Complete rewrite of the bootstraper tool

pkg/utils/main.go

@@ -1,6 +1,9 @@
 package utils
 
 import (
+	"bytes"
+	"os/exec"
+
 	"github.com/hashicorp/hcl/v2"
 )
 
@@ -15,3 +18,15 @@ func CheckDiags(diag hcl.Diagnostics) {
 		panic(diag.Error())
 	}
 }
+
+// Execute a system command ...
+func RunSystemCommand(name string, arg ...string) ([]byte, []byte, error) {
+	var stdOut bytes.Buffer
+	var stdErr bytes.Buffer
+
+	cmd := exec.Command(name, arg...)
+	cmd.Stderr = &stdErr
+	cmd.Stdout = &stdOut
+	err := cmd.Run()
+	return stdOut.Bytes(), stdErr.Bytes(), err
+}

pkg/utils/os.go

@@ -0,0 +1,27 @@
+package utils
+
+import (
+	"fmt"
+
+	ini "gopkg.in/ini.v1"
+)
+
+var osReleaseFile = "/etc/os-release"
+
+func ReadOSRelease() (map[string]string, error) {
+	cfg, err := ini.Load(osReleaseFile)
+	if err != nil {
+		return nil, fmt.Errorf("Fail to read file: %v ", err)
+	}
+
+	ConfigParams := make(map[string]string)
+	ConfigParams["ID"] = cfg.Section("").Key("ID").String()
+	idLike := cfg.Section("").Key("ID_LIKE").String()
+	if idLike != "" {
+		ConfigParams["ID_LIKE"] = idLike
+	} else {
+		ConfigParams["ID_LIKE"] = ConfigParams["ID"]
+	}
+
+	return ConfigParams, nil
+}