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k3d v5.2.0 Release Notes

  • 🔋 Features & Enhancements

    • 👌 Improve image import performance (#826, @sbaier1)
      • New flag: k3d image import --mode [auto | direct | tools]
      • tools is the old default, which spawns a k3d-tools container for importing
      • auto is the new default to automatically detect which mode should work best
      • direct directly streams the images into the node containers without the k3d-tools container
    • ✨ Enhanced usability of nodefilters & error messages for wrong usage (#871)
    • 🆕 New command: k3d version list [k3s | k3d | k3d-proxy | k3d-tools] to get image tags that can be used with k3d (#870)
      • e.g. use k3d version list k3s --format repo to get the latest image available for K3s and use it via k3d cluster create --image <image>
      • Docs: [docs/usage/commands/k3d_version_list.md](./docs/usage/commands/k3d_version_list.md)

    🛠 Fixes

    • cluster network: reserve IP extra IP for k3d-tools container in k3d-managed IPAM to avoid conflicts
    • 🖨 process the SimpleConfig before validating it to avoid early exit in hostnetwork mode (#860)
    • 🛠 error out if K3D_FIX_DNS=1 is set and user tries to mount a file to /etc/resolv.conf (conflict)
    • clusterStart: only run actions which are necessary given the start reason (e.g. cluster start vs. cluster create)
    • 🛠 fix injection of host.k3d.internal based on resolving host.docker.internal (#872)
      • also now uses host.docker.internal in kubeconfig based on certain conditions (see PR)

    Misc

    • ✅ tests/e2e: parellelize and cleanup tests -> cut execution speed in half (#848 & #849)
      • also run some make targets in parallel
      • new env var E2E_PARALLEL=<int> to configure parallelism
      • test output is now redirected to files inside the runner and only the logs of failed tests will later be output
    • ⚡️ Update dependencies, including docker, containerd & k8s
    • 📄 docs: clarify usage of local registries with k3d
    • 📄 docs: fix port numbers in registry usage guide

    Notes

    • 🐳 k3d v5.x.x requires at least docker version 20.10.4