SRE Team Update

High level summary

The SRE team continues work on CI and cardano environment improvements. Some notable recent improvements include: expanding the darwin CI cluster and providing new aarch64 builder support; adding bare metal bitte cluster capability with network overlay for high IOPS workload performance, such as explorer.

Lower level summary

Bitte

• Equinix bare metal capability was added to bitte: bitte-pull-194
• Update bitte nixpkgs, nix version, nomad driver, equinix lifecycle, misc bug fixes: bitte-pull-201

Bitte-cells

• Improvements made for patroni cluster recovery of large databases: bitte-cells-branch

Cardano-graphql

• Update cardano-graphql and nixos service: cardano-graphql-pull-815

Cardano-node

• Update cardano-node to use the updated iohk-nix environments: cardano-node-pull-5241

Cardano-ops

• Update cardano-graphql, adds monitoring improvements and misc bug fixes: cardano-ops-pull-411
• Work in progress on mixed legacy and p2p topology clusters in cardano-ops: cardano-ops-branch

Cardano-world

• Add a declarative cardano-faucet dashboard: cardano-world-commit
• Remove a requirement for root user in Nomad docker images: cardano-world-pull-68
• Enable explorer in cardano-world for high IOPS metal access: cardano-world-pull-69
• Migrate explorer cluster to cardano-world: cardano-world-pull-75
• Migrate testnet metadata server to cardano-world, cleanup envs: cardano-world-pull-77
• Add a faucet restore delegation script to cardano-world for non-functioning delegated pools: cardano-world-pull-79
• Integrate node 8.x into cardano-world: cardano-world-pull-84
• Update cardano-world to use iohk-nix for node environments: cardano-world-pull-87
• Create a stakepool analysis query for cluster pool performance overview: cardano-world-commit
• Added an iptables fixup script for broken bridged networking nomad jobs: cardano-world-commit
• Improve cardano-world job automation with additional parameterization: cardano-world-pr-92
• Update preview network experimental config defaults: cardano-world-pr-93

Ci-ops

• Update legacy darwin builders and buildkite agent for ci-world network overlay and monitoring: ci-ops-pull-108

Ci-world

• Resolve ci-world linux buildkite agent cleanup bug: ci-world-commit
• Integrate new darwin builders into ci-world: ci-world-pull-22
• Migrate patroni HA db to it's own namespace in ci-world: ci-world-pull-24

Cicero

• Implement a cicero webhook backoff with exponential decay plus jitter: cicero-pull-79

Iohk-nix

• Update iohk-nix to be source of truth for node environments: iohk-nix-pull-534
• Update preview network experimental config defaults: iohk-nix-pull-544

Openziti

• Add darwin intel and arm support to ziti-edge-tunnel nix modules: openziti-bins-pull-1