{"id":47813,"date":"2023-07-16T22:51:42","date_gmt":"2023-12-27T10:05:46","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8azure-functions%e5%92%8cgraphene%e6%93%8d%e4%bd%9ccosmosdb%e6%95%b0%e6%8d%ae%e3%80%82\/"},"modified":"2024-04-30T13:56:17","modified_gmt":"2024-04-30T05:56:17","slug":"%e4%bd%bf%e7%94%a8azure-functions%e5%92%8cgraphene%e6%93%8d%e4%bd%9ccosmosdb%e6%95%b0%e6%8d%ae%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8azure-functions%e5%92%8cgraphene%e6%93%8d%e4%bd%9ccosmosdb%e6%95%b0%e6%8d%ae%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Azure Functions\u548cGraphene\u64cd\u4f5cCosmosDB\u6570\u636e"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

\u6211\u5011\u9019\u6b21\u958b\u59cb\u5728Azure Functions\u4e2d\u5be6\u65bdGraphQL API\uff0c\u6240\u4ee5\u6211\u60f3\u5c07\u5176\u4f5c\u70ba\u5099\u5fd8\u9304\u6574\u7406\u8d77\u4f86\u3002
\n\u4e0a\u4e00\u6b21\uff0c\u4f5c\u70baAzure Functions\u7684\u6e96\u5099\u5de5\u4f5c\uff0c\u6211\u5011\u5f9ePython\u4e2d\u6e96\u5099\u4e86\u8207Azure CosmosDB\u7684\u6578\u64da\u64cd\u4f5c\u3002\u4e0b\u4e00\u6b65\uff0c\u6211\u5011\u60f3\u8981\u5728Azure Functions\u4e2d\u6e96\u5099CosmosDB\u7684\u6578\u64da\u64cd\u4f5c\uff0c\u540c\u6642\u4f7f\u5176\u80fd\u5920\u4f5c\u70baAzure Functions\u7684HTTP\u8acb\u6c42\u4f86\u63a5\u6536GraphQL\u67e5\u8a62\u3002<\/p>\n

\u672c\u6587\u4ecb\u7ecd\u4e86\u5bf9AzureFunctions\u672c\u5730\u51fd\u6570\u7684\u786e\u8ba4\uff08\u7531\u4e8e\u5728\u8fd0\u884c\u65f6\u51fa\u73b0\u4e86\u6a21\u5757\u5bfc\u5165\u9519\u8bef\uff09\u3002AzureFunctions\u7684\u90e8\u7f72\u548c\u786e\u8ba4\u5c06\u5728\u53e6\u5916\u7684\u65f6\u95f4\u8fdb\u884c\u3002<\/p>\n

\u5173\u4e8eAzure Functions\uff0c\u5b98\u65b9\u6587\u6863\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6982\u8ff0\u548c\u8be6\u7ec6\u4fe1\u606f\u3002\u6b64\u5916\uff0c\u5b98\u65b9\u6587\u6863\u4e2d\u6709\u5173\u4e8e\u201c\u5728Azure\u4e0a\u521b\u5efa\u7b2c\u4e00\u4e2aPython\u51fd\u6570\u201d\u548c\u201c\u9762\u5411Azure Functions Python\u5f00\u53d1\u8005\u7684\u6307\u5357\u201d\uff0c\u63d0\u4f9b\u4e86\u914d\u7f6e\u3001\u5b9e\u73b0\u548c\u6559\u7a0b\u7b49\u5185\u5bb9\u3002 \u53ef\u4ee5\u53c2\u8003\u8fd9\u4e9b\u6587\u6863\u4ee5\u52a0\u6df1\u7406\u89e3\u3002<\/p>\n

\u5173\u4e8eGraphQL\u7684\u5b9e\u73b0\u90e8\u5206\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a\u540d\u4e3aGraphene\u7684\u5e93\uff0c\u5b83\u5728GraphQL\u7684\u6587\u6863\u4e2d\u4e5f\u6709\u4ecb\u7ecd\u3002\u5bf9\u4e8eGraphQL\uff0c\u6211\u5e0c\u671b\u80fd\u5b66\u4e60\u672f\u8bed\u548c\u89c4\u8303\u7b49\u65b9\u9762\u7684\u77e5\u8bc6\u3002<\/p>\n

2. \u9884\u5148\u51c6\u5907<\/h2>\n

\u8be5\u7ae0\u8282\u6db5\u76d6\u4e86\u5728\u672c\u5730\u5f00\u53d1Azure Functions\u6240\u9700\u7684\u5de5\u5177\u5b89\u88c5\u4ee5\u53ca\u521b\u5efa\u51fd\u6570\u9879\u76ee\u7684\u6a21\u677f\u3002\u5982\u679c\u60a8\u5df2\u7ecf\u8fdb\u884c\u4e86\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u8df3\u8fc7\u672c\u7ae0\u8282\u3002\u5728\u5b98\u65b9\u6587\u6863\u4e2d\u4e5f\u6709\u76f8\u5173\u8bf4\u660e\u3002<\/p>\n

2.1. \u5de5\u5177\u7684\u5b89\u88c5<\/h3>\n

\u4e3a\u4e86\u5728\u672c\u5730\u5f00\u53d1Azure Functions\uff0c\u9700\u8981\u5148\u5b89\u88c5.Net Core SDK\u548cAzure Functions Core Tools\u3002\u5728\u5f00\u53d1\u73af\u5883\u4e2d\uff0c\u5047\u8bbe\u4f7f\u7528macOS\u7cfb\u7edf\u3002<\/p>\n

\u8bf7\u4ece\u4ee5\u4e0b\u4f4d\u7f6e\u4e0b\u8f7d\u5e76\u5b89\u88c5.NET Core SDK\u3002
\n.NET Core 2.2 \u6784\u5efa\u5e94\u7528\u7a0b\u5e8f – SDK<\/p>\n

\u6309\u7167\u5b98\u65b9\u6587\u4ef6\u7684\u8bf4\u660e\uff0c\u53ef\u4ee5\u901a\u8fc7brew\u547d\u4ee4\u5b89\u88c5Auzre Functions Core Tools\u3002<\/p>\n

