Podman : Pod を作成する2019/10/11 |
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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 d688dbff0b271ad2fbefbfdc9259509d8877572f95983bb3f2f6b57b253bc074 # 確認 [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED # OF CONTAINERS INFRA ID d688dbff0b27 test_pod Running About a minute ago 1 c2dffc8dbcfa # pod の詳細を表示 [root@dlp ~]# podman pod inspect test_pod
{
"Config": {
"id": "d688dbff0b271ad2fbefbfdc9259509d8877572f95983bb3f2f6b57b253bc074",
"name": "test_pod",
"labels": null,
"cgroupParent": "machine.slice",
"sharesCgroup": true,
"sharesIpc": true,
"sharesNet": true,
"sharesUts": true,
"infraConfig": {
"makeInfraContainer": true,
"infraPortBindings": [
{
"hostPort": 8081,
"containerPort": 80,
"protocol": "tcp",
"hostIP": ""
}
]
},
"created": "2019-10-11T14:38:06.494546769+09:00"
},
"State": {
"cgroupPath": "machine.slice/machine-libpod_pod_d688dbff0b271ad2fbefbfdc9259509d8877572f95983bb3f2f6b57b253bc074.slice",
"infraContainerID": "c2dffc8dbcfae4662d844ae222b6d2f92e1791ac1f759b1cb51feb2aaae75dfe"
},
"Containers": [
{
"id": "c2dffc8dbcfae4662d844ae222b6d2f92e1791ac1f759b1cb51feb2aaae75dfe",
"state": "running"
}
]
}
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE srv.world/nginx_server latest 41c48e1d2421 15 hours ago 308 MB srv.world/centos_httpd latest 67edc4066f76 21 hours ago 368 MB docker.io/library/centos latest 0f3e07c0138f 9 days ago 227 MB docker.io/library/registry 2 f32a97de94e1 7 months ago 26.4 MB quay.io/libpod/alpine_nginx latest 3ef70f7291f4 11 months ago 9.21 MB k8s.gcr.io/pause 3.1 da86e6ba6ca1 21 months ago 747 kB # 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/nginx_server 924aff9ec480aa2e2b611b4c16e7df85f1ffb8d045dce946fbc53367ea99f264[root@dlp ~]# podman ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 924aff9ec480 srv.world/nginx_server:latest /usr/sbin/nginx -... 4 minutes ago Up 4 minutes ago zen_keller c2dffc8dbcfa k8s.gcr.io/pause:3.1 11 minutes ago Up 11 minutes ago 0.0.0.0:8081->80/tcp d688dbff0b27-infra # 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 d688dbff0b271ad2fbefbfdc9259509d8877572f95983bb3f2f6b57b253bc074 # 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 d688dbff0b271ad2fbefbfdc9259509d8877572f95983bb3f2f6b57b253bc074 |
| [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 srv.world/nginx_server latest 41c48e1d2421 15 hours ago 308 MB srv.world/centos_httpd latest 67edc4066f76 22 hours ago 368 MB docker.io/library/centos latest 0f3e07c0138f 9 days ago 227 MB docker.io/library/registry 2 f32a97de94e1 7 months ago 26.4 MB quay.io/libpod/alpine_nginx latest 3ef70f7291f4 11 months ago 9.21 MB k8s.gcr.io/pause 3.1 da86e6ba6ca1 21 months ago 747 kB # [test_pod2] pod の新規作成と コンテナーの起動 & pod への追加を同時に行う [root@dlp ~]# podman run -dt --pod new:test_pod2 -p 80:80 -p 3306:3306 srv.world/nginx_server 7155112d6c1993949c230719ee1f5239266e95dabda1c6746e60cca30867935d[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED # OF CONTAINERS INFRA ID a3c2dae83c3f test_pod2 Running 11 seconds ago 2 f38a5347001b[root@dlp ~]# podman ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 7155112d6c19 srv.world/nginx_server:latest /usr/sbin/nginx -... 19 seconds ago Up 19 seconds ago dazzling_bassi f38a5347001b k8s.gcr.io/pause:3.1 19 seconds ago Up 19 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp a3c2dae83c3f-infra[root@dlp ~]# podman run -dt --pod test_pod2 -e MYSQL_ROOT_PASSWORD=Password mariadb 62a8fdaefec08e0cfa7a08e1a9ccdcd07cc39ea4ae5279dbe1e0774ac8305488[root@dlp ~]# podman ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 62a8fdaefec0 docker.io/library/mariadb:latest docker-entrypoint... 12 seconds ago Up 11 seconds ago keen_franklin 7155112d6c19 srv.world/nginx_server:latest /usr/sbin/nginx -... 50 seconds ago Up 50 seconds ago dazzling_bassi f38a5347001b k8s.gcr.io/pause:3.1 50 seconds ago Up 50 seconds ago 0.0.0.0:80->80/tcp, 0.0.0.0:3306->3306/tcp a3c2dae83c3f-infra
[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 | 62a8fdaefec0 | +---------------+--------------+ |
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