Merge pull request #302 from AkihiroSuda/init-host

Move init-host out of the `hack` directory

README.md

@@ -70,6 +70,8 @@ EOF
 sudo sysctl --system
 ```
 
+Use scripts in [`./init-host`](./init-host) for automating these steps.
+
 ## Usage
 See `make help`.
 

hack/README.md

@@ -0,0 +1 @@
+This directory contains testing utilities.

hack/create-cluster-lxd.sh

@@ -7,9 +7,9 @@ SCP="scp -F ${HOME}/.u7s-ci-hosts/ssh_config"
 SSH="ssh -F ${HOME}/.u7s-ci-hosts/ssh_config"
 for host in host0 host1; do
 	$SCP -r "$(pwd)" "${host}:~/usernetes"
-	$SSH "${USER}-sudo@${host}" sudo "~${USER}/usernetes/hack/init-host.root.sh"
+	$SSH "${USER}-sudo@${host}" sudo "~${USER}/usernetes/init-host/init-host.root.sh"
 	$SSH "${USER}-sudo@${host}" sudo loginctl enable-linger "${USER}"
-	$SSH "${host}" ~/usernetes/hack/init-host.rootless.sh
+	$SSH "${host}" ~/usernetes/init-host/init-host.rootless.sh
 done
 
 # Launch a Kubernetes node inside a Rootless Docker host

init-host/README.md

@@ -0,0 +1,7 @@
+This directory contains scripts for initializing host operating systems.
+
+Usage:
+```bash
+sudo ./init-host.root.sh
+./init-host.rootless.sh
+```