Added kubeadm configuration file for backup and recovery (hitachiener…

…gy#340)

core/core/src/ansible/roles/backup/tasks/main.yml

@@ -42,6 +42,18 @@
     --key=/backup/pki/etcd/healthcheck-client.key \
     snapshot save /backup/etcd-snapshot.db
 
+- name: Check if kubeadm configuration file exists
+  stat:
+    path: /etc/kubeadm/kubeadm-config.yml
+  register: stat_result
+
+- name: Backup kubeadm configuration file
+  copy:
+    src: /etc/kubeadm/kubeadm-config.yml
+    dest: "{{ backup_dir }}/tmp"
+    remote_src: yes
+  when: stat_result.stat.exists
+
 - name: Set variable with current timestamp
   set_fact: timestamp="{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}"
 

core/core/src/ansible/roles/recovery/tasks/main.yml

@@ -60,8 +60,31 @@
     --rm "{{ etcd_image_name.stdout }}" \
     /bin/sh -c "etcdctl snapshot restore '/backup/etcd-snapshot.db'; mv /default.etcd/member/ /var/lib/etcd/"
 
+- name: Check if kubeadm configuration file exists
+  stat:
+    path: "{{ backup_dir }}/tmp/kubeadm-config.yml"
+  register: stat_result
+
+- name: Create directory for kubeadm configuration file
+  file:
+    path: /etc/kubeadm
+    state: directory
+  when: stat_result.stat.exists
+
+- name: Restore kubeadm configuration file
+  copy:
+    src: "{{ backup_dir }}/tmp/kubeadm-config.yml"
+    dest: "/etc/kubeadm/kubeadm-config.yml"
+    remote_src: yes
+  when: stat_result.stat.exists
+
+- name: Initialize the master with backup including kubeadm configuration file
+  shell: kubeadm init --ignore-preflight-errors=DirAvailable--var-lib-etcd,NumCPU --config /etc/kubeadm/kubeadm-config.yml
+  when: stat_result.stat.exists
+
 - name: Initialize the master with backup
   shell: kubeadm init --ignore-preflight-errors=DirAvailable--var-lib-etcd,NumCPU
+  when: not stat_result.stat.exists
 
 - name: Wait for all nodes to be ready
   environment: