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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-node 8.9.1 is now deployed to all environments.

  • The legacy IOG mainnet metadata server has been retired with CF now providing metadata server services going forward.

  • Cardano-parts PR#35, merged and linked below, offers ip information integration into nixosConfiguration modules as well as template-diff and template-patch recipes for easier upgrades going forward.

Lower level summary​

Capkgs​

  • Adds a shortRev suffix to package names, fixes an rclone recipe, fixes a CI push action, defaults to recursively dereferenced object hashes, cleans up reference patterns. See the PR description for more details: capkgs-pull-2

Cardano-mainnet​

  • Bumps to cardano-node 8.9.1 and deploys all machines, makes ip information available in nixosCfgs, adds new expected machine alerts, tunes snapshot alerts and implements all updates in cardano-parts PR#35. See the PR description for more details: cardano-mainnet-pull-10

Cardano-ops​

Cardano-parts​

  • Upgrades cardano-node to 8.9.1 for both release and pre-release, integrates machine ip information into nixosConfigurations, enables /etc/hosts file usage in cardano-node topology, enhances cardano-node topology producer generation with customizable address types, introduces template patching recipes for easier cardano-parts updates to existing clusters. Much more detail is available in the PR description: cardano-parts-pull-35

Cardano-playground​

  • Bumps to cardano-node 8.9.1 and deploys all envs, rotates KES keys in most envs, makes ip information available in nixosCfgs and implements all updates in cardano-parts PR#35. See the PR description for more details: cardano-playground-pull-18