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--- cloud:azure:functions [2024/04/28 12:28] – skipidar
+++ cloud:azure:functions [2024/05/19 14:36] (current) – skipidar
@@ Line 212: / Line 212: @@
 {{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/MbDC47HSC7.png}}
+=== Azure Functions Java ===
+https://stackoverflow.com/questions/77360325/cannot-create-java-function-in-azure-function-app
+<sxh java>
+mvn clean install
+mvn azure-functions:run
+mvn azure-functions:deploy
+</sxh>
+Java SDK content
+  * https://azure.github.io/azure-sdk-for-java/servicebus.html
+  * https://learn.microsoft.com/en-us/java/api/com.azure.messaging.servicebus.servicebusclientbuilder?view=azure-java-stable
+  *
+=== Azure Service Topic Pub with session ===
+requirements.txt
+<sxh python>
+# DO NOT include azure-functions-worker in this file
+# The Python Worker is managed by Azure Functions platform
+# Manually managing azure-functions-worker may cause unexpected issues
+azure-functions
+datetime
+azure-servicebus
+</sxh>
+local.settings.json
+<sxh python>
+{
+  "IsEncrypted": false,
+  "Values": {
+    "AzureWebJobsStorage": "",
+    "FUNCTIONS_WORKER_RUNTIME": "python",
+    "AzureWebJobsFeatureFlags": "EnableWorkerIndexing",
+    "ServiceBusConnection": "Endpoint=sb://alfdevapi6sb.servicebus.windows.net/;SharedAccessKeyName=alfdevapi6servicebus_auth_rule;SharedAccessKey=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx="
+  }
+}
+</sxh>
+Python V2 app, which uses the Python SDK, to send messages with SessionId
+  * [[https://learn.microsoft.com/en-us/azure/developer/python/sdk/azure-sdk-overview?view=azure-python|Use the Azure libraries (SDK) for Python]]
+  *  [[https://learn.microsoft.com/en-us/python/api/azure-servicebus/azure.servicebus.servicebusclient?view=azure-python|ServiceBusClient Class]]
+<sxh python>
+import logging
+import azure.functions as func
+from datetime import datetime
+import json
+from azure.servicebus import ServiceBusClient, ServiceBusMessage
+import os
+app = func.FunctionApp(http_auth_level=func.AuthLevel.ANONYMOUS)
+# vs output into queue for python
+# https://learn.microsoft.com/en-us/azure/azure-functions/functions-bindings-service-bus-output?tabs=python-v2%2Cisolated-process%2Cnodejs-v4%2Cextensionv5&pivots=programming-language-python
+TOPIC_NAME_A = "alfdevapi6topic"
+CONN_STRING = os.environ['ServiceBusConnection']
+SESSION_ID = "008"
+@app.route(route="http_trigger")
+def http_trigger(req: func.HttpRequest) -> func.HttpResponse:
+    logging.info('Python HTTP trigger function processed a request.')
+    myMessage = "Hi alf this is my message via the queue to you."
+    jsn_message_envelope =  generateMessage(myMessage, SESSION_ID)
+    logging.info(f"Will send envelope: {jsn_message_envelope}")
+    servicebus_client = ServiceBusClient.from_connection_string(conn_str=CONN_STRING)
+    rith_sen = servicebus_client.get_topic_sender(TOPIC_NAME_A)
+    rith_msg = ServiceBusMessage(jsn_message_envelope)
+    rith_msg.session_id = SESSION_ID
+    with rith_sen:
+        rith_sen.send_messages(rith_msg)
+    servicebus_client.close()
+    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
+    )
+def generateMessage(myMessage, mySessionId):
+    now = datetime.now()
+    print("now =", now)
+    logging.info(f"Time stamp: {now}")
+    dt_string = now.strftime("%d/%m/%Y %H:%M:%S")
+    my_json_string = f"""
+    {{
+        "body": "{myMessage}",
+        "customProperties": {{
+            "timePublish": "{dt_string}",
+        }},
+        "brokerProperties": {{
+            "SessionId": "{mySessionId}"
+        }}
+    }}
+    """
+    return my_json_string
+</sxh>
+== Publish a test message ==
+Publishing a message
+{{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/tVGGBpwi0d.png}}
+And see, which session was used during publishing, here ''session1''
+{{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/AegrzHZAfS.png}}
+== Consuming a test message ==
+Now a consumer can consume the message
+{{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/at6eSPYnFS.png}}