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| 可以查询某个节点上关于my-network的详细信息：
[root@Manager ~]# docker network inspect cby_net
[
{
"Name": "cby_net",
"Id": "j26skr271gjkzpbx91wu1okt9",
"Created": "2024-11-19T20:10:07.207940854+08:00",
"Scope": "swarm",
"Driver": "overlay",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "192.168.2.0/24",
"Gateway": "192.168.2.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"2f101603351b388e2820dd576b2ab9490863b65ae04e8cb4f6a3bf2d0df2a590": {
"Name": "my-cby.4.tdkm03dxjzv20acx6shajxhjg",
"EndpointID": "b2a5885c2efe87370eb34b4da2103f979a8fa95fe9bff71f037eee569f1ffb0b",
"MacAddress": "02:42:c0:a8:02:06",
"IPv4Address": "192.168.2.6/24",
"IPv6Address": ""
},
"8cbd44885c579fa9bc267bcb3eea11b8edcd696b0c75180da5c9237330afcba6": {
"Name": "my-cby.2.xw55qx98dgbyrdi6jxt9kguvc",
"EndpointID": "e2f04749c1b55c25b75ec677fd95cc0bd1941a58c69a9b3eed8754d2cfb6de32",
"MacAddress": "02:42:c0:a8:02:04",
"IPv4Address": "192.168.2.4/24",
"IPv6Address": ""
},
"lb-cby_net": {
"Name": "cby_net-endpoint",
"EndpointID": "f93daf78ca41922a4be4c4b3dde01bb7a919d9008304a4a31950f09281ae30f9",
"MacAddress": "02:42:c0:a8:02:0a",
"IPv4Address": "192.168.2.10/24",
"IPv6Address": ""
}
},
"Options": {
"com.docker.network.driver.overlay.vxlanid_list": "4098",
"encrypted": ""
},
"Labels": {},
"Peers": [
{
"Name": "33a2908a261b",
"IP": "192.168.1.53"
},
{
"Name": "d7847005824e",
"IP": "192.168.1.51"
},
{
"Name": "7640904bfcc4",
"IP": "192.168.1.52"
}
]
}
]
[root@Manager ~]#
[root@Node1 ~]# docker network inspect cby_net
............................................
"Containers": {
"01f42aaeb9667b8d07683f5e2d60f643cc61aa9ceda0d0adb8bc642d1093bfc9": {
"Name": "my-cby.3.izx4jb8aen5wbwkvy5b7tz1lz",
"EndpointID": "46892992ac400bc1cfc40f62610ff3321ae079929170912d861556f8d1f4645f",
"MacAddress": "02:42:c0:a8:02:05",
"IPv4Address": "192.168.2.5/24",
"IPv6Address": ""
},
"a214a33e86c95b3ea84aae6eee705b633ac5a31854425317d2a0d9693cee00ca": {
"Name": "my-cby.5.h6lcj91v01cmhf03644nqarxq",
"EndpointID": "a1ec3f28877fb82ba86c2b6312c592489bb59d354caa274a6b5d98aae3c4ee17",
"MacAddress": "02:42:c0:a8:02:07",
"IPv4Address": "192.168.2.7/24",
"IPv6Address": ""
},
"lb-cby_net": {
"Name": "cby_net-endpoint",
"EndpointID": "05f1e89be3036367a729c1a50430bcd6181ed4bc7ec4e37bd025ba5591b6b3bf",
"MacAddress": "02:42:c0:a8:02:09",
"IPv4Address": "192.168.2.9/24",
"IPv6Address": ""
}
},
............................................
[root@Node2 ~]# docker network inspect cby_net
............................................
