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CHANGELOG.md

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jail_exporter

v0.12.0

  • Update to prometheus 0.8.0.
  • Remove FreeBSD 12.0 image from the test matrix, as it is EOL.
  • Update to users 0.10.0.

v0.11.0

  • Switch from failure crate to thiserror.
  • Minimum Rust version bumped to 1.39.0 as we use:
    • enum type aliases
    • async/await for actix-web 2.0
  • Added basic Grafana dashboard example.
  • Update to actix-web 2.0.
  • Update FreeBSD images used for CI testing.
  • Simplified template error handling.

v0.10.0

  • Update to prometheus 0.7.0.
  • Update to actix-web 1.0.8.
  • Update to jail 0.1.1.
  • Bump minimum version of Rust to 1.34.0 in README, due to actix-web update.
  • Add output.file-path argument which allows writing metrics to either a file or stdout.
  • Internals: Move CLI parsing functions to cli.rs.

v0.9.10

  • No code changes.
  • Added exporter_build_info metric to man page.
  • rc.d script is now a .in file, suitable for use in ports.
  • Fixes to rc.d script.
  • Tighten permissions on .pid file in rc.d script, matching permission of other daemons that run as root.

v0.9.9

  • No code changes.
  • Changes to Cargo.toml for publishing on crates.io.

v0.9.8

  • Added pretty-assertions for tests.
  • Use Cirrus CI to run cargo test on push.
  • Update prometheus crate to 0.6.0.
  • Move to using a local metrics registry, which makes testing much more reliable.
  • Implement local macros for registering metrics with local registry.
  • Simplify dead_jails method in Exporter and add test.
  • Add test for reap method in Exporter.
  • Add locking around environment tests to fix race conditions.
  • Improve CLI testing by passing our own argv in a few cases.
  • Use mime crate for ContentTypes in HTTP handlers.
  • Update jail to 0.1.0.

v0.9.7

  • Additional testing around CLI argument environment variables.
  • Additional testing around HTTP handling.
  • Minor style clean up.
  • Version bumps in Cargo.lock.
  • Fixing of some incorrect comments.
  • Updated to askama 0.8.
  • Updated to users 0.9.1.
  • Add testing for is_running_as_root() function.
  • Break out various parts of httpd module into sub-modules.
    • handlers: Route handlers used by the server.
    • templates: Renders templates used elsewhere.

v0.9.6

  • Improvements to error handling in lib.rs which should allow an "Internal Server Error" to be generated in httpd.rs the event of any issues.
  • Minor documentation improvements.
  • Simplify handling of bind_address in httpd module.
  • Noted in README.md that minimum version of Rust is now 1.32.
  • Add Cargo.lock to repository.

v0.9.5

  • Attempts at taking care of some clippy warnings.
  • Change templating library from handlebars to askama.
  • Move exporter into the AppState struct, removing the requirement for lazy_static in the release binaries.
  • Created a jail_exporter(8) man page.
  • Move some helper code out of main into their own functions.
  • Moved HTTP related code out to httpd module, simplifying main function.
  • jail_exporter::Metrics is now #[derive(Clone)]
  • Fixed a bug where Metrics would attempt initialization once per Actix Web thread.
  • Added Actix Web Logger middleware to HTTP server.
  • jail_exporter now attempts to ensure that it's running as root before starting.
  • Updated to version 0.5 of the prometheus crate.
  • Now using a builder pattern for the HTTP server instead of multiple arguments to a run function.
  • Added a validator for the web.telemetry-path setting.
  • Moved to using failure crate and removed explicit exit calls on error conditions by using Result return on main function.

v0.9.0

  • Implemented landing page at HTTP web root which simply links to the --web.telemetry-path. This makes viewing exporter output from a browser a slightly more friendly experience.
  • Declare #![forbid(unsafe_code)] as we aren't implementing any unsafe blocks directly.
  • Update to env_logger 0.6 and lazy_static 1.2.

v0.8.0

  • Added CHANGELOG.md
  • Updated to Rust 1.31 and 2018 edition.
  • Added FreeBSD rc.d script.
  • Switched from warp to actix-web for HTTP related functions.
  • Update to jail 0.0.6 and rctl 0.0.5.
  • Deal with errors if HTTP server can't bind to address.
  • Simplify metrics HTTP response handler.
  • Provided more metadata in Cargo.toml.