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SRE Team Update

· 2 min read
John Lotoski
John Lotoski
Service Reliability Engineer

High level summary​

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

Some notable recent changes, updates or improvements include:

  • Cardano-world testnets of preprod, preview, sanchonet and some private test chains are in the process of being migrated to the cardano-playground stack

Lower level summary​

Capkgs​

  • Adds offchain-metadata-tools, dbsync sanchonet updates: capkgs-compare

Cardano-parts​

  • General package updates, modules improvements and template recipes to support network migration from world to playground cardano-parts-pull-17
    • Bumps cardano-db-sync-ng to sancho-2-0-0 tag
    • Bumps iohk-nix-ng to mig-sancho branch for sanchonet pool migration from world to play
    • Adds more machine system bins and devShell bins for scripting and debug purposes
    • Adds cardano-show-kes-period alias on any node machine importing profile-cardano-node-group module
    • Adds profile-cardano-node-topology module for a simplified interface to most common topology needs
    • Adds a job-delegate-rewards-stake-key job as an optional follow on to pool creation and registration jobs
    • Adds a topology function to filter self from group machines with an allowList for matching infixes
    • Adds metadata-server and related offchain-metadata-tools bins from capkgs
    • Updates justfile template with:
      • a new query-all recipe for getting status of multiple concurrent running environments
      • a new set-default-cardano-env recipe for fast switching between environments
      • a new start-demo recipe for forking a custom env into conway
      • a new start-node recipe for generic environment start
      • a new stop-node recipe for generic environment stop
      • updated list-machines recipe for handling of empty nixos machine config and empty ssh_config conditions
      • updated query-tip recipe to a generic query tip compatible with each environment

Cardano-playground​