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Chapter 16. Azure Storage Blob Source

Consume Files from Azure Storage Blob.

Important

The Azure Storage Blob Source Kamelet is a Technology Preview feature only. Technology Preview features are not supported with Red Hat production service level agreements (SLAs) and might not be functionally complete. Red Hat does not recommend using them in production.

These features provide early access to upcoming product features, enabling customers to test functionality and provide feedback during the development process. For more information about the support scope of Red Hat Technology Preview features, see https://access.redhat.com/support/offerings/techpreview.

16.1. Configuration Options
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The following table summarizes the configuration options available for the azure-storage-blob-source Kamelet:

Expand
PropertyNameDescriptionTypeDefaultExample

accessKey *

Access Key

The Azure Storage Blob access Key.

string

  

accountName *

Account Name

The Azure Storage Blob account name.

string

  

containerName *

Container Name

The Azure Storage Blob container name.

string

  

period *

Period Between Polls

The interval between fetches to the Azure Storage Container in milliseconds

integer

10000

 

credentialType

Credential Type

Determines the credential strategy to adopt. Possible values are SHARED_ACCOUNT_KEY, SHARED_KEY_CREDENTIAL and AZURE_IDENTITY

string

"SHARED_ACCOUNT_KEY"

 
Note

Fields marked with an asterisk (*) are mandatory.

16.2. Dependencies
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At runtime, the azure-storage-blob-source Kamelet relies upon the presence of the following dependencies:

  • camel:azure-storage-blob
  • camel:jsonpath
  • camel:core
  • camel:timer
  • camel:kamelet

16.3. Usage
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This section describes how you can use the azure-storage-blob-source.

16.3.1. Knative Source
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You can use the azure-storage-blob-source Kamelet as a Knative source by binding it to a Knative object.

azure-storage-blob-source-binding.yaml

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: azure-storage-blob-source-binding
spec:
  source:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: azure-storage-blob-source
    properties:
      accessKey: "The Access Key"
      accountName: "The Account Name"
      containerName: "The Container Name"
  sink:
    ref:
      kind: Channel
      apiVersion: messaging.knative.dev/v1
      name: mychannel
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16.3.1.1. Prerequisite
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Make sure you have "Red Hat Integration - Camel K" installed into the OpenShift cluster you’re connected to.

16.3.1.2. Procedure for using the cluster CLI
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  1. Save the azure-storage-blob-source-binding.yaml file to your local drive, and then edit it as needed for your configuration.

  2. Run the source by using the following command: 

    oc apply -f azure-storage-blob-source-binding.yaml
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16.3.1.3. Procedure for using the Kamel CLI
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Configure and run the source by using the following command: 

kamel bind azure-storage-blob-source -p "source.accessKey=The Access Key" -p "source.accountName=The Account Name" -p "source.containerName=The Container Name" channel:mychannel
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This command creates the KameletBinding in the current namespace on the cluster.

16.3.2. Kafka Source
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You can use the azure-storage-blob-source Kamelet as a Kafka source by binding it to a Kafka topic.

azure-storage-blob-source-binding.yaml

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: azure-storage-blob-source-binding
spec:
  source:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: azure-storage-blob-source
    properties:
      accessKey: "The Access Key"
      accountName: "The Account Name"
      containerName: "The Container Name"
  sink:
    ref:
      kind: KafkaTopic
      apiVersion: kafka.strimzi.io/v1beta1
      name: my-topic
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16.3.2.1. Prerequisites
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Ensure that you’ve installed the AMQ Streams operator in your OpenShift cluster and created a topic named my-topic in the current namespace. Make also sure you have "Red Hat Integration - Camel K" installed into the OpenShift cluster you’re connected to.

16.3.2.2. Procedure for using the cluster CLI
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  1. Save the azure-storage-blob-source-binding.yaml file to your local drive, and then edit it as needed for your configuration.

  2. Run the source by using the following command: 

    oc apply -f azure-storage-blob-source-binding.yaml
    Copy to Clipboard Toggle word wrap

16.3.2.3. Procedure for using the Kamel CLI
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Configure and run the source by using the following command: 

kamel bind azure-storage-blob-source -p "source.accessKey=The Access Key" -p "source.accountName=The Account Name" -p "source.containerName=The Container Name" kafka.strimzi.io/v1beta1:KafkaTopic:my-topic
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This command creates the KameletBinding in the current namespace on the cluster.

16.4. Kamelet source file
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https://github.com/openshift-integration/kamelet-catalog/azure-storage-blob-source.kamelet.yaml

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