Correct docker package on openEuler

1. openEuler support docker rpm package by default. It names docker.
2. the docker umask on openEuler is too strict.

This Patch correct the package name and set the umaks to normal on openEuler

bp: support-openeuler-os
Change-Id: I1cc5daee133f11f3b012232cf7434affb065643a

roles/baremetal/defaults/main.yml

@@ -1,6 +1,6 @@
 ---
 # Whether to enable a package repository for Docker.
-enable_docker_repo: true
+enable_docker_repo: "{% if ansible_facts.distribution == 'openEuler' %}false{% else %}true{% endif %}"
 
 # Docker APT repository configuration.
 docker_apt_url: "https://download.docker.com/linux/{{ ansible_facts.distribution | lower }}"
@@ -51,7 +51,7 @@ disable_firewall: True
 
 docker_storage_driver: ""
 docker_custom_option: ""
-docker_custom_config: {}
+docker_custom_config: "{% if ansible_facts.distribution == 'openEuler' %}{\"exec-opts\": [\"native.umask=normal\"]}{% else %}{}{% endif %}"
 
 docker_http_proxy: ""
 docker_https_proxy: ""
@@ -72,6 +72,10 @@ debian_pkg_install:
  - "{% if enable_multipathd|bool %}sg3-utils-udev{% endif %}"
  - "{% if not docker_disable_default_iptables_rules | bool %}iptables{% endif %}"
 
+openeuler_pkg_install:
+ - docker
+ - python3-docker
+
 redhat_pkg_install:
  - "{{ docker_yum_package }}"
  - git

roles/baremetal/tasks/install.yml

@@ -90,7 +90,18 @@
     state: present
     update_cache: yes
   become: True
-  when: ansible_facts.os_family == 'RedHat'
+  when:
+    - ansible_facts.os_family == 'RedHat'
+    - ansible_facts.distribution != 'openEuler'
+  register: rpm_install_result
+
+- name: Install RPM packages for openEuler
+  package:
+    name: "{{ (openeuler_pkg_install | join(' ')).split() }}"
+    state: present
+    update_cache: yes
+  become: True
+  when: ansible_facts.distribution == 'openEuler'
   register: rpm_install_result
 
 # If any packages were updated, and any containers were running, wait for the