Showing posts with label serverless. Show all posts
Showing posts with label serverless. Show all posts

Monday, June 7, 2021

Deploy Azure function in Java

HOWTO

GitHub

 https://github.com/dveselka/devops-terraform/tree/master/azure/function/az-func

 

Create function using Maven

 

[dave@dave function]$ mvn archetype:generate -DarchetypeGroupId=com.microsoft.azure -DarchetypeArtifactId=azure-functions-archetype -DjavaVersion=11
[INFO] Scanning for projects...
[INFO] 
[INFO] ------------------< org.apache.maven:standalone-pom >-------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] --------------------------------[ pom ]---------------------------------
[INFO] 
[INFO] >>> maven-archetype-plugin:3.1.2:generate (default-cli) > generate-sources @ standalone-pom >>>
[INFO] 
[INFO] <<< maven-archetype-plugin:3.1.2:generate (default-cli) < generate-sources @ standalone-pom <<<
[INFO] 
[INFO] 
[INFO] --- maven-archetype-plugin:3.1.2:generate (default-cli) @ standalone-pom ---
[INFO] Generating project in Interactive mode
[INFO] Archetype [com.microsoft.azure:azure-functions-archetype:1.39] found in catalog remote
Downloading from central: https://repo.maven.apache.org/maven2/com/microsoft/azure/azure-functions-archetype/1.39/azure-functions-archetype-1.39.pom
Downloaded from central: https://repo.maven.apache.org/maven2/com/microsoft/azure/azure-functions-archetype/1.39/azure-functions-archetype-1.39.pom (1.8 kB at 38 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/com/microsoft/azure/azure-functions-archetype/1.39/azure-functions-archetype-1.39.jar
Downloaded from central: https://repo.maven.apache.org/maven2/com/microsoft/azure/azure-functions-archetype/1.39/azure-functions-archetype-1.39.jar (18 kB at 457 kB/s)
Define value for property 'groupId' (should match expression '[A-Za-z0-9_\-\.]+'): com.dave
[INFO] Using property: groupId = com.dave
Define value for property 'artifactId' (should match expression '[A-Za-z0-9_\-\.]+'): az-func
[INFO] Using property: artifactId = az-func
Define value for property 'version' 1.0-SNAPSHOT: : 
Define value for property 'package' com.dave: : 
[INFO] Using property: appName = $(artifactId)-$(timestamp)
[INFO] Using property: appRegion = westus
[INFO] Using property: appServicePlanName = java-functions-app-service-plan
[INFO] Using property: docker = false
[INFO] Using property: javaVersion = 11
[INFO] Using property: resourceGroup = java-functions-group
[INFO] Using property: trigger = HttpTrigger
Confirm properties configuration:
groupId: com.dave
groupId: com.dave
artifactId: az-func
artifactId: az-func
version: 1.0-SNAPSHOT
package: com.dave
appName: $(artifactId)-$(timestamp)
appRegion: westus
appServicePlanName: java-functions-app-service-plan
docker: false
javaVersion: 11
resourceGroup: java-functions-group
trigger: HttpTrigger
 Y: : 
[INFO] ----------------------------------------------------------------------------
[INFO] Using following parameters for creating project from Archetype: azure-functions-archetype:1.39
[INFO] ----------------------------------------------------------------------------
[INFO] Parameter: groupId, Value: com.dave
[INFO] Parameter: artifactId, Value: az-func
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] Parameter: package, Value: com.dave
[INFO] Parameter: packageInPathFormat, Value: com/dave
[INFO] Parameter: resourceGroup, Value: java-functions-group
[INFO] Parameter: package, Value: com.dave
[INFO] Parameter: appName, Value: $(artifactId)-$(timestamp)
[INFO] Parameter: javaVersion, Value: 11
[INFO] Parameter: groupId, Value: com.dave
[INFO] Parameter: artifactId, Value: az-func
[INFO] Parameter: appServicePlanName, Value: java-functions-app-service-plan
[INFO] Parameter: trigger, Value: HttpTrigger
[INFO] Parameter: appRegion, Value: westus
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] Parameter: docker, Value: false
[INFO] Executing META-INF/archetype-post-generate.groovy post-generation script
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/home/dave/.m2/repository/org/codehaus/groovy/groovy/2.4.16/groovy-2.4.16.jar) to method java.lang.Object.finalize()
WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[INFO] Project created from Archetype in dir: /git/devops-terraform/azure/function/az-func
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  36.355 s
[INFO] Finished at: 2021-06-07T22:04:15+02:00
[INFO] ------------------------------------------------------------------------
[dave@dave function]$ find
.
./az-func
./az-func/host.json
./az-func/pom.xml
./az-func/local.settings.json
./az-func/src
./az-func/src/main
./az-func/src/main/java
./az-func/src/main/java/com
./az-func/src/main/java/com/dave
./az-func/src/main/java/com/dave/Function.java
./az-func/src/test
./az-func/src/test/java
./az-func/src/test/java/com
./az-func/src/test/java/com/dave
./az-func/src/test/java/com/dave/FunctionTest.java
./az-func/src/test/java/com/dave/HttpResponseMessageMock.java
./az-func/.gitignore

