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dashboard.go
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dashboard.go
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// Copyright 2022 The kubegems.io 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 observability
import (
"context"
"fmt"
"net/http"
"strconv"
prommodel "github.com/prometheus/common/model"
"kubegems.io/kubegems/pkg/i18n"
"kubegems.io/kubegems/pkg/service/handlers"
"kubegems.io/kubegems/pkg/service/models"
"kubegems.io/kubegems/pkg/utils/agents"
"github.com/gin-gonic/gin"
"github.com/pkg/errors"
)
// ListDashboard 监控dashboard列表
// @Tags Observability
// @Summary 监控dashboard列表
// @Description 监控dashboard列表
// @Accept json
// @Produce json
// @Param environment_id path string true "环境ID"
// @Success 200 {object} handlers.ResponseStruct{Data=[]models.MonitorDashboard} "监控dashboard列表"
// @Router /v1/observability/environment/{environment_id}/monitor/dashboard [get]
// @Security JWT
func (h *ObservabilityHandler) ListDashboard(c *gin.Context) {
ret := []models.MonitorDashboard{}
if err := h.GetDB().WithContext(c.Request.Context()).Find(&ret, "environment_id = ?", c.Param("environment_id")).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, ret)
}
// DashboardDetail 监控dashboard详情
// @Tags Observability
// @Summary 监控dashboard详情
// @Description 监控dashboard详情
// @Accept json
// @Produce json
// @Param environment_id path string true "环境ID"
// @Param dashboard_id path uint true "dashboard id"
// @Success 200 {object} handlers.ResponseStruct{Data=models.MonitorDashboard} "监控dashboard列表"
// @Router /v1/observability/environment/{environment_id}/monitor/dashboard/{dashboard_id} [get]
// @Security JWT
func (h *ObservabilityHandler) DashboardDetail(c *gin.Context) {
ret := models.MonitorDashboard{}
if err := h.GetDB().WithContext(c.Request.Context()).Find(&ret, "id = ?", c.Param("dashboard_id")).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, ret)
}
// DashboardDetail 监控dashboard panne指标查询
// @Tags Observability
// @Summary 监控dashboard panne指标查询
// @Description 监控dashboard panne指标查询
// @Accept json
// @Produce json
// @Param environment_id path string true "环境ID"
// @Param dashboard_id path uint true "dashboard id"
// @Param panel_id query uint true "panel id"
// @Param labelpairs query string false "标签键值对(value为空或者_all表示所有,支持正则), eg. labelpairs[host]=k8s-master&labelpairs[pod]=_all"
// @Param start query string false "开始时间,默认现在-30m"
// @Param end query string false "结束时间,默认现在"
// @Param step query int false "step, 单位秒,默认0"
// @Success 200 {object} handlers.ResponseStruct{Data=map[string]prommodel.Matrix} "pannel 查询结果"
// @Router /v1/observability/environment/{environment_id}/monitor/dashboard/{dashboard_id}/query [get]
// @Security JWT
func (h *ObservabilityHandler) DashboardQuery(c *gin.Context) {
querys, err := h.getMetricQuerysByDashboard(c)
if err != nil {
handlers.NotOK(c, err)
return
}
ret := map[string]prommodel.Matrix{}
for _, query := range querys {
if err := h.Execute(c.Request.Context(), query.Cluster, func(ctx context.Context, cli agents.Client) error {
if err := h.mutateMetricQueryReq(ctx, query); err != nil {
return err
}
result, err := cli.Extend().PrometheusQueryRange(ctx, query.Expr, query.Start, query.End, query.Step)
if err != nil {
return err
}
ret[query.TargetName] = result
return nil
}); err != nil {
handlers.NotOK(c, errors.Wrap(err, "query dashboard failed"))
return
}
}
handlers.OK(c, ret)
}
func (h *ObservabilityHandler) getMetricQuerysByDashboard(c *gin.Context) ([]*MetricQueryReq, error) {
dash := models.MonitorDashboard{}
queries := []*MetricQueryReq{}
if err := h.GetDB().WithContext(c.Request.Context()).Preload("Environment.Cluster").Find(&dash, "id = ?", c.Param("dashboard_id")).Error; err != nil {
return nil, err
}
panelID, err := strconv.Atoi(c.Query("panel_id"))
if err != nil {
return nil, errors.Wrap(err, "panel id not valid")
}
if panelID >= len(dash.Graphs) || panelID < 0 {
return nil, errors.Errorf("panel id %d out of range", panelID)
}
for _, target := range dash.Graphs[panelID].Targets {
queries = append(queries, &MetricQueryReq{
Cluster: dash.Environment.Cluster.ClusterName,
Namespace: dash.Environment.Namespace,
