Podman : Pod を作成する2023/06/21 |
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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 20889920c2fc33fd8fc73cafdf98d23d069b4e33654ca247c9a84fbfd90e4ef1 # 確認 root@dlp:~# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 20889920c2fc test-pod Created 14 seconds ago 89a87cf6104a 1 # pod の詳細を表示 root@dlp:~# podman pod inspect test-pod
{
"Id": "20889920c2fc33fd8fc73cafdf98d23d069b4e33654ca247c9a84fbfd90e4ef1",
"Name": "test-pod",
"Created": "2023-06-20T19:33:28.99473824-05:00",
"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_20889920c2fc33fd8fc73cafdf98d23d069b4e33654ca247c9a84fbfd90e4ef1.slice",
"CreateInfra": true,
"InfraContainerID": "89a87cf6104aabe45e703c43b7ca981f854e49eb16cbd1f335af527f3f1b2c9b",
"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": "89a87cf6104aabe45e703c43b7ca981f854e49eb16cbd1f335af527f3f1b2c9b",
"Name": "20889920c2fc-infra",
"State": "created"
}
]
}
root@dlp:~# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 4.3.1-0 27bd47a0cfe1 About a minute ago 776 kB localhost/root_web latest 95ff1ec2c79f 7 minutes ago 158 MB srv.world/iproute latest e5a651fe23a6 20 minutes ago 157 MB srv.world/debian-nginx latest e2938e55cf7c 50 minutes ago 158 MB srv.world/debian-apache2 latest f047c6f28c56 57 minutes ago 260 MB docker.io/library/mariadb latest 99833200524a 4 days ago 410 MB docker.io/library/registry 2 4bb5ea59f8e0 5 days ago 24.6 MB docker.io/library/debian latest 49081a1edb0b 8 days ago 121 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/debian-nginx 3b83a201ea392b46777e7481eed9831ec8e3f261685946aa2ab7f0aab3af402aroot@dlp:~# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 89a87cf6104a localhost/podman-pause:4.3.1-0 About a minute ago Up 10 seconds ago 0.0.0.0:8081->80/tcp 20889920c2fc-infra 3b83a201ea39 srv.world/debian-nginx:latest /usr/sbin/nginx -... 9 seconds ago Up 10 seconds ago 0.0.0.0:8081->80/tcp sweet_dijkstra # 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 20889920c2fc33fd8fc73cafdf98d23d069b4e33654ca247c9a84fbfd90e4ef1 # 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 20889920c2fc33fd8fc73cafdf98d23d069b4e33654ca247c9a84fbfd90e4ef1 |
| [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 4.3.1-0 27bd47a0cfe1 2 minutes ago 776 kB localhost/root_web latest 95ff1ec2c79f 8 minutes ago 158 MB srv.world/iproute latest e5a651fe23a6 22 minutes ago 157 MB srv.world/debian-nginx latest e2938e55cf7c 52 minutes ago 158 MB srv.world/debian-apache2 latest f047c6f28c56 59 minutes ago 260 MB docker.io/library/mariadb latest 99833200524a 4 days ago 410 MB docker.io/library/registry 2 4bb5ea59f8e0 5 days ago 24.6 MB docker.io/library/debian latest 49081a1edb0b 8 days ago 121 MB # [test-pod2] を新規作成して [srv.world/centos-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/debian-nginx 8aef8c0efd44a4401341fac197e8d6bda1be3dfb49fbcaab7a3b2ee19b5a62d5root@dlp:~# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 598975654d31 test-pod2 Running 13 seconds ago f2ed58888a2f 2root@dlp:~# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES f2ed58888a2f localhost/podman-pause:4.3.1-0 31 seconds ago Up 32 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 598975654d31-infra 8aef8c0efd44 srv.world/debian-nginx:latest /usr/sbin/nginx -... 31 seconds ago Up 32 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp sad_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 0e6342196221de2a74c7a5f40e754846717d9e6aede58e12cdef7f100db08278root@dlp:~# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES f2ed58888a2f localhost/podman-pause:4.3.1-0 About a minute ago Up About a minute ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 598975654d31-infra 8aef8c0efd44 srv.world/debian-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 sad_blackwell 0e6342196221 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 friendly_yalow
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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