/
node.go
58 lines (50 loc) · 1.61 KB
/
node.go
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// Copyright © 2017 The virtual-kubelet authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package root
import (
"github.com/virtual-kubelet/virtual-kubelet/errdefs"
corev1 "k8s.io/api/core/v1"
)
// getTaint creates a taint using the provided key/value.
// Taint effect is read from the environment
// The taint key/value may be overwritten by the environment.
func getTaint(c Opts) (*corev1.Taint, error) {
value := c.Provider
key := c.TaintKey
if key == "" {
key = DefaultTaintKey
}
if c.TaintEffect == "" {
c.TaintEffect = DefaultTaintEffect
}
key = getEnv("VKUBELET_TAINT_KEY", key)
value = getEnv("VKUBELET_TAINT_VALUE", value)
effectEnv := getEnv("VKUBELET_TAINT_EFFECT", c.TaintEffect)
var effect corev1.TaintEffect
switch effectEnv {
case "NoSchedule":
effect = corev1.TaintEffectNoSchedule
case "NoExecute":
effect = corev1.TaintEffectNoExecute
case "PreferNoSchedule":
effect = corev1.TaintEffectPreferNoSchedule
default:
return nil, errdefs.InvalidInputf("taint effect %q is not supported", effectEnv)
}
return &corev1.Taint{
Key: key,
Value: value,
Effect: effect,
}, nil
}