Add example config to deploy kubernetes via k3s

Signed-off-by: Jan Dubois <[email protected]>

Author: jandubois

examples/k3s.yaml

@@ -0,0 +1,42 @@
+# Deploy kubernetes via k3s (which installs a bundled containerd).
+#
+# It can be accessed from the host by exporting the kubeconfig file;
+# the ports are already forwarded automatically by lima:
+#
+# $ export KUBECONFIG=$PWD/kubeconfig.yaml
+# $ limactl shell k3s sudo cat /etc/rancher/k3s/k3s.yaml >$KUBECONFIG
+# $ kubectl get no
+# NAME       STATUS   ROLES                  AGE   VERSION
+# lima-k3s   Ready    control-plane,master   69s   v1.21.1+k3s1
+
+images:
+- location: "~/Downloads/hirsute-server-cloudimg-amd64.img"
+  arch: "x86_64"
+
+mounts: []
+
+ssh:
+  localPort: 60022
+
+containerd:
+  system: false
+  user: false
+
+provision:
+- mode: system
+  script: |
+    #!/bin/sh
+    curl -sfL https://get.k3s.io | sh -
+
+probes:
+- script: |
+    #!/bin/bash
+    set -eux -o pipefail
+    if ! timeout 30s bash -c "until test -f /etc/rancher/k3s/k3s.yaml; do sleep 3; done"; then
+            echo >&2 "k3s is not running yet"
+            exit 1
+    fi
+  hint: |
+    The k3s kubeconfig file has not yet been created.
+    Run "lima bash sudo journalctl -u k3s" to check the log.
+    If that is still empty, check the bottom of the log at "/var/log/cloud-init-output.log".