Podman : Create Pods2023/11/16 |
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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 d870844b8abcfd648e7bbc497f17d73fb27823d1cde0ea741ace95c8a925c0a8 # show pods [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS d870844b8abc test-pod Created 14 seconds ago 39ff6534b88d 1 # show details of pod [root@dlp ~]# podman pod inspect test-pod
{
"Id": "d870844b8abcfd648e7bbc497f17d73fb27823d1cde0ea741ace95c8a925c0a8",
"Name": "test-pod",
"Created": "2023-11-16T10:27:29.475456535+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_d870844b8abcfd648e7bbc497f17d73fb27823d1cde0ea741ace95c8a925c0a8.slice",
"CreateInfra": true,
"InfraContainerID": "39ff6534b88dd37214ce55c0e4976887a215a6116b839274a1a422112db3cee9",
"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": [
"uts",
"ipc",
"net"
],
"NumContainers": 1,
"Containers": [
{
"Id": "39ff6534b88dd37214ce55c0e4976887a215a6116b839274a1a422112db3cee9",
"Name": "d870844b8abc-infra",
"State": "created"
}
],
"LockNumber": 12
}
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 4.7.2-1698762721 cb1af0765d22 About a minute ago 1.14 MB srv.world/iproute latest b2ff20987c53 8 minutes ago 417 MB localhost/root_web latest e1fc63ab5511 35 minutes ago 447 MB srv.world/fedora-nginx latest 6a43f18a8fc3 About an hour ago 447 MB srv.world/fedora-httpd latest 43a608e50bc8 About an hour ago 459 MB registry.fedoraproject.org/fedora latest ec546109f822 8 days ago 183 MB dlp.srv.world:5000/fedora my-registry ec546109f822 8 days ago 183 MB docker.io/library/mariadb latest f35870862d64 4 weeks ago 410 MB # run container and add it to pod [root@dlp ~]# podman run -dt --pod test-pod srv.world/fedora-nginx 06faa591df074834f59b25bec9abac8a697f1f29ec0e058260c59f10ce2cb726[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 39ff6534b88d localhost/podman-pause:4.7.2-1698762721 About a minute ago Up 14 seconds 0.0.0.0:8081->80/tcp d870844b8abc-infra 06faa591df07 srv.world/fedora-nginx:latest /usr/sbin/nginx -... 14 seconds ago Up 14 seconds 0.0.0.0:8081->80/tcp elated_jemison # verify accesses [root@dlp ~]# curl localhost:8081 Podman Test on Nginx # stop pod [root@dlp ~]# podman pod stop test-pod d870844b8abcfd648e7bbc497f17d73fb27823d1cde0ea741ace95c8a925c0a8 # remove pod (removed containers all) [root@dlp ~]# podman pod rm test-pod --force d870844b8abcfd648e7bbc497f17d73fb27823d1cde0ea741ace95c8a925c0a8 |
| [2] | It's possible 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 4.7.2-1698762721 cb1af0765d22 3 minutes ago 1.14 MB srv.world/iproute latest b2ff20987c53 11 minutes ago 417 MB localhost/root_web latest e1fc63ab5511 38 minutes ago 447 MB srv.world/fedora-nginx latest 6a43f18a8fc3 About an hour ago 447 MB srv.world/fedora-httpd latest 43a608e50bc8 About an hour ago 459 MB registry.fedoraproject.org/fedora latest ec546109f822 8 days ago 183 MB dlp.srv.world:5000/fedora my-registry ec546109f822 8 days ago 183 MB docker.io/library/mariadb latest f35870862d64 4 weeks ago 410 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 03f07451c154610b7ffe657dce5189f8c2917ef5f06abf877b31e7ac56f71589[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 474a1332078e test-pod2 Running 13 seconds ago 988d3b145f27 2[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 988d3b145f27 localhost/podman-pause:4.7.2-1698762721 35 seconds ago Up 36 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 474a1332078e-infra 03f07451c154 srv.world/fedora-nginx:latest /usr/sbin/nginx -... 35 seconds ago Up 36 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp vibrant_benz # 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 67ae261959a98a78ccd0d66cd69ed47374fb378843a70cfb17b41ebc1b203907[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 988d3b145f27 localhost/podman-pause:4.7.2-1698762721 About a minute ago Up About a minute 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 474a1332078e-infra 03f07451c154 srv.world/fedora-nginx:latest /usr/sbin/nginx -... About a minute ago Up About a minute 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp vibrant_benz 67ae261959a9 docker.io/library/mariadb:latest mariadbd 19 seconds ago Up 19 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp upbeat_galois
[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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