {
sig := <-sigChannel
_ = cmd.Process.Signal(sig) // process all sigs
}
}()
if err := cmd.Wait(); err != nil {
// ignore errors
cmd.Process.Signal(os.Kill) // #nosec G104
if exitError, ok := err.(*exec.ExitError); ok {
return exitError.ExitCode(), exitError
}
return 2, err
_ = cmd.Process.Signal(os.Kill)
return fmt.Errorf("failed to wait for command termination: %v", err)
}
waitStatus, ok := cmd.ProcessState.Sys().(syscall.WaitStatus)
if !ok {
return 2, fmt.Errorf("unexpected ProcessState type, expected syscall.WaitStatus, got %T", waitStatus)
}
return waitStatus.ExitStatus(), nil
waitStatus := cmd.ProcessState.Sys().(syscall.WaitStatus)
os.Exit(waitStatus.ExitStatus())
return nil
}