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| 1 | +// Copyright 2015 Google Inc. All Rights Reserved. |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +package event |
| 16 | + |
| 17 | +import ( |
| 18 | + "github.com/kubernetes/dashboard/resource/common" |
| 19 | + "k8s.io/kubernetes/pkg/api" |
| 20 | + client "k8s.io/kubernetes/pkg/client/unversioned" |
| 21 | + "k8s.io/kubernetes/pkg/fields" |
| 22 | + "k8s.io/kubernetes/pkg/labels" |
| 23 | +) |
| 24 | + |
| 25 | +// GetEvents gets events associated to resource with given name. |
| 26 | +func GetEvents(client client.EventNamespacer, namespace, resourceName string) ([]api.Event, error) { |
| 27 | + |
| 28 | + fieldSelector, err := fields.ParseSelector("involvedObject.name=" + resourceName) |
| 29 | + |
| 30 | + if err != nil { |
| 31 | + return nil, err |
| 32 | + } |
| 33 | + |
| 34 | + channels := &common.ResourceChannels{ |
| 35 | + EventList: common.GetNamespacedEventListChannel(client, 1, namespace, |
| 36 | + api.ListOptions{ |
| 37 | + LabelSelector: labels.Everything(), |
| 38 | + FieldSelector: fieldSelector, |
| 39 | + }), |
| 40 | + } |
| 41 | + |
| 42 | + eventList := <-channels.EventList.List |
| 43 | + if err := <-channels.EventList.Error; err != nil { |
| 44 | + return nil, err |
| 45 | + } |
| 46 | + |
| 47 | + return eventList.Items, nil |
| 48 | +} |
| 49 | + |
| 50 | +// GetPodsEvents gets pods events associated to resource targeted by given resource selector. |
| 51 | +func GetPodsEvents(client client.Interface, namespace string, resourceSelector map[string]string) ( |
| 52 | + []api.Event, error) { |
| 53 | + |
| 54 | + channels := &common.ResourceChannels{ |
| 55 | + PodList: common.GetNamespacedPodListChannel(client, 1, namespace, api.ListOptions{ |
| 56 | + LabelSelector: labels.SelectorFromSet(resourceSelector), |
| 57 | + FieldSelector: fields.Everything(), |
| 58 | + }), |
| 59 | + EventList: common.GetEventListChannel(client, 1), |
| 60 | + } |
| 61 | + |
| 62 | + podList := <-channels.PodList.List |
| 63 | + if err := <-channels.PodList.Error; err != nil { |
| 64 | + return nil, err |
| 65 | + } |
| 66 | + |
| 67 | + eventList := <-channels.EventList.List |
| 68 | + if err := <-channels.EventList.Error; err != nil { |
| 69 | + return nil, err |
| 70 | + } |
| 71 | + |
| 72 | + events := FilterEventsByPodsUID(eventList.Items, podList.Items) |
| 73 | + |
| 74 | + return events, nil |
| 75 | +} |
| 76 | + |
| 77 | +// AppendEvents appends events from source slice to target events representation. |
| 78 | +func AppendEvents(source []api.Event, target common.EventList) common.EventList { |
| 79 | + for _, event := range source { |
| 80 | + target.Events = append(target.Events, common.Event{ |
| 81 | + Message: event.Message, |
| 82 | + SourceComponent: event.Source.Component, |
| 83 | + SourceHost: event.Source.Host, |
| 84 | + SubObject: event.InvolvedObject.FieldPath, |
| 85 | + Count: event.Count, |
| 86 | + FirstSeen: event.FirstTimestamp, |
| 87 | + LastSeen: event.LastTimestamp, |
| 88 | + Reason: event.Reason, |
| 89 | + Type: event.Type, |
| 90 | + }) |
| 91 | + } |
| 92 | + return target |
| 93 | +} |
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