terraform/builtin/providers/external/test-programs/tf-acc-external-data-source/main.go

51 lines
1.0 KiB
Go

package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
)
// This is a minimal implementation of the external data source protocol
// intended only for use in the provider acceptance tests.
//
// In practice it's likely not much harder to just write a real Terraform
// plugin if you're going to be writing your data source in Go anyway;
// this example is just in Go because we want to avoid introducing
// additional language runtimes into the test environment.
func main() {
queryBytes, err := ioutil.ReadAll(os.Stdin)
if err != nil {
panic(err)
}
var query map[string]string
err = json.Unmarshal(queryBytes, &query)
if err != nil {
panic(err)
}
if query["fail"] != "" {
fmt.Fprintf(os.Stderr, "I was asked to fail\n")
os.Exit(1)
}
var result = map[string]string{
"result": "yes",
"query_value": query["value"],
}
if len(os.Args) >= 2 {
result["argument"] = os.Args[1]
}
resultBytes, err := json.Marshal(result)
if err != nil {
panic(err)
}
os.Stdout.Write(resultBytes)
os.Exit(0)
}