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Friday, 11 February 2022

Create a Docker Network

 Task:

The Nautilus DevOps team needs to set up several docker environments for different applications. One of the team members has been assigned a ticket where he has been asked to create some docker networks to be used later. Complete the task based on the following ticket description:

a. Create a docker network named as news on App Server 1 in Stratos DC.
b. Configure it to use macvlan drivers.
c. Set it to use subnet 172.28.0.0/24 and iprange 172.28.0.1/24.

thor@jump_host ~$ ssh tony@stapp01
[tony@stapp01 ~]$ sudo su -

[root@stapp01 ~]# docker ps
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES
[root@stapp01 ~]# docker network ls
NETWORK ID     NAME      DRIVER    SCOPE
1b1a8c1ac8b5   bridge    bridge    local
d8defea600a4   host      host      local
f2508f2f61ea   none      null      local

[root@stapp01 ~]# docker network create -d macvlan --subnet=172.28.0.0/24 --ip-range=172.28.0.1/24 news
f98779e735fe2dc56c1e7a93a9e615f78bc5324d283ff1478f64b0e0400a7389

[root@stapp01 ~]# docker network ls
NETWORK ID     NAME      DRIVER    SCOPE
1b1a8c1ac8b5   bridge    bridge    local
d8defea600a4   host      host      local
f98779e735fe   news      macvlan   local
f2508f2f61ea   none      null      local
[root@stapp01 ~]# docker network inspect news
[
    {
        "Name": "news",
        "Id": "f98779e735fe2dc56c1e7a93a9e615f78bc5324d283ff1478f64b0e0400a7389",
        "Created": "2022-02-11T22:14:03.425043109Z",
        "Scope": "local",
        "Driver": "macvlan",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": {},
            "Config": [
                {
                    "Subnet": "172.28.0.0/24",
                    "IPRange": "172.28.0.1/24"
                }
            ]
        },
        "Internal": false,
        "Attachable": false,
        "Ingress": false,
        "ConfigFrom": {
            "Network": ""
        },
        "ConfigOnly": false,
        "Containers": {},
        "Options": {},
        "Labels": {}
    }
]

 

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