Podman : Pod を作成する2024/11/06 |
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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 8edc163d3934fac3e8017d50cce5d23e8c7fb2b4ccd1ea3eb39abecb28dbe68f # 確認 [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 8edc163d3934 test-pod Created 15 seconds ago 74c40763447c 1 # pod の詳細を表示 [root@dlp ~]# podman pod inspect test-pod
[
{
"Id": "8edc163d3934fac3e8017d50cce5d23e8c7fb2b4ccd1ea3eb39abecb28dbe68f",
"Name": "test-pod",
"Created": "2024-11-06T10:08:22.952032622+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_8edc163d3934fac3e8017d50cce5d23e8c7fb2b4ccd1ea3eb39abecb28dbe68f.slice",
"CreateInfra": true,
"InfraContainerID": "74c40763447c56fc99baf0b1f1573e70d7934b5146ce202f57de4ebc64a83aa0",
"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": [
"ipc",
"net",
"uts"
],
"NumContainers": 1,
"Containers": [
{
"Id": "74c40763447c56fc99baf0b1f1573e70d7934b5146ce202f57de4ebc64a83aa0",
"Name": "8edc163d3934-infra",
"State": "created"
}
],
"LockNumber": 9
}
]
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/podman-pause 5.2.5-1729209600 64b1ac1938a3 About a minute ago 758 kB srv.world/iproute latest 84acd2cc8c75 7 minutes ago 250 MB docker.io/library/root-web latest b38a153fb7b0 25 minutes ago 316 MB srv.world/fedora-nginx latest cb2e14e1465e 58 minutes ago 316 MB srv.world/fedora-httpd latest 4dfbd95b4ef6 About an hour ago 319 MB registry.fedoraproject.org/fedora latest 99519fcf3c1b 18 hours ago 163 MB docker.io/library/mariadb latest 4b8711c6c639 2 months ago 413 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 224f2fa06a63a3b42f458deb0f96ed493e5303aee1a834f52711b789d904798c[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 74c40763447c localhost/podman-pause:5.2.5-1729209600 2 minutes ago Up 22 seconds 0.0.0.0:8081->80/tcp 8edc163d3934-infra 224f2fa06a63 srv.world/fedora-nginx:latest /usr/sbin/nginx -... 21 seconds ago Up 22 seconds 0.0.0.0:8081->80/tcp practical_payne # 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 8edc163d3934fac3e8017d50cce5d23e8c7fb2b4ccd1ea3eb39abecb28dbe68f |
| [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 5.2.5-1729209600 64b1ac1938a3 3 minutes ago 758 kB srv.world/iproute latest 84acd2cc8c75 10 minutes ago 250 MB docker.io/library/root-web latest b38a153fb7b0 27 minutes ago 316 MB srv.world/fedora-nginx latest cb2e14e1465e About an hour ago 316 MB srv.world/fedora-httpd latest 4dfbd95b4ef6 About an hour ago 319 MB registry.fedoraproject.org/fedora latest 99519fcf3c1b 18 hours ago 163 MB docker.io/library/mariadb latest 4b8711c6c639 2 months ago 413 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 3c2cdac3fe7ed942d866f78081a95c5a63f38f169a4df6e23444265473edefd3[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED INFRA ID # OF CONTAINERS 81eec718b5c0 test-pod2 Running 17 seconds ago 999ceea9c7b3 2[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 999ceea9c7b3 localhost/podman-pause:5.2.5-1729209600 38 seconds ago Up 38 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 81eec718b5c0-infra 3c2cdac3fe7e srv.world/fedora-nginx:latest /usr/sbin/nginx -... 38 seconds ago Up 38 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp gallant_poincare # [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 529b7d2c1e46be99bd685a1c2659df99f5db84e6f835874a0efd1b0fe92a48ba[root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 999ceea9c7b3 localhost/podman-pause:5.2.5-1729209600 About a minute ago Up About a minute 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp 81eec718b5c0-infra 3c2cdac3fe7e 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 gallant_poincare 529b7d2c1e46 docker.io/library/mariadb:latest mariadbd 14 seconds ago Up 15 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp compassionate_hertz
[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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