Podman : Pod を作成する2025/04/25 |
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Kubernetes でおなじみの Pod も Podman で作成可能です。 |
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| [1] | Pod を作成してコンテナーを追加します。 |
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# 空の pod を新規作成 # -p [バインドするポート] -n [pod の名前] [root@dlp ~]# podman pod create -p 8081:80 -n test-pod 51d5a9940ddb628d19d27c5b78adf6287337ba61bde4a6eed81dcdcc9c69972b # 確認 [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 51d5a9940ddb test-pod Created 6 minutes ago de8cd739632a 1 # pod の詳細を表示 [root@dlp ~]# podman pod inspect test-pod
[
{
"Id": "51d5a9940ddb628d19d27c5b78adf6287337ba61bde4a6eed81dcdcc9c69972b",
"Name": "test-pod",
"Created": "2025-04-25T16:32:40.756464525+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_51d5a9940ddb628d19d27c5b78adf6287337ba61bde4a6eed81dcdcc9c69972b.slice",
"CreateInfra": true,
"InfraContainerID": "de8cd739632a1e816e20663e67da067e4e770ae95306f66172a2e0b2fb43a337",
"InfraConfig": {
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "8081"
}
]
},
"HostNetwork": false,
"StaticIP": "",
"StaticMAC": "",
"NoManageResolvConf": false,
"DNSServer": null,
"DNSSearch": null,
"DNSOption": null,
"NoManageHostname": false,
"NoManageHosts": false,
"HostAdd": null,
"HostsFile": "",
"Networks": [
"podman"
],
"NetworkOptions": null,
"pid_ns": "private",
"userns": "host",
"uts_ns": "private"
},
"SharedNamespaces": [
"uts",
"ipc",
"net"
],
"NumContainers": 1,
"Containers": [
{
"Id": "de8cd739632a1e816e20663e67da067e4e770ae95306f66172a2e0b2fb43a337",
"Name": "51d5a9940ddb-infra",
"State": "created"
}
],
"LockNumber": 9
}
]
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 5.4.2-1743552000 44beb5bc0a3a 8 minutes ago 776 kB srv.world/iproute latest aa9549af2c42 2 hours ago 258 MB docker.io/library/root-web latest 6b8099ee8b9d 2 hours ago 325 MB srv.world/fedora-nginx latest ad26e76247bd 3 hours ago 325 MB srv.world/fedora-httpd latest 512d39041a55 3 hours ago 328 MB registry.fedoraproject.org/fedora latest e5bf03515e92 25 hours ago 166 MB docker.io/library/mariadb latest 9f3d79eba61e 2 months ago 334 MB # コンテナーを起動して pod に追加する [root@dlp ~]# podman run -dt --pod test-pod srv.world/fedora-nginx 1ac71ca46ffa56e3eed1f60f8479f06aef4ddb2e4f510e9e95ca6aadf7423dc8[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES de8cd739632a localhost/podman-pause:5.4.2-1743552000 9 minutes ago Up 21 seconds 0.0.0.0:8081->80/tcp 51d5a9940ddb-infra 1ac71ca46ffa srv.world/fedora-nginx:latest /usr/sbin/nginx -... 21 seconds ago Up 21 seconds 0.0.0.0:8081->80/tcp relaxed_kowalevski # アクセス確認 [root@dlp ~]# curl localhost:8081 Podman Test on Nginx # pod を停止する [root@dlp ~]# podman pod stop test-pod test-pod # pod を削除する (コンテナーも含めて強制削除) [root@dlp ~]# podman pod rm test-pod --force 51d5a9940ddb628d19d27c5b78adf6287337ba61bde4a6eed81dcdcc9c69972b |
| [2] | Pod の作成とコンテナーの追加を同時に実行することもできます。 |
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[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 5.4.2-1743552000 44beb5bc0a3a 10 minutes ago 776 kB srv.world/iproute latest aa9549af2c42 2 hours ago 258 MB docker.io/library/root-web latest 6b8099ee8b9d 2 hours ago 325 MB srv.world/fedora-nginx latest ad26e76247bd 3 hours ago 325 MB srv.world/fedora-httpd latest 512d39041a55 3 hours ago 328 MB registry.fedoraproject.org/fedora latest e5bf03515e92 25 hours ago 166 MB docker.io/library/mariadb latest 9f3d79eba61e 2 months ago 334 MB # [test-pod2] を新規作成して [srv.world/fedora-nginx] コンテナーを追加する [root@dlp ~]# podman run -dt --pod new:test-pod2 -p 80:80 -p 3306:3306 srv.world/fedora-nginx b5950641922b3a5511d67b3927a182fe95935447be34e9680005d09e5d54cbeb[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 32aaa3b80f9c test-pod2 Running 22 seconds ago f7efddd2e7cd 2[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES f7efddd2e7cd localhost/podman-pause:5.4.2-1743552000 41 seconds ago Up 41 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 32aaa3b80f9c-infra b5950641922b srv.world/fedora-nginx:latest /usr/sbin/nginx -... 41 seconds ago Up 41 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp eager_nash # [mariadb] コンテナーを起動して [test-pod2] に追加する [root@dlp ~]# podman run -dt --pod test-pod2 -e MYSQL_ROOT_PASSWORD=Password docker.io/library/mariadb 83e2f0f75ed8d3d1cc6cb5e2fb23f70cf2b94e69a77768a873828c07f004aa3c[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES f7efddd2e7cd localhost/podman-pause:5.4.2-1743552000 About a minute ago Up About a minute 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 32aaa3b80f9c-infra b5950641922b 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 eager_nash 83e2f0f75ed8 docker.io/library/mariadb:latest mariadbd 17 seconds ago Up 18 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp suspicious_almeida
[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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