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TUN-4359: Warn about unused keys in 'tunnel ingress validate'

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This commit is contained in:
Adam Chalmers
2021-05-06 15:10:47 -05:00
committed by Areg Harutyunyan
parent b87cb9aee8
commit 4bd17766a9
7 changed files with 50 additions and 23 deletions
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27
cmd/cloudflared/cliutil/handler.go
View File

@@ -13,27 +13,38 @@ func Action(actionFunc cli.ActionFunc) cli.ActionFunc {
}
func ConfiguredAction(actionFunc cli.ActionFunc) cli.ActionFunc {
// Adapt actionFunc to the type signature required by ConfiguredActionWithWarnings
f := func(context *cli.Context, _ string) error {
return actionFunc(context)
}
return ConfiguredActionWithWarnings(f)
}
// Just like ConfiguredAction, but accepts a second parameter with configuration warnings.
func ConfiguredActionWithWarnings(actionFunc func(*cli.Context, string) error) cli.ActionFunc {
return WithErrorHandler(func(c *cli.Context) error {
if err := setFlagsFromConfigFile(c); err != nil {
warnings, err := setFlagsFromConfigFile(c)
if err != nil {
return err
}
return actionFunc(c)
return actionFunc(c, warnings)
})
}
func setFlagsFromConfigFile(c *cli.Context) error {
func setFlagsFromConfigFile(c *cli.Context) (configWarnings string, err error) {
const errorExitCode = 1
log := logger.CreateLoggerFromContext(c, logger.EnableTerminalLog)
inputSource, err := config.ReadConfigFile(c, log)
inputSource, warnings, err := config.ReadConfigFile(c, log)
if err != nil {
if err == config.ErrNoConfigFile {
return nil
return "", nil
}
return cli.Exit(err, errorExitCode)
return "", cli.Exit(err, errorExitCode)
}
if err := altsrc.ApplyInputSource(c, inputSource); err != nil {
return cli.Exit(err, errorExitCode)
return "", cli.Exit(err, errorExitCode)
}
return nil
return warnings, nil
}

2
cmd/cloudflared/linux_service.go
View File

@@ -238,7 +238,7 @@ func installLinuxService(c *cli.Context) error {
"--origincert", serviceConfigDir + "/" + serviceCredentialFile,
}
} else {
src, err := config.ReadConfigFile(c, log)
src, _, err := config.ReadConfigFile(c, log)
if err != nil {
return err
}

2
cmd/cloudflared/tunnel/cmd.go
View File

@@ -699,7 +699,7 @@ func configureProxyFlags(shouldHide bool) []cli.Flag {
Hidden: shouldHide,
}),
altsrc.NewDurationFlag(&cli.DurationFlag{
Name: ingress.ProxyTCPKeepAlive,
Name: ingress.ProxyTCPKeepAliveFlag,
Usage: "HTTP proxy TCP keepalive duration",
Value: time.Second * 30,
Hidden: shouldHide,

9
cmd/cloudflared/tunnel/ingress_subcommands.go
View File

@@ -45,7 +45,7 @@ func buildIngressSubcommand() *cli.Command {
func buildValidateIngressCommand() *cli.Command {
return &cli.Command{
Name: "validate",
Action: cliutil.ConfiguredAction(validateIngressCommand),
Action: cliutil.ConfiguredActionWithWarnings(validateIngressCommand),
Usage: "Validate the ingress configuration ",
UsageText: "cloudflared tunnel [--config FILEPATH] ingress validate",
Description: "Validates the configuration file, ensuring your ingress rules are OK.",
@@ -68,7 +68,7 @@ func buildTestURLCommand() *cli.Command {
}
// validateIngressCommand check the syntax of the ingress rules in the cloudflared config file
func validateIngressCommand(c *cli.Context) error {
func validateIngressCommand(c *cli.Context, warnings string) error {
conf := config.GetConfiguration()
if conf.Source() == "" {
fmt.Println("No configuration file was found. Please create one, or use the --config flag to specify its filepath. You can use the help command to learn more about configuration files")
@@ -81,6 +81,11 @@ func validateIngressCommand(c *cli.Context) error {
if c.IsSet("url") {
return ingress.ErrURLIncompatibleWithIngress
}
if warnings != "" {
fmt.Println("Warning: unused keys detected in your config file. Here is a list of unused keys:")
fmt.Println(warnings)
return nil
}
fmt.Println("OK")
return nil
}