104 lines
2.9 KiB
Go
104 lines
2.9 KiB
Go
// Copyright © 2017 The virtual-kubelet authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package root
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import (
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"context"
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"strings"
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"github.com/virtual-kubelet/virtual-kubelet/errdefs"
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"github.com/virtual-kubelet/virtual-kubelet/providers"
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corev1 "k8s.io/api/core/v1"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// NodeFromProvider builds a kubernetes node object from a provider
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// This is a temporary solution until node stuff actually split off from the provider interface itself.
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func NodeFromProvider(ctx context.Context, name string, taint *v1.Taint, p providers.Provider, version string) *v1.Node {
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taints := make([]v1.Taint, 0)
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if taint != nil {
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taints = append(taints, *taint)
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}
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node := &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Labels: map[string]string{
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"type": "virtual-kubelet",
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"kubernetes.io/role": "agent",
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"beta.kubernetes.io/os": strings.ToLower(p.OperatingSystem()),
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"kubernetes.io/hostname": name,
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"alpha.service-controller.kubernetes.io/exclude-balancer": "true",
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},
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},
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Spec: v1.NodeSpec{
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Taints: taints,
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},
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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OperatingSystem: p.OperatingSystem(),
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Architecture: "amd64",
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KubeletVersion: version,
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},
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Capacity: p.Capacity(ctx),
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Allocatable: p.Capacity(ctx),
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Conditions: p.NodeConditions(ctx),
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Addresses: p.NodeAddresses(ctx),
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DaemonEndpoints: *p.NodeDaemonEndpoints(ctx),
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},
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}
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return node
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}
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// getTaint creates a taint using the provided key/value.
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// Taint effect is read from the environment
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// The taint key/value may be overwritten by the environment.
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func getTaint(c Opts) (*corev1.Taint, error) {
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value := c.Provider
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key := c.TaintKey
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if key == "" {
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key = DefaultTaintKey
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}
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if c.TaintEffect == "" {
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c.TaintEffect = DefaultTaintEffect
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}
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key = getEnv("VKUBELET_TAINT_KEY", key)
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value = getEnv("VKUBELET_TAINT_VALUE", value)
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effectEnv := getEnv("VKUBELET_TAINT_EFFECT", string(c.TaintEffect))
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var effect corev1.TaintEffect
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switch effectEnv {
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case "NoSchedule":
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effect = corev1.TaintEffectNoSchedule
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case "NoExecute":
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effect = corev1.TaintEffectNoExecute
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case "PreferNoSchedule":
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effect = corev1.TaintEffectPreferNoSchedule
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default:
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return nil, errdefs.InvalidInputf("taint effect %q is not supported", effectEnv)
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}
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return &corev1.Taint{
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Key: key,
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Value: value,
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Effect: effect,
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}, nil
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}
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