From c655f92cd5d86d657ef525c03432903dd9611c12 Mon Sep 17 00:00:00 2001 From: Travis Nickels Date: Fri, 23 Aug 2024 10:33:13 -0700 Subject: [PATCH 1/8] Add consistency section for migration guide --- ...-service-bus-in-process-isolated-worker.md | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md index 6ceac8e91c5..ac5f7873fbf 100644 --- a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md +++ b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md @@ -146,3 +146,27 @@ class HttpSender } } ``` + +## Ensuring consistency in the Isolated Worker model + +It's important to be able to maintain the consistency guarantees that were previously available in the in-process model when using `SendsAtomicWithReceive`. To achieve this, there are a few options: + +1. **Implement the [Outbox pattern](https://docs.particular.net/architecture/consistency#transactions-outbox-pattern)** to simulate atomic transactions. (Recommended) +2. Ensure that all receiver message handlers are [idempotent](https://docs.particular.net/architecture/consistency#idempotency). +3. Ensure that the system infrastructure guarantees consistency between business data and messages. + +### Using SendsAtomicWithReceive in the In-Process model + +In the in-process model, `SendsAtomicWithReceive` could be enabled by setting a boolean value in the assembly attribute: + +```csharp +[assembly: NServiceBusTriggerFunction("ASBFunctionEndpoint", SendsAtomicWithReceive = true)] +``` + +### Changes in the Isolated Worker model + +However, in the isolated worker model, the `SendsAtomicWithReceive` attribute is not supported yet. Therefore, this setting needs to be removed from the assembly attribute. + +```csharp +[assembly: NServiceBusTriggerFunction("ASBFunctionEndpoint")] +``` \ No newline at end of file From bee28e56a9ab45c3e69e46057a119ca94fe6892b Mon Sep 17 00:00:00 2001 From: Travis Nickels Date: Fri, 23 Aug 2024 11:09:28 -0700 Subject: [PATCH 2/8] Update links --- ...zure-functions-service-bus-in-process-isolated-worker.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md index ac5f7873fbf..1eae7fc31d8 100644 --- a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md +++ b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md @@ -151,13 +151,13 @@ class HttpSender It's important to be able to maintain the consistency guarantees that were previously available in the in-process model when using `SendsAtomicWithReceive`. To achieve this, there are a few options: -1. **Implement the [Outbox pattern](https://docs.particular.net/architecture/consistency#transactions-outbox-pattern)** to simulate atomic transactions. (Recommended) -2. Ensure that all receiver message handlers are [idempotent](https://docs.particular.net/architecture/consistency#idempotency). +1. **Implement the [Outbox pattern](/architecture/consistency.md#transactions-outbox-pattern)** to simulate atomic transactions. (Recommended) +2. Ensure that all receiver message handlers are [idempotent](/architecture/consistency.md#idempotency). 3. Ensure that the system infrastructure guarantees consistency between business data and messages. ### Using SendsAtomicWithReceive in the In-Process model -In the in-process model, `SendsAtomicWithReceive` could be enabled by setting a boolean value in the assembly attribute: +In the in-process model, `SendsAtomicWithReceive` could be enabled by setting a boolean value to true in the assembly attribute: ```csharp [assembly: NServiceBusTriggerFunction("ASBFunctionEndpoint", SendsAtomicWithReceive = true)] From ae37cde753720075468a9b7e7e87c19b727a1908 Mon Sep 17 00:00:00 2001 From: Travis Nickels Date: Fri, 23 Aug 2024 11:11:44 -0700 Subject: [PATCH 3/8] Update date reviewed --- .../azure-functions-service-bus-in-process-isolated-worker.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md index 1eae7fc31d8..c45743920b7 100644 --- a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md +++ b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md @@ -2,7 +2,7 @@ title: Migrating Azure Functions in-process to Isolated Worker summary: Instructions on how to migrate Azure Functions in-process to Azure Functions Isolated Worker component: ASBFunctionsWorker -reviewed: 2024-07-29 +reviewed: 2024-08-23 related: - nservicebus/hosting/azure-functions-service-bus/in-process - samples/azure-functions/service-bus From a9cc2edd1c7da2819be9439df7c433e674a47dab Mon Sep 17 00:00:00 2001 From: Travis Nickels Date: Wed, 28 Aug 2024 19:03:11 -0700 Subject: [PATCH 4/8] Update nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Andreas Öhlund --- .../azure-functions-service-bus-in-process-isolated-worker.