sql_exporter, Your Own SQL As Metrics, A Count That Moved

sql_exporter (sha256-verified) on EL 10 from the upstream release, as a hardened systemd service on loopback; the live test reads a 500 with no database (nothing invented), brings up PostgreSQL 16 as a fixture, reads the shipped query at 0, inserts three rows and reads 3; the config with the DSN is checked by -config.check before it lands. Original role, live-tested on Rocky Linux 10.

ansibleObservability

Verification

Live-tested

Really deployed to a container sandbox, proven idempotent (a second run changes nothing), verified against the role’s assertions, then torn down.

Conformance

  • Static validation (yamllint · ansible-lint)

Provenance

  • SHA-256 checksum
  • Signature (pending)

Functional

  • Live-tested - applied, verified, destroyed

Last verified 2026-09-21 · podman 4.9.3 · ansible 2.21.4 · how we verify

Cite it in your README

badge · attribution

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Ansible role 1.0.0, live-tested on IaC Bazaar: [sql_exporter, Your Own SQL As Metrics, A Count That Moved](https://www.iac-bazaar.com/catalog/ansible-sql-exporter?utm_source=syndication&utm_medium=readme&utm_campaign=artifact)

```yaml
# sql_exporter, Your Own SQL As Metrics, A Count That Moved: https://www.iac-bazaar.com/catalog/ansible-sql-exporter (download from your IaC Bazaar account)
```

Preview:IaC Bazaar: live-tested

Documentation

sql-exporter

sql_exporter, the rows your own SQL returns as Prometheus metrics, from the upstream release (sha256-verified), as a hardened system service on loopback with the DSN in a root-owned config the exporter checks before it lands. Original role for EL 10, live-tested with podman on Rocky Linux 10.

No package, so the checksum is the whole story. EL 10 carries no sql_exporter; burningalchemist ships a release with a checksum file beside it. The role downloads both and has Ansible's get_url refuse the asset unless its SHA-256 is the one in the vendor's file, then installs the binaries as root's in /usr/local/bin, pinned by sql_exporter_version.

A service account, a hardened unit, a loopback listener. sql_exporter is a system user with no shell that owns the data directory and nothing else; the unit runs with NoNewPrivileges, PrivateTmp, ProtectHome and ProtectSystem=strict. The listener is 127.0.0.1:9399 by default, for a proxy that authenticates or a client on the same host; the live test reads the listening sockets and expects loopback only.

Proven by a query whose answer moved. The live test reads a 500 with No metrics gathered while no database answers (the exporter never invents a value), installs PostgreSQL 16 as a fixture, creates the exporter's role and the lane table, reads lane_rows_total 0, inserts three rows and reads lane_rows_total 3. sql_exporter -config.check runs on every render, so a collector that names an unknown metric or a target that names an unknown collector is refused before the service sees it. On a real host set sql_exporter_data_source_name (PostgreSQL, MySQL, MSSQL, ClickHouse and SQLite are among the drivers built in) and replace sql_exporter_collectors with your queries.

License

Commercial - IaC Bazaar EULA. (c) IaC Bazaar.

Usage code & full reference need an account

The complete copy-paste usage, the full input/output reference, and operational notes are free with an account - shown here and bundled in the download. Sign in and this section fills in.

  • Variables
  • Test

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