Start: c.Query("start"),
End: c.Query("end"),
Step: c.Query("step"),
Expr: target.Expr,
PromqlGenerator: target.PromqlGenerator,
TargetName: target.TargetName,
})
}
globalLabelPairs := c.QueryMap("labelpairs")
if len(globalLabelPairs) > 0 {
for _, query := range queries {
for k, v := range globalLabelPairs {
if query.PromqlGenerator.LabelPairs == nil {
query.PromqlGenerator.LabelPairs = make(map[string]string)
}
query.PromqlGenerator.LabelPairs[k] = v
}
}
}
return queries, nil
}
// CreateDashboard 创建监控dashboad
// @Tags Observability
// @Summary 创建监控dashboad
// @Description 创建监控dashboad
// @Accept json
// @Produce json
// @Param environment_id path string true "环境ID"
// @Success 200 {object} handlers.ResponseStruct{Data=string} "resp"
// @Router /v1/observability/environment/{environment_id}/monitor/dashboard [post]
// @Security JWT
func (h *ObservabilityHandler) CreateDashboard(c *gin.Context) {
req, err := h.getDashboardReq(c)
if err != nil {
handlers.NotOK(c, err)
return
}
action := i18n.Sprintf(context.TODO(), "create")
module := i18n.Sprintf(context.TODO(), "monitor dashboard")
h.SetAuditData(c, action, module, req.Name)
h.SetExtraAuditData(c, models.ResEnvironment, *req.EnvironmentID)
if err := h.GetDB().WithContext(c.Request.Context()).Save(req).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, "ok")
}
// UpdateDashboard 更新监控dashboad
// @Tags Observability
// @Summary 更新监控dashboad
// @Description 更新监控dashboad
// @Accept json
// @Produce json
// @Param environment_id path string true "环境ID"
// @Param dashboard_id path uint true "dashboard id"
// @Param from body models.MonitorDashboard true "dashboad配置"
// @Success 200 {object} handlers.ResponseStruct{Data=string} "resp"
// @Router /v1/observability/environment/{environment_id}/monitor/dashboard/{dashboard_id} [put]
// @Security JWT
func (h *ObservabilityHandler) UpdateDashboard(c *gin.Context) {
req, err := h.getDashboardReq(c)
if err != nil {
handlers.NotOK(c, err)
return
}
action := i18n.Sprintf(context.TODO(), "update")
module := i18n.Sprintf(context.TODO(), "monitor dashboard")
h.SetAuditData(c, action, module, req.Name)
h.SetExtraAuditData(c, models.ResEnvironment, *req.EnvironmentID)
if err := h.GetDB().WithContext(c.Request.Context()).Save(req).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, "ok")
}
// DeleteDashboard 删除监控dashboad
// @Tags Observability
// @Summary 删除监控dashboad
// @Description 删除监控dashboad
// @Accept json
// @Produce json
// @Param environment_id path string true "环境ID"
// @Param dashboard_id path uint true "dashboard id"
// @Success 200 {object} handlers.ResponseStruct{Data=string} "resp"
// @Router /v1/observability/environment/{environment_id}/monitor/dashboard/{dashboard_id} [delete]
// @Security JWT
func (h *ObservabilityHandler) DeleteDashboard(c *gin.Context) {
d := models.MonitorDashboard{}
if err := h.GetDB().WithContext(c.Request.Context()).First(&d, "id = ?", c.Param("dashboard_id")).Error; err != nil {
handlers.NotOK(c, err)
return
}
action := i18n.Sprintf(context.TODO(), "delete")
module := i18n.Sprintf(context.TODO(), "monitor dashboard")
h.SetAuditData(c, action, module, d.Name)
h.SetExtraAuditData(c, models.ResEnvironment, *d.EnvironmentID)
if err := h.GetDB().WithContext(c.Request.Context()).Delete(&d).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, "ok")
}
// ListDashboardTemplates 监控面板模板列表
// @Tags Observability
// @Summary 监控面板模板列表
// @Description 监控面板模板列表
// @Accept json
// @Produce json
// @Param page query int false "page"
// @Param size query int false "size"
// @Success 200 {object} handlers.ResponseStruct{Data=[]models.MonitorDashboardTpl} "resp"
// @Router /v1/observability/template/dashboard [get]
// @Security JWT
func (h *ObservabilityHandler) ListDashboardTemplates(c *gin.Context) {
tpls := []models.MonitorDashboardTpl{}
if err := h.GetDB().WithContext(c.Request.Context()).Find(&tpls).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, handlers.NewPageDataFromContext(c, tpls, nil, nil))
}
// GetDashboardTemplate 监控面板模板详情
// @Tags Observability
// @Summary 监控面板模板详情
// @Description 监控面板模板详情
// @Accept json
// @Produce json
// @Param name path string true "模板名"
