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Public API for the Nalej services

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Public API

This component represents the entry point into the Nalej platform for the user requests. Authenticated requests will be send to this component once the login has been performed, and the component will forward the requests to the appropriate services. The purpose of the public-api is to redirect/adapt user requests to the appropriate internal component of the management cluster, and transform the response to the user.

Notice that he public api supports REST and gRPC request by means of the grpc-gateway that is launched when the server starts.

It is important to highlight that the public-api must transform gRPC internal entities into web compatible ones for those clients connecting through the REST endpoint. Therefore, some of the entities are augmented by the public-api server to transform internal types such as enumerations into web compatible string values. Future versions of the public-api will support specific REST and gRPC input/output entities and will provide decorator operations (e.g., sorting) on the returned results. ​

Getting Started

​ The public-api component is the entry point for user request on the platform. The user needs to perform logging in the platform before being able to execute any action as the JWT is checked by the authx-interceptor. ​

Prerequisites

  • A valid deployment of the whole Nalej platform on the management cluster. ​​

Build and compile

​ In order to build and compile this repository use the provided Makefile: ​

make all

​ This operation generates the binaries for this repo, download dependencies, run existing tests and generate ready-to-deploy Kubernetes files. ​

Run tests

​ Tests are executed using Ginkgo. To run all the available tests: ​

make test

Update dependencies

​ Dependencies are managed using Godep. For an automatic dependencies download use: ​

make dep

​ In order to have all dependencies up-to-date run: ​

dep ensure -update -v

Integration tests

Some integration test are included. To execute those, setup the following environment variables. The execution of integration tests may have collateral effects on the state of the platform. DO NOT execute those tests in production.

The following table contains the variables that activate the integration tests

Variable Example Value Description
RUN_INTEGRATION_TEST true Run integration tests
IT_SM_ADDRESS localhost:8800 System Model Address
IT_INFRAMGR_ADDRESS localhost:8860 Infrastructure Manager Address
IT_MONITORING_MANAGER_ADDRESS localhost:8423 Monitoring Manager Address
IT_APPMGR_ADDRESS localhost:8910 Applications Manager Address
IT_UL_COORD_ADDRESS localhost:8323 Unified Logging Coordinator Address
IT_USER_MANAGER_ADDRESS localhost:8920 User Manager Address
IT_DEVICE_MANAGER_ADDRESS localhost:6010 Device Manager Address

User client interface

To interact with the platform, we offer a Public API CLI that supports all the operations the users can execute on the platform. Use the following commands to setup the cli, so that less parameters are required.

$ ./bin/public-api-cli options update platform <platform_url_without_api_prefix>
$ ./bin/public-api-cli options set --key=output --value=table

Next, log into the platform with the user credentials

$ ./bin/public-api-cli login --email <user_email> --password <user_password>
EMAIL          ROLE          ORG_ID                                 EXPIRES
<user_email>   <user_role>   6b735d0c-5987-4f11-bbf5-f133c5efe076   2019-11-07 13:17:36 +0100 CET

After this, the user can issue any of the commands. Notice that some commands may fail due to the user having insufficient priviledges to perform a particular action. Use the CLI help and platform documentation to discover the available commands.

$ ./bin/public-api-cli --help

Known Issues

  • The public-api-cli2 CLI sets the foundation for the refactor of the CLI planned for future releases of the platform.
  • AuthX related functionality such as the interceptors will be moved to the specific authx-interceptors repository in future releases
  • The REST gateway returns gRPC transformed JSON objects. Therefore some attributes may be omitted when they have the gRPC default value. This behavior will be modified in future releases to return a fully qualified JSON.
  • Some operations such as uploading a application descriptor requires passing the internal gRPC entity. A future refactor will assure that all request belong to the public-api entities.
  • Some of the CLI commands support both parameters and flags for the same attribute. This behavior is being refactored to favor parameters when the value is required. ​

Contributing

​ Please read contributing.md for details on our code of conduct, and the process for submitting pull requests to us. ​

Versioning

​ We use SemVer for versioning. For the versions available, see the tags on this repository. ​

Authors

​ See also the list of contributors who participated in this project. ​

License

This project is licensed under the Apache 2.0 License - see the LICENSE-2.0.txt file for details.

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