我已經在 Ansible 上掙扎了一段時間,最後請求任何可能的幫助,
擁有一套 Nifi 政策:
"nifi_raw_policies": [
{
"action": "read",
"group": "8c052e6c-0184-1000-0000-000072a0bb44",
"resource": "/data/process-groups/8b6b5c9f-0184-1000-57e3-f27fc56dd4aa"
},
{
"action": "read",
"group": "8c0536d8-0184-1000-0000-000018ba98a9",
"resource": "/data/process-groups/8b6b5c9f-0184-1000-57e3-f27fc56dd4aa"
}
]
我需要將它們分組以獲得:
"nifi_grouped_policies": [
{
"policy": "read/data/process-groups/8b6b5c9f-0184-1000-57e3-f27fc56dd4aa",
"groups": [ "8c052e6c-0184-1000-0000-000072a0bb44","8c0536d8-0184-1000-0000-000018ba98a9" ]
}
]
但到目前為止,我仍然無法按“操作”+“資源”鍵進行分組,在新字段“組”中獲取相關“組”的列表。我設法只取得形式為 { "action"+"resource" : "group1" }, ..., { "action"+"resource" : "groupN" } 的字典列表
相關ansible任務代碼:
- name: Declare policies (simplest)
set_fact:
nifi_raw_policies: [
{
"action": "read",
"group": "8c052e6c-0184-1000-0000-000072a0bb44",
"resource": "/data/process-groups/8b6b5c9f-0184-1000-57e3-f27fc56dd4aa"
},
{
"action": "read",
"group": "8c0536d8-0184-1000-0000-000018ba98a9",
"resource": "/data/process-groups/8b6b5c9f-0184-1000-57e3-f27fc56dd4aa"
}
]
- name: Declare policies - debug
debug: var=nifi_raw_policies
- name: Combine action and resource
set_fact:
nifi_policies: >-
{{ nifi_policies|default([])
| union([{
item.action + item.resource : item.group
}])
}}
with_items: "{{ nifi_raw_policies }}"
- name: Combine action and resource - debug
debug: var=nifi_policies
經過幾次嘗試使用結合,聯盟,透過...分組ansible 過濾器沒有成功。
此致,
答案1
由 Jinja 創建結構。例如,給定姆雷簡化數據
raw:
- action: read
group: 1
resource: data
- action: read
group: 2
resource: data
聲明字典如何重命名鍵
keys:
group: groups
resource: policy
並聲明結構
grouped: |
{% for i in raw|groupby('action') %}
{{ i.0 }}:
{% for k in i.1|json_query('[].keys(@)|[]')|unique %}
{% if k != 'action' %}
{{ keys[k] }}: {{ i.1|map(attribute=k)|unique }}
{% endif %}
{% endfor %}
{% endfor %}
給出
grouped: |-
read:
groups: [1, 2]
policy: ['data']
您只能取得值
grouped_vals: "{{ grouped|from_yaml|dict2items|map(attribute='value')|list }}"
給出
grouped_vals:
- groups: [1, 2]
policy: [data]
清單中的第一項就是您要尋找的內容。或者,你可以從字典查到它
nifi_grouped_policies: "{{ (grouped|from_yaml).read }}"
給出
nifi_grouped_policies:
groups: [1, 2]
policy: [data]
用於測試的完整劇本範例
- hosts: localhost
vars:
raw:
- action: read
group: 1
resource: data
- action: read
group: 2
resource: data
keys:
group: groups
resource: policy
grouped: |
{% for i in raw|groupby('action') %}
{{ i.0 }}:
{% for k in i.1|json_query('[].keys(@)|[]')|unique %}
{% if k != 'action' %}
{{ keys[k] }}: {{ i.1|map(attribute=k)|unique }}
{% endif %}
{% endfor %}
{% endfor %}
grouped_vals: "{{ grouped|from_yaml|dict2items|map(attribute='value')|list }}"
nifi_grouped_policies: "{{ (grouped|from_yaml).read }}"
tasks:
- debug:
var: grouped
- debug:
var: grouped_vals|to_yaml
- debug:
var: nifi_grouped_policies|to_yaml