Deploy function to Azure 

[dave@dave az-func]$ mvn azure-functions:deploy
[INFO] Scanning for projects...
[INFO] 
[INFO] --------------------------< com.dave:az-func >--------------------------
[INFO] Building Azure Java Functions 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- azure-functions-maven-plugin:1.12.0:deploy (default-cli) @ az-func ---
[WARNING] The POM for com.microsoft.azure.applicationinsights.v2015_05_01:azure-mgmt-insights:jar:1.0.0-beta is invalid, transitive dependencies (if any) will not be available, enable debug logging for more details
[INFO] Set function worker runtime to java.
[INFO] Auth type: OAUTH2
Default subscription: Free Trial(3434343434343434343)
Username: some.name@gmail.com
[INFO] Subscription: Free Trial(3434343434343434343)
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/home/dave/.m2/repository/org/codehaus/groovy/groovy/2.5.11/groovy-2.5.11.jar) to method java.lang.Object.finalize()
WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[INFO] Creating resource group java-functions-group in region westus...
[INFO] Successfully created resource group java-functions-group.
[INFO] Creating app service plan...
[INFO] Successfully created app service plan java-functions-app-service-plan.
[INFO] Creating function app az-func-20210607220415178...
[INFO] Creating application insights...
[INFO] Successfully created the application insights az-func-20210607220415178 for this Function App. You can visit https://ms.portal.azure.com/#@/resource/subscriptions/3434343434343434343/resourceGroups/java-functions-group/providers/microsoft.insights/components/az-func-20210607220415178/overview to view your Application Insights component.
[INFO] Ignoring decoding of null or empty value to:com.azure.resourcemanager.storage.fluent.models.StorageAccountInner
[INFO] Successfully created function app az-func-20210607220415178.
[INFO] Starting deployment...
[INFO] Trying to deploy artifact to az-func-20210607220415178...
[INFO] Successfully deployed the artifact to https://az-func-20210607220415178.azurewebsites.net
[INFO] Deployment done, you may access your resource through https://ms.portal.azure.com/#@/resource/subscriptions/343434343434/resourceGroups/java-functions-group/providers/Microsoft.Web/sites/az-func-20210607220415178
[INFO] Syncing triggers and fetching function information (Attempt 1/3)...
[INFO] Syncing triggers and fetching function information (Attempt 2/3)...
[INFO] HTTP Trigger Urls:
[INFO]      az-func-20210607220415178/HttpExample : https://az-func-20210607220415178.azurewebsites.net/api/httpexample
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  03:17 min
[INFO] Finished at: 2021-06-07T22:15:06+02:00
[INFO] ------------------------------------------------------------------------

Run function 
https://az-func-20210607343434.azurewebsites.net/api/httpexample?name=dave
Azure function in Portal
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Sunday, April 26, 2020

AWS Lambda using Python

AWS HOWTO
https://docs.aws.amazon.com/lambda/latest/dg/getting-started.html


AWS repository
https://github.com/awsdocs/aws-lambda-developer-guide


Check prerequisities

[dave@dave ~]$ aws --version

aws-cli/2.0.1 Python/3.7.3 Linux/5.5.16-200.fc31.x86_64 botocore/2.0.0dev5

[dave@dave ~]$ python --version

Python 3.7.6

 



Python Lambda

import json

 
def lambda_handler(event, context):

    # TODO implement

    return {

        'statusCode': 200,

        'body': json.dumps('Hello from Lambda!')

    }



Get lambda in AWS CLI

[dave@dave aws-lambda-developer-guide]$  aws lambda get-function --function-name dave-test-function

{

    "Configuration": {

        "FunctionName": "dave-test-function",

        "FunctionArn": "arn:aws:lambda:eu-central-1:45454545454:function:dave-test-function",

        "Runtime": "python3.8",

        "Role": "arn:aws:iam::45454545:role/dave-lambda-role-test",

        "Handler": "lambda_function.lambda_handler",

        "CodeSize": 299,

        "Description": "",

        "Timeout": 3,

        "MemorySize": 128,

        "LastModified": "2020-04-26T07:53:06.901+0000",

        "CodeSha256": "45454545454545",

        "Version": "$LATEST",

        "TracingConfig": {

            "Mode": "PassThrough"

        },

        "RevisionId": "454545454545",

        "State": "Active",

        "LastUpdateStatus": "Successful"

    },

    "Code": {

        "RepositoryType": "S3",

        "Location": "https://awslambda-eu-cent-1-tasks.s3.eu-central-1.amazonaws.com/snapshots/454534345656/dave-test-function-456544562342423424"

    }

}

 
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