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Azure samples version and code adjustments

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This commit is contained in:
Christian Tzolov
2023-07-20 10:52:16 +02:00
parent 2e5b38ccfd
commit 787d0f8c50
13 changed files with 80 additions and 63 deletions
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19
spring-cloud-function-samples/function-sample-azure-blob-trigger/README.adoc
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@@ -9,6 +9,16 @@ The Blob storage binding is part of an https://learn.microsoft.com/en-us/azure/a
=== Usage
For local Azure Storage development you need https://learn.microsoft.com/en-us/azure/storage/common/storage-use-azurite?tabs=visual-studio[Azurite emulator].
For the emulator you can run a docker container (see below) or use the https://learn.microsoft.com/en-us/azure/storage/common/storage-use-azurite?tabs=visual-studio-code[Visual-Studio-Code extension].
Here is how to start the `Azure emulator` as docker container:
[source,shell]
----
docker run --name azurite --rm -p 10000:10000 -p 10001:10001 -p 10002:10002 mcr.microsoft.com/azure-storage/azurite
----
==== Package Staging folder
Use the script below to package your staging folder:
@@ -27,11 +37,14 @@ Use the script below to run the function locally.
./mvnw azure-functions:run
----
NOTE: To run locally on top of `Azure Functions`, and to deploy to your live Azure environment, you will need `Azure Functions Core Tools` installed along with the Azure CLI (see https://docs.microsoft.com/en-us/azure/azure-functions/create-first-function-cli-java?tabs=bash%2Cazure-cli%2Cbrowser#configure-your-local-environment[here]).
Use the https://azure.microsoft.com/en-us/products/storage/storage-explorer/[Azure Storage Explorer] to access the Emulator Storage Account.
NOTE: https://github.com/Azure/azure-functions-core-tools[Azure Functions Core Tools] version `4.0.5030` or newer is required!
Under the `Blob Containers` create 3 new containers: `test-trigger`, `test-input`, `test-output`.
Then upload the `src/test/resource/sample.txt` file into the `test-input` and the `test-trigger` folders in this order.
For some configuration you would need the https://learn.microsoft.com/en-us/azure/storage/common/storage-use-emulator[Azurite emulator] as well.
The appearance of the `sample.txt` file in the `test-trigger` folder triggers the `blobTest` function handler, that would look up for a file with the same name (because we used the `{name}` convention in the @BlobInput path) from the `test-input` folder.
Later is passed through the auto-wired `uppercase` service and the result is saved in the `test-output` folder.
Verify that the newly created file in `test-output` is in capitalized letters.
==== Deploy Azure Functions to Azure Cloud

4
spring-cloud-function-samples/function-sample-azure-blob-trigger/pom.xml
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@@ -5,7 +5,7 @@
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.0.7</version>
<version>3.1.1</version>
<relativePath/>
<!-- lookup parent from repository -->
</parent>
@@ -33,7 +33,7 @@
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-function-adapter-azure</artifactId>
<version>4.0.0</version>
<version>4.0.5-SNAPSHOT</version>
</dependency>
<dependency>

4
spring-cloud-function-samples/function-sample-azure-blob-trigger/src/main/java/com/example/azure/di/azureblobtriggerdemo/AzureBlobTriggerDemoApplication.java
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@@ -30,7 +30,7 @@ public class AzureBlobTriggerDemoApplication {
}
@Bean
public Function<String, String> uppercase() {
return payload -> payload.toUpperCase();
public Function<byte[], byte[]> uppercase() {
return payload -> new String(payload).toUpperCase().getBytes();
}
}

24
spring-cloud-function-samples/function-sample-azure-blob-trigger/src/main/java/com/example/azure/di/azureblobtriggerdemo/MyBlobFunction.java
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@@ -33,33 +33,33 @@ import org.springframework.stereotype.Component;
/**
* Azure Functions with Azure Storage Blob.
* https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-storage-blob-trigger?tabs=java
*
* The Blob storage binding is part of an extension bundle, which is specified in your host.json project file.
*
* The Blob storage binding is part of an extension bundle, which is specified in your host.json project file.
*/
@Component
public class MyBlobFunction {
@Autowired
private Function<String, String> uppercase;
private Function<byte[], byte[]> uppercase;
/**
* This function will be invoked when a new or updated blob is detected at the specified path. The blob contents are
* provided as input to this function. The location of the blob is provided in the path parameter. Example -
* test-triggerinput-java/{name} below
* test-trigger/{name} below
*/
@FunctionName("BlobTrigger")
@StorageAccount("AzureWebJobsStorage")
public void BlobTriggerToBlobTest(
@BlobTrigger(name = "triggerBlob", path = "test-triggerinput-java/{name}", dataType = "binary") byte[] triggerBlob,
public void blobTest(
@BlobTrigger(name = "triggerBlob", path = "test-trigger/{name}", dataType = "binary") byte[] triggerBlob,
@BindingName("name") String fileName,
@BlobInput(name = "inputBlob", path = "test-input-java/{name}", dataType = "binary") byte[] inputBlob,
@BlobOutput(name = "outputBlob", path = "test-output-java/{name}", dataType = "binary") OutputBinding<byte[]> outputBlob,
@BlobInput(name = "inputBlob", path = "test-input/{name}", dataType = "binary") byte[] inputBlob,
@BlobOutput(name = "outputBlob", path = "test-output/{name}", dataType = "binary") OutputBinding<byte[]> outputBlob,
final ExecutionContext context) {
context.getLogger().info("Java Blob trigger function BlobTriggerToBlobTest processed a blob.\n Name: "
context.getLogger().info("Java Blob trigger function blobTest processed a blob.\n Name: "
+ fileName + "\n Size: " + triggerBlob.length + " Bytes");
outputBlob.setValue(inputBlob);
outputBlob.setValue(uppercase.apply(inputBlob));
}
}

3
spring-cloud-function-samples/function-sample-azure-blob-trigger/src/test/resource/sample.txt Normal file
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@@ -0,0 +1,3 @@
Authoritarianism begins when we can no longer tell the difference between the true and the appealing.
At the same time, the cynic who decides that there is no truth at all is the citizen who welcomes the tyrant.
― Timothy Snyder, The Road to Unfreedom