Files
kubesphere/pkg/kapis/monitoring/v1alpha3/handler.go
Zhengyi Lai e26f70d0ca Execute go imports to format files
Signed-off-by: Zhengyi Lai <zheng1@kubesphere.io>
2021-06-27 20:37:51 +08:00

305 lines
8.4 KiB
Go

/*
Copyright 2019 The KubeSphere 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 v1alpha3
import (
"errors"
"regexp"
"strings"
restful "github.com/emicklei/go-restful"
"k8s.io/klog"
openpitrixoptions "kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
"kubesphere.io/kubesphere/pkg/simple/client/s3"
"kubesphere.io/kubesphere/pkg/client/clientset/versioned"
"kubesphere.io/kubesphere/pkg/models/openpitrix"
"k8s.io/client-go/kubernetes"
"kubesphere.io/kubesphere/pkg/api"
"kubesphere.io/kubesphere/pkg/informers"
model "kubesphere.io/kubesphere/pkg/models/monitoring"
resourcev1alpha3 "kubesphere.io/kubesphere/pkg/models/resources/v1alpha3/resource"
meteringclient "kubesphere.io/kubesphere/pkg/simple/client/metering"
"kubesphere.io/kubesphere/pkg/simple/client/monitoring"
)
type handler struct {
k kubernetes.Interface
mo model.MonitoringOperator
opRelease openpitrix.ReleaseInterface
meteringOptions *meteringclient.Options
}
func NewHandler(k kubernetes.Interface, monitoringClient monitoring.Interface, metricsClient monitoring.Interface, f informers.InformerFactory, ksClient versioned.Interface, resourceGetter *resourcev1alpha3.ResourceGetter, meteringOptions *meteringclient.Options, opOptions *openpitrixoptions.Options) *handler {
var opRelease openpitrix.Interface
var s3Client s3.Interface
if opOptions != nil && opOptions.S3Options != nil && len(opOptions.S3Options.Endpoint) != 0 {
var err error
s3Client, err = s3.NewS3Client(opOptions.S3Options)
if err != nil {
klog.Errorf("failed to connect to storage, please check storage service status, error: %v", err)
}
}
if ksClient != nil {
opRelease = openpitrix.NewOpenpitrixOperator(f, ksClient, s3Client)
}
if meteringOptions == nil || meteringOptions.RetentionDay == "" {
meteringOptions = &meteringclient.DefaultMeteringOption
}
return &handler{
k: k,
mo: model.NewMonitoringOperator(monitoringClient, metricsClient, k, f, resourceGetter, opRelease),
opRelease: opRelease,
meteringOptions: meteringOptions,
}
}
func (h handler) handleKubeSphereMetricsQuery(req *restful.Request, resp *restful.Response) {
res := h.mo.GetKubeSphereStats()
resp.WriteAsJson(res)
}
func (h handler) handleClusterMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelCluster)
if err != nil {
api.HandleBadRequest(resp, nil, err)
return
}
h.handleNamedMetricsQuery(resp, opt)
}
func (h handler) handleNodeMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelNode)
if err != nil {
api.HandleBadRequest(resp, nil, err)
return
}
h.handleNamedMetricsQuery(resp, opt)
}
func (h handler) handleWorkspaceMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelWorkspace)
if err != nil {
api.HandleBadRequest(resp, nil, err)
return
}
if req.QueryParameter("type") == "statistics" {
res := h.mo.GetWorkspaceStats(params.workspaceName)
resp.WriteAsJson(res)
} else {
h.handleNamedMetricsQuery(resp, opt)
}
}
func (h handler) handleNamespaceMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelNamespace)
if err != nil {
if err.Error() == ErrNoHit {
res := handleNoHit(opt.namedMetrics)
resp.WriteAsJson(res)
return
}
api.HandleBadRequest(resp, nil, err)
return
}
h.handleNamedMetricsQuery(resp, opt)
}
func (h handler) handleWorkloadMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelWorkload)
if err != nil {
if err.Error() == ErrNoHit {
res := handleNoHit(opt.namedMetrics)
