console/service/alerting/common/helper.go

137 lines
3.7 KiB
Go

// Copyright (C) INFINI Labs & INFINI LIMITED.
//
// The INFINI Console is offered under the GNU Affero General Public License v3.0
// and as commercial software.
//
// For commercial licensing, contact us at:
// - Website: infinilabs.com
// - Email: hello@infini.ltd
//
// Open Source licensed under AGPL V3:
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
/* Copyright © INFINI Ltd. All rights reserved.
* Web: https://infinilabs.com
* Email: hello#infini.ltd */
package common
import (
"bytes"
"fmt"
"infini.sh/console/model/alerting"
"infini.sh/console/service/alerting/action"
"infini.sh/console/service/alerting/funcs"
"infini.sh/framework/core/orm"
"text/template"
)
func PerformChannel(channel *alerting.Channel, ctx map[string]interface{}) ([]byte, error, []byte) {
if channel == nil {
return nil, fmt.Errorf("empty channel"), nil
}
var (
act action.Action
message []byte
err error
)
switch channel.Type {
case alerting.ChannelWebhook:
message, err = ResolveMessage(channel.Webhook.Body, ctx)
if err != nil {
return nil, err, message
}
wh := *channel.Webhook
urlBytes, err := ResolveMessage(wh.URL, ctx)
if err != nil {
return nil, err, message
}
wh.URL = string(urlBytes)
act = &action.WebhookAction{
Data: &wh,
Message: string(message),
}
case alerting.ChannelEmail:
message, err = ResolveMessage(channel.Email.Body, ctx)
if err != nil {
return nil, err, message
}
subjectBytes, err := ResolveMessage(channel.Email.Subject, ctx)
if err != nil {
return nil, err, nil
}
act = &action.EmailAction{
Data: channel.Email,
Subject: string(subjectBytes),
Body: string(message),
}
default:
return nil, fmt.Errorf("unsupported action type: %s", channel.Type), message
}
executeResult, err := act.Execute()
return executeResult, err, message
}
func ResolveMessage(messageTemplate string, ctx map[string]interface{}) ([]byte, error) {
msg := messageTemplate
tmpl, err := template.New("alert-message").Funcs(funcs.GenericFuncMap()).Parse(msg)
if err != nil {
return nil, fmt.Errorf("parse message temlate error: %w", err)
}
msgBuffer := &bytes.Buffer{}
err = tmpl.Execute(msgBuffer, ctx)
return msgBuffer.Bytes(), err
}
func RetrieveChannel(ch *alerting.Channel, raiseChannelEnabledErr bool) (*alerting.Channel, error) {
if ch == nil {
return nil, fmt.Errorf("empty channel")
}
if ch.ID != "" {
refCh := &alerting.Channel{}
refCh.ID = ch.ID
_, err := orm.Get(refCh)
if err != nil {
return nil, err
}
if !refCh.Enabled {
ch.Enabled = false
if raiseChannelEnabledErr {
return ch, fmt.Errorf("global channel is not enabled")
}
return ch, nil
}
ch.Type = refCh.Type
ch.Name = refCh.Name
ch.SubType = refCh.SubType
switch ch.Type {
case alerting.ChannelEmail:
if ch.Email == nil {
ch.Email = refCh.Email
} else {
ch.Email.ServerID = refCh.Email.ServerID
ch.Email.Recipients = refCh.Email.Recipients
}
case alerting.ChannelWebhook:
if ch.Webhook == nil {
ch.Webhook = refCh.Webhook
} else {
ch.Webhook.URL = refCh.Webhook.URL
}
}
}
return ch, nil
}