brew tap azure\/functions\r\nbrew install azure-functions-core-tools\r\n<\/code><\/pre>\n
Azure CLI\u4e5f\u53ef\u4ee5\u901a\u8fc7brew\u547d\u4ee4\u6765\u5b89\u88c5\uff0c\u6309\u7167\u5b98\u65b9\u6587\u6863\u7684\u8bf4\u660e\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
brew install azure-cli\r\n<\/code><\/pre>\n
2.2. \u51fd\u6570\u7684\u521d\u59cb\u8bbe\u7f6e<\/h3>\n
\u9879\u76ee\u540d\u79f0\u4e3aMyFunctionProj\uff0c\u5e76\u5c06\u51fd\u6570\u540d\u8bbe\u5b9a\u4e3aMyFunction\u3002
\n\u6839\u636e\u5b9e\u9645\u4f7f\u7528\u73af\u5883\u786e\u5b9a\u76f8\u5e94\u7684\u540d\u79f0\u5e76\u8fdb\u884c\u521b\u5efa\u3002<\/p>\n
\u521b\u5efa\u865a\u62df\u73af\u5883\u5e76\u6fc0\u6d3b\u3002<\/h4>\n
python3.6 -m venv .env\r\nsource .env\/bin\/activate\r\n<\/code><\/pre>\n
\u521b\u5efa\u672c\u5730\u51fd\u6570\u9879\u76ee<\/h4>\n
func init MyFunctionProj\r\n<\/code><\/pre>\n
Select a worker runtime: \r\n1. dotnet\r\n2. node\r\n3. python (preview)\r\n4. java\r\n5. powershell\r\nChoose option: 3\r\n<\/code><\/pre>\n
\u5efa\u7acb\u51fd\u6570<\/h4>\n
cd MyFunctionProj\r\nfunc new\r\n<\/code><\/pre>\n
Select a template:\r\n1. Blob trigger\r\n2. Cosmos DB trigger\r\n3. Event Grid trigger\r\n4. Event Hub trigger\r\n5. HTTP trigger\r\n6. Queue trigger\r\n7. Service Bus Queue trigger\r\n8. Service Bus Topic trigger\r\n9. Timer trigger\r\n\r\nChoose option: 5\r\nFunction name: MyFunction\r\n<\/code><\/pre>\n
4. \u6267\u884c\u672c\u5730\u51fd\u6570<\/h4>\n
pip install -r requirements.txt\r\nfunc host start \r\n<\/code><\/pre>\n
\u521b\u5efaAzure Functions<\/h4>\n
\u5047\u8bbe\u8d44\u6e90\u7ec4\u548c\u5b58\u50a8\u5e10\u6237\u5df2\u521b\u5efa\u3002
\n\u6211\u4eec\u8981\u521b\u5efa Azure Functions \u7684 Function App\u3002
\n\uff08\u4ee5\u4e0b\u547d\u4ee4\u672a\u90e8\u7f72 Application Insights\uff0c\u5982\u679c\u9700\u8981\u68c0\u67e5\u65e5\u5fd7\uff0c\u8bf7\u5355\u72ec\u90e8\u7f72\u3002\uff09<\/p>\n
az login\r\naz functionapp create --resource-group <resource_group_name> --os-type Linux \\\r\n--consumption-plan-location westeurope  --runtime python \\\r\n--name <azurefunctions_app_name> --storage-account  <storage_name>\r\n<\/code><\/pre>\n
6. \u5c06\u4ee3\u7801\u90e8\u7f72\u81f3Azure Functions\u3002<\/h4>\n
az login\r\ncd MyFunctionProj\r\nfunc azure functionapp publish <azurefunctions_app_name> --build-native-deps\r\n<\/code><\/pre>\n
\u5982\u679c\u51fa\u73b0\u4ee5\u4e0b\u5185\u5bb9\uff0c\u5219\u8868\u793a\u90e8\u7f72\u5df2\u5b8c\u6210\u3002<\/p>\n
Upload completed successfully.\r\nDeployment completed successfully.\r\n<\/code><\/pre>\n
\u5728\u6267\u884c\u90e8\u7f72\u547d\u4ee4\u65f6\uff0c\u6839\u636e\u5305\u7684\u4e0d\u540c\u53ef\u80fd\u9700\u8981\u6dfb\u52a0”–build-native-deps”\u9009\u9879\u8fdb\u884c\u6267\u884c\uff08\u5c06\u4f1a\u663e\u793a\u4ee5\u4e0b\u9519\u8bef\u4fe1\u606f\uff0c\u8bf7\u53c2\u8003\u76f8\u5173\u4fe1\u606f\uff09\u3002
\n\u6dfb\u52a0”–build-native-deps”\u9009\u9879\u4f1a\u5728Docker\u5bb9\u5668\uff08mcr.microsoft.com\/azure-functions\/python\u955c\u50cf\uff09\u5185\u90e8\u8fdb\u884cPython\u4ee3\u7801\u7684\u6784\u5efa\uff0c\u56e0\u6b64\u9700\u8981\u5b89\u88c5Docker\u73af\u5883\u3002<\/p>\n
binary dependencies without wheels are not supported.  \r\nUse the --build-native-deps option to automatically build and configure the dependencies using a Docker container. \r\nMore information at https:\/\/aka.ms\/func-python-publish\r\n<\/code><\/pre>\n
3. \u51fd\u6570\u7684\u5b9e\u73b0<\/h2>\n
3.1. \u5b9e\u65bd\u6982\u8ff0<\/h3>\n
\u6211\u60f3\u8981\u6dfb\u52a0\u4e4b\u524d\u521b\u5efa\u7684CosmosDB\u76f8\u5173\u4ee3\u7801\u548cGraphQL\u4ee3\u7801\uff0c\u5b9e\u73b0\u4e00\u4e2a\u6837\u4f8b\uff0c\u5f53\u6536\u5230HTTP POST\u7684GraphQL\u67e5\u8be2\u65f6\uff0c\u8fd4\u56de\u76f8\u5e94\u7684\u54cd\u5e94\u3002<\/p>\n
