cmd: Require config for caddy validate (fix #5612) (#5614)

* Require config for caddy validate - fixes #5612

Signed-off-by: Pistasj <hi@pistasjis.net>

* Try making adjacent Caddyfile check its own function

Signed-off-by: Pistasj <hi@pistasjis.net>

* add Francis' suggestion

Co-authored-by: Francis Lavoie <lavofr@gmail.com>

* Refactor

* Fix borked commit, sigh

---------

Signed-off-by: Pistasj <hi@pistasjis.net>
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
This commit is contained in:
pistasjis 2023-08-09 19:40:37 +02:00 committed by GitHub
parent 11166889c5
commit d8135505d3
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 43 additions and 19 deletions

View File

@ -22,6 +22,7 @@ import (
"errors"
"fmt"
"io"
"io/fs"
"log"
"net"
"net/http"
@ -423,24 +424,12 @@ func cmdAdaptConfig(fl Flags) (int, error) {
adaptCmdPrettyFlag := fl.Bool("pretty")
adaptCmdValidateFlag := fl.Bool("validate")
// if no input file was specified, try a default
// Caddyfile if the Caddyfile adapter is plugged in
if adaptCmdInputFlag == "" && caddyconfig.GetAdapter("caddyfile") != nil {
_, err := os.Stat("Caddyfile")
if err == nil {
// default Caddyfile exists
adaptCmdInputFlag = "Caddyfile"
caddy.Log().Info("using adjacent Caddyfile")
} else if !os.IsNotExist(err) {
// default Caddyfile exists, but error accessing it
return caddy.ExitCodeFailedStartup, fmt.Errorf("accessing default Caddyfile: %v", err)
}
var err error
adaptCmdInputFlag, err = configFileWithRespectToDefault(caddy.Log(), adaptCmdInputFlag)
if err != nil {
return caddy.ExitCodeFailedStartup, err
}
if adaptCmdInputFlag == "" {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("input file required when there is no Caddyfile in current directory (use --config flag)")
}
if adaptCmdAdapterFlag == "" {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("adapter name is required (use --adapt flag or leave unspecified for default)")
@ -517,6 +506,17 @@ func cmdValidateConfig(fl Flags) (int, error) {
}
}
// 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
}
if validateCmdConfigFlag == "" {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("input file required when there is no Caddyfile in current directory (use --config flag)")
}
input, _, err := LoadConfig(validateCmdConfigFlag, validateCmdAdapterFlag)
if err != nil {
return caddy.ExitCodeFailedStartup, err
@ -736,6 +736,31 @@ func DetermineAdminAPIAddress(address string, config []byte, configFile, configA
return caddy.DefaultAdminListen, nil
}
// configFileWithRespectToDefault returns the filename to use for loading the config, based
// on whether a config file is already specified and a supported default config file exists.
func configFileWithRespectToDefault(logger *zap.Logger, configFile string) (string, error) {
const defaultCaddyfile = "Caddyfile"
// if no input file was specified, try a default Caddyfile if the Caddyfile adapter is plugged in
if configFile == "" && caddyconfig.GetAdapter("caddyfile") != nil {
_, err := os.Stat(defaultCaddyfile)
if err == nil {
// default Caddyfile exists
if logger != nil {
logger.Info("using adjacent Caddyfile")
}
return defaultCaddyfile, nil
}
if !errors.Is(err, fs.ErrNotExist) {
// problem checking
return configFile, fmt.Errorf("checking if default Caddyfile exists: %v", err)
}
}
// default config file does not exist or is irrelevant
return configFile, nil
}
type moduleInfo struct {
caddyModuleID string
goModule *debug.Module

View File

@ -117,9 +117,8 @@ func loadConfigWithLogger(logger *zap.Logger, configFile, adapterName string) ([
zap.String("config_adapter", adapterName))
}
} else if adapterName == "" {
// as a special case when no config file or adapter
// is specified, see if the Caddyfile adapter is
// plugged in, and if so, try using a default Caddyfile
// if the Caddyfile adapter is plugged in, we can try using an
// adjacent Caddyfile by default
cfgAdapter = caddyconfig.GetAdapter("caddyfile")
if cfgAdapter != nil {
config, err = os.ReadFile("Caddyfile")