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:

• Cardano-node 8.7.3 is now generally deployed to all testnet and mainnet environments managed by coretech SRE

• Dbsync and node stack process-compose jobs are now available from cardano-parts for users running nix >= 2.17.0 and nix experimental-features = nix-command flakes fetch-closure

• These can be run with:

   nix run github:input-output-hk/cardano-parts#run-process-compose-node-stack
   nix run github:input-output-hk/cardano-parts#run-process-compose-dbsync-$NETWORK

• For more details, see the merged cardano-parts process-compose PR

Lower level summary

Cardano-monitoring

• Adds code documentation and some nix refactoring: cardano-monitoring-pull-1

Cardano-mainnet

• Adds a readme, switches to nonmoving gc for producers, plus misc improvements from cardano-parts: cardano-mainnet-pull-6

Cardano-ops

• Merged a long standing branch converting legacy mainnet relays to p2p, node -> 8.7.2, db-sync snapshots -> 13.1.1.3, and other improvements: cardano-ops-pull-417

Cardano-parts

• Adds a readme, provides misc improvements, service optimizations, alert tuning, sql pool performance analysis fix, package updates: cardano-parts-pull-27
• Adds process-compose dbsync and node stacks: cardano-parts-pull-28

Cardano-playground

• Updates the readme, adds mainnet missedSlot testing, rotates KES on 4 networks, plus misc improvements from cardano-parts: cardano-playground-pull-13
• Adds process-compose dbsync and node stacks from cardano-parts flakeModule: cardano-playground-pull-14

Upstream Contributions

• Contributions to upstream process-compose related repos were made in order to complete the process-compose dbsync and node stacks in cardano-parts, including the following:

Process-compose-flake

• Adds apiServer process-compose cli option: process-compose-flake-pull-54
• Add a pre- and post- hook for the process-compose wrapper: process-compose-flake-pull-56

Services-flake

• Adds socketDir option for postgres service: services-flake-pull-77
• Ensure socketDir mktemp init succeeds for postgres service: services-flake-pull-81