// @Success 200 {object} handlers.ResponseStruct{Data=models.MonitorDashboardTpl} "resp"
// @Router /v1/observability/template/dashboard/{name} [get]
// @Security JWT
func (h *ObservabilityHandler) GetDashboardTemplate(c *gin.Context) {
tpl := models.MonitorDashboardTpl{Name: c.Param("name")}
if err := h.GetDB().WithContext(c.Request.Context()).First(&tpl).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, tpl)
}
// AddDashboardTemplates 导入监控面板模板
// @Tags Observability
// @Summary 导入监控面板模板
// @Description 导入监控面板模板
// @Accept json
// @Produce json
// @Param form body models.MonitorDashboardTpl true "模板内容"
// @Success 200 {object} handlers.ResponseStruct{Data=string} "resp"
// @Router /v1/observability/template/dashboard [post]
// @Security JWT
func (h *ObservabilityHandler) AddDashboardTemplates(c *gin.Context) {
tpl := models.MonitorDashboardTpl{}
if err := c.BindJSON(&tpl); err != nil {
handlers.NotOK(c, err)
return
}
action := i18n.Sprintf(context.TODO(), "import")
module := i18n.Sprintf(context.TODO(), "monitor dashboard template")
h.SetAuditData(c, action, module, tpl.Name)
tplGetter := h.GetDataBase().NewPromqlTplMapperFromDB().FindPromqlTpl
if err := models.CheckGraphs(tpl.Graphs, "", tplGetter); err != nil {
handlers.NotOK(c, err)
return
}
if err := h.GetDB().WithContext(c.Request.Context()).Create(&tpl).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, "ok")
}
// UpdateDashboardTemplates 更新监控面板模板
// @Tags Observability
// @Summary 更新监控面板模板
// @Description 更新监控面板模板
// @Accept json
// @Produce json
// @Param form body models.MonitorDashboardTpl true "模板内容"
// @Success 200 {object} handlers.ResponseStruct{Data=string} "resp"
// @Router /v1/observability/template/dashboard/{name} [put]
// @Security JWT
func (h *ObservabilityHandler) UpdateDashboardTemplates(c *gin.Context) {
tpl := models.MonitorDashboardTpl{}
if err := c.BindJSON(&tpl); err != nil {
handlers.NotOK(c, err)
return
}
h.SetAuditData(c, "更新", "监控面板模板", tpl.Name)
tplGetter := h.GetDataBase().NewPromqlTplMapperFromDB().FindPromqlTpl
if err := models.CheckGraphs(tpl.Graphs, "", tplGetter); err != nil {
handlers.NotOK(c, err)
return
}
if err := h.GetDB().WithContext(c.Request.Context()).Save(&tpl).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, "ok")
}
// DeleteDashboardTemplate 删除监控面板模板
// @Tags Observability
// @Summary 删除监控面板模板
// @Description 删除监控面板模板
// @Accept json
// @Produce json
// @Param name path string true "模板名"
// @Success 200 {object} handlers.ResponseStruct{Data=models.MonitorDashboardTpl} "resp"
// @Router /v1/observability/template/dashboard/{name} [delete]
// @Security JWT
func (h *ObservabilityHandler) DeleteDashboardTemplate(c *gin.Context) {
tpl := models.MonitorDashboardTpl{Name: c.Param("name")}
if err := h.GetDB().WithContext(c.Request.Context()).Delete(&tpl).Error; err != nil {
handlers.NotOK(c, err)
return
}
handlers.OK(c, "ok")
}
func (h *ObservabilityHandler) getDashboardReq(c *gin.Context) (*models.MonitorDashboard, error) {
req := models.MonitorDashboard{}
if err := c.BindJSON(&req); err != nil {
return nil, err
}
ctx := c.Request.Context()
if c.Request.Method == http.MethodPost && req.Template != "" {
tpl := models.MonitorDashboardTpl{Name: req.Template}
if err := h.GetDB().WithContext(ctx).First(&tpl).Error; err != nil {
return nil, errors.Wrapf(err, "get template: %s failed", req.Template)
}
req.Start = tpl.Start
req.End = tpl.End
req.Refresh = tpl.Refresh
req.Graphs = tpl.Graphs
}
envid, err := strconv.Atoi(c.Param("environment_id"))
if err != nil {
return nil, errors.Wrap(err, "environment_id")
}
uintid := uint(envid)
req.EnvironmentID = &uintid
u, exist := h.GetContextUser(c)
if !exist {
return nil, fmt.Errorf("not login")
}
req.Creator = u.GetUsername()
env := models.Environment{}
if err := h.GetDB().WithContext(ctx).First(&env, "id = ?", req.EnvironmentID).Error; err != nil {
return nil, err
}
// 默认查近30m
if req.Start == "" || req.End == "" {
req.Start = "now-30m"
req.End = "now"
}
if req.Refresh == "" {
req.Refresh = "30s"
}
if req.Step == "" {
req.Step = "30s"
}
tplGetter := h.GetDataBase().NewPromqlTplMapperFromDB().FindPromqlTpl
if err := models.CheckGraphs(req.Graphs, env.Namespace, tplGetter); err != nil {
return nil, err
}
return &req, nil
}