config?

internal/config/configFile.go

@@ -0,0 +1,35 @@
+package config
+
+import (
+	"os"
+
+	"io/ioutil"
+
+	"gopkg.in/yaml.v3"
+)
+
+type configFileStruct struct {
+	AllowAdminNoMutate       bool     `yaml:"allow-admin-nomutate"`
+	AllowAdminNoMutateToggle string   `yaml:"allow-admin-nomutate-toggle"`
+	DockerhubRegistry        string   `yaml:"dockerhub-registry"`
+	MutateIgnoredImages      []string `yaml:"mutate-ignored-images"`
+}
+
+func getConfigFileData(fileLocation string) (configFileStruct, error) {
+	// does file exist
+	if _, err := os.Stat(fileLocation); os.IsNotExist(err) {
+		return configFileStruct{}, err
+	}
+	// read file
+	rd, err := ioutil.ReadFile(fileLocation)
+	if err != nil {
+		return configFileStruct{}, err
+	}
+	// convert config file data to struct
+	var output configFileStruct
+	if err := yaml.Unmarshal(rd, &output); err != nil {
+		return output, err
+	}
+
+	return output, nil
+}