Podman : Pod を作成する2023/04/26 |
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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 e443fe08cd8341304d45d07f3443baa8c4c19505ee67b461c85d08eb10986d94 # 確認 [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS e443fe08cd83 test-pod Created 11 seconds ago 617b4301fc49 1 # pod の詳細を表示 [root@dlp ~]# podman pod inspect test-pod
{
"Id": "e443fe08cd8341304d45d07f3443baa8c4c19505ee67b461c85d08eb10986d94",
"Name": "test-pod",
"Created": "2023-04-26T13:37:39.321163073+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_e443fe08cd8341304d45d07f3443baa8c4c19505ee67b461c85d08eb10986d94.slice",
"CreateInfra": true,
"InfraContainerID": "617b4301fc49db5a14e8b84fe954bf5b33a202b6709403f1b278840f0334698a",
"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": "617b4301fc49db5a14e8b84fe954bf5b33a202b6709403f1b278840f0334698a",
"Name": "e443fe08cd83-infra",
"State": "created"
}
]
}
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 4.5.0-1681486942 aaf574b56683 51 seconds ago 1.11 MB srv.world/iproute latest 2e299c1e83df 6 minutes ago 392 MB localhost/root_web latest 0d673ea4df4c 2 hours ago 420 MB srv.world/fedora-nginx latest 97533117cdc8 3 hours ago 420 MB srv.world/fedora-httpd latest 51d32e13e2f4 3 hours ago 477 MB registry.fedoraproject.org/fedora latest c9bfca6d0ac2 6 days ago 196 MB dlp.srv.world:5000/fedora my-registry c9bfca6d0ac2 6 days ago 196 MB docker.io/library/mariadb latest 4a632f970181 5 weeks ago 407 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 309fd25e09ee1c908d687a126a461ec7c4f69233fc71bc0b826cd13ca4f0ca1f[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 617b4301fc49 localhost/podman-pause:4.5.0-1681486942 About a minute ago Up 9 seconds 0.0.0.0:8081->80/tcp e443fe08cd83-infra 309fd25e09ee srv.world/fedora-nginx:latest /usr/sbin/nginx -... 9 seconds ago Up 9 seconds 0.0.0.0:8081->80/tcp practical_goodall # 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 e443fe08cd8341304d45d07f3443baa8c4c19505ee67b461c85d08eb10986d94 # 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 e443fe08cd8341304d45d07f3443baa8c4c19505ee67b461c85d08eb10986d94 |
| [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 4.5.0-1681486942 aaf574b56683 2 minutes ago 1.11 MB srv.world/iproute latest 2e299c1e83df 8 minutes ago 392 MB localhost/root_web latest 0d673ea4df4c 2 hours ago 420 MB srv.world/fedora-nginx latest 97533117cdc8 3 hours ago 420 MB srv.world/fedora-httpd latest 51d32e13e2f4 3 hours ago 477 MB registry.fedoraproject.org/fedora latest c9bfca6d0ac2 6 days ago 196 MB dlp.srv.world:5000/fedora my-registry c9bfca6d0ac2 6 days ago 196 MB docker.io/library/mariadb latest 4a632f970181 5 weeks ago 407 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 f0c1386ee2700f1eef5f43bca5fd04b48b9fbff0b2354e24698ff70d7fd15ce4[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 908c335d840e test-pod2 Running 10 seconds ago 08968d3af9c6 2[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 08968d3af9c6 localhost/podman-pause:4.5.0-1681486942 27 seconds ago Up 27 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 908c335d840e-infra f0c1386ee270 srv.world/fedora-nginx:latest /usr/sbin/nginx -... 27 seconds ago Up 27 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp stoic_banzai # [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 04a69d9818a4644b06dcbeffe77445d9be12b1cf77018bb3592da4119791b9da[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 08968d3af9c6 localhost/podman-pause:4.5.0-1681486942 About a minute ago Up About a minute 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 908c335d840e-infra f0c1386ee270 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 stoic_banzai 04a69d9818a4 docker.io/library/mariadb:latest mariadbd 9 seconds ago Up 10 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp eloquent_poincare
[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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