add archlinux support

Signed-off-by: erdii <[email protected]>

config/cluster/host.go

@@ -379,6 +379,22 @@ func (h *Host) NeedIPTables() bool {
 	return !h.Configurer.CommandExist(h, "iptables")
 }
 
+// NeedInetUtils returns true when the inetutils package is needed on the host to run `hostname`.
+// Placing this check here is kind of meh because this package probably only exists on arch.
+func (h *Host) NeedInetUtils() bool {
+	// Windows does not need inetutils
+	if h.Configurer.Kind() == "windows" {
+		return false
+	}
+
+	// Only arch has/needs this package.
+	if h.OSVersion.IDLike != "arch" {
+		return false
+	}
+
+	return !h.Configurer.CommandExist(h, "inetutils")
+}
+
 // WaitKubeAPIReady blocks until the local kube api responds to /version
 func (h *Host) WaitKubeAPIReady() error {
 	// If the anon-auth is disabled on kube api the version endpoint will give 401

configurer/linux/archlinux.go

@@ -0,0 +1,25 @@
+package linux
+
+import (
+	"github.com/k0sproject/k0sctl/configurer"
+	"github.com/k0sproject/rig"
+	"github.com/k0sproject/rig/os/linux"
+	"github.com/k0sproject/rig/os/registry"
+)
+
+// ArchlinuxARM provides OS support for ArchlinuxARM systems
+type ArchlinuxARM struct {
+	linux.ArchlinuxARM
+	configurer.Linux
+}
+
+func init() {
+	registry.RegisterOSModule(
+		func(os rig.OSVersion) bool {
+			return os.IDLike == "arch"
+		},
+		func() interface{} {
+			return &ArchlinuxARM{}
+		},
+	)
+}

phase/prepare_hosts.go

@@ -51,6 +51,10 @@ func (p *PrepareHosts) prepareHost(h *cluster.Host) error {
 		pkgs = append(pkgs, "iptables")
 	}
 
+	if h.NeedInetUtils() {
+		pkgs = append(pkgs, "inetutils")
+	}
+
 	if len(pkgs) > 0 {
 		log.Infof("%s: installing packages (%s)", h, strings.Join(pkgs, ", "))
 		if err := h.Configurer.InstallPackage(h, pkgs...); err != nil {