Openstack 库伯内特斯。无法从主机连接到任何pod

我正在尝试在Openstack+CoreOS中设置Kubernetes

我有10.240.63.84主人和2个63和83仆从。我还创建了3个redis吊舱：

redis-gopher-gziey        10.244.32.2     10.240.63.66/10.240.63.66
redis-managed-oh43e   10.244.32.3     10.240.63.66/10.240.63.66
redis-primary-fplln          10.244.54.2     10.240.63.83/10.240.63.83  

主机的路由表如下所示：

10.240.63.0     *               255.255.255.0   U     0      0        0 eth0
10.240.63.1     *               255.255.255.255 UH    1024   0        0 eth0
10.244.0.0      *               255.255.0.0     U     0      0        0 flannel.1
10.244.50.0     *               255.255.255.0   U     0      0        0 docker0

ifconfig-a的输出是：

docker0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        inet 10.244.50.1  netmask 255.255.255.0  broadcast 0.0.0.0
        inet6 fe80::542f:6fff:fe4a:adf3  prefixlen 64  scopeid 0x20<link>
        ether 56:84:7a:fe:97:99  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1  bytes 90 (90.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500  
        inet 10.240.63.84  netmask 255.255.255.0  broadcast 10.240.63.255
        inet6 fe80::f816:3eff:fe89:e9a0  prefixlen 64  scopeid 0x20<link>
        ether fa:16:3e:89:e9:a0  txqueuelen 1000  (Ethernet)
        RX packets 430706  bytes 559764129 (533.8 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 238519  bytes 116083693 (110.7 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

flannel.1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1450
        inet 10.244.50.0  netmask 255.255.0.0  broadcast 0.0.0.0
        inet6 fe80::601f:62ff:feed:1556  prefixlen 64  scopeid 0x20<link>
        ether 62:1f:62:ed:15:56  txqueuelen 0  (Ethernet)
        RX packets 20  bytes 1504 (1.4 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 79  bytes 7686 (7.5 KiB)
        TX errors 0  dropped 19 overruns 0  carrier 0  collisions 0

仆从：

    - name: flanneld.service
      command: start
      drop-ins:
        - name: 50-network-config.conf
          content: |
            [Service]
            ExecStartPre=/usr/bin/etcdctl set /coreos.com/network/config '{"Network":"10.244.0.0/16", "Backend": {"Type": "vxlan"}}'
            ExecStart=
            ExecStart=/usr/libexec/sdnotify-proxy /run/flannel/sd.sock \
                /usr/bin/docker run --net=host --privileged=true --rm \
                    --volume=/run/flannel:/run/flannel \
                    --env=NOTIFY_SOCKET=/run/flannel/sd.sock \
                    --env-file=/run/flannel/options.env \
                    --volume=${ETCD_SSL_DIR}:/etc/ssl/etcd:ro \
                    quay.io/coreos/flannel:${FLANNEL_VER} /opt/bin/flanneld -etcd-endpoints     http://10.240.63.84:4001 --ip-masq=true --iface=eth0

因此，问题是我无法从master ping任何pod，也无法连接到任何端口，错误是：

ncat -v -t 10.244.32.2 6379
Ncat: Version 6.40 ( http://nmap.org/ncat )
Ncat: No route to host.

---

这种事情很难远程调试。我要检查的事项：

1） 在发送方：

iptables-t原始-I输出-d 10.244.32.2-j跟踪；dmesg-c>/dev/null；ncat-v-t 10.244.32.2 6379；dmesg

这将使您对内核正在做什么有一些了解

2） 在发送方上：
tcpdump-i任意主机10.244.32.2
&ncat-v-t 10.244.32.2 6379`

这将提供更多的洞察力

3） 在接收器上：
iptables-t原始-I输出-d 10.244.32.2-j跟踪；dmesg-c>/dev/null；ncat-v-t 10.244.32.2 6379；dmesg

这将告诉您数据包是否通过封装

您需要基本上通过整个连接来验证管道。
您是否尝试过在虚拟机上禁用iptables或打开iptables中的端口和ICMP？
ncat -v -t 10.244.32.2 6379
Ncat: Version 6.40 ( http://nmap.org/ncat )
Ncat: No route to host.