Taint masters with PreferNoSchedule

Workaround for platform9/ssh-provider#63
platform9 · Feb 23, 2019 · bb5f5c4 · bb5f5c4
1 parent 1b526f8
commit bb5f5c4
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diff --git a/cmd/machine.go b/cmd/machine.go
@@ -328,6 +328,15 @@ func newProvisionedMachineAndMachine(name string, role clustercommon.MachineRole
 		Status: clusterv1.MachineStatus{},
 	}
 
+	if role == clustercommon.MasterRole {
+		newMachine.Spec.Taints = []corev1.Taint{
+			{
+				Key:    common.LabelNodeRoleMaster,
+				Effect: corev1.TaintEffectPreferNoSchedule,
+			},
+		}
+	}
+
 	machineProviderSpec := spv1.MachineSpec{
 		TypeMeta: metav1.TypeMeta{
 			APIVersion: "sshprovider.platform9.com/v1alpha1",

diff --git a/common/constants.go b/common/constants.go
@@ -67,6 +67,8 @@ Machine IP             Creation Timestamp                      Role
 {{ range $machine := .}}{{ $machine.ObjectMeta.Name }}           {{ $machine.ObjectMeta.CreationTimestamp }}           {{ $machine.Spec.Roles }}
 {{ end }}
 `
+	// LabelNodeRoleMaster specifies that a node is a master
+	LabelNodeRoleMaster = "node-role.kubernetes.io/master"
 )
 
 var (