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SRE Team Update

· 2 min read
John Lotoski

High level summary​

The SRE team continues work on Cardano environment improvements and general maintenance.

Some notable recent changes, updates or improvements include:

  • Sanchonet was respun after a community scheduled test hardfork to PV11

  • Buildkite agent modules were added to cardano-playground

  • Adds a latest tag GHA action to cardano-node upon new release publication

Repository Work​

Cardano-parts​

  • Cardano-node has been updated to 10.1.4, cardano-cli and the -ng variant to 10.1.1.0 and 10.2.0.0 respectively, and mithril to v2450. Colmena has been updated to utilize a new pure flake evaluation approach. New nix jobs were added for a new "next-gen" network spin up method, which supports network creation with a fork directly to Conway and then retirement of the genesis bootstrap pool in favor of on-chain registered backbone pools. CI tests to support these new jobs were added. The recipe to query governance actions was updated with the latest voting calculations and the output was improved with color and additional reporting totals. A psql prepared statement for voting activity over time was added to the postgres module. Other small miscellaneous improvements and clean up were made with details available in the release notes: cardano-parts-release-v2025-01-17

Cardano-playground​

  • Cardano-node has been updated to 10.1.4, mithril to v2450 and all envs deployed. Buildkite modules were added to support fast buildkite agent scaling in any AWS region. Sanchonet was respun after a planned community hard fork test. The recipe to query governance actions was updated with the latest voting calculations. A new start-demo-ng recipe was added to utilize a new "next-gen" spin up method. More detail is available in the PR description: cardano-playground-pull-39

Cardano-mainnet​

  • Cardano-node has been updated to 10.1.4 and mithril to v2450 and all machines deployed. The mainnet canary dashboard was updated with a governance voting analysis panel. The recipe to query governance actions was updated with the latest voting calculations. More detail is available in the PR description: cardano-mainnet-pull-29

Cardano-node​

  • Adds GHA steps to push a latest tag for node and api containers on release events where the tag is the latest release. Updates the docker-compose to default to the latest tag and bumps iohk-nix for an updated target number of established peers. Fixes related configs to pass CI checks. cardano-node-pull-6057