SRE update 2023-12-08

blog/2023-12-08-sre.md

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+---
+title: SRE Team Update
+slug: 2023-12-08-sre
+authors: johnalotoski
+tags: [sre]
+hide_table_of_contents: false
+---
+
+## 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](https://github.com/input-output-hk/cardano-node/releases/tag/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](https://opentofu.org/)
+
+## Lower level summary
+
+### Capkgs
+* Updated for cardano-node 8.7.2 and process-compose packages: [capkgs-compare](https://github.com/input-output-hk/capkgs/compare/3ce364f...7649113)
+
+### Cardano-parts
+* Update scripts for 8.6.0-pre: [cardano-parts-pull-21](https://github.com/input-output-hk/cardano-parts/pull/21)
+* Sanchonet respin with additional lib refactor and postgres prepared statement update: [cardano-parts-pull-22](https://github.com/input-output-hk/cardano-parts/pull/22)
+* Nixpkgs 23.11 update with migration from Terraform to OpenTofu: [cardano-parts-pull-23](https://github.com/input-output-hk/cardano-parts/pull/23)
+* Node 8.7.2 release update and process-compose flakeModule addition: [cardano-parts-pull-24](https://github.com/input-output-hk/cardano-parts/pull/24)
+
+### Cardano-ops
+* Mainnet high load relays were updated to cardano-node 8.7.2 [cardano-ops-compare](https://github.com/input-output-hk/cardano-ops/compare/739287a...a5432fc)
+
+### Cardano-playground
+* Sancho respin plus related book updates and network debug reference code: [cardano-playground-pull-7](https://github.com/input-output-hk/cardano-playground/pull/7)
+* Nixpkgs 23.11 update with required module changes, lint updates and tofu utilization.: [cardano-playground-pull-8](https://github.com/input-output-hk/cardano-playground/pull/8)
+* Node 8.7.2 release and process-compose addition, misc fixes: [cardano-playground-pull-9](https://github.com/input-output-hk/cardano-playground/pull/9)
+
+### Cardano-world
+* Sanchonet update PR: [cardano-world-pull-111](https://github.com/input-output-hk/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](https://github.com/input-output-hk/iohk-nix/pull/566)
+* Update mainnet default mempool tracing: [iohk-nix-pull-567](https://github.com/input-output-hk/iohk-nix/pull/567)