Merge "Fix cluster chart for single-node cluster"

diff --combined deploy/cluster/templates/kubeadmcontrolplane.yaml
index a05377f,37fdb0f..a17e95b
--- 1/deploy/cluster/templates/kubeadmcontrolplane.yaml
--- 2/deploy/cluster/templates/kubeadmcontrolplane.yaml
+++ b/deploy/cluster/templates/kubeadmcontrolplane.yaml
@@@ -22,9 -22,6 +22,9 @@@ spec
        nodeRegistration:
          kubeletExtraArgs:
            node-labels: metal3.io/uuid={{ "{{" }} ds.meta_data.uuid {{ "}}" }}
 +          cpu-manager-policy: static
 +          topology-manager-policy: best-effort
 +          kube-reserved: cpu=200m,memory=512Mi
          name: '{{ "{{" }} ds.meta_data.name {{ "}}" }}'
      preKubeadmCommands:
  {{- if .Values.networks }}
@@@ -56,6 -53,11 +56,11 @@@
      # ClusterResourceSet.  However instead of apply, replace must be
      # used to harden K8s.
      - /usr/local/bin/harden_k8s.sh
+ {{- if eq (int .Values.numWorkerMachines) 0 }}
+     # Allow scheduling Pods on the control plane when there are no
+     # workers.
+     - kubectl --kubeconfig=/etc/kubernetes/admin.conf taint nodes --all node-role.kubernetes.io/master-
+ {{- end }}
      # This must be done after kubeadm as the cabpk provider relies on
      # files in /var/run, which won't persist after a reboot
      - /usr/local/bin/set_kernel_cmdline.sh