"Containers": {
"6ac3a65fa5a2501a5ad6d4183895e4e6b13beaf6b8642c360e19e9bc0849f74c": {
"Name": "my-cby.1.hrppcl25yba05o26q1my5abmc",
"EndpointID": "a0e8246bc74b8e9b9f964b1efb51ad59d9b7dff219b7f10fc027970145503f34",
"MacAddress": "02:42:c0:a8:02:03",
"IPv4Address": "192.168.2.3/24",
"IPv6Address": ""
},
"lb-cby_net": {
"Name": "cby_net-endpoint",
"EndpointID": "aa739df579790e8147877ce79220cf5387740f11a581344756502f9212314c24",
"MacAddress": "02:42:c0:a8:02:08",
"IPv4Address": "192.168.2.8/24",
"IPv6Address": ""
}
},
.............................................
# 可以通过查询服务来获得服务的虚拟IP地址，如下：
[root@Manager ~]# docker service inspect --format='{{json .Endpoint.VirtualIPs}}' my-cby
[{"NetworkID":"dkhebie7aja768y8agz4xdpwt","Addr":"10.0.0.27/24"},{"NetworkID":"j26skr271gjkzpbx91wu1okt9","Addr":"192.168.2.2/24"}]
[root@Manager ~]#
```shell
#
```shell
[root@Manager ~]# docker service create --name my-by_net --network cby_net busybox ping www.baidu.com
u7eana0p9xp9auw9p02d8z1wx
overall progress: 1 out of 1 tasks
1/1: running [==================================================>]
verify: Service u7eana0p9xp9auw9p02d8z1wx converged
[root@Manager ~]#
[root@Manager ~]#
[root@Manager ~]#
[root@Manager ~]# docker service ps my-by_net
ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
7l1fpecym4kc my-by_net.1 busybox:latest Node2 Running Running 31 seconds ago
[root@Manager ~]#
```shell
#
```shell
# 测试其他的IP的是否在容器内正常
[root@Node2 ~]# docker exec -ti 1b1a6f6c5a7b /bin/sh
/ #
/ # ping 192.168.2.8
PING 192.168.2.8 (192.168.2.8): 56 data bytes
64 bytes from 192.168.2.8: seq=0 ttl=64 time=0.095 ms
64 bytes from 192.168.2.8: seq=1 ttl=64 time=0.073 ms
64 bytes from 192.168.2.8: seq=2 ttl=64 time=0.101 ms
^C
--- 192.168.2.8 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 0.073/0.089/0.101 ms
/ # ping 192.168.2.7
PING 192.168.2.7 (192.168.2.7): 56 data bytes
64 bytes from 192.168.2.7: seq=0 ttl=64 time=0.434 ms
64 bytes from 192.168.2.7: seq=1 ttl=64 time=0.430 ms
64 bytes from 192.168.2.7: seq=2 ttl=64 time=0.401 ms
64 bytes from 192.168.2.7: seq=3 ttl=64 time=0.386 ms
^C
--- 192.168.2.7 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.386/0.412/0.434 ms
/ # ping 192.168.2.2
PING 192.168.2.2 (192.168.2.2): 56 data bytes
64 bytes from 192.168.2.2: seq=0 ttl=64 time=0.081 ms
64 bytes from 192.168.2.2: seq=1 ttl=64 time=0.075 ms
64 bytes from 192.168.2.2: seq=2 ttl=64 time=0.093 ms
64 bytes from 192.168.2.2: seq=3 ttl=64 time=0.073 ms
^C
--- 192.168.2.2 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.073/0.080/0.093 ms
/ #
# 服务发现功能
# 查询service的虚拟IP地址
/ # nslookup my-cby
Server: 127.0.0.11
Address: 127.0.0.11:53
Non-authoritative answer:
Non-authoritative answer:
Name: my-cby
Address: 192.168.2.2
/ #
# 查询所有的容器IP
/ # nslookup tasks.my-cby
Server: 127.0.0.11
Address: 127.0.0.11:53
Non-authoritative answer:
Non-authoritative answer:
Name: tasks.my-cby
Address: 192.168.2.73
Name: tasks.my-cby
Address: 192.168.2.74
Name: tasks.my-cby
Address: 192.168.2.7
Name: tasks.my-cby
Address: 192.168.2.5
Name: tasks.my-cby
Address: 192.168.2.3
/ #
|