resp.WriteAsJson(res)
return
}
api.HandleBadRequest(resp, nil, err)
return
}
h.handleNamedMetricsQuery(resp, opt)
}
func (h handler) handlePodMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelPod)
if err != nil {
if err.Error() == ErrNoHit {
res := handleNoHit(opt.namedMetrics)
resp.WriteAsJson(res)
return
}
api.HandleBadRequest(resp, nil, err)
return
}
h.handleNamedMetricsQuery(resp, opt)
}
func (h handler) handleContainerMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelContainer)
if err != nil {
if err.Error() == ErrNoHit {
res := handleNoHit(opt.namedMetrics)
resp.WriteAsJson(res)
return
}
api.HandleBadRequest(resp, nil, err)
return
}
h.handleNamedMetricsQuery(resp, opt)
}
func (h handler) handlePVCMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelPVC)
if err != nil {
if err.Error() == ErrNoHit {
res := handleNoHit(opt.namedMetrics)
resp.WriteAsJson(res)
return
}
api.HandleBadRequest(resp, nil, err)
return
}
h.handleNamedMetricsQuery(resp, opt)
}
func (h handler) handleComponentMetricsQuery(req *restful.Request, resp *restful.Response) {
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, monitoring.LevelComponent)
if err != nil {
api.HandleBadRequest(resp, nil, err)
return
}
h.handleNamedMetricsQuery(resp, opt)
}
func handleNoHit(namedMetrics []string) model.Metrics {
var res model.Metrics
for _, metic := range namedMetrics {
res.Results = append(res.Results, monitoring.Metric{
MetricName: metic,
MetricData: monitoring.MetricData{},
})
}
return res
}
func (h handler) handleNamedMetricsQuery(resp *restful.Response, q queryOptions) {
var res model.Metrics
var metrics []string
for _, metric := range q.namedMetrics {
if strings.HasPrefix(metric, model.MetricMeterPrefix) {
// skip meter metric
continue
}
ok, _ := regexp.MatchString(q.metricFilter, metric)
if ok {
metrics = append(metrics, metric)
}
}
if len(metrics) == 0 {
resp.WriteAsJson(res)
return
}
if q.isRangeQuery() {
res = h.mo.GetNamedMetricsOverTime(metrics, q.start, q.end, q.step, q.option)
} else {
res = h.mo.GetNamedMetrics(metrics, q.time, q.option)
if q.shouldSort() {
res = *res.Sort(q.target, q.order, q.identifier).Page(q.page, q.limit)
}
}
resp.WriteAsJson(res)
}
func (h handler) handleMetadataQuery(req *restful.Request, resp *restful.Response) {
res := h.mo.GetMetadata(req.PathParameter("namespace"))
resp.WriteAsJson(res)
}
func (h handler) handleMetricLabelSetQuery(req *restful.Request, resp *restful.Response) {
var res model.MetricLabelSet
params := parseRequestParams(req)
if params.metric == "" || params.start == "" || params.end == "" {
api.HandleBadRequest(resp, nil, errors.New("required fields are missing: [metric, start, end]"))
return
}
opt, err := h.makeQueryOptions(params, 0)
if err != nil {
if err.Error() == ErrNoHit {
resp.WriteAsJson(res)
return
}
api.HandleBadRequest(resp, nil, err)
return
}
res = h.mo.GetMetricLabelSet(params.metric, params.namespaceName, opt.start, opt.end)
resp.WriteAsJson(res)
}
func (h handler) handleAdhocQuery(req *restful.Request, resp *restful.Response) {
var res monitoring.Metric
params := parseRequestParams(req)
opt, err := h.makeQueryOptions(params, 0)
if err != nil {
if err.Error() == ErrNoHit {
resp.WriteAsJson(res)
return
}
api.HandleBadRequest(resp, nil, err)
return
}
if opt.isRangeQuery() {
res, err = h.mo.GetMetricOverTime(params.expression, params.namespaceName, opt.start, opt.end, opt.step)
} else {
res, err = h.mo.GetMetric(params.expression, params.namespaceName, opt.time)
}
if err != nil {
api.HandleBadRequest(resp, nil, err)
} else {
resp.WriteAsJson(res)
}
}