SRE Team Update

High level summary

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

Some notable recent changes, updates or improvements include:

• Sanchonet was respun to cardano-node 8.7.0-pre, and upgraded to cardano-node 8.7.1-pre shortly afterwards
• Cardano-node 8.7.2 was released and all environments were then upgraded to 8.7.2
• Cardano-parts deployed machines were upgraded to nixpkgs 23.11 and nix 2.19.3
• Cardano-parts resource deployed environments were switched from the use of Terraform to OpenTofu

Lower level summary

Capkgs

• Updated for cardano-node 8.7.2 and process-compose packages: capkgs-compare

Cardano-parts

• Update scripts for 8.6.0-pre: cardano-parts-pull-21
• Sanchonet respin with additional lib refactor and postgres prepared statement update: cardano-parts-pull-22
• Nixpkgs 23.11 update with migration from Terraform to OpenTofu: cardano-parts-pull-23
• Node 8.7.2 release update and process-compose flakeModule addition: cardano-parts-pull-24

Cardano-ops

• Mainnet high load relays were updated to cardano-node 8.7.2 cardano-ops-compare

Cardano-playground

• Sancho respin plus related book updates and network debug reference code: cardano-playground-pull-7
• Nixpkgs 23.11 update with required module changes, lint updates and tofu utilization.: cardano-playground-pull-8
• Node 8.7.2 release and process-compose addition, misc fixes: cardano-playground-pull-9

Cardano-world

• Sanchonet update PR: cardano-world-pull-111
  • Merge the long running sanchonet-updated branch
  • Migrate explorers from ziti to wireguard tunnel usage
  • Remove remaining ziti code and provisioned resources
  • Retire remaining nomad jobs in preference of the cardano-playground environments
  • Downsize the cluster in preference of the cardano-playground environments

Iohk-nix

• Update mainnet p2p config: iohk-nix-pull-566
• Update mainnet default mempool tracing: iohk-nix-pull-567