cscli config feeature-flags: point user to the right location of feature.yaml (#2539)

cmd/crowdsec-cli/config_feature_flags.go

@@ -2,10 +2,12 @@ package main
 
 import (
 	"fmt"
+	"path/filepath"
 
 	"github.com/fatih/color"
 	"github.com/spf13/cobra"
 
+	"github.com/crowdsecurity/crowdsec/pkg/csconfig"
 	"github.com/crowdsecurity/crowdsec/pkg/fflag"
 )
 
@@ -87,7 +89,14 @@ func runConfigFeatureFlags(cmd *cobra.Command, args []string) error {
 
 	fmt.Println("To enable a feature you can: ")
 	fmt.Println("  - set the environment variable CROWDSEC_FEATURE_<uppercase_feature_name> to true")
-	fmt.Printf("  - add the line '- <feature_name>' to the file %s/feature.yaml\n", csConfig.ConfigPaths.ConfigDir)
+
+	featurePath, err := filepath.Abs(csconfig.GetFeatureFilePath(ConfigFilePath))
+	if err != nil {
+		// we already read the file, shouldn't happen
+		return err
+	}
+
+	fmt.Printf("  - add the line '- <feature_name>' to the file %s\n", featurePath)
 	fmt.Println()
 
 	if len(enabled) == 0 && len(disabled) == 0 {

pkg/csconfig/fflag.go

@@ -18,12 +18,18 @@ func LoadFeatureFlagsEnv(logger *log.Logger) error {
 	return nil
 }
 
-// LoadFeatureFlags parses feature.yaml to enable feature flags.
+// FeatureFlagsFileLocation returns the path to the feature.yaml file.
 // The file is in the same directory as config.yaml, which is provided
 // as the fist parameter. This can be different than ConfigPaths.ConfigDir
-func LoadFeatureFlagsFile(configPath string, logger *log.Logger) error {
+// because we have not read config.yaml yet so we don't know the value of ConfigDir.
+func GetFeatureFilePath(configPath string) string {
 	dir := filepath.Dir(configPath)
-	featurePath := filepath.Join(dir, "feature.yaml")
+	return filepath.Join(dir, "feature.yaml")
+}
+
+// LoadFeatureFlags parses feature.yaml to enable feature flags.
+func LoadFeatureFlagsFile(configPath string, logger *log.Logger) error {
+	featurePath := GetFeatureFilePath(configPath)
 
 	if err := fflag.Crowdsec.SetFromYamlFile(featurePath, logger); err != nil {
 		return fmt.Errorf("file %s: %s", featurePath, err)