\u6309\u7167Azure Functions\u7684Python\u5f00\u53d1\u6307\u5357\uff0c\u5c06\u5171\u4eab\u4ee3\u7801\u4fdd\u5b58\u5728\u53e6\u4e00\u4e2a\u6587\u4ef6\u5939\u4e2d\uff0c\u5e76\u6539\u7528\u76f8\u5bf9\u5bfc\u5165\u7684\u65b9\u5f0f\u6765\u5bfc\u5165\u6a21\u5757\u3002<\/p>\n
\u6587\u4ef6\u5939\u7ed3\u6784\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
MyFunctionProj\r\n | - cosmosdb\r\n | | - __init__.py\r\n | | - config.py\r\n | | - cosmosdb.py\r\n | - graphqllib\r\n | | - __init__.py\r\n | | - graphql.py\r\n | - MyFunction\r\n | | - __init__.py\r\n | | - function.json\r\n | - .funcignore\r\n | - .gitignore\r\n | - host.json\r\n | - requirements.txt\r\n<\/code><\/pre>\n
\u5728 requirements.txt \u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4e24\u4e2a\u8981\u6c42\u3002<\/p>\n
azure-cosmos\r\ngraphene>=2.0\r\n<\/code><\/pre>\n
cosmosdb\u6587\u4ef6\u5939\u4e2d\u5b58\u653e\u7740\u7528\u4e8e\u64cd\u4f5cCosmosDB\u6570\u636e\u7684\u4ee3\u7801\uff0c\u8fd9\u662f\u4e0a\u6b21\u521b\u5efa\u7684\u3002
\ngraphql\u6587\u4ef6\u5939\u4e2d\u5b58\u653e\u7740\u5b9a\u4e49GraphQL\u6a21\u5f0f\u89e3\u6790\u5668\u4ee5\u53ca\u6267\u884c\u5b9e\u9645\u5904\u7406\u7684\u4ee3\u7801\u3002\u6211\u4eec\u4f7f\u7528Graphene\u6765\u5b9e\u73b0GraphQL\u3002\u5173\u4e8e\u6b64\u4f7f\u7528\u60c5\u51b5\uff0c\u6211\u4eec\u5c06\u53e6\u5916\u6574\u7406\u3002<\/p>\n
3.2. \u8fd0\u884cGraphQL\u67e5\u8be2<\/h3>\n
\u6211\u5011\u5728Python\u4e2d\u4f7f\u7528Graphene\u4f86\u5be6\u73feGraphQL\uff0c\u5c31\u5982\u4e0a\u6240\u8ff0\u3002Graphene\u662f\u91dd\u5c0dPython\/JavaScript\u7684GraphQL\u5eab\u3002
\n\u5728\u5be6\u65bd\u7684\u904e\u7a0b\u4e2d\uff0c\u6211\u8a8d\u70ba\u53c3\u8003\u5b98\u65b9\u6587\u4ef6\u548cGitHub\u4e5f\u5c07\u5f88\u6709\u5e6b\u52a9\u3002<\/p>\n
\u5728\u63a8\u8fdbGraphQL\u7684\u5b9e\u73b0\u65f6\uff0c\u9996\u5148\u8981\u521b\u5efa\u6a21\u5f0f\u5b9a\u4e49\u6587\u4ef6\uff08SDL\uff09\uff0c\u7136\u540e\u5b9a\u4e49\u89e3\u6790\u5668\uff0c\u6700\u540e\u5728\u89e3\u6790\u5668\u5185\u90e8\u5b9e\u73b0\u4e0e\u6570\u636e\u6e90\u7684\u4ea4\u4e92\u5904\u7406\uff0c\u6309\u7167\u8fd9\u4e2a\u6d41\u7a0b\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n
\u5728Graphene\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Python\u4ee3\u7801\u6765\u5b9e\u73b0\u5b9a\u4e49\u67b6\u6784\u89e3\u6790\u5668\u7684\u8fc7\u7a0b\u3002\u4e0e\u5176\u4ed6\u8bed\u8a00\u7684GraphQL\u5e93\uff08\u5982express-graphql\u3001apollo-server\u548cPrisma\uff09\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\uff0c\u5728Graphene\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4ee3\u7801\u800c\u4e0d\u662f\u67b6\u6784\u5b9a\u4e49\u8bed\u8a00\u6765\u63cf\u8ff0GraphQL\u67b6\u6784\u3002<\/p>\n
\u5bf9\u8c61\u7c7b\u578b\u7684\u5b9a\u4e49<\/h4>\n
\u8981\u5b9a\u4e49GraphQL\u7684\u5bf9\u8c61\u7c7b\u578b\uff0c\u9700\u8981\u51c6\u5907\u4e00\u4e2a\u7ee7\u627f\u81eaObjectType\u7684\u7c7b\u3002
\n\u5bf9\u8c61\u5185\u90e8\u7684\u5b57\u6bb5\u9700\u8981\u58f0\u660e\u5b57\u6bb5\u540d\u548cGraphQL\u7c7b\u578b\u4f5c\u4e3a\u8868\u8fbe\u5f0f\u3002<\/p>\n
#id\u3068message\u3068\u3044\u3046\u30d5\u30a3\u30fc\u30eb\u3068\u3092\u6301\u3064Item\u578b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\r\nclass Item(graphene.ObjectType): #GraphQL\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\r\n    id = graphene.String(required=True) #\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u90e8\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u540d\u79f0\u3068\u578b\u306e\u5ba3\u8a00\r\n    message = graphene.String() \r\n<\/code><\/pre>\n
\u67e5\u8be2\u7c7b\u578b\u7684\u5b9a\u4e49<\/h4>\n
