add envs prefix

README.md

@@ -5,6 +5,8 @@ Retrieve Vault KV storage path as env variables.
 ```
 >$ ./vault-envs -h
 Usage of ./vault-envs:
+  -envs-prefix string
+        Set ENVs prefix if same named secrets already exported
   -timeout string
         Set timeout to connect in seconds (default "10s")
   -token string
@@ -17,18 +19,19 @@ Usage of ./vault-envs:
 
 ## How to use
 
-Create sample KV secret `/databases/test` with two named values and run:
+Create sample KV secret `/databases/test` with two named values and run (**prefix used**):
 
 ```
 >$ ./vault-envs -token s.UYzqUtrBpL5MX3YP7GzXapZR \
         -vault-url https://vault.blindage.org \
         -vault-path /databases/test
+        -envs-prefix="JOPA_"
 ```
 Output:
 ```
 VAULT_RETRIEVER=vault-envs
-env1=value1
-env2=value2
+JOPA_env1=value1
+JOPA_env2=value2
 ```
 Ok, you got your values in ENV variables format, additional mark of vault-envs added. Now export variables to current session:
 ```

main.go

@@ -13,6 +13,7 @@ var (
 	token            = flag.String("token", "", "Set token to authorize API requests")
 	vaultURL         = flag.String("vault-url", "", "Set Vault URL, like https://vault.myproject.ru:8000")
 	vaultPath        = flag.String("vault-path", "", "Set KV secrets path, like /databases/postgres-main")
+	envsPrefix       = flag.String("envs-prefix", "", "Set ENVs prefix if same named secrets already exported")
 	vaultTimeoutFlag = flag.String("timeout", "10s", "Set timeout to connect in seconds")
 	vaultTimeout     = time.Duration(0 * time.Second)
 )
@@ -62,7 +63,7 @@ func main() {
 	}
 
 	for varname, value := range vaultData.Data {
-		fmt.Printf("%v=%v\n", varname, value)
+		fmt.Printf("%v%v=%v\n", *envsPrefix, varname, value)
 	}
 
 }