Handle no longer available /opt/cni/bin folder on k3s host machines

action.yml

@@ -154,6 +154,10 @@ runs:
     #
     # ref: https://rancher.com/docs/k3s/latest/en/installation/network-options/
     #
+    # With k3s 1.29 of recent versions, and calico v3.27.3, we have added
+    # DirectoryOrCreate to the hostPath volume to avoid
+    # https://github.com/jupyterhub/action-k3s-helm/issues/112.
+    #
     - name: Setup calico
       run: |
         echo "::group::Setup calico"
@@ -163,6 +167,8 @@ runs:
             "container_settings": {\
               "allow_ip_forwarding": true\
             },' \
+          | sed '/path: \/opt\/cni\/bin/a\
+                    type: DirectoryOrCreate' \
           | kubectl apply -f -
         echo "::endgroup::"
       shell: bash