fdw-spicedb-poc's Introduction

One Purpose SpiceDB Plugin for Steampipe

Imagine you have workspaces, permissions, and users in your system, and you decide to use SpiceDB as the underlying authorization system to control access to those resources. However, you prefer the SQL language. What can we do with this?

We can utilize Foreign Data Wrapper in PostgreSQL! It's not necessary to start from scratch with implementing an FDW extension, as we can use Steampipe.

This plugin leverages the spicedb schema from another POC.

Let's pose an authorization question:

Which workspaces have granted the 'inventory_all_read' permission to user 'userlarge'?

I can ask with zed command this way:

zed permission lookup-resources workspace inventory_all_read user:userlarge

But with SQL and using this Steampipe plugin, I can query this way:

SELECT name FROM workspaces 
WHERE user_name='userlarge' AND permission='inventory_all_read'

How to use this plugin ?

First, learn about Steampipe and install it from Steampipe

Prerequisite

You need to have SpiceDB installed and update the SpiceDB configuration in ./fdw-spicedb-poc/utils.go I use mentioned [POC](https://github.com/merlante/inventory_access_poc/ for these reasons.

You also need to generate some relations; you can use the script gen_relations.sh:

For example - This generates 60000 workspaces for user60000 with permission inventory_all_read:

./gen_relations.sh 60000 user60000

Then, install Go, and follow these steps:

$ git clone https://github.com/lpichler/fdw-spicedb-poc.git

$ cp ./config/fdw-spicedb-poc.spc ~/.steampipe/config

$ make

$ steampipe query

> SELECT name FROM workspaces WHERE user_name='userlarge' AND permission='inventory_all_read'

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