Podman : Create Pods2019/11/19 |
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Create Pods like Kubernetes.
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| [1] | Create a Pod and add a Container to it. |
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# create a empty pod # -p [bind port] -n [pod name] [root@dlp ~]# podman pod create -p 8081:80 -n test_pod 3349e0aaac57307380fa81fa80cd8e727f51cd7f6e1047b97541d3072784207e # show pods [root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED # OF CONTAINERS INFRA ID 3349e0aaac57 test_pod Created 11 seconds ago 1 c9a6bebd4f1b # show details of pod [root@dlp ~]# podman pod inspect test_pod
{
"Config": {
"id": "3349e0aaac57307380fa81fa80cd8e727f51cd7f6e1047b97541d3072784207e",
"name": "test_pod",
"hostname": "test_pod",
"labels": {
},
"cgroupParent": "machine.slice",
"sharesCgroup": true,
"sharesIpc": true,
"sharesNet": true,
"sharesUts": true,
"infraConfig": {
"makeInfraContainer": true,
"infraPortBindings": [
{
"hostPort": 8081,
"containerPort": 80,
"protocol": "tcp",
"hostIP": ""
}
]
},
"created": "2019-11-18T17:27:32.918242268+09:00",
"lockID": 11
},
"State": {
"cgroupPath": "machine.slice/machine-libpod_pod_3349e0aaac57307380fa81fa80cd8e727f51cd7f6e1047b97541d3072784207e.slice",
"infraContainerID": "c9a6bebd4f1b6feaf92a95ba409bd3503796559ba4b60bf7dcb9312fd66d31fd"
},
"Containers": [
{
"id": "c9a6bebd4f1b6feaf92a95ba409bd3503796559ba4b60bf7dcb9312fd66d31fd",
"state": "configured"
}
]
}
[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE srv.world/nginx_server latest 0311ace27400 31 minutes ago 991 MB dlp.srv.world:5000/nginx_server latest 0311ace27400 31 minutes ago 991 MB srv.world/fedora_httpd latest bb6f86826d3f 38 minutes ago 622 MB docker.io/library/fedora latest f0858ad3febd 2 weeks ago 201 MB docker.io/library/registry 2 f32a97de94e1 8 months ago 26.4 MB k8s.gcr.io/pause 3.1 da86e6ba6ca1 23 months ago 747 kB # run container and add it to pod [root@dlp ~]# podman run -dt --pod test_pod srv.world/nginx_server a7630de75892e339a1b5b757d3a6023698cf712b28bd5de0dd759a692bdf85f2[root@dlp ~]# podman ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES a7630de75892 srv.world/nginx_server:latest /usr/sbin/nginx -... 9 seconds ago Up 8 seconds ago 0.0.0.0:8081->80/tcp vigilant_darwin ..... ..... # verisy accesses [root@dlp ~]# curl localhost:8081 Podman Test on Nginx # stop pod [root@dlp ~]# podman pod stop test_pod 3349e0aaac57307380fa81fa80cd8e727f51cd7f6e1047b97541d3072784207e # remove pod (removed containers all) [root@dlp ~]# podman pod rm test_pod --force 3349e0aaac57307380fa81fa80cd8e727f51cd7f6e1047b97541d3072784207e |
| [2] | It's possbile to create Pod and add Container with one command. |
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[root@dlp ~]# podman images REPOSITORY TAG IMAGE ID CREATED SIZE srv.world/nginx_server latest 0311ace27400 32 minutes ago 991 MB dlp.srv.world:5000/nginx_server latest 0311ace27400 32 minutes ago 991 MB srv.world/fedora_httpd latest bb6f86826d3f 39 minutes ago 622 MB docker.io/library/fedora latest f0858ad3febd 2 weeks ago 201 MB docker.io/library/registry 2 f32a97de94e1 8 months ago 26.4 MB k8s.gcr.io/pause 3.1 da86e6ba6ca1 23 months ago 747 kB # create a [test_pod2] pod and run Container [root@dlp ~]# podman run -dt --pod new:test_pod2 -p 80:80 -p 3306:3306 srv.world/nginx_server 5209746a4575032bedf78ddd8ef53976cd3919aa205313ac5e85d7039830a3bb[root@dlp ~]# podman pod ls POD ID NAME STATUS CREATED # OF CONTAINERS INFRA ID 59d6939ba113 test_pod2 Running 9 seconds ago 2 18c1eab24444[root@dlp ~]# podman ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 5209746a4575 srv.world/nginx_server:latest /usr/sbin/nginx -... 23 seconds ago Up 23 seconds ago 0.0.0.0:80->80/tcp stupefied_haibt ..... .....[root@dlp ~]# podman run -dt --pod test_pod2 -e MYSQL_ROOT_PASSWORD=Password mariadb e9879b44d1e6aa094aa46d114fd2d7f5822632de4b14f2dcfcd51d011c695340[root@dlp ~]# podman ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e9879b44d1e6 docker.io/library/mariadb:latest mysqld 15 seconds ago Up 15 seconds ago 0.0.0.0:80->80/tcp naughty_jang 5209746a4575 srv.world/nginx_server:latest /usr/sbin/nginx -... About a minute ago Up About a minute ago 0.0.0.0:80->80/tcp stupefied_haibt 18c1eab24444 k8s.gcr.io/pause:3.1 About a minute ago Up About a minute ago 0.0.0.0:80->80/tcp 59d6939ba113-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 | test_pod2 | +---------------+-----------+ |
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