修复ansible条件判断可能失败问题

roles/docker/tasks/main.yml

@@ -30,6 +30,11 @@
   shell: systemctl daemon-reload && systemctl enable docker && systemctl restart docker
 
 ## 可选 ------安装docker查询镜像 tag的小工具----
+# 先拉取下节点的ansible setup信息，起到缓存效果，否则后续when 判断可能失败
+- name: 缓存ansilbe setup信息
+  setup: gather_subset=min
+  tags: docker-tag
+
 - name: apt安装轻量JSON处理程序
   apt: name=jq state=latest
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16"

roles/lb/tasks/main.yml

@@ -1,13 +1,16 @@
-# 
+# 先拉取下节点的ansible setup信息，起到缓存效果，否则后续when 判断可能失败
+- name: 缓存ansilbe setup信息
+  setup: gather_subset=min
+ 
 - name: apt更新缓存刷新
   apt: update_cache=yes cache_valid_time=72000
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16"
 
-- name: apt安装 haproxy using apt
+- name: apt安装 haproxy
   apt: name=haproxy state=latest
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16"
 
-- name: yum安装 haproxy using yum
+- name: yum安装 haproxy
   yum: name=haproxy state=latest
   when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"
 
@@ -17,11 +20,11 @@
 - name: 配置 haproxy
   template: src=haproxy.cfg.j2 dest=/etc/haproxy/haproxy.cfg
 
-- name: apt安装 keepalived using apt
+- name: apt安装 keepalived
   apt: name=keepalived state=latest
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16"
 
-- name: yum安装 keepalived using yum
+- name: yum安装 keepalived
   yum: name=keepalived state=latest
   when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"