/
prometheus_service.go
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/
prometheus_service.go
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// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package service
import (
"github.com/goodrain/rainbond/cmd/node/option"
"github.com/goodrain/rainbond/node/api/model"
"github.com/goodrain/rainbond/node/masterserver"
"github.com/goodrain/rainbond/node/utils"
)
//PrometheusService prometheus service
type PrometheusService struct {
prometheusAPI *model.PrometheusAPI
conf *option.Conf
ms *masterserver.MasterServer
}
var prometheusService *PrometheusService
//CreatePrometheusService create prometheus service
func CreatePrometheusService(c *option.Conf, ms *masterserver.MasterServer) *PrometheusService {
if prometheusService == nil {
prometheusService = &PrometheusService{
prometheusAPI: &model.PrometheusAPI{API: c.PrometheusAPI},
conf: c,
ms: ms,
}
}
return prometheusService
}
//Exec exec prometheus query
func (ts *PrometheusService) Exec(expr string) (*model.Prome, *utils.APIHandleError) {
resp, err := ts.prometheusAPI.Query(expr)
if err != nil {
return nil, err
}
return resp, nil
}
//ExecRange exec prometheus query range
func (ts *PrometheusService) ExecRange(expr, start, end, step string) (*model.Prome, *utils.APIHandleError) {
resp, err := ts.prometheusAPI.QueryRange(expr, start, end, step)
if err != nil {
return nil, err
}
return resp, nil
}