Do your AWS deployments match your Terraform definitions? Use SQL to find out.

In “How SQL can unify entry to APIs” I made the case for SQL as a typical surroundings wherein to cause about information flowing from many various APIs. The important thing enabler of that situation is Steampipe, a Postgres-based device with a rising suite of API plugins that map APIs to overseas tables in Postgres.

These APIs had been, initially, those supplied by AWS, Azure, and GCP. Such APIs are sometimes made extra accessible to builders by means of wrappers like boto3. A typical SQL interface is arguably a greater unifier of the sprawling API ecosystems inside these clouds, and that’s inarguably true in multicloud situations. With Postgres below the hood, by the way in which, you’re not restricted to SQL: You may hook Python or JavaScript or one other language to Postgres and leverage the widespread SQL interface from these languages too.

The Steampipe ecosystem then expanded with plugins for a lot of different providers together with GitHub, Google Workspace, IMAP, Jira, LDAP, Shodan, Slack, Stripe, and Zendesk. Becoming a member of throughout these APIs is a superpower finest confirmed by this instance that joins Amazon EC2 endpoints with Shodan vulnerabilities in simply 10 strains of very fundamental SQL.

  aws_ec2_instance a
left be part of
  shodan_host s on a.public_ip_address = s.ip
the place
  a.public_ip_address will not be null;

| instance_id         | ports    | vulns              |
| i-0dc60dd191cb84239 | null     | null               |
| i-042a51a815773780d | [80,22]  | null               |
| i-00cf426db9b8a58b6 | [22]     | null               |
| i-0e97f373db42dfa3f | [22,111] | ["CVE-2018-15919"] |

Information are APIs too

However what’s an API, actually? Should it all the time entail HTTP requests to service endpoints? Extra broadly APIs are information sources that are available different flavors too. Net pages are sometimes, nonetheless, de facto APIs. I’ve achieved extra internet scraping than I care to consider over time and the talent stays helpful.

Information are additionally information sources: configuration recordsdata (INI, YAML, JSON), infrastructure-as-code recordsdata (Terraform, CloudFormation), information recordsdata (CSV). When plugins for these sources started to hitch the combination, Steampipe turned much more highly effective.

First got here the CSV plugin, which unlocked all kinds of helpful queries. Think about, for instance, how we frequently fake spreadsheets are databases. In doing so we are able to assume there’s referential integrity when actually there isn’t. In case you export spreadsheet information to CSV, you need to use SQL to discover these flawed assumptions. And that’s simply one of many countless methods I can think about utilizing SQL to question the world’s main file format for information change.

Then got here the Terraform plugin, which queries Terraform recordsdata to ask and reply questions like: “Which trails are usually not encrypted?”

the place
  and arguments -> 'kms_key_id' is null;

Utilizing the AWS plugin’s aws_cloudtrail_trail desk, we are able to ask and reply the identical query for deployed infrastructure, and return a outcome set that you can UNION with the primary one.

  arn as path
the place
  kms_key_id is null;

Ideally the solutions will all the time be the identical. What you mentioned needs to be deployed, utilizing Terraform, ought to match what’s really deployed if you happen to question AWS APIs. In the actual world, in fact, upkeep and/or incident response may end up in configuration drift. Given a typical option to cause over outlined and deployed infrastructure, we are able to handle such drift programmatically.

Belt and suspenders

For deployed infrastucture, Steampipe has lengthy supplied a set of mods that layer safety and compliance checks onto API-derived overseas tables. The AWS Compliance mod, for instance, offers benchmarks and controls to verify deployed infrastructure in opposition to eleven requirements and frameworks together with CIS, GDPR, HIPAA, NIST 800-53, and SOC 2.

steampipe aws cis v140 console IDG

With the arrival of the Terraform plugin it turned potential to create complementary mods, like Terraform AWS Compliance, that present the identical sorts of checks for outlined infrastructure.

steampipe terraform aws compliance console output IDG

Does what you outlined final month match what you deployed yesterday? A passable reply requires the power to cause over outlined and deployed infrastructure in a typical and frictionless approach. SQL can’t take away all of the friction but it surely’s a strong solvent.

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