GraphQL\u7684Query\u7c7b\u578b\u4e5f\u4f1a\u521b\u5efa\u4e00\u4e2a\u7ee7\u627f\u81eaObjectType\u7684\u7c7b\u3002
\nQuery\u5185\u90e8\u7684\u5b57\u6bb5\uff08\u4e3b\u8981\u662f\u89e3\u6790\u5668\uff09\u4f1a\u58f0\u660e\u5b57\u6bb5\u540d\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684GraphQL\u7c7b\u578b\u8868\u8fbe\u5f0f\uff0c\u7136\u540e\u5b9e\u73b0\u89e3\u6790\u5668\u51fd\u6570\uff08resolve_\u65b9\u6cd5\u540d\u7684\u65b9\u6cd5\uff09\u3002
\n\u89e3\u6790\u5668\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u8c03\u7528\u6570\u636e\u6e90\u6216\u8fd4\u56de\u67d0\u4e2a\u503c\uff08\u5982\u5355\u4e2a\u8bb0\u5f55\u3001\u8bb0\u5f55\u5217\u8868\u7b49\uff09\uff0c\u5f53GraphQL\u67e5\u8be2\u8c03\u7528\u5bf9\u5e94\u5b57\u6bb5\u540d\u7684\u89e3\u6790\u5668\u65f6\uff0c\u4f1a\u6309\u7167\u6307\u5b9a\u7684\u6d41\u7a0b\u6267\u884c\u3002
\n\uff08CosmosDB\u7684\u6570\u636e\u64cd\u4f5c\u5c06\u5728\u89e3\u6790\u5668\u5185\u90e8\u6267\u884c\u3002\uff09<\/p>\n
#getItem\u3068\u3044\u3046\u30ea\u30be\u30eb\u30d0\u30fc\u95a2\u6570\u3092\u6301\u3064Query\u578b\u306e\u5b9a\u7fa9\r\nclass Query(graphene.ObjectType): #\u30af\u30a8\u30ea\u578b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7528\u610f\r\n    getItem = graphene.Field(Item) #\u30ea\u30be\u30eb\u30d0\u30fc\u306e\u95a2\u6570\u540d\u3001\u5f15\u6570\u30fb\u8fd4\u308a\u5024\u306e\u578b\u306e\u5ba3\u8a00\r\n\r\n    #\u30ea\u30be\u30eb\u30d0\u30fc\u95a2\u6570getItem\u3068\u5bfe\u5fdc\u3065\u3051\u306e\u3046\u3048\u3001\u5185\u90e8\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\r\n    def resolve_getItem(self, info): \r\n        return Item(id=\"1\", message=\"SampleMessage\")\r\n<\/code><\/pre>\n
\u67e5\u8be2\u58f0\u660e\u548c\u67e5\u8be2\u6267\u884c<\/h4>\n
\u5728\u6267\u884cGraphQL\u67e5\u8be2\u65f6\uff0c\u9700\u8981\u5728Schema\u7c7b\u4e2d\u5c06query\u4e0eQuery\u7c7b\u578b\u5bf9\u5e94\u8d77\u6765\uff08\u5373\u58f0\u660e\u6839\u67e5\u8be2\u7c7b\u578b\uff09\uff0c\u8fd9\u6837\uff0c\u5728\u5b9e\u9645\u6267\u884c\u67e5\u8be2\u65f6\uff08\u8c03\u7528execute\u65b9\u6cd5\uff09\uff0c\u5bf9\u5e94\u7684\u67e5\u8be2\u89e3\u6790\u5668\u51fd\u6570\u5c06\u88ab\u8c03\u7528\u5e76\u6267\u884c\u5904\u7406\u3002<\/p>\n
schema = graphene.Schema(query=Query)\r\nschema.execute(\"GraphQL\u306e\u30af\u30a8\u30ea\")\r\n<\/code><\/pre>\n
GraphQL\u76f8\u5173\u7684\u4ee3\u7801<\/h4>\n
\u6211\u8fd9\u6b21\u51c6\u5907\u4e86\u4e0eGraphQL\u76f8\u5173\u7684\u4ee3\u7801\uff0c\u8bf7\u53c2\u89c1\u4ee5\u4e0b\u5185\u5bb9\u3002
\n\uff03\u4ee3\u7801\u5df2\u7ecf\u63a8\u9001\u5230GitHub\uff0c\u4f46\u8fd8\u5728\u6574\u7406\u4e2d\u3002<\/p>\n
import<\/span> graphene<\/span>\r\nimport<\/span> json<\/span>\r\nfrom<\/span> datetime<\/span> import<\/span> datetime<\/span>,<\/span> timezone<\/span>\r\nfrom<\/span> ..cosmosdb.cosmosdb<\/span> import<\/span> DatabaseConnection<\/span>\r\nfrom<\/span> ..cosmosdb.cosmosdb<\/span> import<\/span> getItem<\/span>,<\/span> getReplacedItem<\/span>\r\nfrom<\/span> logging<\/span> import<\/span> getLogger<\/span>\r\nlogger<\/span> =<\/span> getLogger<\/span>(<\/span>__name__<\/span>)<\/span>\r\n\r\nclass<\/span> DbItem<\/span>(<\/span>graphene<\/span>.<\/span>ObjectType<\/span>):<\/span>\r\n    id<\/span> =<\/span> graphene<\/span>.<\/span>String<\/span>(<\/span>required<\/span>=<\/span>True<\/span>)<\/span>\r\n    partitionKey<\/span> =<\/span> graphene<\/span>.<\/span>ID<\/span>(<\/span>required<\/span>=<\/span>True<\/span>)<\/span>\r\n    message<\/span> =<\/span> graphene<\/span>.<\/span>String<\/span>()<\/span>\r\n    addition<\/span> =<\/span> graphene<\/span>.<\/span>String<\/span>()<\/span>\r\n    rid<\/span> =<\/span> graphene<\/span>.