Allow customizing pod hostname

* set hostname in pod yaml file
* set --hostname in pod create command

Signed-off-by: Chen Zhiwei <zhiweik@gmail.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/libpod/options.go b/libpod/options.go
index 7fbd0016a..bce07f301 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -1488,6 +1488,24 @@ func WithPodName(name string) PodCreateOption {
 	}
 }
 
+// WithPodHostname sets the hostname of the pod.
+func WithPodHostname(hostname string) PodCreateOption {
+	return func(pod *Pod) error {
+		if pod.valid {
+			return define.ErrPodFinalized
+		}
+
+		// Check the hostname against a regex
+		if !nameRegex.MatchString(hostname) {
+			return regexError
+		}
+
+		pod.config.Hostname = hostname
+
+		return nil
+	}
+}
+
 // WithPodLabels sets the labels of a pod.
 func WithPodLabels(labels map[string]string) PodCreateOption {
 	return func(pod *Pod) error {