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md index c45743920b7..677f832f3ee 100644 --- a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md +++ b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md @@ -151,7 +151,7 @@ class HttpSender It's important to be able to maintain the consistency guarantees that were previously available in the in-process model when using `SendsAtomicWithReceive`. To achieve this, there are a few options: -1. **Implement the [Outbox pattern](/architecture/consistency.md#transactions-outbox-pattern)** to simulate atomic transactions. (Recommended) +1. **Implement the [Outbox pattern](/architecture/consistency.md#transactions-outbox-pattern)** to enable consistent database and message queue operations. (Recommended) 2. Ensure that all receiver message handlers are [idempotent](/architecture/consistency.md#idempotency). 3. Ensure that the system infrastructure guarantees consistency between business data and messages. From b1fe33992cae5ad9e4f01eeff037e166c4de5b75 Mon Sep 17 00:00:00 2001 From: Travis Nickels Date: Thu, 29 Aug 2024 12:27:25 -0700 Subject: [PATCH 5/8] Update documentation --- ...unctions-service-bus-in-process-isolated-worker.md | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md index 677f832f3ee..5a7b74a80a6 100644 --- a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md +++ b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md @@ -149,11 +149,10 @@ class HttpSender ## Ensuring consistency in the Isolated Worker model -It's important to be able to maintain the consistency guarantees that were previously available in the in-process model when using `SendsAtomicWithReceive`. To achieve this, there are a few options: +If `SendsAtomicWithReceive` was previously enabled in the in-process model (note that it is not enabled by default), maintaining that consistency guarantee in the isolated worker model may be important. However, achieving this consistency in the isolated worker model requires more than just adding an assembly attribute. To ensure consistency, consider the following options: -1. **Implement the [Outbox pattern](/architecture/consistency.md#transactions-outbox-pattern)** to enable consistent database and message queue operations. (Recommended) -2. Ensure that all receiver message handlers are [idempotent](/architecture/consistency.md#idempotency). -3. Ensure that the system infrastructure guarantees consistency between business data and messages. +- **Implement the [Outbox pattern](/architecture/consistency.md#transactions-outbox-pattern)** to enable consistent database and message queue operations. (Recommended) +- Ensure that all receiver message handlers are [idempotent](/architecture/consistency.md#idempotency). ### Using SendsAtomicWithReceive in the In-Process model @@ -165,8 +164,8 @@ In the in-process model, `SendsAtomicWithReceive` could be enabled by setting a ### Changes in the Isolated Worker model -However, in the isolated worker model, the `SendsAtomicWithReceive` attribute is not supported yet. Therefore, this setting needs to be removed from the assembly attribute. +In the isolated worker model, the `SendsAtomicWithReceive` attribute is not supported. This is because the `Microsoft.Azure.Functions.Worker.Sdk` cannot natively manage transactions across the separate processes that run the function code and the host runtime. Unlike the in-process model, where the function code and the host runtime share the same process, making transaction management more feasible, the isolated worker model requires this setting to be removed from the assembly attribute. ```csharp [assembly: NServiceBusTriggerFunction("ASBFunctionEndpoint")] -``` \ No newline at end of file +``` From 8fd2dcf28377208e564d0f547a421c4e72ca79c1 Mon Sep 17 00:00:00 2001 From: Travis Nickels Date: Fri, 30 Aug 2024 12:27:16 -0700 Subject: [PATCH 6/8] Update nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Andreas Öhlund --- ...azure-functions-service-bus-in-process-isolated-worker.md | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md index 5a7b74a80a6..8dfd8eeb051 100644 --- a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md +++ b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md @@ -149,10 +149,9 @@ class HttpSender ## Ensuring consistency in the Isolated Worker model -If `SendsAtomicWithReceive` was previously enabled in the in-process model (note that it is not enabled by default), maintaining that consistency guarantee in the isolated worker model may be important. However, achieving this consistency in the isolated worker model requires more than just adding an assembly attribute. To ensure consistency, consider the following options: +If `SendsAtomicWithReceive` was previously [enabled in the in-process model](/nservicebus/hosting/azure-functions-service-bus/in-process#message-consistency) (note