Podman : Pod を作成する2024/05/03 |
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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 e90986e6116193a3ab84c90d51a63eabb991696622899e1c04f483d70223cfd5 # 確認 [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS e90986e61161 test-pod Created 15 seconds ago 74dd9de1cccf 1 # pod の詳細を表示 [root@dlp ~]# podman pod inspect test-pod
[
{
"Id": "e90986e6116193a3ab84c90d51a63eabb991696622899e1c04f483d70223cfd5",
"Name": "test-pod",
"Created": "2024-05-03T17:21:16.430892437+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_e90986e6116193a3ab84c90d51a63eabb991696622899e1c04f483d70223cfd5.slice",
"CreateInfra": true,
"InfraContainerID": "74dd9de1cccf8a8b7de83cff8083a4940f98a13e3c29e0bb63ded707454168b2",
"InfraConfig": {
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"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": "74dd9de1cccf8a8b7de83cff8083a4940f98a13e3c29e0bb63ded707454168b2",
"Name": "e90986e61161-infra",
"State": "created"
}
],
"LockNumber": 10
}
]
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 5.0.2-1713312000 93b49289d5db 2 minutes ago 742 kB srv.world/iproute latest dafe2df281ae 10 minutes ago 307 MB localhost/root_web latest 53d5fa92aef2 About an hour ago 340 MB srv.world/fedora-nginx latest cf5af4219b13 2 hours ago 340 MB srv.world/fedora-httpd latest 9d6d273370e2 2 hours ago 343 MB dlp.srv.world:5000/fedora my-registry 19f52f582331 3 hours ago 229 MB registry.fedoraproject.org/fedora latest 19f52f582331 3 hours ago 229 MB docker.io/library/mariadb latest 465bc4da7f09 2 months ago 411 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 547cc61eb1b9342b71eebbaa7329f624b8e21e3ec38bb79901a294caa29aa3f4[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 74dd9de1cccf localhost/podman-pause:5.0.2-1713312000 3 minutes ago Up 18 seconds 0.0.0.0:8081->80/tcp e90986e61161-infra 547cc61eb1b9 srv.world/fedora-nginx:latest /usr/sbin/nginx -... 17 seconds ago Up 18 seconds 0.0.0.0:8081->80/tcp bold_morse # 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 e90986e6116193a3ab84c90d51a63eabb991696622899e1c04f483d70223cfd5 # 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 e90986e6116193a3ab84c90d51a63eabb991696622899e1c04f483d70223cfd5 |
| [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 5.0.2-1713312000 93b49289d5db 4 minutes ago 742 kB srv.world/iproute latest dafe2df281ae 12 minutes ago 307 MB localhost/root_web latest 53d5fa92aef2 About an hour ago 340 MB srv.world/fedora-nginx latest cf5af4219b13 2 hours ago 340 MB srv.world/fedora-httpd latest 9d6d273370e2 2 hours ago 343 MB dlp.srv.world:5000/fedora my-registry 19f52f582331 3 hours ago 229 MB registry.fedoraproject.org/fedora latest 19f52f582331 3 hours ago 229 MB docker.io/library/mariadb latest 465bc4da7f09 2 months ago 411 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 8dcab2aa83c608b2486b562fc55eb6ca39fabe676f494619cd4348a176c180db[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 56f1b1035de2 test-pod2 Running 16 seconds ago adef50b5e6aa 2[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES adef50b5e6aa localhost/podman-pause:5.0.2-1713312000 41 seconds ago Up 41 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 56f1b1035de2-infra 8dcab2aa83c6 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 frosty_blackwell # [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 493f7d47fff1bc0802348ae033ae5758d37b8523dfe1792c879d1cdc95e4ee32[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES adef50b5e6aa localhost/podman-pause:5.0.2-1713312000 About a minute ago Up About a minute 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 56f1b1035de2-infra 8dcab2aa83c6 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 frosty_blackwell 493f7d47fff1 docker.io/library/mariadb:latest mariadbd 29 seconds ago Up 29 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp recursing_lewin
[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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