Podman : Create Pods2022/11/22 |
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Create Pods like Kubernetes.
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| [1] | Create a Pod and add a Container to it. |
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# create a empty pod # -p [bind port] -n [pod name] [root@dlp ~]# podman pod create -p 8081:80 -n test-pod 463371b5eda663773754a7ac22a51277d21d3d9c921f2620cc187b1b711225ba # show pods [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 463371b5eda6 test-pod Created 11 seconds ago 29b84520848a 1 # show details of pod [root@dlp ~]# podman pod inspect test-pod
{
"Id": "463371b5eda663773754a7ac22a51277d21d3d9c921f2620cc187b1b711225ba",
"Name": "test-pod",
"Created": "2022-11-22T15:46:36.881319098+09:00",
"CreateCommand": [
"podman",
"pod",
"create",
"-p",
"8081:80",
"-n",
"test-pod"
],
"ExitPolicy": "continue",
"State": "Created",
"Hostname": "",
"CreateCgroup": true,
"CgroupParent": "machine.slice",
"CgroupPath": "machine.slice/machine-libpod_pod_463371b5eda663773754a7ac22a51277d21d3d9c921f2620cc187b1b711225ba.slice",
"CreateInfra": true,
"InfraContainerID": "29b84520848a4ad42471822b96b48473ed8b947b300988e3fa7af8d8ca22d342",
"InfraConfig": {
"PortBindings": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "8081"
}
]
},
"HostNetwork": false,
"StaticIP": "",
"StaticMAC": "",
"NoManageResolvConf": false,
"DNSServer": null,
"DNSSearch": null,
"DNSOption": null,
"NoManageHosts": false,
"HostAdd": null,
"Networks": [
"podman"
],
"NetworkOptions": null,
"pid_ns": "private",
"userns": "host",
"uts_ns": "private"
},
"SharedNamespaces": [
"ipc",
"net",
"uts"
],
"NumContainers": 1,
"Containers": [
{
"Id": "29b84520848a4ad42471822b96b48473ed8b947b300988e3fa7af8d8ca22d342",
"Name": "463371b5eda6-infra",
"State": "created"
}
]
}
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 4.3.1-1668178887 9368de8f92c7 About a minute ago 1.09 MB srv.world/iproute latest ac96369ed105 14 minutes ago 402 MB srv.world/fedora-nginx latest 3e184c6f4609 About an hour ago 430 MB srv.world/fedora-httpd latest 87f2afc7b89d About an hour ago 458 MB docker.io/library/mariadb latest 28ca9ca8e298 4 days ago 416 MB registry.fedoraproject.org/fedora latest 885d2b38b819 11 days ago 190 MB # run container and add it to pod [root@dlp ~]# podman run -dt --pod test-pod srv.world/fedora-nginx 82b834680a214c0b7b8c08262950976a33522fe67eec2265a90985b6068b7a42[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 29b84520848a localhost/podman-pause:4.3.1-1668178887 About a minute ago Up 11 seconds ago 0.0.0.0:8081->80/tcp 463371b5eda6-infra 82b834680a21 srv.world/fedora-nginx:latest /usr/sbin/nginx -... 11 seconds ago Up 11 seconds ago 0.0.0.0:8081->80/tcp priceless_jepsen # verify accesses [root@dlp ~]# curl localhost:8081 Podman Test on Nginx # stop pod [root@dlp ~]# podman pod stop test-pod 463371b5eda663773754a7ac22a51277d21d3d9c921f2620cc187b1b711225ba # remove pod (removed containers all) [root@dlp ~]# podman pod rm test-pod --force 463371b5eda663773754a7ac22a51277d21d3d9c921f2620cc187b1b711225ba |
| [2] | It's possbile to create Pod and add Container with one command. |
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[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 4.3.1-1668178887 9368de8f92c7 3 minutes ago 1.09 MB srv.world/iproute latest ac96369ed105 16 minutes ago 402 MB srv.world/fedora-nginx latest 3e184c6f4609 About an hour ago 430 MB srv.world/fedora-httpd latest 87f2afc7b89d About an hour ago 458 MB docker.io/library/mariadb latest 28ca9ca8e298 4 days ago 416 MB registry.fedoraproject.org/fedora latest 885d2b38b819 11 days ago 190 MB # create a [test-pod2] pod and add [srv.world/fedora-nginx] container [root@dlp ~]# podman run -dt --pod new:test-pod2 -p 80:80 -p 3306:3306 srv.world/fedora-nginx 9e3f690d5e7ba1a1d9dc6ad6bd67b46da61b4ff67313859052f4c020e55bb02e[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS daff51fe9774 test-pod2 Running 12 seconds ago 89392d8be32c 2[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 89392d8be32c localhost/podman-pause:4.3.1-1668178887 28 seconds ago Up 28 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp daff51fe9774-infra 9e3f690d5e7b srv.world/fedora-nginx:latest /usr/sbin/nginx -... 28 seconds ago Up 28 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp gifted_einstein # run [mariadb] container and add it to the [test-pod2] [root@dlp ~]# podman run -dt --pod test-pod2 -e MYSQL_ROOT_PASSWORD=Password docker.io/library/mariadb 4ce57d8e308c2c8f475acc3eca6817ce1245763f5cc8ce5c5ab39e2215cf5ae2[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 89392d8be32c localhost/podman-pause:4.3.1-1668178887 About a minute ago Up About a minute ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp daff51fe9774-infra 9e3f690d5e7b srv.world/fedora-nginx:latest /usr/sbin/nginx -... About a minute ago Up About a minute ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp gifted_einstein 4ce57d8e308c docker.io/library/mariadb:latest mariadbd 10 seconds ago Up 10 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp stupefied_hawking
[root@dlp ~]#
[root@dlp ~]# curl dlp.srv.world Dockerfile Test on Nginx mysql -u root -p -h dlp.srv.world -e "show variables like 'hostname';" Enter password: +---------------+-----------+ | Variable_name | Value | +---------------+-----------+ | hostname | test-pod2 | +---------------+-----------+ |
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