Merge pull request #8 from cuisongliu/master

Adding network interface config and uninstall task

hosts

@@ -27,5 +27,6 @@ k8s-node
 [all:vars]
 vip=10.1.86.209
 k8s_version=1.11.1
+ip_interface=eth.*
 etcd_crts=["ca-key.pem","ca.pem","client-key.pem","client.pem","member1-key.pem","member1.pem","server-key.pem","server.pem","ca.csr","client.csr","member1.csr","server.csr"]
 k8s_crts=["apiserver.crt","apiserver-kubelet-client.crt","ca.crt", "front-proxy-ca.key","front-proxy-client.key","sa.pub", "apiserver.key","apiserver-kubelet-client.key",  "ca.key",  "front-proxy-ca.crt",  "front-proxy-client.crt" , "sa.key"]

roles/kube-master/templates/calico.yaml.j2

@@ -143,7 +143,7 @@ spec:
 
             # TODO using config
             - name: IP_AUTODETECTION_METHOD
-              value: interface=eth.*
+              value: interface={{ ip_interface }}
 
             # Choose the backend to use.
             - name: CALICO_NETWORKING_BACKEND

roles/uninstall-all.yaml

+---
+- hosts: k8s-all
+  roles:
+  - { role: uninstall }

roles/uninstall/tasks/main.yaml

+- name: uninstall every node 
+  shell: 'cd /root && {{ item }}'
+  with_items:
+  - rm -rf *
+  - kubeadm reset -f
+  - rm -rf ~/.kube/
+  - rm -rf /etc/kubernetes/
+  - rm -rf /etc/systemd/system/kubelet.service.d
+  - rm -rf /etc/systemd/system/kubelet.service
+  - rm -rf /usr/bin/kube*
+  - rm -rf /etc/cni
+  - rm -rf /opt/cni
+  - rm -rf /var/lib/etcd
+  - rm -rf /etc/keepalived
+  - rm -rf /etc/haproxy
+  - rm -rf /var/etcd