Json 合并terraform v0.12中的词典列表
我想使用terraform执行以下操作: 我有两个JSON: 1.json:Json 合并terraform v0.12中的词典列表,json,terraform,Json,Terraform,我想使用terraform执行以下操作: 我有两个JSON: 1.json: [ { "description": "description1", "url": "url1", "data": "data1" }, { "description": "description2", "url": "url2", "data":
[
{
"description": "description1",
"url": "url1",
"data": "data1"
},
{
"description": "description2",
"url": "url2",
"data": "data2",
"action": "action2"
},
{
"description": "description3",
"url": "url3",
"data": "data3"
}
]
2.json:
[
{
"description": "description1",
"url": "url1",
"data": "data1"
},
{
"description": "description2_new",
"url": "url2",
"data": "data2_new"
},
{
"description": "description4",
"url": "url4",
"data": "data4"
}
]
我想把它们合并成一个。如果url键相同,则第二个JSON中的字典应覆盖第一个JSON中的字典。也就是说,组合JSON应该如下所示:
[
{
"description": "description1",
"url": "url1",
"data": "data1"
},
{
"description": "description2_new",
"url": "url2",
"data": "data2_new"
},
{
"description": "description3",
"url": "url3",
"data": "data3"
},
{
"description": "description4",
"url": "url4",
"data": "data4"
}
]
使用python,我可以轻松做到:
import json
with open('1.json') as f:
json1 = json.load(f)
with open('2.json') as f:
json2 = json.load(f)
def list_to_dict(json_list):
res_dict = {}
for d in json_list:
res_dict[d['url']] = d
return res_dict
def merge_json(json1, json2):
j1 = list_to_dict(json1)
j2 = list_to_dict(json2)
j1.update(j2)
res_list = []
for key in j1.keys():
res_list.append(j1[key])
return res_list
print(json.dumps(merge_json(json1, json2), indent=4))
我如何使用terraform实现这一点?使用terraform 0.12.x
$ cat main.tf
locals {
# read from files and turn into json
list1 = jsondecode(file("1.json"))
list2 = jsondecode(file("2.json"))
# iterate over lists and turn url into a unique key
dict1 = { for item in local.list1 : item.url => item }
dict2 = { for item in local.list2 : item.url => item }
# combine both dictionaries so values converge
# only take its values
merged = values(merge(local.dict1, local.dict2))
}
output "this" {
value = local.merged
}
令人惊叹的!谢谢比我想象的容易多了
$ terraform apply
Apply complete! Resources: 0 added, 0 changed, 0 destroyed.
Outputs:
this = [
{
"data" = "data1"
"description" = "description1"
"url" = "url1"
},
{
"data" = "data2_new"
"description" = "description2_new"
"url" = "url2"
},
{
"data" = "data3"
"description" = "description3"
"url" = "url3"
},
{
"data" = "data4"
"description" = "description4"
"url" = "url4"
},
]