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docker端口访问不了（docker设置了端口映射,不能访问的解决方案）

更多时间：2021-10-23 10:27:59 类别：服务器浏览量：260

docker端口访问不了

docker设置了端口映射,不能访问的解决方案

#docker ps 查看，所有端口都做了映射

CONTAINER ID    IMAGE              COMMAND       CREATED       STATUS       PORTS                                                                                                                                                  NAMES
764b158ba491    open-falcon-plus-02:v-daiyi-01  "/bin/bash"     2 days ago     Up 3 hours     0.0.0.0:4444->4444/tcp, 0.0.0.0:6030-6031->6030-6031/tcp, 0.0.0.0:6070-6071->6070-6071/tcp, 0.0.0.0:6080-6081->6080-6081/tcp, 0.0.0.0:8080-8081->8080-8081/tcp, 0.0.0.0:8433->8433/tcp, 0.0.0.0:9912->9912/tcp, 0.0.0.0:14444->14444/tcp, 0.0.0.0:16060->16060/tcp, 0.0.0.0:18433->18433/tcp, 8082/tcp  open-falcon-plus-daiyi-01

#但是查看日志

tail -40 /home/work/open-falcon/agent/logs/agent.log

test@ubuntu-10:/tmp/bak$ tail -40 /home/work/open-falcon/agent/logs/agent.log
2018/10/14 20:27:09 transfer.go:48: call Transfer.Update fail: &{{2 1} <nil> 10.0.10.103:8433 1s} dial tcp 10.0.10.103:8433: getsockopt: connection refused
2018/10/14 20:27:09 var.go:95: <= <Total=0, Invalid:0, Latency=0ms, Message:>
2018/10/14 20:27:09 rpc.go:41: dial 10.0.10.103:8433 fail: dial tcp 10.0.10.103:8433: getsockopt: connection refused
2018/10/14 20:27:11 rpc.go:41: dial 10.0.10.103:8433 fail: dial tcp 10.0.10.103:8433: getsockopt: connection refused
2018/10/14 20:27:15 rpc.go:41: dial 10.0.10.103:8433 fail: dial tcp 10.0.10.103:8433: getsockopt: connection refused
2018/10/14 20:27:23 rpc.go:41: dial 10.0.10.103:8433 fail: dial tcp 10.0.10.103:8433: getsockopt: connection refused
2018/10/14 20:27:23 transfer.go:48: call Transfer.Update fail: &{{0 0} <nil> 10.0.10.103:8433 1s} dial tcp 10.0.10.103:8433: getsockopt: connection refused
2018/10/14 20:27:23 var.go:95: <= <Total=0, Invalid:0, Latency=0ms, Message:>
2018/10/14 20:27:41 var.go:88: => <Total=92> <Endpoint:ubuntu, Metric:agent.alive, Type:GAUGE, Tags:, Step:60, Time:1539574061, Value:1>
2018/10/14 20:27:41 var.go:88: => <Total=5> <Endpoint:ubuntu, Metric:df.bytes.free.percent, Type:GAUGE, Tags:mount=/,fstype=ext4, Step:60, Time:1539574061, Value:67.01861018345224>

但是无法访问

原因：

docker里面的host不能配置127.0.0.1 或者192.168.0.1 或则宿主机器将无法访问端口

修改配置文件—（涉及到的，需要外部访问的都需要修改）

[root@ubuntu-10 open-falcon]# vim transfer/config/cfg.json
{
  "debug": true,
  "minStep": 30,
  "http": {
    "enabled": true,
    "listen": "0.0.0.0:6060"
  },
  "rpc": {
    "enabled": true,
    "listen": "0.0.0.0:8433" **#此处监听外面8433. 改成0.0.0.0**
  },
  "socket": {
    "enabled": true,
    "listen": "0.0.0.0:4444",
    "timeout": 3600
  },
  "judge": {
    "enabled": true,
    "batch": 200,
    "connTimeout": 1000,
    "callTimeout": 5000,
    "maxConns": 32,
    "maxIdle": 32,
    "replicas": 500,
    "cluster": {
      "judge-00" : "127.0.0.1:6080"
    }
  },
  "graph": {
    "enabled": true,
    "batch": 200,
    "connTimeout": 1000,
    "callTimeout": 5000,
    "maxConns": 32,
    "maxIdle": 32,
    "replicas": 500,
    "cluster": {
      "graph-00" : "127.0.0.1:6070"
    }
  },
  "tsdb": {
    "enabled": false,
    "batch": 200,
    "connTimeout": 1000,
    "callTimeout": 5000,
    "maxConns": 32,
    "maxIdle": 32,
    "retry": 3,
    "address": "127.0.0.1:8088"
  }

修改好之后重启 docker里的服务

[root@ubuntu-10 open-falcon]# ./open-falcon restart transfer

再次查看日志

test@ubuntu-10:/tmp/bak$ tail -40 /home/work/open-falcon/agent/logs/agent.log 
2018/10/15 02:52:48 var.go:88: => <Total=1> <Endpoint:test-endpoint, Metric:test-metric-97, Type:GAUGE, Tags:idc=lgi-test,loc=beijing-test, Step:20, Time:1539597168, Value:33>
2018/10/15 02:52:48 var.go:95: <= <Total=1, Invalid:0, Latency=0ms, Message:ok>
2018/10/15 02:52:48 var.go:88: => <Total=1> <Endpoint:test-endpoint, Metric:test-metric-97, Type:GAUGE, Tags:idc=lgi-test,loc=beijing-test, Step:20, Time:1539597168, Value:33>
2018/10/15 02:52:48 var.go:95: <= <Total=1, Invalid:0, Latency=0ms, Message:ok>
2018/10/15 02:52:48 var.go:88: => <Total=1> <Endpoint:test-endpoint, Metric:test-metric-97, Type:GAUGE, Tags:idc=lgi-test,loc=beijing-test, Step:20, Time:1539597168, Value:33>
2018/10/15 02:52:48 var.go:95: <= <Total=1, Invalid:0, Latency=0ms, Message:ok> #连接成功，数据传入。

查看端口的连接性

test@ubuntu-10:/tmp/bak$ telnet 10.0.10.103 8433
Trying 10.0.10.103...
Connected to 10.0.10.103.
Escape character is '^]'.   #这就是ok的

好啦~ 可以连接成功。

补充：docker 镜像启动成功但是无法访问

解决办法：

vi /etc/sysctl.conf 或者

vi /usr/lib/sysctl.d/00-system.conf 添加如下代码：

net.ipv4.ip_forward=1

重启network服务

systemctl restart network 查看是否修改成功

sysctl net.ipv4.ip_forward 如果返回为“net.ipv4.ip_forward = 1”则表示成功了

以上为个人经验，希望能给大家一个参考，也希望大家多多支持开心学习网。如有错误或未考虑完全的地方，望不吝赐教。

标签：docker 端口映射访问

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