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https://github.com/defenseunicorns/lula

The Compliance Validator
https://github.com/defenseunicorns/lula

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The Compliance Validator

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# Lula - The Kubernetes Compliance Engine

[![Go version](https://img.shields.io/github/go-mod/go-version/defenseunicorns/lula?filename=go.mod)](https://go.dev/)
[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/defenseunicorns/lula/badge)](https://api.securityscorecards.dev/projects/github.com/defenseunicorns/lula)

Lula is a tool written to bridge the gap between expected configuration required for compliance and **_actual_** configuration.

Cloud Native Infrastructure, Platforms, and applications can establish OSCAL documents that live beside source-of-truth code bases. Providing an inheritance model for when a control that the technology can satisfy _IS_ satisfied in a live-environment.

This can be well established and regulated standards such as NIST 800-53. It can also be best practices, Enterprise Standards, or simply team development standards that need to be continuously monitored and validated.

## Why this approach vs a policy engine?

- Lula is not meant to compete with policy engines - rather augment the auditing and alerting process
- Often admission control processes have a difficult time establishing `big picture` global context control satisfaction
- Lula is meant to allow modularity and inheritance of controls based upon the components of the system you build

## How does it work?

Under the hood, Lula has two primary capabilities; Provider and Domains.

- A Domain is an identifier for where to collect data to be validated
- A Provider is the "engine" performing the validation using policy and the data collected.

In the standard CLI workflow:

- Target a `Component-Definition` OSCAL file for validation
- `lula validate oscal-component.yaml`
- This creates an object in memory for the OSCAL content
- Lula then traverses as required to identify `implemented-requirements` that contain a Lula Validation Payload
- When the payload has been identified:
- Lula processes provider to understand which provider to use for validation
- More than one provider can be used in an OSCAL document
- Lula processes the domain to understand how data is collected (and which data to collect)
- Lula collects the data for validation as specified in the payload
- Lula performs validation of the data collected as specified as policy in the payload

## Getting Started

### Try it out

#### Dependencies

- A running Kubernetes cluster
- Kind
- `kind create cluster -n lula-test`
- K3d
- `k3d cluster create lula-test`
- kubectl
- GoLang version 1.22.x

#### Steps

1. Clone the repository to your local machine and change into the `lula` directory

```shell
git clone https://github.com/defenseunicorns/lula.git && cd lula
```

2. While in the `lula` directory, compile the tool into an executable binary. This outputs the `lula` binary to the `bin` directory.

```shell
make build
```

3. Apply the `./demo/namespace.yaml` file to create a namespace for the demo

```shell
kubectl apply -f ./demo/namespace.yaml
```

4. Apply the `./demo/pod.fail.yaml` to create a pod in your cluster

```shell
kubectl apply -f ./demo/pod.fail.yaml
```

5. Run the following command in the `lula` directory:

```shell
./bin/lula validate -f ./demo/oscal-component.yaml
```

The output in your terminal should inform you that the control validated is `not-satisfied`:

```shell
NOTE Saving log file to
/var/folders/f7/8csz3jj97lb8nqp_zv9kh07m0000gn/T/lula-2024-01-24-13-51-58-2247835644.log
• UUID: c759a19b-d408-424c-8342-298f45e18b68
• Status: not-satisfied
✔ Validating Implemented Requirement - 42C2FFDC-5F05-44DF-A67F-EEC8660AEFFD
• Writing Security Assessment Results to: assessment-results-01-24-2024-13:51:58.yaml
```

This will also produce an assessment-results file with timestamp - review the findings and observations:

```yaml
findings:
- description: Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
related-observations:
- observation-uuid: ef12a3bb-fd86-4336-9d28-98d00c7dc26d
target:
status:
state: not-satisfied
target-id: ID-1
type: objective-id
title: 'Validation Result - Component:A9D5204C-7E5B-4C43-BD49-34DF759B9F04 / Control Implementation: A584FEDC-8CEA-4B0C-9F07-85C2C4AE751A / Control: ID-1'
uuid: c759a19b-d408-424c-8342-298f45e18b68
observations:
- collected: "2024-01-24T13:51:58-08:00"
description: |
[TEST] ID-1 - a7377430-2328-4dc4-a9e2-b3f31dc1dff9
methods:
- TEST
relevant-evidence:
- description: |
Result: not-satisfied - Passing Resources: 0 - Failing Resources 1
uuid: ef12a3bb-fd86-4336-9d28-98d00c7dc26d
```

6. Now, apply the `./demo/pod.pass.yaml` file to your cluster to configure the pod to pass compliance validation:

```shell
kubectl apply -f ./demo/pod.pass.yaml
```

7. Run the following command in the `lula` directory:

```shell
./bin/lula validate -f ./demo/oscal-component.yaml
```

The output should now show the pod as passing the compliance requirement:

```shell
NOTE Saving log file to
/var/folders/f7/8csz3jj97lb8nqp_zv9kh07m0000gn/T/lula-2024-01-24-13-54-19-2423960428.log
• UUID: c3e4ccb2-6843-4ec2-a500-559cdd7918d5
• Status: satisfied
✔ Validating Implemented Requirement - 42C2FFDC-5F05-44DF-A67F-EEC8660AEFFD
• Writing Security Assessment Results to: assessment-results-01-24-2024-13:54:19.yaml
```

This will produce a new assessment-results file with timestamp - review the findings and observations:

```yaml
findings:
- description: Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
related-observations:
- observation-uuid: 84a169a1-74d6-4e26-bbfb-4dfc474c7790
target:
status:
state: satisfied
target-id: ID-1
type: objective-id
title: 'Validation Result - Component:A9D5204C-7E5B-4C43-BD49-34DF759B9F04 / Control Implementation: A584FEDC-8CEA-4B0C-9F07-85C2C4AE751A / Control: ID-1'
uuid: c3e4ccb2-6843-4ec2-a500-559cdd7918d5
observations:
- collected: "2024-01-24T13:54:19-08:00"
description: |
[TEST] ID-1 - a7377430-2328-4dc4-a9e2-b3f31dc1dff9
methods:
- TEST
relevant-evidence:
- description: |
Result: satisfied - Passing Resources: 1 - Failing Resources 0
uuid: 84a169a1-74d6-4e26-bbfb-4dfc474c7790
```

## Future Extensibility

- Support for cloud infrastructure state queries

## Developing

- Go 1.22.x