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cmd: Prevent overwriting existing env vars with --envfile (#5803)

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Co-authored-by: Francis Lavoie <lavofr@gmail.com>
This commit is contained in:
Evan Van Dam
2023-09-06 19:19:24 -07:00
committed by GitHub
parent 50cea4e263
commit f2ab7099db
3 changed files with 57 additions and 33 deletions
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42
cmd/commandfuncs.go
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@ -46,7 +46,14 @@ func cmdStart(fl Flags) (int, error) {
startCmdConfigAdapterFlag := fl.String("adapter")
startCmdPidfileFlag := fl.String("pidfile")
startCmdWatchFlag := fl.Bool("watch")
startCmdEnvfileFlag := fl.String("envfile")
var err error
var startCmdEnvfileFlag []string
startCmdEnvfileFlag, err = fl.GetStringSlice("envfile")
if err != nil {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("reading envfile flag: %v", err)
}
// open a listener to which the child process will connect when
// it is ready to confirm that it has successfully started
@ -70,8 +77,9 @@ func cmdStart(fl Flags) (int, error) {
if startCmdConfigFlag != "" {
cmd.Args = append(cmd.Args, "--config", startCmdConfigFlag)
}
if startCmdEnvfileFlag != "" {
cmd.Args = append(cmd.Args, "--envfile", startCmdEnvfileFlag)
for _, envFile := range startCmdEnvfileFlag {
cmd.Args = append(cmd.Args, "--envfile", envFile)
}
if startCmdConfigAdapterFlag != "" {
cmd.Args = append(cmd.Args, "--adapter", startCmdConfigAdapterFlag)
@ -160,15 +168,22 @@ func cmdRun(fl Flags) (int, error) {
runCmdConfigFlag := fl.String("config")
runCmdConfigAdapterFlag := fl.String("adapter")
runCmdResumeFlag := fl.Bool("resume")
runCmdLoadEnvfileFlag := fl.String("envfile")
runCmdPrintEnvFlag := fl.Bool("environ")
runCmdWatchFlag := fl.Bool("watch")
runCmdPidfileFlag := fl.String("pidfile")
runCmdPingbackFlag := fl.String("pingback")
var err error
var runCmdLoadEnvfileFlag []string
runCmdLoadEnvfileFlag, err = fl.GetStringSlice("envfile")
if err != nil {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("reading envfile flag: %v", err)
}
// load all additional envs as soon as possible
if runCmdLoadEnvfileFlag != "" {
if err := loadEnvFromFile(runCmdLoadEnvfileFlag); err != nil {
for _, envFile := range runCmdLoadEnvfileFlag {
if err := loadEnvFromFile(envFile); err != nil {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("loading additional environment variables: %v", err)
}
@ -181,7 +196,6 @@ func cmdRun(fl Flags) (int, error) {
// load the config, depending on flags
var config []byte
var err error
if runCmdResumeFlag {
config, err = os.ReadFile(caddy.ConfigAutosavePath)
if os.IsNotExist(err) {
@ -497,18 +511,24 @@ func cmdAdaptConfig(fl Flags) (int, error) {
func cmdValidateConfig(fl Flags) (int, error) {
validateCmdConfigFlag := fl.String("config")
validateCmdAdapterFlag := fl.String("adapter")
runCmdLoadEnvfileFlag := fl.String("envfile")
var err error
var runCmdLoadEnvfileFlag []string
runCmdLoadEnvfileFlag, err = fl.GetStringSlice("envfile")
if err != nil {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("reading envfile flag: %v", err)
}
// load all additional envs as soon as possible
if runCmdLoadEnvfileFlag != "" {
if err := loadEnvFromFile(runCmdLoadEnvfileFlag); err != nil {
for _, envFile := range runCmdLoadEnvfileFlag {
if err := loadEnvFromFile(envFile); err != nil {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("loading additional environment variables: %v", err)
}
}
// use default config and ensure a config file is specified
var err error
validateCmdConfigFlag, err = configFileWithRespectToDefault(caddy.Log(), validateCmdConfigFlag)
if err != nil {
return caddy.ExitCodeFailedStartup, err