system-broker

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Published: Jun 7, 2024 License: Apache-2.0

README

System Broker

The System Broker exposes OSB API as well as an endpoint for fetching specifications.

Development

Local

The System Broker component can be run locally using the run.sh script.

./run.sh

By default, the System Broker API is accessible at: locahost:8080/broker.

Calls made to the API should provide Authorization and X-Broker-API-Version headers. The following token can be used for authorization:

eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJzY29wZXMiOiJhcHBsaWNhdGlvbjpyZWFkIGF1dG9tYXRpY19zY2VuYXJpb19hc3NpZ25tZW50OndyaXRlIGF1dG9tYXRpY19zY2VuYXJpb19hc3NpZ25tZW50OnJlYWQgaGVhbHRoX2NoZWNrczpyZWFkIGFwcGxpY2F0aW9uOndyaXRlIHJ1bnRpbWU6d3JpdGUgbGFiZWxfZGVmaW5pdGlvbjp3cml0ZSBsYWJlbF9kZWZpbml0aW9uOnJlYWQgcnVudGltZTpyZWFkIHRlbmFudDpyZWFkIiwidGVuYW50IjoiM2U2NGViYWUtMzhiNS00NmEwLWIxZWQtOWNjZWUxNTNhMGFlIn0.

Thus, an example call to the local broker looks like the following:

curl -H "X-Broker-API-Version: 2.15" -H "Authorization: Bearer eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJzY29wZXMiOiJhcHBsaWNhdGlvbjpyZWFkIGF1dG9tYXRpY19zY2VuYXJpb19hc3NpZ25tZW50OndyaXRlIGF1dG9tYXRpY19zY2VuYXJpb19hc3NpZ25tZW50OnJlYWQgaGVhbHRoX2NoZWNrczpyZWFkIGFwcGxpY2F0aW9uOndyaXRlIHJ1bnRpbWU6d3JpdGUgbGFiZWxfZGVmaW5pdGlvbjp3cml0ZSBsYWJlbF9kZWZpbml0aW9uOnJlYWQgcnVudGltZTpyZWFkIHRlbmFudDpyZWFkIiwidGVuYW50IjoiM2U2NGViYWUtMzhiNS00NmEwLWIxZWQtOWNjZWUxNTNhMGFlIn0." localhost:8080/broker/v2/catalog

Note

The System Broker makes API calls to the Director component. Therefore, to use the System Broker successfully, the Director component must be started, too. To do this, go to the compass/components/director/ directory and run the run.sh script.

k3d

The System Broker is a component that is part of the Compass installation, so it is enough to start Compass on k3d.

To do this, perform the following procedure:

  1. Navigate to compass/installation/cmd.
  2. Execute ./run.sh. This script starts Compass with minimal Kyma dependencies.
  3. Access the System Broker API at the following URL: https://compass-gateway-mtls.kyma.local/broker.

Configuration

The System Broker binary allows to override some configuration parameters. You can specify the following as command line arguments or as environment variables.

The configuration structure (config.go) is self descriptive. Default values can be found in the DefaultConfig method. You can find an example for using environment variables in the following Helm charts at: deployment.yaml.

Usage

Provision and deprovision are asynchronous and require accepts_incomplete=true. Bind and unbind are synchronous.

Specifications

URLs pointing to the specifications API are included in the OSB plan metadata as part of the catalog response. Specifications API returns a single JSON, XML, or YAML document containing the specification of the API, or event definition defined by the specified query parameters.

Example link to a specifications file: https://compass-gateway.kyma.local/broker/specifications?app_id=53acc071-42ec-4561-962d-bf3dbc286cb7&bundle_id=b2bb4664-930b-491f-a922-8ac586ec84f9&definition_id=0c17b77e-530b-47d8-a23f-ad462ed4ee0a

Example catalog containing specifications metadata:

{
    "services": [
        {
            "id": "53acc071-42ec-4561-962d-bf3dbc286cb7",
            "name": "commerce",
            "description": "commerce",
            "bindable": true,
            "plan_updateable": false,
            "plans": [
                {
                    "id": "b2bb4664-930b-491f-a922-8ac586ec84f9",
                    "name": "SAP Commerce Cloud",
                    "description": "SAP Commerce Cloud",
                    "bindable": true,
                    "metadata": {
                        "specifications": [
                            {
                                "definition_id": "0c17b77e-530b-47d8-a23f-ad462ed4ee0a",
                                "definition_name": "Inbound OMM OrderEntry",
                                "specification_category": "api_definition",
                                "specification_format": "application/xml",
                                "specification_type": "ODATA",
                                "specification_url": "https://compass-gateway-mtls.kyma.local/open-resource-discovery-static/v0/api/0c17b77e-530b-47d8-a23f-ad462ed4ee0a/specification/b2bb4664-930b-491f-a922-8ac586ec84f9"
                            },
                            {
                                "definition_id": "240031e6-4f15-40f0-b93e-948040020f70",
                                "definition_name": "Commerce Webservices",
                                "specification_category": "api_definition",
                                "specification_format": "application/json",
                                "specification_type": "OPEN_API",
                                "specification_url": "https://compass-gateway-mtls.kyma.local/open-resource-discovery-static/v0/api/53acc071-42ec-4561-962d-bf3dbc286cb7/specification/240031e6-4f15-40f0-b93e-948040020f70"
                            }
                        ]
                    }
                }
            ],
            "metadata": {
                "displayName": "commerce",
                "integrationSystemID": "",
                "name": "commerce",
                "providerDisplayName": "commerce",
                "scenarios": [
                    "DEFAULT"
                ]
            }
        }
    ]
}
Bindings Format

Example OSB bind response:

{
    "credentials": {
        "id": "52ae3582-0052-4114-87ea-617b6854fb7f",
        "credentials_type": "basic_auth",
        "target_urls": {
            "comments-v1": "http://mywordpress.com/comments",
            "reviews-v1": "http://mywordpress.com/reviews",
            "xml": "http://mywordpress.com/xml"
        },
        "auth_details": {
            "request_parameters": {
                "headers": {
                    "header-A": [
                        "ha1",
                        "ha2"
                    ],
                    "header-B": [
                        "hb1",
                        "hb2"
                    ]
                },
                "query_parameters": {
                    "qA": [
                        "qa1",
                        "qa2"
                    ],
                    "qB": [
                        "qb1",
                        "qb2"
                    ]
                }
            },
            "auth": {
                "username": "admin",
                "password": "secret"
            }
        }
    }
}

For the example above, the bundle instance auth credentials were set with the following mutation: set-bundle-instance-auth.graphql.

Directories

Path Synopsis
internal
osb
osb/osbfakes
Code generated by counterfeiter.
Code generated by counterfeiter.
pkg
director/directorfakes
Code generated by counterfeiter.
Code generated by counterfeiter.
env
env/envfakes
Code generated by counterfeiter.
Code generated by counterfeiter.
graphql/graphqlfakes
Code generated by counterfeiter.
Code generated by counterfeiter.
http
* Copyright 2020 The Compass Authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License.
* Copyright 2020 The Compass Authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License.
http/httpfakes
Code generated by counterfeiter.
Code generated by counterfeiter.
log
ord
types/typesfakes
Code generated by counterfeiter.
Code generated by counterfeiter.
tests

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