mirror of https://github.com/k3s-io/k3s
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package minion
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import (
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/health"
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"github.com/golang/glog"
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)
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type HealthyRegistry struct {
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delegate Registry
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client client.KubeletHealthChecker
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}
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func NewHealthyRegistry(delegate Registry, client client.KubeletHealthChecker) Registry {
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return &HealthyRegistry{
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delegate: delegate,
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client: client,
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}
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}
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func (r *HealthyRegistry) GetMinion(ctx api.Context, minionID string) (*api.Minion, error) {
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minion, err := r.delegate.GetMinion(ctx, minionID)
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if minion == nil {
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return nil, ErrDoesNotExist
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}
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if err != nil {
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return nil, err
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}
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status, err := r.client.HealthCheck(minionID)
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if err != nil {
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return nil, err
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}
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if status == health.Unhealthy {
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return nil, ErrNotHealty
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}
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return minion, nil
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}
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func (r *HealthyRegistry) DeleteMinion(ctx api.Context, minionID string) error {
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return r.delegate.DeleteMinion(ctx, minionID)
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}
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func (r *HealthyRegistry) CreateMinion(ctx api.Context, minion *api.Minion) error {
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return r.delegate.CreateMinion(ctx, minion)
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}
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func (r *HealthyRegistry) UpdateMinion(ctx api.Context, minion *api.Minion) error {
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return r.delegate.UpdateMinion(ctx, minion)
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}
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func (r *HealthyRegistry) ListMinions(ctx api.Context) (currentMinions *api.MinionList, err error) {
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result := &api.MinionList{}
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list, err := r.delegate.ListMinions(ctx)
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if err != nil {
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return result, err
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}
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for _, minion := range list.Items {
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status, err := r.client.HealthCheck(minion.Name)
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if err != nil {
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glog.V(1).Infof("%#v failed health check with error: %v", minion, err)
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continue
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}
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if status == health.Healthy {
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result.Items = append(result.Items, minion)
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} else {
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glog.Errorf("%#v failed a health check, ignoring.", minion)
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}
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}
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return result, nil
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}
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