mirror of
https://gitee.com/rainbond/Rainbond.git
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98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
// RAINBOND, Application Management Platform
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// Copyright (C) 2014-2019 Goodrain Co., Ltd.
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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 cluster
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import (
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"context"
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"fmt"
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"net"
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"time"
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"github.com/Sirupsen/logrus"
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"github.com/coreos/etcd/clientv3"
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"github.com/goodrain/rainbond/cmd/gateway/option"
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)
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//NodeManager node manager
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type NodeManager struct {
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config option.Config
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ipManager IPManager
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}
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//CreateNodeManager create node manager
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func CreateNodeManager(ctx context.Context, config option.Config, etcdcli *clientv3.Client) (*NodeManager, error) {
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nm := &NodeManager{
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config: config,
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}
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ipManager, err := CreateIPManager(ctx, config, etcdcli)
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if err != nil {
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return nil, err
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}
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nm.ipManager = ipManager
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return nm, nil
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}
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// Start -
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func (n *NodeManager) Start() error {
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if err := n.ipManager.Start(); err != nil {
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return err
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}
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if ok := n.checkGatewayPort(); !ok {
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return fmt.Errorf("Check gateway node port failure")
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}
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return nil
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}
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// Stop -
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func (n *NodeManager) Stop() {
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n.ipManager.Stop()
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}
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func (n *NodeManager) checkGatewayPort() bool {
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ports := []uint32{
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uint32(n.config.ListenPorts.Health),
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uint32(n.config.ListenPorts.HTTP),
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uint32(n.config.ListenPorts.HTTPS),
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uint32(n.config.ListenPorts.Status),
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uint32(n.config.ListenPorts.Stream),
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}
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return n.CheckPortAvailable("tcp", ports...)
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}
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//CheckPortAvailable checks whether the specified port is available
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func (n *NodeManager) CheckPortAvailable(protocol string, ports ...uint32) bool {
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if protocol == "" {
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protocol = "tcp"
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}
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timeout := time.Second * 3
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for _, port := range ports {
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c, _ := net.DialTimeout(protocol, fmt.Sprintf("0.0.0.0:%d", port), timeout)
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if c != nil {
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logrus.Errorf("Gateway must need listen port %d, but it has been uesd.", port)
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return false
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}
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}
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return true
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}
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//IPManager ip manager
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func (n *NodeManager) IPManager() IPManager {
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return n.ipManager
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}
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