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  2. Flex Gateway Policy Development Kit (PDK) (1.0)

  3. Reviewing PDK Prerequisites (1.0)

Reviewing PDK Prerequisites

To begin using Flex Gateway Policy Development Kit (PDK), ensure you have the following prerequisites installed.

Flex Gateway

Your Flex Gateway version must be v1.6.1 or later to support PDK policies.

PDK tutorials assume that you have downloaded Flex Gateway and have some prior knowledge of the product.

Rust Requirements for Using PDK

  1. Git

    To download and install, see Installing Git.

  2. Rust programming language v1.74.0 or later

    To install or update Rust, run the following curl command:

    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
    If you do not have curl installed, see Install curl.

  3. Rust WebAssembly System Interface (WASI) Crate

    To install or update Rust WASI, run the following command:

    rustup target add wasm32-wasi

  4. Cargo Generate

    To install or update Cargo Generate, run the following command:

    cargo install --locked cargo-generate

Supported Operating Systems

  • macOS

  • Ubuntu

    To use Ubuntu, execute the following commands to install the required packages after installing the Rust Requirements for Using PDK:

    sudo apt install -y build-essential
sudo apt install -y pkg-config
sudo apt install -y libssl-dev

  • Windows

    PDK supports Windows to develop and test you custom policy. However, Flex Gateway does not support Windows in production environments.

    To execute the make commands included in PDK, install:

    1. PowerShell on Windows

    2. Make, with either:

Anypoint CLI

To configure the Anypoint CLI for PDK:

  1. Install Anypoint CLI 4.x v1.4.4 or later.

    To find your Anypoint CLI 4.x version, see Verify the Core Package Version.

  2. Authenticate to the Anypoint Platform CLI using a Connected App.

    Authenticate with a Connected App by providing the app’s client ID and client secret.

    In addition to the View Organization and View Environment scopes required to authenticate to Anypoint Platform, to complete Uploading Custom Policies to Exchange, the Connected App must have the Exchange Contributor scope applied.

  3. Run the following command to install or update the Anypoint CLI PDK Plugin:

    anypoint-cli-v4 plugins:install anypoint-cli-pdk-plugin

Docker

Docker is required to use the local debugging environment and the integration testing framework provided with PDK. You can still build and publish policies without docker.

To install Docker, see Install Docker.

You can run Flex Gateway in Local Mode on Docker in Windows only to develop and test your policies. However, Flex Gateway does not support Windows in production environments.

Visual Studio (Suggested IDE)

You can use PDK in any IDE or text editor, such as Microsoft Visual Studio with the Rust in Visual Studio Code Plugin installed.

See Also