<\/span>String<\/span>()<\/span> # comosdb column name _rid\r\n<\/span>    link<\/span> =<\/span> graphene<\/span>.<\/span>String<\/span>()<\/span> # comosdb column name _self\r\n<\/span>    etag<\/span> =<\/span> graphene<\/span>.<\/span>String<\/span>()<\/span> # comosdb column name _etag\r\n<\/span>    attachments<\/span> =<\/span> graphene<\/span>.<\/span>String<\/span>()<\/span> # comosdb column name _attachments\r\n<\/span>    ts<\/span> =<\/span> graphene<\/span>.<\/span>Int<\/span>()<\/span> # comosdb column name _ts\r\n<\/span>    datetime<\/span> =<\/span> graphene<\/span>.<\/span>types<\/span>.<\/span>datetime<\/span>.<\/span>DateTime<\/span>()<\/span>  \r\n\r\n    def<\/span> resolve_rid<\/span>(<\/span>self<\/span>,<\/span> info<\/span>):<\/span>\r\n        return<\/span> self<\/span>.<\/span>_rid<\/span>\r\n    def<\/span> resolve_link<\/span>(<\/span>self<\/span>,<\/span> info<\/span>):<\/span>\r\n        return<\/span> self<\/span>.<\/span>_self<\/span>\r\n    def<\/span> resolve_etag<\/span>(<\/span>self<\/span>,<\/span> info<\/span>):<\/span>\r\n        return<\/span> self<\/span>.<\/span>_etag<\/span>\r\n    def<\/span> resolve_attachments<\/span>(<\/span>self<\/span>,<\/span> info<\/span>):<\/span>\r\n        return<\/span> self<\/span>.<\/span>_attachments<\/span>\r\n    def<\/span> resolve_ts<\/span>(<\/span>self<\/span>,<\/span> info<\/span>):<\/span>\r\n        return<\/span> self<\/span>.<\/span>_ts<\/span>\r\n    def<\/span> resolve_datetime<\/span>(<\/span>self<\/span>,<\/span> info<\/span>):<\/span>\r\n        return<\/span> datetime<\/span>.<\/span>fromtimestamp<\/span>(<\/span>self<\/span>.<\/span>_ts<\/span>,<\/span> timezone<\/span>.<\/span>utc<\/span>)<\/span>\r\n\r\nclass<\/span> Query<\/span>(<\/span>graphene<\/span>.<\/span>ObjectType<\/span>):<\/span>\r\n    getSampleItem<\/span> =<\/span> graphene<\/span>.<\/span>Field<\/span>(<\/span>DbItem<\/span>)<\/span>\r\n    readItem<\/span> =<\/span> graphene<\/span>.<\/span>Field<\/span>(<\/span>DbItem<\/span>,<\/span> argument<\/span>=<\/span>graphene<\/span>.<\/span>String<\/span>())<\/span>\r\n    readItems<\/span> =<\/span> graphene<\/span>.<\/span>List<\/span>(<\/span>DbItem<\/span>)<\/span>\r\n\r\n    def<\/span> resolve_getSampleItem<\/span>(<\/span>self<\/span>,<\/span> info<\/span>):<\/span>\r\n        item<\/span> =<\/span> DbItem<\/span>(<\/span>id<\/span>=<\/span>\"1\"<\/span>,<\/span> partitionKey<\/span>=<\/span>1<\/span>,<\/span>\r\n            message<\/span>=<\/span>\"SampleMessage\"<\/span>,<\/span> addition<\/span>=<\/span>\"SampleAddtionMessage\"<\/span>)<\/span>\r\n        return<\/span> item<\/span>\r\n\r\n    def<\/span> resolve_readItem<\/span>(<\/span>self<\/span>,<\/span> info<\/span>,<\/span> argument<\/span>):<\/span>\r\n        results<\/span> =<\/span> DatabaseConnection<\/span>().<\/span>read_item<\/span>(<\/span>argument<\/span>)<\/span>\r\n        if<\/span> results<\/span>.<\/span>__len__<\/span>()<\/span> ><\/span> 0<\/span>:<\/span>\r\n            item<\/span> =<\/span> DbItem<\/span>.<\/span>__new__<\/span>(<\/span>DbItem<\/span>)<\/span>\r\n            item<\/span>.<\/span>__dict__<\/span>.<\/span>update<\/span>(<\/span>results<\/span>[<\/span>0<\/span>])<\/span>\r\n            return<\/span> item<\/span>\r\n        else<\/span>:<\/span>\r\n            return<\/span> {}<\/span>\r\n\r\n    def<\/span> resolve_readItems<\/span>(<\/span>self<\/span>,<\/span> info<\/span>):<\/span>\r\n        results<\/span> =<\/span> []<\/span>\r\n        for<\/span> item<\/span> in<\/span> DatabaseConnection<\/span>().<\/span>read_items<\/span>():<\/span>\r\n            i<\/span> =<\/span> DbItem<\/span>.