Merge pull request #7 from ks6088ts-labs/feature/issue-6_add-azure-functions

add azure functions

Author: ks6088ts

.env.template

@@ -0,0 +1 @@
+VERSION=0.0.0

docs/index.md

@@ -0,0 +1,26 @@
+# References
+
+## Azure Functions
+
+Run the function app locally
+
+```shell
+# Run the function app locally with the Azure Functions Core Tools
+$ poetry run func start
+```
+
+Deploy the function app to Azure
+
+```shell
+# Deploy resources to Azure
+$ bash scripts/deploy_azure_functions_resources.sh
+
+$ export FUNCTION_APP_NAME="CHANGE_ME"
+
+# Publish the function app to Azure
+$ bash scripts/publish_azure_functions.sh
+```
+
+### References
+
+- [Using FastAPI Framework with Azure Functions](https://learn.microsoft.com/en-us/samples/azure-samples/fastapi-on-azure-functions/fastapi-on-azure-functions/)

function_app.py

@@ -0,0 +1,11 @@
+import azure.functions as func
+from dotenv import load_dotenv
+
+from workshop_azure_iot.core import app as fastapi_app
+
+load_dotenv()
+
+app = func.AsgiFunctionApp(
+    app=fastapi_app,
+    http_auth_level=func.AuthLevel.ANONYMOUS,
+)

host.json

@@ -0,0 +1,8 @@
+{
+  "version": "2.0",
+  "extensions": {
+    "http": {
+      "routePrefix": ""
+    }
+  }
+}

local.settings.json

@@ -0,0 +1,8 @@
+{
+  "IsEncrypted": false,
+  "Values": {
+    "FUNCTIONS_WORKER_RUNTIME": "python",
+    "AzureWebJobsFeatureFlags": "EnableWorkerIndexing",
+    "AzureWebJobsStorage": ""
+  }
+}

poetry.lock

@@ -9,6 +9,10 @@ package-mode = false
 
 [tool.poetry.dependencies]
 python = "^3.10"
+python-dotenv = "^1.0.1"
+typer = "^0.12.5"
+fastapi = {extras = ["standard"], version = "^0.115.2"}
+azure-functions = "^1.21.3"
 
 [tool.poetry.group.dev.dependencies]
 pre-commit = "^3.8.0"

pyproject.toml

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+set -eux
+
+# Variables
+LOCATION=japaneast
+RANDOM_SUFFIX=$(openssl rand -hex 4)
+RESOURCE_GROUP_NAME="rg-adhoc-azure-functions-$RANDOM_SUFFIX"
+STORAGE_NAME=stadhoc"$RANDOM_SUFFIX"
+FUNCTION_APP_NAME=adhoc-azure-functions-"$RANDOM_SUFFIX"
+
+# Create a resource group
+az group create \
+    --name "$RESOURCE_GROUP_NAME" \
+    --location "$LOCATION"
+
+# Create a storage account
+az storage account create \
+    --name "$STORAGE_NAME" \
+    --location "$LOCATION" \
+    --resource-group "$RESOURCE_GROUP_NAME" \
+    --sku Standard_LRS
+
+# Create a function app
+az functionapp create \
+    --resource-group "$RESOURCE_GROUP_NAME" \
+    --consumption-plan-location "$LOCATION" \
+    --runtime python \
+    --runtime-version 3.11 \
+    --functions-version 4 \
+    --name "$FUNCTION_APP_NAME" \
+    --os-type linux \
+    --storage-account "$STORAGE_NAME"

scripts/deploy_azure_functions_resources.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -eux
+
+poetry export -f requirements.txt -o requirements.txt --without-hashes
+
+func azure functionapp publish $FUNCTION_APP_NAME

scripts/publish_azure_functions.sh

@@ -1,6 +1,19 @@
 import logging
+from os import getenv
+
+from fastapi import FastAPI
 
 logger = logging.getLogger(__name__)
+app = FastAPI(
+    docs_url="/",
+)
+
+
+@app.get("/info")
+def read_root():
+    return {
+        "version": getenv("VERSION", "0.0.0"),
+    }
 
 
 def hello_world(verbose: bool = False):