Merge pull request #328 from AkihiroSuda/dev

Add `make kubeadm-reset`

Makefile

@@ -64,6 +64,7 @@ help:
 	@echo '# Debug'
 	@echo 'make logs'
 	@echo 'make shell'
+	@echo 'make kubeadm-reset'
 	@echo 'make down-v'
 	@echo 'kubectl taint nodes --all node-role.kubernetes.io/control-plane-'
 
@@ -143,6 +144,10 @@ kubeadm-join:
 	$(NODE_SHELL) /usernetes/join-command
 	@echo "# Run 'make sync-external-ip' on the control plane"
 
+.PHONY: kubeadm-reset
+kubeadm-reset:
+	$(NODE_SHELL) kubeadm reset --force
+
 .PHONY: install-flannel
 install-flannel:
 	$(NODE_SHELL) kubectl apply -f https://github.com/flannel-io/flannel/releases/download/v0.24.4/kube-flannel.yml

README.md

@@ -106,6 +106,7 @@ make sync-external-ip
 # Debug
 make logs
 make shell
+make kubeadm-reset
 make down-v
 kubectl taint nodes --all node-role.kubernetes.io/control-plane-
 ```