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ProActive Catalog

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The goal of the catalog is to store ProActive objects. It is the catalog for general purpose.

The stored objects in the catalog could be:

  • rule for PCW service
  • workflows
  • selection script
  • Proactive pre/post task
  • objects for authentication service
  • any kind of other objects

Catalog contains a set of objects organized into buckets with versioning capabilities.

A single Bucket can store multiple kinds of objects

Building and deploying

You can build a WAR file as follows:

$ ./gradlew clean build war

Then, you can directly deploy the service with embedded Tomcat:

$ java -jar build/libs/catalog-X.Y.Z-SNAPSHOT.war

The WAR file produced by Gradle can also be deployed in the embedded Jetty container started by an instance of ProActive Server.

Samples with REST API

Available resources can be listed and tested with Swagger. A complete documentation of the Catalog REST API is available by default on:

http://localhost:8080/catalog/swagger-ui.html

Below are some REST invocations using HTTPie.

Bucket resource

Creating a new bucket named test:

$ http -f POST http://localhost:8080/buckets name=test-bucket

Getting information about bucket by name as identifier:

$ http http://localhost:8080/buckets/test-bucket

Listing available buckets:

$ http http://localhost:8080/buckets

Object resource

REST actions related to existing objects apply to the latest revision of the identified object.

Adding a new object in bucket with name test-bucket:

$ http -f POST http://localhost:8080/buckets/test-bucket/objects file@/path/to/object.xml

Getting object metadata for object with name objectName in bucket test-bucket:

$ http http://localhost:8080/buckets/test-bucket/objects/objectName

Fetching the raw content of a last revision for object with identifier objectName:

$ http http://localhost:8080/buckets/{bucketName}/resources/{objectName}/raw

Listing objects managed by bucket with name test-bucket:

$ http http://localhost:8080/buckets/test-bucket/objects

Object revision resource

Adding a new object revision for object with name objectName in bucket with name test-bucket:

$ http -f POST http://localhost:8080/buckets/test-bucket/objects/objectName/revisions file@/path/to/object.xml

Getting object metadata for object with identifier objectName in bucket test-bucket for revision identified by commitTime:

$ http http://localhost:8080/buckets/test-bucket/objects/objectName/revisions/commitTime

Fetching raw object's content for object with identifier objectName and specific revision by commitTime:

$ http http://localhost:8080/buckets/{bucketName}/resources/{objectName}/revisions/{commitTime}/raw

Listing all revisions for object with name test-bucket:

$ http http://localhost:8080/buckets/test-bucket/objects/objectName/revisions

GraphQL usage

GraphQL is the standardized query language, which provides opportunity to search and retrieve the Objects by specified criterion from the Catalog. NOTE: Please follow the graphiql endpoint: http://localhost:8080/catalog/graphiql in order to query for the specific Object.

In GraphQL the user can filter Objects by specific parameters. The user will retrieve only the fields of Object that are required.

Example of GraphQL query

The next example will fetch all Objects that has name like Clear% from cloud-automation bucket. The response will return all fields, that are in the query.

{
  allCatalogObjects(where: {AND: [{nameArg: {like: "Clear%"}}, {bucketNameArg: {eq: "cloud-automation"}}]}) {
    edges {
      bucketName
      name
      kind
      contentType
      metadata {
        key
        value
        label
      }
      commitMessage
      commitDateTime
      link
    }
    page
    size
    totalPage
    totalCount
    hasNext
    hasPrevious
  }
}

More complex examples are available inside GraphqlServiceIntegrationTest class implementation. For more information about existing search filters and model of Catalog Object, please check Documentation explorer in graphiql GUI.

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