我是 ansible 的新手,但我一直在尝试按环境正确安排我的库存(100 台服务器给予或获取),例如:
[dev]
server1
server2
[qa]
server3
server4
[prod]
server5
server6
这些服务器的名称上没有任何内容可以识别它们属于什么环境:(dev/qa/prod),而是连接到其中每一个并检索每个服务器中存在的文件 /foo/var/file ,该文件显示了服务器
到目前为止,我已经创建了这个
---
- hosts: ALL
gather_facts: no
tasks:
- name: return environment to registered var
shell: 'cat /foo/var/file'
register: environment
- template:
src: template.csv.j2
dest: list.csv
delegate_to: localhost
with_items: {{ environment }}
模板是:
{% for x in environment %}
['x']
{{ host }}
{% endfor %}
所以我只是想检索这些值以便能够用这些值创建某种库存
创建此库存的最佳方法是什么?
答案1
使用ansible_play_hosts和主机变量迭代注册值。例如,下面的清单、剧本和模板
shell> cat hosts
test_01
test_02
test_03
shell> cat pb.yml
- hosts: all
tasks:
- command: uptime
register: environment
- template:
src: template.csv.j2
dest: list.csv
delegate_to: localhost
shell> cat template.csv.j2
{% for host in ansible_play_hosts %}
{{ host }}, {{ hostvars[host]['environment']['stdout'] }}
{% endfor %}
给
shell> cat list.csv
test_01, 12:02AM up 62 days, 3:21, 2 users, load averages: 0.51, 0.65, 0.40
test_02, 12:02AM up 62 days, 3:21, 1 user, load averages: 0.51, 0.65, 0.40
test_03, 10:02PM up 62 days, 3:21, 1 user, load averages: 0.55, 0.65, 0.41