wikiv1:install_podman_oraclelinux
Table of Contents
Instalação no OracleLinux 8
Preparando a vm
Preparando uma partição exclusiva para os containers
$ sudo pvcreate /dev/sdb Physical volume "/dev/sdb" successfully created.
$ sudo pvdisplay /dev/sdb "/dev/sdb" is a new physical volume of "32,00 GiB" --- NEW Physical volume --- PV Name /dev/sdb VG Name PV Size 32,00 GiB Allocatable NO PE Size 0 Total PE 0 Free PE 0 Allocated PE 0 PV UUID GVq88k-0f2q-kN15-aH3d-iFc5-ONL0-Heqd65
$ sudo pvs /dev/sdb PV VG Fmt Attr PSize PFree /dev/sdb lvm2 --- 32,00g 32,00g
$ sudo vgcreate VGcontainers /dev/sdb Volume group "VGcontainers" successfully created
$ sudo vgdisplay VGcontainers --- Volume group --- VG Name VGcontainers System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 1 VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size <32,00 GiB PE Size 4,00 MiB Total PE 8191 Alloc PE / Size 0 / 0 Free PE / Size 8191 / <32,00 GiB VG UUID ICsUjz-MYdl-JVqo-W5gL-ICfR-MkiK-lnYKAU
$ sudo vgs VGcontainers VG #PV #LV #SN Attr VSize VFree VGcontainers 1 0 0 wz--n- <32,00g <32,00g
$ sudo lvcreate -l 100%FREE -n LVcontainers VGcontainers Logical volume "LVcontainers" created.
$ sudo lvdisplay /dev/VGcontainers/LVcontainers --- Logical volume --- LV Path /dev/VGcontainers/LVcontainers LV Name LVcontainers VG Name VGcontainers LV UUID SPTgNy-LXj7-KFWo-EcPC-bcrt-MsFO-1MD9kX LV Write Access read/write LV Creation host, time pa-mba-vm-01.juntotelecom.com.br, 2022-05-21 14:44:13 -0300 LV Status available # open 0 LV Size <32,00 GiB Current LE 8191 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:6
$ sudo lvs /dev/VGcontainers/LVcontainers LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert LVcontainers VGcontainers -wi-a----- <32,00g
$ sudo mkfs.xfs /dev/mapper/VGcontainers-LVcontainers meta-data=/dev/mapper/VGcontainers-LVcontainers isize=512 agcount=4, agsize=2096896 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=0 = reflink=1 bigtime=0 inobtcount=0 data = bsize=4096 blocks=8387584, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0, ftype=1 log =internal log bsize=4096 blocks=4095, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0
$ sudo mkdir /var/lib/containers $ UUID=`sudo blkid -o export /dev/mapper/VGcontainers-LVcontainers | grep UUID` $ sudo cp -p /etc/fstab{,.dist}
$ echo "${UUID} /var/lib/containers xfs defaults 1 2" | sudo tee -a /etc/fstab UUID=cc4940b4-6e8e-46fe-b43f-d631b237c320 /var/lib/containers xfs defaults 1 2
$ sudo mount /var/lib/containers
$ df -hT | grep containers /dev/mapper/VGcontainers-LVcontainers xfs 32G 261M 32G 1% /var/lib/containers
Instalando o podman
$ sudo dnf module install container-tools:ol8
$ sudo dnf install podman-plugins
$ for task in enable start is-active; do sudo systemctl ${task} dnsmasq; done
$ podman --help Manage pods, containers and images Usage: podman [options] [command] Available Commands: attach Attach to a running container auto-update Auto update containers according to their auto-update policy build Build an image using instructions from Containerfiles commit Create new image based on the changed container container Manage containers cp Copy files/folders between a container and the local filesystem create Create but do not start a container diff Display the changes to the object's file system events Show podman events exec Run a process in a running container export Export container's filesystem contents as a tar archive generate Generate structured data based on containers, pods or volumes healthcheck Manage health checks on containers help Help about any command history Show history of a specified image image Manage images images List images in local storage import Import a tarball to create a filesystem image info Display podman system information init Initialize one or more containers inspect Display the configuration of object denoted by ID kill Kill one or more running containers with a specific signal load Load image(s) from a tar archive login Login to a container registry logout Logout of a container registry logs Fetch the logs of one or more containers machine Manage a virtual machine manifest Manipulate manifest lists and image indexes mount Mount a working container's root filesystem network Manage networks pause Pause all the processes in one or more containers play Play containers, pods or volumes from a structured file pod Manage pods port List port mappings or a specific mapping for the container ps List containers pull Pull an image from a registry push Push an image to a specified destination rename Rename an existing container restart Restart one or more containers rm Remove one or more containers rmi Removes one or more images from local storage run Run a command in a new container save Save image(s) to an archive search Search registry for image secret Manage secrets start Start one or more containers stats Display a live stream of container resource usage statistics stop Stop one or more containers system Manage podman tag Add an additional name to a local image top Display the running processes of a container unmount Unmounts working container's root filesystem unpause Unpause the processes in one or more containers unshare Run a command in a modified user namespace untag Remove a name from a local image version Display the Podman version information volume Manage volumes wait Block on one or more