update centos docker

tasks/docker.yml

@@ -74,36 +74,15 @@
     name: docker-ce
     description: docker-ce
     baseurl: '{{mirror_docker}}/linux/{{ ansible_distribution|lower }}/{{ansible_distribution_major_version}}/$basearch/stable'
-    ip_resolve: 4
+    ip_resolve: 'IPv4'
     gpgkey: '{{mirror_docker}}/linux/{{ ansible_distribution|lower }}/gpg'
-  when: ansible_os_family == "RedHat" and ansible_distribution_major_version|int < 8
-- name: docker yum 源 (CentOS 8)
-  become: true
-  yum_repository:
-    name: docker-ce
-    description: docker-ce
-    baseurl: '{{mirror_docker}}/linux/centos/7/$basearch/stable'
-    ip_resolve: 4
-    gpgkey: '{{mirror_docker}}/linux/7/gpg'
-  when: ansible_os_family == "RedHat" and ansible_distribution_major_version|int == 8
-- name: containerd.io
-  become: true
-  dnf:
-    name: '{{mirror_docker}}/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm'
-  when: ansible_os_family == "RedHat" and ansible_distribution_major_version|int == 8
+  when: ansible_os_family == "RedHat" and ansible_distribution_major_version|int <= 8
 - name: 安装 Docker (yum)
   become: true
   yum:
     name: docker-ce,docker-ce-cli,containerd.io
     update_cache: yes
-  when: ansible_os_family == 'RedHat' and ansible_distribution_major_version|int < 8
-  notify: restart_docker
-- name: 安装 Docker (CentOS 8)
-  become: true
-  dnf:
-    name: docker-ce,docker-ce-cli,containerd.io
-    update_cache: yes
-  when: ansible_os_family == 'RedHat' and ansible_distribution_major_version|int == 8
+  when: ansible_os_family == 'RedHat' and ansible_distribution_major_version|int <= 8
   notify: restart_docker
 - name: 安装 Docker (Fedora)
   become: true
@@ -117,7 +96,8 @@
   user:
     name: '{{ansible_user_id}}'
     append: true
-    groups: docker
+    groups:
+      - docker
   when: ansible_user_id != 'root'
 - name: docker-compose requests workaround
   become: true