k3s - v1.21.9+k3s1

This release updates Kubernetes to v1.21.9, and fixes a number of issues.

For more details on what's new, see the Kubernetes release notes.

Known Issues:

• There is an issue that causes etcd only node to not able to join an existing cluster.

Changes since v1.21.8+k3s2:

• Update to Kubernetes v1.21.9 (#4994)
• Enable debug logging on all k3s subcommands with debug flag (#4932)
• K3s servers no longer attempt to manage cgroup membership when the (unsupported, hidden) --disable-agent flag is used. (#4926)
• Update etcd to v3.4.18-k3s1 (#4945)
• Add IPv6 NAT (#4982)
• Remove ip6table rules when cleaning up k3s (#4978)
• Adds the ability to compress etcd snapshots (#4866) (#4959)
• Update packaged components (#4966)
• Update local-path-provisioner to v0.0.21
• Update local-path-provisioner busybox helper to 1.34.1
• Update metrics-server to 0.5.2
• Update coredns to 1.8.6
• Update traefik to 2.5.6
• Update pause to 3.6

Embedded Component Versions

| Component | Version |
|---|---|
| Kubernetes | v1.21.9 |
| Kine | v0.6.5 |
| SQLite | 3.33.0 |
| Etcd | v3.4.18-k3s1 |
| Containerd | v1.4.12-k3s1 |
| Runc | v1.0.3 |
| Flannel | v0.15.1 |
| Metrics-server | v0.5.2 |
| Traefik | v2.5.6 |
| CoreDNS | v1.8.6 |
| Helm-controller | v0.10.8 |
| Local-path-provisioner | v0.0.21 |

Helpful Links

As always, we welcome and appreciate feedback from our community of users. Please feel free to:
- Open issues here
- Join our Slack channel
- Check out our documentation for guidance on how to get started or to dive deep into K3s.
- Read how you can contribute here