M1芯片设备上Azure Function无法运行的问题求助

问题描述 #

用户在VS Code中运行以下Python编写的Azure HTTP触发函数：

import logging

import azure.functions as func


def main(req: func.HttpRequest) -> func.HttpResponse:
    logging.info('Python HTTP trigger function processed a request.')

    name = req.params.get('name')
    if not name:
        try:
            req_body = req.get_json()
        except ValueError:
            pass
        else:
            name = req_body.get('name')

    if name:
        return func.HttpResponse(f"Hello, {name}. This HTTP triggered function executed successfully.")
    else:
        return func.HttpResponse(
             "This HTTP triggered function executed successfully. Pass a name in the query string or in the request body for a personalized response.",
             status_code=200
        )

执行func host start命令时出现错误，核心提示为**"Architecture Arm64 is not supported for language python"**，完整错误日志如下：

pyenv shell 3.9.12
Requirement already satisfied: azure-functions in ./.venv/lib/python3.9/site-packages (from -r requirements.txt (line 5)) (1.12.0)
WARNING: You are using pip version 21.2.4; however, version 22.3 is available.
You should consider upgrading via the '/Users/deniz/Library/CloudStorage/OneDrive-DualCitizen/Dev/2ndfunction/.venv/bin/python -m pip install --upgrade pip' command.
 *  Terminal will be reused by tasks, press any key to close it. 

 *  Executing task: . .venv/bin/activate && func host start 

Found Python version 3.9.10 (python3).

Azure Functions Core Tools
Core Tools Version:       4.0.4829 Commit hash: N/A  (64-bit)
Function Runtime Version: 4.11.2.19273

[2022-10-23T09:38:17.290Z] Failed to initialize worker provider for: /opt/homebrew/Cellar/azure-functions-core-tools@4/4.0.4829/workers/python
[2022-10-23T09:38:17.290Z] Microsoft.Azure.WebJobs.Script: Architecture Arm64 is not supported for language python.
[2022-10-23T09:38:17.818Z] Failed to initialize worker provider for: /opt/homebrew/Cellar/azure-functions-core-tools@4/4.0.4829/workers/python
[2022-10-23T09:38:17.818Z] Microsoft.Azure.WebJobs.Script: Architecture Arm64 is not supported for language python.
[2022-10-23T09:38:17.957Z] A host error has occurred during startup operation '29ac434c-0276-4c0b-a85f-c9e4863577dc'.
[2022-10-23T09:38:17.957Z] Microsoft.Azure.WebJobs.Script: Did not find functions with language [python].
[2022-10-23T09:38:17.964Z] Failed to stop host instance '3d492f60-0fd3-48dd-bce0-d7cc99da71c8'.
[2022-10-23T09:38:17.964Z] Microsoft.Azure.WebJobs.Host: The host has not yet started.
Value cannot be null. (Parameter 'provider')
[2022-10-23T09:38:17.986Z] A host error has occurred during startup operation '1327f3e2-25e9-4318-bfea-0bac013aff02'.
[2022-10-23T09:38:17.986Z] Microsoft.Extensions.DependencyInjection: Cannot access a disposed object.
[2022-10-23T09:38:17.986Z] Object name: 'IServiceProvider'.
 *  Terminal will be reused by tasks, press any key to close it. 

已尝试的无效方法 #

• 创建兼容Python版本的conda环境
• 重建虚拟环境
• 应用Rosetta 2修复

可行解决方案 #

方法1：全链路强制使用x86_64架构运行 #

1. 配置终端以Rosetta模式运行：
   • 找到Mac上的终端应用，右键选择「显示简介」，勾选「使用Rosetta打开」，重启终端。
2. 安装x86版本的Azure Functions Core Tools：

   # 先卸载现有Arm64版本（如果有）
   brew uninstall azure-functions-core-tools@4
   # 用x86架构的Homebrew安装
   arch -x86_64 /usr/local/bin/brew install azure-functions-core-tools@4
   

3. 创建x86架构的Python虚拟环境：

   # 用pyenv安装x86版本的Python 3.9.12
   arch -x86_64 pyenv install 3.9.12
   arch -x86_64 pyenv local 3.9.12
   # 创建虚拟环境
   arch -x86_64 python -m venv .venv
   # 激活环境并安装依赖
   source .venv/bin/activate
   pip install -r requirements.txt
   

4. 运行函数：

   func host start
   

方法2：启用Arm64 Python Worker支持 #

如果你的Azure Functions Core Tools版本是4.15.0及以上，可以通过配置启用Arm64支持：

1. 在函数项目根目录的local.settings.json中添加以下配置（如果文件不存在则新建）：

   {
     "IsEncrypted": false,
     "Values": {
       "FUNCTIONS_WORKER_RUNTIME": "python",
       "AzureWebJobsStorage": "",
       "PYTHON_WORKER_ARM64_ENABLED": "1"
     }
   }
   

2. 确保你的Python环境是Arm64版本，然后重新运行func host start。

内容的提问来源于stack exchange，提问作者Zin Yosrim