that it is not enabled by default), maintaining that consistency guarantee in the isolated worker model is important. -- **Implement the [Outbox pattern](/architecture/consistency.md#transactions-outbox-pattern)** to enable consistent database and message queue operations. (Recommended) -- Ensure that all receiver message handlers are [idempotent](/architecture/consistency.md#idempotency). +Lower [transaction modes](/transports/transactions.md#transactions) can result in the duplication of outgoing messages otherwise known as [ghost messages](/nservicebus/concepts/glossary.md#ghost-message). To ensure that [consistency](/architecture/consistency) is maintained make sure that all involved message handlers are [idempotent](https://docs.particular.net/architecture/consistency#idempotency). ### Using SendsAtomicWithReceive in the In-Process model From 570ed2af24523ab786bbe6a86795e7cd09045996 Mon Sep 17 00:00:00 2001 From: Travis Nickels Date: Fri, 30 Aug 2024 12:38:39 -0700 Subject: [PATCH 7/8] Update links and example code --- ...ure-functions-service-bus-in-process-isolated-worker.md | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md index 8dfd8eeb051..2ab032a6520 100644 --- a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md +++ b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md @@ -129,8 +129,7 @@ class HttpSender [Function("HttpSender")] public async Task Run( - [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequestData req, - FunctionContext functionContext) + [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequestData req, FunctionContext functionContext) { var logger = functionContext.GetLogger(); logger.LogInformation("C# HTTP trigger function received a request."); @@ -149,9 +148,9 @@ class HttpSender ## Ensuring consistency in the Isolated Worker model -If `SendsAtomicWithReceive` was previously [enabled in the in-process model](/nservicebus/hosting/azure-functions-service-bus/in-process#message-consistency) (note that it is not enabled by default), maintaining that consistency guarantee in the isolated worker model is important. +If `SendsAtomicWithReceive` was previously [enabled in the in-process model](/nservicebus/hosting/azure-functions-service-bus/in-process#message-consistency) (note that it is not enabled by default), maintaining that consistency guarantee in the isolated worker model is important. -Lower [transaction modes](/transports/transactions.md#transactions) can result in the duplication of outgoing messages otherwise known as [ghost messages](/nservicebus/concepts/glossary.md#ghost-message). To ensure that [consistency](/architecture/consistency) is maintained make sure that all involved message handlers are [idempotent](https://docs.particular.net/architecture/consistency#idempotency). +Lower [transaction modes](/transports/transactions.md#transactions) can result in the duplication of outgoing messages otherwise known as [ghost messages](/nservicebus/concepts/glossary.md#ghost-message). To ensure that [consistency](/architecture/consistency.md) is maintained make sure that all involved message handlers are [idempotent](/architecture/consistency.md#idempotency). ### Using SendsAtomicWithReceive in the In-Process model From 2c845fa6ace70b7b8786abe55bbb1e94f8997273 Mon Sep 17 00:00:00 2001 From: Travis Nickels Date: Fri, 30 Aug 2024 12:40:29 -0700 Subject: [PATCH 8/8] Fix another link --- .../azure-functions-service-bus-in-process-isolated-worker.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md index 2ab032a6520..9a37622992e 100644 --- a/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md +++ b/nservicebus/upgrades/azure-functions-service-bus-in-process-isolated-worker.md @@ -148,7 +148,7 @@ class HttpSender ## Ensuring consistency in the Isolated Worker model -If `SendsAtomicWithReceive` was previously [enabled in the in-process model](/nservicebus/hosting/azure-functions-service-bus/in-process#message-consistency) (note that it is not enabled by default), maintaining that consistency guarantee in the isolated worker model is important. +If `SendsAtomicWithReceive` was previously [enabled in the in-process model](/nservicebus/hosting/azure-functions-service-bus/in-process/#message-consistency) (note that it is not enabled by default), maintaining that consistency guarantee in the isolated worker model is important. Lower [transaction modes](/transports/transactions.md#transactions) can result in the duplication of outgoing messages otherwise known as [ghost messages](/nservicebus/concepts/glossary.md#ghost-message). To ensure that [consistency](/architecture/consistency.md) is maintained make sure that all involved message handlers are [idempotent](/architecture/consistency.md#idempotency).