<\/span>__new__<\/span>(<\/span>DbItem<\/span>)<\/span>\r\n            i<\/span>.<\/span>__dict__<\/span>.<\/span>update<\/span>(<\/span>item<\/span>)<\/span>\r\n            results<\/span>.<\/span>append<\/span>(<\/span>i<\/span>)<\/span>\r\n        return<\/span> results<\/span>\r\n\r\nclass<\/span> GraphQL<\/span>:<\/span>\r\n    def<\/span> __init__<\/span>(<\/span>self<\/span>):<\/span>\r\n        self<\/span>.<\/span>schema<\/span> =<\/span> graphene<\/span>.<\/span>Schema<\/span>(<\/span>\r\n            query<\/span>=<\/span>Query<\/span>,<\/span>\r\n        )<\/span>\r\n\r\n    def<\/span> query<\/span>(<\/span>self<\/span>,<\/span> query<\/span>):<\/span>\r\n        logger<\/span>.<\/span>info<\/span>(<\/span>query<\/span>)<\/span>\r\n        results<\/span> =<\/span> self<\/span>.<\/span>schema<\/span>.<\/span>execute<\/span>(<\/span>query<\/span>)<\/span>\r\n        return<\/span> json<\/span>.<\/span>dumps<\/span>(<\/span>results<\/span>.<\/span>data<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u7528GraphQL\u6a21\u5f0f\u5b9a\u4e49\u8bed\u8a00\u6765\u63cf\u8ff0\u4e0a\u8ff0\u6a21\u5f0f\uff0c\u4f1a\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
type DbItem {\r\n  id: String!\r\n  partitionKey: ID!\r\n  message: String\r\n  addition: String\r\n  rid: String\r\n  link: String\r\n  etag: String\r\n  attachments: String\r\n  ts: Int\r\n  datetime: DateTime\r\n}\r\n\r\ntype Query {\r\n  getSampleItem: DbItem\r\n  readItem(argument:String): DbItem\r\n  readItems: [DbItem]     \r\n}\r\n\r\nschema {\r\n  query: Query\r\n}\r\n\r\n<\/code><\/pre>\n
\u4eceCosmosDB\u7684\u6570\u636e\u68c0\u7d22\u7ed3\u679c\u4e2d\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u5b57\u5178\u7c7b\u578b\u7684\u6570\u636e\uff0c\u4f46\u5728\u4f20\u9012\u7ed9Graphene\u65f6\uff0c\u6211\u4f1a\u8fdb\u884c\u4e00\u4e9b\u7565\u5fae\u590d\u6742\u7684\u64cd\u4f5c\u3002<\/p>\n
item = DbItem.__new__(DbItem)\r\nitem.__dict__.update(CosmosDB\u30c7\u30fc\u30bf\u53d6\u5f97\u7d50\u679c[dict\u578b])\r\n<\/code><\/pre>\n
\u7531\u4e8e\u4e0d\u80fd\u5728\u5b57\u6bb5\u540d\u548c\u89e3\u6790\u5668\u4e2d\u4f7f\u7528(\u6216\u8005\u66f4\u786e\u5207\u5730\u8bf4\uff0c\u4e0d\u80fd\u4f7f\u7528\u7b26\u53f7)\uff0c\u6240\u4ee5\u6211\u4eec\u9009\u62e9\u4e86\u4e00\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u5305\u542b\u8981\u83b7\u53d6\u7684\u539f\u59cb\u6570\u636e\u5b57\u6bb5\u540d\u7684\u60c5\u51b5\uff0c\u5373\u51c6\u5907\u4e00\u4e2aresolve_XXX\u51fd\u6570\u6765\u89e3\u51b3\u3002<\/p>\n
\u5904\u7406HTTP POST\u8bf7\u6c42<\/h3>\n
Azure Functions\u5904\u7406\u8bf7\u6c42\u7684\u90e8\u5206\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u7ed3\u6784\u3002
\n\u4ece\u8bf7\u6c42\u4e2d\u83b7\u53d6JSON\u6570\u636e\uff0c\u63a5\u6536GraphQL\u67e5\u8be2\u5b57\u7b26\u4e32\uff0c\u5c06\u5904\u7406\u6295\u9012\u7ed9GraphQL\u67e5\u8be2\u6267\u884c\u90e8\u5206\uff0c\u7136\u540e\u83b7\u53d6\u7ed3\u679c\u3002\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7ed3\u6784\u3002<\/p>\n
import<\/span> azure.functions<\/span> as<\/span> func<\/span>\r\nfrom<\/span> ..graphqllib.graphql<\/span> import<\/span> GraphQL<\/span>,<\/span> Query<\/span>\r\nfrom<\/span> logging<\/span> import<\/span> getLogger<\/span>\r\nlogger<\/span> =<\/span> getLogger<\/span>(<\/span>__name__<\/span>)<\/span>\r\n\r\ndef<\/span> main<\/span>(<\/span>req<\/span>:<\/span> func<\/span>.<\/span>HttpRequest<\/span>)<\/span> -><\/span> func<\/span>.<\/span>HttpResponse<\/span>:<\/span>\r\n    logger<\/span>.<\/span>info<\/span>(<\/span>'Python HTTP trigger function processed a request.'<\/span>)<\/span>\r\n\r\n    query<\/span> =<\/span> req<\/span>.<\/span>params<\/span>.