feat: support custom prefix (#11)

* add custom prefix config

* feat: add support for custom prefix

config/config.go

@@ -15,6 +15,7 @@ import (
 type rawConfig struct {
 	Provider string
 	Service  string
+	Prefix   string
 
 	Config               map[string]map[string]string
 	Secret               map[string]map[string]string
@@ -62,7 +63,6 @@ func Load(param LoadConfigInput) (*Config, error) {
 	c.Service = rc.Service
 	c.Stage = param.Stage
 	c.Provider = rc.Provider
-	c.Prefix = getPrefix(param.Stage, c.Service)
 
 	if c.Provider == "" {
 		c.Provider = store.SsmProvider
@@ -74,6 +74,11 @@ func Load(param LoadConfigInput) (*Config, error) {
 		return nil, errors.Wrap(err, "failed to variables for interpolation")
 	}
 
+	c.Prefix, err = Interpolate(getPrefix(param.Stage, c.Service, rc.Prefix), variables)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to interpolate prefix")
+	}
+
 	for key, value := range rc.Config["defaults"] {
 		val, err := Interpolate(value, variables)
 
@@ -135,8 +140,13 @@ func formatPath(prefix string, key string) string {
 	return fmt.Sprintf("%s%s", prefix, key)
 }
 
-func getPrefix(stage string, service string) string {
-	return fmt.Sprintf("/%s/%s/", stage, service)
+func getPrefix(stage string, service string, defaultPrefix string) string {
+	if defaultPrefix == "" {
+		return fmt.Sprintf("/%s/%s/", stage, service)
+	}
+
+	// TODO: validate prefix starts and ends with /
+	return defaultPrefix
 }
 
 func validateConfig(rc rawConfig) error {

example/custom-prefix.yml

@@ -0,0 +1,23 @@
+service: safebox
+provider: ssm
+
+prefix: "/{{.stage}}/custom/prefix/{{.service}}/"
+
+cloudformation-stacks:
+  - "{{.stage}}-shared-infra-SharedInfraServerless"
+
+config:
+  defaults:
+    DB_NAME: "database name updated"
+    CF_OUTPUT_API_ENDPOINT: "{{.internalDomainName}}"
+    AWS_ACCOUNT: "{{.account}}"
+
+  shared:
+    SHARED_KEY: "shared key"
+
+secret:
+  defaults:
+    API_KEY: "key of the api endpoint"
+
+  shared:
+    APOLLO_KEY: "apollo key"

npm/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@adikari/safebox",
-  "version": "1.1.9",
+  "version": "1.1.10",
   "description": "A Fast and Flexible secret manager built with love by adikari in Go",
   "main": "index.js",
   "bin": "./run.js",