Rainbond/api/region/monitor.go

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// RAINBOND, Application Management Platform
// Copyright (C) 2014-2017 Goodrain Co., Ltd.
// 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 region
import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
"github.com/goodrain/rainbond/api/util"
"github.com/goodrain/rainbond/node/api/model"
utilhttp "github.com/goodrain/rainbond/util/http"
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"github.com/sirupsen/logrus"
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"gopkg.in/yaml.v2"
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"io/ioutil"
"os"
)
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// MonitorInterface cluster api
type MonitorInterface interface {
GetRule(name string) (*model.AlertingNameConfig, *util.APIHandleError)
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GetAllRule() (*model.AlertingRulesConfig, *util.APIHandleError)
DelRule(name string) (*utilhttp.ResponseBody, *util.APIHandleError)
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AddRule(path string) (*utilhttp.ResponseBody, *util.APIHandleError)
RegRule(ruleName string, path string) (*utilhttp.ResponseBody, *util.APIHandleError)
}
func (r *regionImpl) Monitor() MonitorInterface {
return &monitor{prefix: "/v2/rules", regionImpl: *r}
}
type monitor struct {
regionImpl
prefix string
}
func (m *monitor) GetRule(name string) (*model.AlertingNameConfig, *util.APIHandleError) {
var ac model.AlertingNameConfig
var decode utilhttp.ResponseBody
decode.Bean = &ac
code, err := m.DoRequest(m.prefix+"/"+name, "GET", nil, &decode)
if err != nil {
return nil, handleErrAndCode(err, code)
}
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if code != 200 {
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logrus.Error("Return failure message ", decode.Bean)
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return nil, util.CreateAPIHandleError(code, fmt.Errorf("get alerting rules error code %d", code))
}
return &ac, nil
}
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func (m *monitor) GetAllRule() (*model.AlertingRulesConfig, *util.APIHandleError) {
var ac model.AlertingRulesConfig
var decode utilhttp.ResponseBody
decode.Bean = &ac
code, err := m.DoRequest(m.prefix+"/all", "GET", nil, &decode)
if err != nil {
return nil, handleErrAndCode(err, code)
}
if code != 200 {
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logrus.Error("Return failure message ", decode.Bean)
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return nil, util.CreateAPIHandleError(code, fmt.Errorf("get alerting rules error code %d", code))
}
return &ac, nil
}
func (m *monitor) DelRule(name string) (*utilhttp.ResponseBody, *util.APIHandleError) {
var decode utilhttp.ResponseBody
code, err := m.DoRequest(m.prefix+"/"+name, "DELETE", nil, &decode)
if err != nil {
return nil, handleErrAndCode(err, code)
}
if code != 200 {
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logrus.Error("Return failure message ", decode.Bean)
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return nil, util.CreateAPIHandleError(code, fmt.Errorf("del alerting rules error code %d", code))
}
return &decode, nil
}
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func (m *monitor) AddRule(path string) (*utilhttp.ResponseBody, *util.APIHandleError) {
_, err := os.Stat(path)
if err != nil {
if !os.IsExist(err) {
return nil, util.CreateAPIHandleError(400, errors.New("file does not exist"))
}
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}
content, err := ioutil.ReadFile(path)
if err != nil {
logrus.Error("Failed to read AlertingRules config file: ", err.Error())
return nil, util.CreateAPIHandleError(400, err)
}
var rulesConfig model.AlertingNameConfig
if err := yaml.Unmarshal(content, &rulesConfig); err != nil {
logrus.Error("Unmarshal AlertingRulesConfig config string to object error.", err.Error())
return nil, util.CreateAPIHandleError(400, err)
}
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var decode utilhttp.ResponseBody
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body, err := json.Marshal(rulesConfig)
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if err != nil {
return nil, util.CreateAPIHandleError(400, err)
}
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code, err := m.DoRequest(m.prefix, "POST", bytes.NewBuffer(body), &decode)
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if err != nil {
return nil, handleErrAndCode(err, code)
}
if code != 200 {
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logrus.Error("Return failure message ", decode.Bean)
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return nil, util.CreateAPIHandleError(code, fmt.Errorf("add alerting rules error code %d", code))
}
return &decode, nil
}
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func (m *monitor) RegRule(ruleName string, path string) (*utilhttp.ResponseBody, *util.APIHandleError) {
_, err := os.Stat(path)
if err != nil {
if !os.IsExist(err) {
return nil, util.CreateAPIHandleError(400, errors.New("file does not exist"))
}
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}
content, err := ioutil.ReadFile(path)
if err != nil {
logrus.Error("Failed to read AlertingRules config file: ", err.Error())
return nil, util.CreateAPIHandleError(400, err)
}
var rulesConfig model.AlertingNameConfig
if err := yaml.Unmarshal(content, &rulesConfig); err != nil {
logrus.Error("Unmarshal AlertingRulesConfig config string to object error.", err.Error())
return nil, util.CreateAPIHandleError(400, err)
}
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var decode utilhttp.ResponseBody
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body, err := json.Marshal(rulesConfig)
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if err != nil {
return nil, util.CreateAPIHandleError(400, err)
}
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code, err := m.DoRequest(m.prefix+"/"+ruleName, "PUT", bytes.NewBuffer(body), &decode)
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if err != nil {
return nil, handleErrAndCode(err, code)
}
if code != 200 {
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logrus.Error("Return failure message ", decode.Bean)
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return nil, util.CreateAPIHandleError(code, fmt.Errorf("add alerting rules error code %d", code))
}
return &decode, nil
}