Files
kubevela/references/cli/top/model/pod.go

137 lines
3.9 KiB
Go

/*
Copyright 2022 The KubeVela 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 model
import (
"context"
"fmt"
"strconv"
"time"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/rest"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/oam-dev/kubevela/pkg/velaql/providers/query"
"github.com/oam-dev/kubevela/references/cli/top/utils"
)
// Pod represent the k8s pod resource instance
type Pod struct {
Name string
Namespace string
Cluster string
Ready string
Status string
CPU string
Mem string
CPUR string
CPUL string
MemR string
MemL string
IP string
NodeName string
Age string
}
// PodList is pod list
type PodList []Pod
// ListPods return pod list of component
func ListPods(ctx context.Context, cfg *rest.Config, c client.Client) (PodList, error) {
appName := ctx.Value(&CtxKeyAppName).(string)
appNamespace := ctx.Value(&CtxKeyNamespace).(string)
compCluster := ctx.Value(&CtxKeyCluster).(string)
compNamespace := ctx.Value(&CtxKeyClusterNamespace).(string)
compName := ctx.Value(&CtxKeyComponentName).(string)
opt := query.Option{
Name: appName,
Namespace: appNamespace,
Filter: query.FilterOption{
Cluster: compCluster,
ClusterNamespace: compNamespace,
Components: []string{compName},
APIVersion: "v1",
Kind: "Pod",
},
WithTree: true,
}
resource, err := collectResource(ctx, c, opt)
if err != nil {
return PodList{}, err
}
list := make(PodList, len(resource))
for index, object := range resource {
pod := &v1.Pod{}
err = runtime.DefaultUnstructuredConverter.FromUnstructured(object.UnstructuredContent(), pod)
if err != nil {
continue
}
list[index] = LoadPodDetail(cfg, pod, compCluster)
}
return list, nil
}
// LoadPodDetail gather the pod detail info
func LoadPodDetail(cfg *rest.Config, pod *v1.Pod, componentCluster string) Pod {
podInfo := Pod{
Name: pod.Name,
Namespace: pod.Namespace,
Cluster: componentCluster,
Ready: readyContainerNum(pod),
Status: string(pod.Status.Phase),
Age: utils.TimeFormat(time.Since(pod.CreationTimestamp.Time)),
IP: pod.Status.PodIP,
NodeName: pod.Spec.NodeName,
}
metric, err := utils.PodMetric(cfg, pod.Name, pod.Namespace)
if err != nil {
podInfo.CPU, podInfo.Mem, podInfo.CPUL, podInfo.MemL, podInfo.CPUR, podInfo.MemR = utils.NA, utils.NA, utils.NA, utils.NA, utils.NA, utils.NA
} else {
c, r := utils.GatherPodMX(pod, metric)
podInfo.CPU, podInfo.Mem = strconv.FormatInt(c.CPU, 10), strconv.FormatInt(c.Mem/1000000, 10)
podInfo.CPUR = utils.ToPercentageStr(c.CPU, r.CPU)
podInfo.MemR = utils.ToPercentageStr(c.Mem, r.Mem)
podInfo.CPUL = utils.ToPercentageStr(c.CPU, r.Lcpu)
podInfo.MemL = utils.ToPercentageStr(c.CPU, r.Lmem)
}
return podInfo
}
func readyContainerNum(pod *v1.Pod) string {
total := len(pod.Status.ContainerStatuses)
ready := 0
for _, c := range pod.Status.ContainerStatuses {
if c.Ready {
ready++
}
}
return fmt.Sprintf("%d/%d", ready, total)
}
// ToTableBody generate body of table in pod view
func (l PodList) ToTableBody() [][]string {
data := make([][]string, len(l))
for index, pod := range l {
data[index] = []string{pod.Name, pod.Namespace, pod.Cluster, pod.Ready, pod.Status, pod.CPU, pod.Mem, pod.CPUR, pod.MemR, pod.CPUL, pod.MemL, pod.IP, pod.NodeName, pod.Age}
}
return data
}