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Setup when you have other test resources

An environment file has been provided with all environment variables that are needed to run the application. It is recomennded to create a local environment file for secrets and personal configuration. .env.local is added to the .gitignore.

Run with intellij

We recommend using IntelliJ for local development. To run the application, simply open the repository locally and select ✨Local Server as your run configuration, then run it.

Backstage needs to be running, and you need to be logged in for the plugin backend to work. This is because the internal Backstage backend is the issuer of tokens this backend uses as OAuth server. See backestage frontend plugin.

Run from the terminal

# set environment variables from env-file
export $(xargs <.env)
export $(xargs <.env.local)

./gradlew bootRun

Run using docker-compose

To build the docker image, run:

docker image build -t backstage-plugin-risk-scorecard-backend .

To run the docker image, run:

docker-compose run --build local

Setup from scratch: Preconditions and environment variables

Github App

The Github App is used to issue oauth2 tokens in order to communicate with the Github repositories where the risc analyses are stored. The permissions that are asked for is set in the GithubHelper. Permissions for the access token requested is these:

{
  "repositories": ["<the repo that the risc belongs to>"],
  "permissions": "contents:write,pull_requests:write,statuses:read"
}

New Github App

Set up a Github App in your organisation and give the following permissions: Contents: read/write, commit statuses: read/write, pull requests: read/write, and personal access token requests: read/write.

GITHUB_INSTALLATION_ID: Locate your application, for example by using this link https://github.com/organizations//settings/installations. Click your application, and find the installation id in the url.

GITHUB_APP_ID: When you have created and installed your github app you can locate it here: https://github.com/organizations//settings/apps/.

GITHUB_PRIVATE_KEY_BASE64_ENCODED is a private key generated for the service, and base64 encoded because formats are hard. Generate a new private key, and base64 encode the PEM-key.

echo "<  -----BEGIN RSA PRIVATE KEY----- ... -----END RSA PRIVATE KEY----->" | base64

OAuth Server

We use the backend of the backstage plugin as our issuer/oauth server.

ISSUER_URI: In our case the issuer_uri has been the backstage application "https://kv-ros-backstage-245zlcbrnq-lz.a.run.app/api/auth". For local development the ISSUER_URI can be set to "http://localhost:7007/api/auth".

Json schema and file specific environment variables

RISC_FOLDER_PATH: The folder in which the risc analyses are stored, used for read/write of risc and .sops.yaml.s FILE_NAME_PREFIX: Used to find the correct files. FILE_NAME_PREFIX: Used to find the correct files.

Naming of RiSc files and branches

Because RoS-as-Code is based on using Github for storage, we need to set som rules on how things are to be named. This is to be able to determine the states of the RiSc analyses and to be able to detect the changes that are being made.

RiSc file names

All RiSc analyses needs to be named using a specific convention. It has to be stored in the .security/risc/ folder, and be named FILENAME_PREFIX-<5 random numbers and characters>.FILENAME_POSTFIX.yaml.

RiSc branch names

The RiSc branch-name needs to have the same name as the RiSc; FILENAME_PREFIX-<5 random numbers and characters>.

Commit messages determine the need for approvals

Commit messages are used to determine whether the changes in the draft branch has to be approved by a RiSc-owner or not. Because we only rely on GitHub we have used the commit messages to make the decision. If the commit log from the latest published version until the latest commit on the draft branch does not include commits with "needs approval", we can publish without approval.

Architecture

High level components

flowchart TD
     A[Backstage RiSc-plugin] --> B{RiSc-backend/API} -->|.security/risc| C[(GitHub)]
     style B fill:#FFBF00,color:black
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Simplified Architecture

RiSc Architecture

Simplified Git RiSC-flow

%%{init: { 'logLevel': 'debug', 'theme': 'base' } }%%
gitGraph
   commit
   commit
   branch RISC-xyz12
   checkout RISC-xyz12
   commit id: "Added scenarios"
   commit id: "Edited consequence"
   commit id: "Approved by risk owner"
   checkout main
   merge RISC-xyz12
   commit
   commit
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JSON Schema validation

The JSON schema validation is done using the json-kotlin-schema library version 0.44.
This library has some limitations.
It does not fully support the latest JSON Schema draft.
It covers our need regarding the JSON Schema validation.
If the version of the schema is updated, ensure that the library supports it.

Common errors

JWT Decoder Bean fails to initialize

This is most likely due to it not being able to get the jwks keys, or the key list might be empty. Try to restart the backstage app.