上下文:我的系统包含来自不同存储控制器的磁盘组合,因此每种类型的磁盘都有不同的用途。在我去的时候,我是新手学习和学习的。编写一个从每种类型的控制器获取磁盘的剧本,以便我可以设置它们。
防爆。以下是来自#'filter = ansible_devices *'的示例输出... sdz设备来自SATA控制器。在我的其他主机上它可能并不总是sdz ..所以我想得到设备名称并存储在一个变量中,如果事实上设备有“主机”:“SATA控制器”。我想也许我需要遍历ansible_devices词典,找到匹配的键(“主机”:“SATA控制器”),然后获取它的父命令即设备。有没有办法做到这一点......或更简单的方法? :)
"sdz": {
"holders": [
"mpathz"
],
"host": "SATA controller: Intel Corporation C610/X99 series chipset 6-Port SATA Controller [AHCI mode] (rev 05)",
"links": {
"ids": [
"ata-SAMSUNG_MZ7GE960HMHP-00003_S1Y2NYAFC02269",
"wwn-0x50025388003aeb2a"
],
"labels": [],
"masters": [
"dm-19"
],
"uuids": []
},
"model": "SAMSUNG MZ7GE960",
"partitions": {},
"removable": "0",
"rotational": "0",
"sas_address": null,
"sas_device_handle": null,
"scheduler_mode": "cfq",
"sectors": "1875385008",
"sectorsize": "512",
"serial": "S1Y2NYAFC02269",
"size": "894.25 GB",
"support_discard": "512",
"vendor": "ATA",
"virtual": 1,
"wwn": "0x50025388003aeb2a"
假设ansible_devices
已经设置为变量,那么剧本中的任务片段应该这样做
tasks:
- name: get device name
set_fact:
device_name: "{{ item.key }}"
no_log: True
with_dict: "{{ ansible_devices }}"
when: "item.value.host.startswith('SATA')"
- name: show all values for selected device name
debug: var=ansible_devices[device_name]
- name: show only device name
debug: var=device_name
set_fact将获取您的设备名称。这两个调试语句将分别转储所有设备值和设备名称。