Fix can't remove etcd node (#6363)

* add remove_node_ip

* move remove_node_ip to remove etcd part

* fix: remove tail space

* fix: handle ubuntu: focal

roles/remove-node/post-remove/tasks/main.yml

@@ -1,16 +1,4 @@
 ---
-- name: Lookup node IP in kubernetes
-  shell: >-
-    {{ bin_dir }}/kubectl get nodes {{ node }}
-    -o jsonpath='{range.status.addresses[?(@.type=="InternalIP")]}{.address}{"\n"}{end}'
-  register: remove_node_ip
-  when:
-    - inventory_hostname in groups['etcd']
-    - ip is not defined
-    - access_ip is not defined
-  delegate_to: "{{ groups['etcd']|first }}"
-  failed_when: false
-
 - name: Delete node
   command: "{{ bin_dir }}/kubectl delete node {{ inventory_hostname }}"
   delegate_to: "{{ groups['kube-master']|first }}"

roles/remove-node/remove-etcd-node/tasks/main.yml

@@ -1,4 +1,16 @@
 ---
+- name: Lookup node IP in kubernetes
+  shell: >-
+    {{ bin_dir }}/kubectl get nodes {{ node }}
+    -o jsonpath='{range.status.addresses[?(@.type=="InternalIP")]}{.address}{"\n"}{end}'
+  register: remove_node_ip
+  when:
+    - inventory_hostname in groups['etcd']
+    - ip is not defined
+    - access_ip is not defined
+  delegate_to: "{{ groups['etcd']|first }}"
+  failed_when: false
+
 - name: Set node IP
   set_fact:
     node_ip: "{{ ip | default(access_ip | default(remove_node_ip.stdout)) | trim }}"

roles/reset/tasks/main.yml

@@ -1,5 +1,4 @@
 ---
-
 - name: reset | include file with pre-reset tasks specific to the network_plugin if exists
   include_tasks: "{{ (role_path + '/../network_plugin/' + kube_network_plugin + '/tasks/pre-reset.yml') | realpath  }}"
   when:
@@ -142,7 +141,7 @@
 
 - name: reset | unmount kubelet dirs
   command: umount -f {{ item }}
-  with_items: '{{ mounted_dirs.stdout_lines }}'
+  with_items: "{{ mounted_dirs.stdout_lines }}"
   register: umount_dir
   retries: 4
   until: umount_dir.rc == 0
@@ -296,7 +295,7 @@
       {%- else -%}
       network
       {%- endif -%}
-      {%- elif ansible_distribution == "Ubuntu" and ansible_distribution_release == "bionic" -%}
+      {%- elif ansible_distribution == "Ubuntu" and ansible_distribution_release in ["bionic", "focal"] -%}
       systemd-networkd
       {%- elif ansible_os_family == "Debian" -%}
       networking