Podman : Create Pods2022/05/24 |
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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 aeafd08a2e247da28aeead033ff82a3135335b4689656969e9287c0323f5bf48 # show pods [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS aeafd08a2e24 test-pod Created 11 seconds ago 5d1d0496966d 1 # show details of pod [root@dlp ~]# podman pod inspect test-pod
{
"Id": "aeafd08a2e247da28aeead033ff82a3135335b4689656969e9287c0323f5bf48",
"Name": "test-pod",
"Created": "2022-05-24T11:12:22.481077461+09:00",
"CreateCommand": [
"podman",
"pod",
"create",
"-p",
"8081:80",
"-n",
"test-pod"
],
"State": "Created",
"Hostname": "",
"CreateCgroup": true,
"CgroupParent": "machine.slice",
"CgroupPath": "machine.slice/machine-libpod_pod_aeafd08a2e247da28aeead033ff82a3135335b4689656969e9287c0323f5bf48.slice",
"CreateInfra": true,
"InfraContainerID": "5d1d0496966dc287ab7bf7c01b8e540c54c03ce8b891ae397b1a97e9571e81db",
"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"
},
"SharedNamespaces": [
"ipc",
"net",
"uts"
],
"NumContainers": 1,
"Containers": [
{
"Id": "5d1d0496966dc287ab7bf7c01b8e540c54c03ce8b891ae397b1a97e9571e81db",
"Name": "aeafd08a2e24-infra",
"State": "created"
}
]
}
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 4.1.0-1651853754 64648fcd477f 56 seconds ago 816 kB docker.io/library/root_web latest e1783cd9a348 21 minutes ago 467 MB localhost/root_web latest 709b93cf49d3 22 minutes ago 467 MB srv.world/fedora-nginx latest bfad5d240798 58 minutes ago 467 MB srv.world/fedora-httpd latest 6c88b642f75c About an hour ago 566 MB docker.io/library/mariadb latest 784190069700 8 hours ago 396 MB registry.fedoraproject.org/fedora latest 750037c05cfe 3 months ago 159 MB dlp.srv.world:5000/fedora my-registry 750037c05cfe 3 months ago 159 MB # run container and add it to pod [root@dlp ~]# podman run -dt --pod test-pod srv.world/fedora-nginx a358f001c56115855ede00ac39122e7e2224cd48e5c0eaf8f658a6e4e56399ec[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 5d1d0496966d localhost/podman-pause:4.1.0-1651853754 About a minute ago Up 9 seconds ago 0.0.0.0:8081->80/tcp aeafd08a2e24-infra a358f001c561 srv.world/fedora-nginx:latest /usr/sbin/nginx -... 9 seconds ago Up 9 seconds ago 0.0.0.0:8081->80/tcp elated_heisenberg # verify accesses [root@dlp ~]# curl localhost:8081 Podman Test on Nginx # stop pod [root@dlp ~]# podman pod stop test-pod aeafd08a2e247da28aeead033ff82a3135335b4689656969e9287c0323f5bf48 # remove pod (removed containers all) [root@dlp ~]# podman pod rm test-pod --force aeafd08a2e247da28aeead033ff82a3135335b4689656969e9287c0323f5bf48 |
| [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 4.1.0-1651853754 64648fcd477f 8 minutes ago 816 kB docker.io/library/root_web latest e1783cd9a348 28 minutes ago 467 MB localhost/root_web latest 709b93cf49d3 29 minutes ago 467 MB srv.world/fedora-nginx latest bfad5d240798 About an hour ago 467 MB srv.world/fedora-httpd latest 6c88b642f75c About an hour ago 566 MB docker.io/library/mariadb latest 784190069700 8 hours ago 396 MB registry.fedoraproject.org/fedora latest 750037c05cfe 3 months ago 159 MB dlp.srv.world:5000/fedora my-registry 750037c05cfe 3 months ago 159 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 d6e66de03d4bbfb32d10122387811f5291b76348a33784b1c075c387337d1f99[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS ede58247cd3e test-pod2 Running 7 seconds ago 3d27f302b524 2[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3d27f302b524 localhost/podman-pause:4.1.0-1651853754 29 seconds ago Up 29 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp ede58247cd3e-infra d6e66de03d4b srv.world/fedora-nginx:latest /usr/sbin/nginx -... 29 seconds ago Up 28 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp condescending_fermi # 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 736c31f3f0aace972fbd7806ea87177b3c13aad00118503d7e2aa8fbf722b17e[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3d27f302b524 localhost/podman-pause:4.1.0-1651853754 About a minute ago Up About a minute ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp ede58247cd3e-infra d6e66de03d4b 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 condescending_fermi 736c31f3f0aa docker.io/library/mariadb:latest mariadbd 12 seconds ago Up 13 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp zen_cerf
[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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