work on setting the hostname in the patchset

1 files changed, 22 insertions, 0 deletions

diff --git a/hostname_linux.go b/hostname_linux.go
new file mode 100644
index 0000000..4ab6dee
--- /dev/null
+++ b/hostname_linux.go
@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"syscall"
+)
+
+// GetFullHostname returns the hostname + domain name (if set).
+func getFullHostname() (string, error) {
+	host, err := os.Hostname()
+	if err != nil {
+		return "", fmt.Errorf("failed to get hostname: %w", err)
+	}
+
+	domain, err := getDomainName()
+	if err != nil || domain == "" {
+		return host, nil // fallback to short hostname
+	}
+
+	return fmt.Sprintf("%s.%s", host, domain), nil
+}