<\/span>get<\/span>(<\/span>'query'<\/span>)<\/span>\r\n    if<\/span> not<\/span> query<\/span>:<\/span>\r\n        try<\/span>:<\/span>\r\n            req_body<\/span> =<\/span> req<\/span>.<\/span>get_json<\/span>()<\/span>\r\n            # query = str(req.get_body().decode(encoding='utf-8'))\r\n<\/span>            logger<\/span>.<\/span>info<\/span>(<\/span>req_body<\/span>)<\/span>\r\n        except<\/span> ValueError<\/span>:<\/span>\r\n            pass<\/span>\r\n        else<\/span>:<\/span>\r\n            query<\/span> =<\/span> req_body<\/span>.<\/span>get<\/span>(<\/span>'query'<\/span>)<\/span>\r\n\r\n    try<\/span>:<\/span>\r\n        results<\/span> =<\/span> GraphQL<\/span>().<\/span>query<\/span>(<\/span>query<\/span>)<\/span>\r\n    except<\/span> Exception<\/span> as<\/span> e<\/span>:<\/span>\r\n        logger<\/span>.<\/span>error<\/span>(<\/span>e<\/span>)<\/span>\r\n        return<\/span> func<\/span>.<\/span>HttpResponse<\/span>(<\/span>\r\n             \"Internal Server Error\"<\/span>,<\/span>\r\n             status_code<\/span>=<\/span>500<\/span>\r\n        )<\/span>\r\n\r\n    if<\/span> results<\/span>:<\/span>\r\n        return<\/span> func<\/span>.<\/span>HttpResponse<\/span>(<\/span>f<\/span>\"<\/span>{<\/span>results<\/span>.<\/span>data<\/span>}<\/span>\"<\/span>)<\/span>\r\n    else<\/span>:<\/span>\r\n        return<\/span> func<\/span>.<\/span>HttpResponse<\/span>(<\/span>\r\n             \"Please pass a name on the query string or in the request body\"<\/span>,<\/span>\r\n             status_code<\/span>=<\/span>400<\/span>\r\n        )<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u4ee3\u7801\u51c6\u5907\u597d\u4e86\uff0c\u6211\u4eec\u5c06\u518d\u6b21\u90e8\u7f72\u3002<\/p>\n
az login\r\ncd MyFunctionProj\r\nfunc azure functionapp publish <app_name> --build-native-deps\r\n<\/code><\/pre>\n
4. \u8fdb\u884c GraphQL \u67e5\u8be2\u7684\u786e\u8ba4\u6267\u884c<\/h2>\n
\u6211\u60f3\u8981\u4f7f\u7528\u5df2\u5b9e\u65bd\u7684\u51fd\u6570\u6765\u53d1\u51faGraphQL\u67e5\u8be2\u5e76\u67e5\u770b\u54cd\u5e94\u3002
\n\u53d1\u51fa\u67e5\u8be2\u7684\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528curl\u547d\u4ee4\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528GraphiQL\u6216Insomnia\u3002
\n\u5982\u679c\u4f7f\u7528curl\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u53d1\u51fa\u67e5\u8be2\u3002<\/p>\n
curl -X POST -H \"Content-Type: application\/json\" -d '{\"query\": \"query { readItems { id message etag ts} }\"}' http:\/\/localhost:7071\/api\/MyFunction\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u672c\u6b21\u53d1\u5e03\u7684GraphQL\u67e5\u8be2\u3002\u5bf9\u4e8eInsomnia\uff0c\u8bf7\u6307\u5b9aURL\u5e76\u53d1\u51fa\u4ee5\u4e0bGraphQL\u67e5\u8be2\u4ee5\u83b7\u53d6\u54cd\u5e94\u3002<\/p>\n
query { \r\n  readItems { \r\n    id\r\n    message\r\n    etag\r\n    ts\r\n  } \r\n}\r\n<\/code><\/pre>\n
\u6240\u4ee5\uff0c\u56de\u5e94\u5982\u4e0b\u3002
\n\u4f7f\u7528Graphene\u6267\u884c\u7684GraphQL\u67e5\u8be2\u7ed3\u679c\u4f3c\u4e4e\u4ee5OrderedDict\u7c7b\u578b\u8fd4\u56de\uff0c\u4f46\u5982\u679c\u4e0d\u8fdb\u884c\u4efb\u4f55\u8f6c\u6362\uff0c\u90a3\u4e48\u8fd9\u6837\u7684\u7ed3\u679c\u4e0d\u6613\u4e8e\u9605\u8bfb\uff0c\u5e76\u4e14\u5728\u4ece\u5916\u90e8API\u8c03\u7528\u65f6\u9700\u8981\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u56e0\u6b64\u9700\u8981\u8fdb\u884c\u4fee\u6b63\u3002
\n\u2192\u5c06\u54cd\u5e94\u6570\u636e\u4eceOrderedDict\u7c7b\u578b\u8f6c\u6362\u4e3aJSON\u4f3c\u4e4e\u53ef\u4ee5\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n
