我有一个在2个节点上运行的docker群，这些节点是通过安装在Oracle VirtualBox上的CentOS 7创建的。我能够部署一个运行6个容器的堆栈，这些容器平均分布在两台计算机上。
但是，我无法通过暴露的端口连接到已部署的应用程序。
这是我的Docker Compose File
version: "3"
services:
web:
image: <myusername>/friendlyhello:latest
deploy:
replicas: 6
resources:
limits:
cpus: "0.1"
memory: 50M
restart_policy:
condition: on-failure
ports:
- "80:80"
networks:
- webnet
networks:
webnet:
这是docker-machine ls的输出：
NAME ACTIVE DRIVER STATE URL SWARM DOCKER ERRORS
myvm1 * virtualbox Running tcp://192.168.99.100:2376 v18.09.0
myvm2 - virtualbox Running tcp://192.168.99.101:2376 v18.09.0
这是我的curl命令中的错误
curl http://192.168.99.100/
curl: (7) Failed connect to 192.168.99.100:80; Connection refused
即使我的应用程序似乎运行正常。
docker service ls
ID NAME MODE REPLICAS IMAGE PORTS
i5nw2wcir9j3 getstartedlab_web replicated 6/6 harmanspall/friendlyhello:latest *:80->80/tcp
docker service ps getstartedlab_web
ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
dn7mrfo1yvg4 getstartedlab_web.1 harmanspall/friendlyhello:latest myvm1 Running Running 28 minutes ago
jxkr1psbvmpc getstartedlab_web.2 harmanspall/friendlyhello:latest myvm2 Running Running 28 minutes ago
jttd4t6b9gz5 getstartedlab_web.3 harmanspall/friendlyhello:latest myvm1 Running Running 28 minutes ago
zhs0c7ygj8cs getstartedlab_web.4 harmanspall/friendlyhello:latest myvm2 Running Running 28 minutes ago
mx6gykk3qocd getstartedlab_web.5 harmanspall/friendlyhello:latest myvm1 Running Running 28 minutes ago
pku7f60ij0bq getstartedlab_web.6 harmanspall/friendlyhello:latest myvm2 Running Running 28 minutes ago
从Swarm Manager中看到的我的Docker网络列表：
NETWORK ID NAME DRIVER SCOPE
5c502a957a70 bridge bridge local
a3b1f749c09f docker_gwbridge bridge local
80nens8mmp6i getstartedlab_webnet overlay swarm
c9647a0f6c30 host host local
mj60zgzhiwjf ingress overlay swarm
5adba823ce78 none null local
任何指针将不胜感激。
~~编辑~~
这似乎与虚拟机的连接不是问题，因为我能够ping通我的Virtualbox
ping 192.168.99.100 -c 5
PING 192.168.99.100 (192.168.99.100) 56(84) bytes of data.
64 bytes from 192.168.99.100: icmp_seq=1 ttl=64 time=0.246 ms
64 bytes from 192.168.99.100: icmp_seq=2 ttl=64 time=0.215 ms
64 bytes from 192.168.99.100: icmp_seq=3 ttl=64 time=0.226 ms
64 bytes from 192.168.99.100: icmp_seq=4 ttl=64 time=0.251 ms
64 bytes from 192.168.99.100: icmp_seq=5 ttl=64 time=0.262 ms
--- 192.168.99.100 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3999ms
rtt min/avg/max/mdev = 0.215/0.240/0.262/0.017 ms
当我尝试从VM内部卷曲时，它也会失败
docker-machine ssh myvm1 "curl http://192.168.99.100/"
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0curl: (7) Failed to connect to 192.168.99.100 port 80: Connection refused
exit status 7
docker-machine ssh myvm1 "curl http://localhost/"
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0curl: (7) Failed to connect to localhost port 80: Connection refused
exit status 7