mirror of
https://gitee.com/rainbond/Rainbond.git
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151 lines
6.3 KiB
Go
151 lines
6.3 KiB
Go
// Copyright (C) 2014-2018 Goodrain Co., Ltd.
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// RAINBOND, Application Management Platform
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package option
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import (
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"fmt"
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"os"
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"time"
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"github.com/goodrain/rainbond/util"
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"github.com/Sirupsen/logrus"
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"github.com/spf13/pflag"
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)
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// GWServer contains Config and LogLevel
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type GWServer struct {
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Config
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LogLevel string
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Debug bool
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}
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// NewGWServer creates a new option.GWServer
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func NewGWServer() *GWServer {
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return &GWServer{}
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}
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//Config contains all configuration
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type Config struct {
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K8SConfPath string
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EtcdEndpoint []string
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EtcdTimeout int
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EtcdCaFile string
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EtcdCertFile string
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EtcdKeyFile string
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ListenPorts ListenPorts
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//This number should be, at maximum, the number of CPU cores on your system.
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WorkerProcesses int
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WorkerRlimitNofile int
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ErrorLog string
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ErrorLogLevel string
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WorkerConnections int
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//essential for linux, optmized to serve many clients with each thread
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EnableEpool bool
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EnableMultiAccept bool
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KeepaliveTimeout int
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KeepaliveRequests int
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NginxUser string
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ResyncPeriod time.Duration
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// health check
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HealthPath string
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HealthCheckTimeout time.Duration
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EnableMetrics bool
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NodeName string
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HostIP string
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IgnoreInterface []string
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ShareMemory uint64
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SyncRateLimit float32
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}
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// ListenPorts describe the ports required to run the gateway controller
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type ListenPorts struct {
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HTTP int
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HTTPS int
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Status int
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Stream int
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Health int
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}
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// AddFlags adds flags
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func (g *GWServer) AddFlags(fs *pflag.FlagSet) {
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fs.StringVar(&g.LogLevel, "log-level", "debug", "the gateway log level")
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fs.StringVar(&g.K8SConfPath, "kube-conf", "", "absolute path to the kubeconfig file")
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fs.IntVar(&g.ListenPorts.Status, "status-port", 18080, `Port to use for the lua HTTP endpoint configuration.`)
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fs.IntVar(&g.ListenPorts.Stream, "stream-port", 18081, `Port to use for the lua TCP/UDP endpoint configuration.`)
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fs.IntVar(&g.ListenPorts.Health, "healthz-port", 10254, `Port to use for the healthz endpoint.`)
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fs.IntVar(&g.ListenPorts.HTTP, "service-http-port", 80, `Port to use for the http service rule`)
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fs.IntVar(&g.ListenPorts.HTTPS, "service-https-port", 443, `Port to use for the https service rule`)
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fs.IntVar(&g.WorkerProcesses, "worker-processes", 0, "Default get current compute cpu core number.This number should be, at maximum, the number of CPU cores on your system.")
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fs.IntVar(&g.WorkerConnections, "worker-connections", 4000, "Determines how many clients will be served by each worker process.")
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fs.IntVar(&g.WorkerRlimitNofile, "worker-rlimit-nofile", 200000, "Number of file descriptors used for Nginx. This is set in the OS with 'ulimit -n 200000'")
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fs.BoolVar(&g.EnableEpool, "enable-epool", true, "essential for linux, optmized to serve many clients with each thread")
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fs.BoolVar(&g.EnableMultiAccept, "enable-multi-accept", true, "Accept as many connections as possible, after nginx gets notification about a new connection.")
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fs.StringVar(&g.ErrorLog, "error-log", "/dev/stderr", "nginx log file, stderr or syslog")
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fs.StringVar(&g.ErrorLogLevel, "errlog-level", "crit", "log level")
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fs.StringVar(&g.NginxUser, "nginx-user", "root", "nginx user name")
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fs.IntVar(&g.KeepaliveRequests, "keepalive-requests", 10000, "Number of requests a client can make over the keep-alive connection. ")
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fs.IntVar(&g.KeepaliveTimeout, "keepalive-timeout", 30, "Timeout for keep-alive connections. Server will close connections after this time.")
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fs.DurationVar(&g.ResyncPeriod, "resync-period", 10*time.Second, "the default resync period for any handlers added via AddEventHandler and how frequently the listener wants a full resync from the shared informer")
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// etcd
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fs.StringSliceVar(&g.EtcdEndpoint, "etcd-endpoints", []string{"http://127.0.0.1:2379"}, "etcd cluster endpoints.")
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fs.IntVar(&g.EtcdTimeout, "etcd-timeout", 10, "etcd http timeout seconds")
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fs.StringVar(&g.EtcdCaFile, "etcd-ca", "", "etcd tls ca file ")
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fs.StringVar(&g.EtcdCertFile, "etcd-cert", "", "etcd tls cert file")
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fs.StringVar(&g.EtcdKeyFile, "etcd-key", "", "etcd http tls cert key file")
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// health check
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fs.StringVar(&g.HealthPath, "health-path", "/healthz", "absolute path to the kubeconfig file")
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fs.DurationVar(&g.HealthCheckTimeout, "health-check-timeout", 10, `Time limit, in seconds, for a probe to health-check-path to succeed.`)
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fs.BoolVar(&g.EnableMetrics, "enable-metrics", true, "Enables the collection of rbd-gateway metrics")
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fs.StringVar(&g.NodeName, "node-name", "", "this gateway node host name")
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fs.StringVar(&g.HostIP, "node-ip", "", "this gateway node ip")
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fs.BoolVar(&g.Debug, "debug", false, "enable pprof debug")
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fs.Uint64Var(&g.ShareMemory, "max-config-share-memory", 128, "Nginx maximum Shared memory size, which should be increased for larger clusters.")
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fs.Float32Var(&g.SyncRateLimit, "sync-rate-limit", 0.3, "Define the sync frequency upper limit")
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fs.StringArrayVar(&g.IgnoreInterface, "ignore-interface", []string{"docker0", "tunl0", "cni0", "kube-ipvs0", "flannel"}, "The network interface name that ignore by gateway")
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}
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// SetLog sets log
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func (g *GWServer) SetLog() {
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level, err := logrus.ParseLevel(g.LogLevel)
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if err != nil {
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fmt.Println("set log level error." + err.Error())
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return
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}
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logrus.SetLevel(level)
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}
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//CheckConfig check config
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func (g *GWServer) CheckConfig() error {
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if g.NodeName == "" {
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g.NodeName, _ = os.Hostname()
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}
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if g.HostIP == "" {
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ip, err := util.LocalIP()
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if err != nil {
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logrus.Errorf("get ip failed,details %s", err.Error())
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return fmt.Errorf("get host ip failure %s", err.Error())
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}
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g.HostIP = ip.String()
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}
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return nil
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}
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