OrderedDict([('readItems', [OrderedDict([('id', 'id1'), ('message', 'Hello World CosmosDB!'), ('etag', '\"00001946-0000-2300-0000-5cc96e910000\"'), ('ts', 1556704913)]), OrderedDict([('id', 'id3'), ('message', 'Hello World CosmosDB!'), ('etag', '\"00008a47-0000-2300-0000-5cca65bc0000\"'), ('ts', 1556768188)]), OrderedDict([('id', 'id4'), ('message', 'Hello World CosmosDB!'), ('etag', '\"00008b47-0000-2300-0000-5cca65bc0000\"'), ('ts', 1556768188)])])])\r\n<\/code><\/pre>\n
\"graphene-test02.png\"<\/div>\n
\u5982\u679c\u5df2\u7ecf\u90e8\u7f72\u4e86Azure Functions\uff0c\u5219URL\u5c06\u53d8\u4e3a\u4ee5\u4e0b\u5185\u5bb9\uff1a
\nhttps:\/\/.azurewebsites.net\/api\/myfunction<\/p>\n
\u7ecf\u8fc7\u9075\u5faa\u672c\u6587\u7684\u6b65\u9aa4\uff0c\u4f1a\u5bfc\u81f4500\u9519\u8bef\u3002~ \u67e5\u770bApplicationInsights\u7684\u65e5\u5fd7\uff0c\u4f3c\u4e4e\u51fa\u73b0\u4e86\u5bfc\u5165\u9519\u8bef\u7684\u60c5\u51b5\u3002\u6211\u6253\u7b97\u53e6\u5916\u786e\u8ba4\u4e00\u4e0b\u8fd9\u4e2a\u95ee\u9898\u3002~ \u770b\u8d77\u6765\u8fd9\u91cc\u53d1\u751f\u4e86Graphene\u548c\u6a21\u5757\u7684\u51b2\u7a81\uff0c\u6240\u4ee5\u6211\u5df2\u7ecf\u4fee\u6b63\u4e86\u4e0egraphql\u76f8\u5173\u7684\u4ee3\u7801\u6587\u4ef6\u5939\u540d\u79f0\u3002<\/p>\n
5. \u603b\u7ed3<\/h2>\n
\u8fd9\u4e00\u6b21\u6211\u4eec\u5728Azure Functions\u4e2d\u5b9e\u73b0\u4e86\u5bf9CosmosDB\u6570\u636e\u7684\u64cd\u4f5c\u548cGraphQL API\u3002\u76ee\u524d\uff0cAzure Functions\u7684Python\u7248\u672c\u4ecd\u5904\u4e8e\u9884\u89c8\u9636\u6bb5\u3002\u6240\u4f7f\u7528\u7684\u5de5\u5177\u548c\u89c4\u8303\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u53ef\u80fd\u9700\u8981\u53c2\u8003\u6587\u6863\u5e76\u8fdb\u884c\u8bd5\u9519\u3002(\u5728\u672c\u5730\u51fd\u6570\u8fd0\u884c\u6b63\u5e38\uff0c\u4f46\u90e8\u7f72\u540e\u5374\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u4e5f\u662f\u6709\u53ef\u80fd\u7684…)<\/p>\n
\u9996\u5148\uff0c\u8981\u786e\u8ba4Azure Functions\u90e8\u7f72\u540e\u7684\u9519\u8bef\uff0c\u5e76\u8fdb\u884c\u54cd\u5e94\u6570\u636e\u8f6c\u6362\uff0c\u5b9e\u73b0Mutation\uff0c\u6dfb\u52a0\u8ba4\u8bc1\uff0c\u4f7f\u4ee3\u7801\u80fd\u591f\u5728CI\/CD\u4e2d\u8fdb\u884c\u90e8\u7f72\uff0c\u8fd8\u8981\u4f7fAzure Functions\u76f8\u5173\u73af\u5883\u80fd\u591f\u4eceARM\u6a21\u677f\u4e2d\u8fdb\u884c\u90e8\u7f72\u3002\u8fd9\u662f\u5426\u662f\u672a\u6765\u7684\u5de5\u4f5c\uff1f<\/p>\n
\u8bf7\u63d0\u4f9b\u76f8\u5173\u4fe1\u606f\u3002<\/h2>\n
Azure Functions \u6587\u6863
\n\u521b\u5efa\u9996\u4e2a Python \u51fd\u6570\u7684 Azure (\u9884\u89c8\u7248)
\nAzure \u51fd\u6570\u9002\u7528\u4e8e Python \u5f00\u53d1\u8005\u7684\u6307\u5357
\n\u64cd\u4f5c Azure Functions Core Tools
\nGraphQL
\nGraphene<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u6211\u5011\u9019\u6b21\u958b\u59cb\u5728Azure Functions\u4e2d\u5be6\u65bdGraphQL API\uff0c\u6240\u4ee5\u6211\u60f3\u5c07\u5176\u4f5c\u70ba\u5099\u5fd8\u9304\u6574\u7406\u8d77\u4f86 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47813","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528Azure Functions\u548cGraphene\u64cd\u4f5cCosmosDB\u6570\u636e - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528azure-functions\u548cgraphene\u64cd\u4f5ccosmosdb\u6570\u636e\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Azure Functions\u548cGraphene\u64cd\u4f5cCosmosDB\u6570\u636e\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u6211\u5011\u9019\u6b21\u958b\u59cb\u5728Azure Functions\u4e2d\u5be6\u65bdGraphQL API\uff0c\u6240\u4ee5\u6211\u60f3\u5c07\u5176\u4f5c\u70ba\u5099\u5fd8\u9304\u6574\u7406\u8d77\u4f86 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528azure-functions\u548cgraphene\u64cd\u4f5ccosmosdb\u6570\u636e\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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