Taint masters with PreferNoSchedule

Workaround for platform9/ssh-provider#63
platform9 · Jan 24, 2019 · a742c33 · a742c33
1 parent 401d28d
commit a742c33
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/cmd/machine.go b/cmd/machine.go
@@ -300,8 +300,13 @@ func newProvisionedMachineAndMachine(name string, role clustercommon.MachineRole
 			CreationTimestamp: metav1.Now(),
 		},
 		Spec: clusterv1.MachineSpec{
-			Roles:  []clustercommon.MachineRole{role},
-			Taints: []corev1.Taint{},
+			Roles: []clustercommon.MachineRole{role},
+			Taints: []corev1.Taint{
+				{
+					Key:    common.LabelNodeRoleMaster,
+					Effect: corev1.TaintEffectPreferNoSchedule,
+				},
+			},
 		},
 		Status: clusterv1.MachineStatus{},
 	}

diff --git a/common/constants.go b/common/constants.go
@@ -66,6 +66,8 @@ 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 (