Rainbond/gateway/metric/metric.go
2019-09-04 14:40:26 +08:00

86 lines
2.6 KiB
Go

// 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 metric
import (
"fmt"
"k8s.io/apimachinery/pkg/util/sets"
"github.com/goodrain/rainbond/gateway/metric/collectors"
"github.com/prometheus/client_golang/prometheus"
)
// Collector defines the interface for a metric collector
type Collector interface {
Start()
Stop()
SetHosts(sets.String)
SetServerNum(httpNum, tcpNum int)
RemoveHostMetric([]string)
}
type collector struct {
registry *prometheus.Registry
socket *collectors.SocketCollector
gatewayController *collectors.Controller
nginxCmd *collectors.NginxCmdMetric
}
// NewCollector creates a new metric collector the for ingress controller
func NewCollector(gatewayHost string, registry *prometheus.Registry) (Collector, error) {
ic := collectors.NewController()
socketCollector, err := collectors.NewSocketCollector(gatewayHost, true)
if err != nil {
return nil, fmt.Errorf("create socket collector failure %s", err.Error())
}
return Collector(&collector{
gatewayController: ic,
socket: socketCollector,
registry: registry,
nginxCmd: &collectors.NginxCmdMetric{},
}), nil
}
func (c *collector) Start() {
c.registry.MustRegister(c.gatewayController)
c.registry.MustRegister(c.socket)
c.registry.MustRegister(c.nginxCmd)
go c.socket.Start()
}
func (c *collector) Stop() {
c.registry.Unregister(c.gatewayController)
c.registry.Unregister(c.socket)
c.registry.Unregister(c.nginxCmd)
}
func (c *collector) SetServerNum(httpNum, tcpNum int) {
c.gatewayController.SetServerNum(httpNum, tcpNum)
}
func (c *collector) SetHosts(hosts sets.String) {
c.socket.SetHosts(hosts)
}
//RemoveHostMetric -
func (c *collector) RemoveHostMetric(hosts []string) {
c.socket.RemoveMetrics(hosts, c.registry)
}