我有一个以前的任务,该任务每周备份,用服务器名称标记它们,然后标记日期/时间标签。这项工作的目的是进入它后面并清理旧的AMI备份,仅留下最后3. ec2_ami_find
任务效果很好,但它也可以为某些服务器返回空的结果,我希望Deregister任务处理。
我遇到的错误非常通用:
致命:[127.0.0.1]:失败!=> { "失败":是的, " msg":"条件检查'item.ec2_ami_find.Exists的失败。错误是:错误在评估有条件的同时 (item.ec2_ami_find.exists):'dict对象'没有属性 'ec2_ami_find' n n错误似乎已在 '/root/ansible/ec2-backups-purge/roles/first_acct/tasks/main.yml':第25行, 第3列,但可以根据确切的确切位置中的其他位置 语法问题。 n n有问题的行似乎是: n n n-名称: deregister old备份 n ^在这里 n"
剧本任务如下:
---
- name: Find old backups
tags: always
ec2_ami_find:
owner: self
aws_access_key: "{{ access_key }}"
aws_secret_key: "{{ secret_key }}"
region: "{{ aws_region }}"
ami_tags:
Name: "{{ item }}-weekly-*"
sort: name
sort_order: descending
sort_start: 3
with_items:
- server-01
- server-02
- server-win-01
- downloads
register: stale_amis
- name: Deregister old backups
tags: always
ec2_ami:
aws_access_key: "{{ access_key }}"
aws_secret_key: "{{ secret_key }}"
region: "{{ aws_region }}"
image_id: "{{ item.ami_id }}"
delete_snapshot: True
state: absent
with_items:
- "{{ stale_amis.results }}"
结果之一的片段返回:
"results": [
{
"ami_id": "ami-zzzzzzz",
"architecture": "x86_64",
"block_device_mapping": {
"/dev/xvda": {
"delete_on_termination": true,
"encrypted": false,
"size": 200,
"snapshot_id": "snap-xxxxxxxxxxxxx",
"volume_type": "gp2"
}
},
"creationDate": "2017-08-01T15:26:11.000Z",
"description": "Weekly backup via Ansible",
"hypervisor": "xen",
"is_public": false,
"location": "111111111111/server-01.example.com-20170801152611Z",
"name": "server-01.example.com-20170801152611Z",
"owner_id": "111111111111",
"platform": null,
"root_device_name": "/dev/xvda",
"root_device_type": "ebs",
"state": "available",
"tags": {
"Name": "server-01-weekly-20170801152611Z",
"Type": "weekly"
},
"virtualization_type": "hvm"
},
我怀疑您的尝试:
with_items:
- "{{ stale_amis.results }}"
因为ec2_ami_find
将结果放入自己的results
字段中。因此,第一台服务器的第一个AMI将是stale_amis.results[0].results[0].ami_id
我建议将原始stale_amis
减少到所需的列表并循环循环。例如,您可以使用json_query
过滤器:
- ec2_ami:
aws_access_key: "{{ access_key }}"
aws_secret_key: "{{ secret_key }}"
region: "{{ aws_region }}"
image_id: "{{ item }}"
delete_snapshot: True
state: absent
with_items: "{{ stale_amis | json_query('results[].results[].ami_id') }}"