use ga actions lib instead of own stuff

go.mod

@@ -5,6 +5,7 @@ go 1.21.1
 require (
 	github.com/hashicorp/vault/api v1.10.0
 	github.com/pkg/errors v0.9.1
+	github.com/sethvargo/go-githubactions v1.1.0
 	github.com/sirupsen/logrus v1.9.3
 )
 
@@ -23,6 +24,7 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
+	github.com/sethvargo/go-envconfig v0.8.0 // indirect
 	golang.org/x/crypto v0.6.0 // indirect
 	golang.org/x/net v0.7.0 // indirect
 	golang.org/x/sys v0.5.0 // indirect

go.sum

@@ -14,6 +14,7 @@ github.com/go-test/deep v1.0.2/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3a
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
+github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
 github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -62,6 +63,10 @@ github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndr
 github.com/ryanuber/columnize v2.1.0+incompatible/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
 github.com/ryanuber/go-glob v1.0.0 h1:iQh3xXAumdQ+4Ufa5b25cRpC5TYKlno6hsv6Cb3pkBk=
 github.com/ryanuber/go-glob v1.0.0/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIHxIXzX/Yc=
+github.com/sethvargo/go-envconfig v0.8.0 h1:AcmdAewSFAc7pQ1Ghz+vhZkilUtxX559QlDuLLiSkdI=
+github.com/sethvargo/go-envconfig v0.8.0/go.mod h1:Iz1Gy1Sf3T64TQlJSvee81qDhf7YIlt8GMUX6yyNFs0=
+github.com/sethvargo/go-githubactions v1.1.0 h1:mg03w+b+/s5SMS298/2G6tHv8P0w0VhUFaqL1THIqzY=
+github.com/sethvargo/go-githubactions v1.1.0/go.mod h1:qIboSF7yq2Qnaw2WXDsqCReM0Lo1gU4QXUWmhBC3pxE=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

main.go

@@ -1,21 +1,15 @@
 package main
 
 import (
-	"fmt"
 	"os"
 	"strings"
 
 	vault "github.com/hashicorp/vault/api"
 	"github.com/pkg/errors"
+	ga "github.com/sethvargo/go-githubactions"
 	"github.com/sirupsen/logrus"
 )
 
-const (
-	eol                = "\n"
-	multiLineFileDelim = "_GitHubActionsFileCommandDelimeter_"
-	multilineFileCmd   = "%s<<" + multiLineFileDelim + eol + "%s" + eol + multiLineFileDelim // ${name}<<${delimiter}${os.EOL}${convertedVal}${os.EOL}${delimiter}
-)
-
 var vaultClient *vault.Client
 
 func main() {
@@ -24,25 +18,25 @@ func main() {
 	logrus.Printf("Environment: %s", os.Environ())
 
 	vaultClient, err = vault.NewClient(&vault.Config{
-		Address: getInput("url"),
+		Address: ga.GetInput("url"),
 	})
 
 	if err != nil {
 		logrus.WithError(err).Fatal("error creating vault client")
 	}
 
-	switch getInput("method") {
+	switch ga.GetInput("method") {
 	case "approle":
 		if err := setVaultTokenFromRoleID(); err != nil {
 			logrus.WithError(err).Fatal("error setting vault token from role id")
 		}
 	case "token":
-		vaultClient.SetToken(getInput("token"))
+		vaultClient.SetToken(ga.GetInput("token"))
 	default:
 		logrus.Fatal("no credentials found")
 	}
 
-	exprs := strings.Split(getInput("secrets"), ";")
+	exprs := strings.Split(ga.GetInput("secrets"), ";")
 	for _, expr := range exprs {
 		p, k, o := parseExpression(strings.TrimSpace(expr))
 		logrus.Infof("%q => %q => %q", p, k, o)
@@ -52,9 +46,8 @@ func main() {
 			logrus.WithError(err).Fatal("error reading credential")
 		}
 
-		if err := setOutput(o, s); err != nil {
+		ga.SetOutput(o, s)
-			logrus.WithError(err).WithField("key", o).Fatal("error setting output")
+		ga.SetEnv(o, s)
-		}
 	}
 }
 
@@ -113,11 +106,11 @@ func getVaultSecret(p string) (*vault.Secret, error) {
 
 func setVaultTokenFromRoleID() error {
 	data := map[string]any{
-		"role_id": getInput("roleid"),
+		"role_id": ga.GetInput("roleid"),
 	}
 
-	if getInput("secretid") != "" {
+	if ga.GetInput("secretid") != "" {
-		data["secret_id"] = getInput("secretid")
+		data["secret_id"] = ga.GetInput("secretid")
 	}
 
 	loginSecret, err := vaultClient.Logical().Write("auth/approle/login", data)
@@ -129,51 +122,3 @@ func setVaultTokenFromRoleID() error {
 
 	return nil
 }
-
-func getInput(i string) string {
-	e := strings.ReplaceAll(i, " ", "_")
-	e = strings.ToUpper(e)
-	e = "INPUT_" + e
-
-	return strings.ReplaceAll(strings.TrimSpace(os.Getenv(e)), "\\n", "\n")
-}
-
-func setOutput(k, v string) (err error) {
-	msg := fmt.Sprintf(multilineFileCmd, k, v)
-	outputFilepath := os.Getenv("GITHUB_OUTPUT")
-
-	f, err := os.OpenFile(outputFilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
-	if err != nil {
-		return errors.Wrap(err, "open output file")
-	}
-
-	defer func() {
-		if cErr := f.Close(); cErr != nil && err == nil {
-			err = cErr
-		}
-	}()
-
-	if _, err = f.Write([]byte(msg)); err != nil {
-		return errors.Wrap(err, "write to output")
-	}
-
-	envFilepath := os.Getenv("GITHUB_ENV")
-
-	envFile, err := os.OpenFile(envFilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
-	if err != nil {
-		return errors.Wrap(err, "open env file")
-	}
-
-	defer func() {
-		if cErr := envFile.Close(); cErr != nil && err == nil {
-			err = cErr
-		}
-	}()
-	envMsg := fmt.Sprintf("%s=\"%s\"\n", k, strings.ReplaceAll(v, "\n", "\\n"))
-
-	if _, err := envFile.Write([]byte(envMsg)); err != nil {
-		return errors.Wrap(err, "write to env file")
-	}
-
-	return nil
-}