containers Options: --cgroup-manager string Cgroup manager to use ("cgroupfs"|"systemd") (default "cgroupfs") --conmon string Path of the conmon binary -c, --connection string Connection to use for remote Podman service --events-backend string Events backend to use ("file"|"journald"|"none") (default "file") --help Help for podman --hooks-dir strings Set the OCI hooks directory path (may be set multiple times) (default [/usr/share/containers/oci/hooks.d]) --identity string path to SSH identity file, (CONTAINER_SSHKEY) --log-level string Log messages above specified level (trace, debug, info, warn, warning, error, fatal, panic) (default "warn") --namespace string Set the libpod namespace, used to create separate views of the containers and pods on the system --network-cmd-path string Path to the command for configuring the network --network-config-dir string Path of the configuration directory for networks --noout do not output to stdout -r, --remote Access remote Podman service --root string Path to the root directory in which data, including images, is stored --runroot string Path to the 'run directory' where all state information is stored --runtime string Path to the OCI-compatible binary used to run containers. (default "runc") --runtime-flag stringArray add global flags for the container runtime --storage-driver string Select which storage driver is used to manage storage of images and containers --storage-opt stringArray Used to pass an option to the storage driver --syslog Output logging information to syslog as well as the console (default false) --tmpdir string Path to the tmp directory for libpod state content. Note: use the environment variable 'TMPDIR' to change the temporary storage location for container images, '/var/tmp'. --url string URL to access Podman service (CONTAINER_HOST) (default "unix:/run/user/1000/podman/podman.sock") -v, --version version for podman
Podman compose
$ sudo curl -o /usr/local/bin/podman-compose https://raw.githubusercontent.com/containers/podman-compose/devel/podman_compose.py % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 94535 100 94535 0 0 274k 0 --:--:-- --:--:-- --:--:-- 274k
$ sudo chmod +x /usr/local/bin/podman-compose
$ sudo dnf install python3 python3-pyyaml $ sudo pip3 install python-dotenv
$ podman-compose --help podman-compose version: 1.0.4 usage: podman-compose [-h] [-v] [--no-pod] [--pod-args pod_args] [--env-file env_file] [-f file] [-p PROJECT_NAME] [--podman-path PODMAN_PATH] [--podman-args args] [--podman-pull-args args] [--podman-push-args args] [--podman-build-args args] [--podman-inspect-args args] [--podman-run-args args] [--podman-start-args args] [--podman-stop-args args] [--podman-rm-args args] [--podman-volume-args args] [--no-ansi] [--no-cleanup] [--dry-run] {help,version,wait,systemd,pull,push,build,up,down,ps,run,exec,start,stop,restart,logs,config,port} ... optional arguments: -h, --help show this help message and exit -v, --version show version --no-pod disable pod creation --pod-args pod_args custom arguments to be passed to `podman pod` --env-file env_file Specify an alternate environment file -f file, --file file Specify an alternate compose file (default: docker-compose.yml) -p PROJECT_NAME, --project-name PROJECT_NAME Specify an alternate project name (default: directory name) --podman-path PODMAN_PATH Specify an alternate path to podman (default: use location in $PATH variable) --podman-args args custom global arguments to be passed to `podman` --podman-pull-args args custom arguments to be passed to `podman pull` --podman-push-args args custom arguments to be passed to `podman push` --podman-build-args args custom arguments to be passed to `podman build` --podman-inspect-args args custom arguments to be passed to `podman inspect` --podman-run-args args custom arguments to be passed to `podman run` --podman-start-args args custom arguments to be passed to `podman start` --podman-stop-args args custom arguments to be passed to `podman stop` --podman-rm-args args custom arguments to be passed to `podman rm` --podman-volume-args args custom arguments to be passed to `podman volume` --no-ansi Do not print ANSI control characters --no-cleanup Do not stop and remove existing pod & containers --dry-run No action; perform a simulation of commands command: {help,version,wait,systemd,pull,push,build,up,down,ps,run,exec,start,stop,restart,logs,config,port} help show help version show version wait wait running containers to stop systemd create systemd unit file and register its compose stacks When first installed type `sudo podman-compose systemd -a create-unit` later you can add a compose stack by running `podman-compose systemd -a register` then you can start/stop your stack with `systemctl --user start podman-compose@<PROJ>` pull pull stack images push push stack images build build stack images up Create and start the entire stack or some of its services down tear down entire stack ps show status of containers run create a container similar to a service to run a one-off command exec execute a command in a running container start start specific services stop stop specific services restart restart specific services logs show logs from services config displays the compose file port Prints the public port for a port binding.
Referências
wikiv1/install_podman_oraclelinux.txt · Last modified: by 127.0.0.1