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Chapter 22. Ceph Source

Receive data from an Ceph Bucket, managed by a Object Storage Gateway.

22.1. Configuration Options
링크 복사

The following table summarizes the configuration options available for the ceph-source Kamelet:

Expand
PropertyNameDescriptionTypeDefaultExample

accessKey *

Access Key

The access key.

string

  

bucketName *

Bucket Name

The Ceph Bucket name.

string

  

cephUrl *

Ceph Url Address

Set the Ceph Object Storage Address Url.

string

 

"http://ceph-storage-address.com"

secretKey *

Secret Key

The secret key.

string

  

zoneGroup *

Bucket Zone Group

The bucket zone group.

string

  

autoCreateBucket

Autocreate Bucket

Specifies to automatically create the bucket.

boolean

false

 

delay

Delay

The number of milliseconds before the next poll of the selected bucket.

integer

500

 

deleteAfterRead

Auto-delete Objects

Specifies to delete objects after consuming them.

boolean

true

 

ignoreBody

Ignore Body

If true, the Object body is ignored. Setting this to true overrides any behavior defined by the includeBody option. If false, the object is put in the body.

boolean

false

 

includeBody

Include Body

If true, the exchange is consumed and put into the body and closed. If false, the Object stream is put raw into the body and the headers are set with the object metadata.

boolean

true

 

prefix

Prefix

The bucket prefix to consider while searching.

string

 

"folder/"

Note

Fields marked with an asterisk (*) are mandatory.

22.2. Dependencies
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At runtime, the ceph-source Kamelet relies upon the presence of the following dependencies:

  • camel:aws2-s3
  • camel:kamelet

22.3. Usage
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This section describes how you can use the ceph-source.

22.3.1. Knative Source
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You can use the ceph-source Kamelet as a Knative source by binding it to a Knative object.

ceph-source-binding.yaml

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: ceph-source-binding
spec:
  source:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: ceph-source
    properties:
      accessKey: "The Access Key"
      bucketName: "The Bucket Name"
      cephUrl: "http://ceph-storage-address.com"
      secretKey: "The Secret Key"
      zoneGroup: "The Bucket Zone Group"
  sink:
    ref:
      kind: Channel
      apiVersion: messaging.knative.dev/v1
      name: mychannel
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22.3.1.1. Prerequisite
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Make sure you have "Red Hat Integration - Camel K" installed into the OpenShift cluster you’re connected to.

22.3.1.2. Procedure for using the cluster CLI
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  1. Save the ceph-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 ceph-source-binding.yaml
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22.3.1.3. Procedure for using the Kamel CLI
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Configure and run the source by using the following command: 

kamel bind ceph-source -p "source.accessKey=The Access Key" -p "source.bucketName=The Bucket Name" -p "source.cephUrl=http://ceph-storage-address.com" -p "source.secretKey=The Secret Key" -p "source.zoneGroup=The Bucket Zone Group" channel:mychannel
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This command creates the KameletBinding in the current namespace on the cluster.

22.3.2. Kafka Source
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You can use the ceph-source Kamelet as a Kafka source by binding it to a Kafka topic.

ceph-source-binding.yaml

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: ceph-source-binding
spec:
  source:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: ceph-source
    properties:
      accessKey: "The Access Key"
      bucketName: "The Bucket Name"
      cephUrl: "http://ceph-storage-address.com"
      secretKey: "The Secret Key"
      zoneGroup: "The Bucket Zone Group"
  sink:
    ref:
      kind: KafkaTopic
      apiVersion: kafka.strimzi.io/v1beta1
      name: my-topic
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22.3.2.1. Prerequisites
링크 복사

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.

22.3.2.2. Procedure for using the cluster CLI
링크 복사

  1. Save the ceph-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 ceph-source-binding.yaml
    Copy to Clipboard Toggle word wrap

22.3.2.3. Procedure for using the Kamel CLI
링크 복사

Configure and run the source by using the following command: 

kamel bind ceph-source -p "source.accessKey=The Access Key" -p "source.bucketName=The Bucket Name" -p "source.cephUrl=http://ceph-storage-address.com" -p "source.secretKey=The Secret Key" -p "source.zoneGroup=The Bucket Zone Group" kafka.strimzi.io/v1beta1:KafkaTopic:my-topic
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This command creates the KameletBinding in the current namespace on the cluster.

22.4. Kamelet source file
링크 복사

https://github.com/openshift-integration/kamelet-catalog/ceph-source.kamelet.yaml

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