Set machine timezone

Added an option to podman machine init to declare the timezone of the
resulting machine.  the default is to use the value of the host name or
else a given timezone name like America/Chicago.

Fixes: #11895

Signed-off-by: Brent Baude <bbaude@redhat.com>

[NO NEW TESTS NEEDED]

Signed-off-by: Brent Baude <bbaude@redhat.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/pkg/machine/ignition_linux.go b/pkg/machine/ignition_linux.go
new file mode 100644
index 000000000..6db5a8e7a
--- /dev/null
+++ b/pkg/machine/ignition_linux.go
@@ -0,0 +1,15 @@
+package machine
+
+import (
+	"os/exec"
+	"strings"
+)
+
+func getLocalTimeZone() (string, error) {
+	output, err := exec.Command("timedatectl", "show", "--property=Timezone").Output()
+	if err != nil {
+		return "", err
+	}
+	// Remove prepended field and the newline
+	return strings.TrimPrefix(strings.TrimSuffix(string(output), "\n"), "Timezone="), nil
+}