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detail.go
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detail.go
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// Copyright 2017 The Kubernetes 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 job
import (
"github.com/kubernetes/dashboard/src/app/backend/api"
"github.com/kubernetes/dashboard/src/app/backend/errors"
metricapi "github.com/kubernetes/dashboard/src/app/backend/integration/metric/api"
"github.com/kubernetes/dashboard/src/app/backend/resource/common"
"github.com/kubernetes/dashboard/src/app/backend/resource/dataselect"
"github.com/kubernetes/dashboard/src/app/backend/resource/pod"
batch "k8s.io/api/batch/v1"
metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
k8sClient "k8s.io/client-go/kubernetes"
)
// JobDetail is a presentation layer view of Kubernetes Job resource. This means
// it is Job plus additional augmented data we can get from other sources
// (like services that target the same pods).
type JobDetail struct {
ObjectMeta api.ObjectMeta `json:"objectMeta"`
TypeMeta api.TypeMeta `json:"typeMeta"`
// Aggregate information about pods belonging to this Job.
PodInfo common.PodInfo `json:"podInfo"`
// Detailed information about Pods belonging to this Job.
PodList pod.PodList `json:"podList"`
// Container images of the Job.
ContainerImages []string `json:"containerImages"`
// Init container images of the Job.
InitContainerImages []string `json:"initContainerImages"`
// List of events related to this Job.
EventList common.EventList `json:"eventList"`
// Parallelism specifies the maximum desired number of pods the job should run at any given time.
Parallelism *int32 `json:"parallelism"`
// Completions specifies the desired number of successfully finished pods the job should be run with.
Completions *int32 `json:"completions"`
// List of non-critical errors, that occurred during resource retrieval.
Errors []error `json:"errors"`
}
// GetJobDetail gets job details.
func GetJobDetail(client k8sClient.Interface, metricClient metricapi.MetricClient, namespace, name string) (
*JobDetail, error) {
jobData, err := client.BatchV1().Jobs(namespace).Get(name, metaV1.GetOptions{})
if err != nil {
return nil, err
}
podList, err := GetJobPods(client, metricClient, dataselect.DefaultDataSelectWithMetrics, namespace, name)
nonCriticalErrors, criticalError := errors.HandleError(err)
if criticalError != nil {
return nil, criticalError
}
podInfo, err := getJobPodInfo(client, jobData)
nonCriticalErrors, criticalError = errors.AppendError(err, nonCriticalErrors)
if criticalError != nil {
return nil, criticalError
}
eventList, err := GetJobEvents(client, dataselect.DefaultDataSelect, jobData.Namespace, jobData.Name)
nonCriticalErrors, criticalError = errors.AppendError(err, nonCriticalErrors)
if criticalError != nil {
return nil, criticalError
}
job := toJobDetail(jobData, *eventList, *podList, *podInfo, nonCriticalErrors)
return &job, nil
}
func toJobDetail(job *batch.Job, eventList common.EventList, podList pod.PodList, podInfo common.PodInfo,
nonCriticalErrors []error) JobDetail {
return JobDetail{
ObjectMeta: api.NewObjectMeta(job.ObjectMeta),
TypeMeta: api.NewTypeMeta(api.ResourceKindJob),
ContainerImages: common.GetContainerImages(&job.Spec.Template.Spec),
InitContainerImages: common.GetInitContainerImages(&job.Spec.Template.Spec),
PodInfo: podInfo,
PodList: podList,
EventList: eventList,
Parallelism: job.Spec.Parallelism,
Completions: job.Spec.Completions,
Errors: nonCriticalErrors,
}
}