README.md

@@ -1,3 +1,6 @@
-Get() the full hostname for the OS.
+protobuf definition files for zookeeper
 
-* only cares about the hostname in DNS
+* experimental. at this point, it's just stubbed in
+* zookeeper is similar to the apache zookeeper project
+* you can use it to maintain the systems in your cluster
+* zookeeper works with virtigo to maintain your private cloud

common.go

@@ -1,47 +0,0 @@
-package hostname
-
-import (
-	"errors"
-	"fmt"
-	"net"
-	"strings"
-)
-
-var ErrorEmptyDomainName error = errors.New("domain name is empty")
-var ErrorDomainNameMisconfigured error = errors.New("your OS domain name is not configured correctly")
-
-// returns 'hostname', 'domainname'
-func Split(s string) (string, string) {
-	parts := strings.Fields(s)
-	if len(parts) == 0 {
-		return "", ""
-	}
-	if len(parts) == 1 {
-		return parts[0], ""
-	}
-	return parts[0], strings.Join(parts[1:], ".")
-}
-
-// checks to make sure there is a domainname
-func ValidDomainname(s string) error {
-	_, domainname := Split(s)
-	if domainname == "" {
-		return ErrorEmptyDomainName
-	}
-	return nil
-}
-
-func ReverseLookupFQDN(hostname string) (string, error) {
-	addrs, err := net.LookupIP(hostname)
-	if err != nil || len(addrs) == 0 {
-		return hostname, fmt.Errorf("failed to lookup IP for hostname %s: %w", hostname, err)
-	}
-
-	// Try reverse lookup on the first IP address
-	names, err := net.LookupAddr(addrs[0].String())
-	if err != nil || len(names) == 0 {
-		return hostname, fmt.Errorf("reverse DNS lookup failed for IP %s: %w", addrs[0].String(), err)
-	}
-
-	return names[0], nil
-}

get.go

@@ -1,8 +1,8 @@
 package hostname
 
-// returns the hostname
-// hostname is always set to the best effort
-// error is set if hostname isn't real
+// functions to import and export the protobuf
+// data to and from config files
+
 func Get() (string, error) {
 	hostname, err := osGetHostname()
 	return hostname, err

get_darwin.go

@@ -1,9 +1,10 @@
 package hostname
 
+// functions to import and export the protobuf
+// data to and from config files
+
 import (
-	"bytes"
-	"fmt"
-	"os/exec"
+	"os"
 )
 
 // scutil --get HostName
@@ -12,17 +13,6 @@ import (
 // scutil --set HostName my-mac.example.com
 
 func osGetHostname() (string, error) {
-	return scutil([]string{"-get", "HostName"})
-}
-
-// getDomainName executes the 'domainname' command and returns its output.
-func scutil(args []string) (string, error) {
-	cmd := exec.Command("scutil", args)
-	var out bytes.Buffer
-	cmd.Stdout = &out
-	if err := cmd.Run(); err != nil {
-		return "", fmt.Errorf("failed to execute 'scutil': %w", err)
-	}
-	domain := out.String()
-	return domain, nil
+	hostname, err := os.Hostname()
+	return hostname, err
 }

get_linux.go

@@ -4,39 +4,10 @@ package hostname
 // data to and from config files
 
 import (
-	"bytes"
-	"fmt"
 	"os"
-	"os/exec"
-	"strings"
 )
 
 func osGetHostname() (string, error) {
-	host, err := os.Hostname()
-	if err != nil {
-		return host, fmt.Errorf("failed to get hostname: %w", err)
-	}
-
-	domain, err := getDomainName()
-	if err != nil || domain == "" {
-		return host, err
-	}
-
-	return fmt.Sprintf("%s.%s", host, domain), nil
-}
-
-// getDomainName executes the 'domainname' command and returns its output.
-func getDomainName() (string, error) {
-	cmd := exec.Command("domainname")
-	var out bytes.Buffer
-	cmd.Stdout = &out
-	if err := cmd.Run(); err != nil {
-		return "", fmt.Errorf("failed to execute 'domainname': %w", err)
-	}
-	domain := strings.TrimSpace(out.String())
-	if domain == "(none)" {
-		return "", ErrorDomainNameMisconfigured
-	}
-
-	return domain, nil
+	hostname, err := os.Hostname()
+	return hostname, err
 }