nixpkgs/nixos/tests/podman/default.nix
2024-05-31 16:02:15 +02:00

208 lines
8.4 KiB
Nix

import ../make-test-python.nix (
{ pkgs, lib, ... }:
let
quadletContainerFile = pkgs.writeText "quadlet.container" ''
[Unit]
Description=A test quadlet container
[Container]
Image=localhost/scratchimg:latest
Exec=bash -c 'trap exit SIGTERM SIGINT; while true; do sleep 1; done'
ContainerName=quadlet
Volume=/nix/store:/nix/store
Volume=/run/current-system/sw/bin:/bin
[Install]
WantedBy=default.target
'';
in
{
name = "podman";
meta = {
maintainers = lib.teams.podman.members;
};
nodes = {
rootful = { pkgs, ... }: {
virtualisation.podman.enable = true;
# hack to ensure that podman built with and without zfs in extraPackages is cached
boot.supportedFilesystems = [ "zfs" ];
networking.hostId = "00000000";
};
rootless = { pkgs, ... }: {
virtualisation.podman.enable = true;
users.users.alice = {
isNormalUser = true;
};
};
dns = { pkgs, ... }: {
virtualisation.podman.enable = true;
virtualisation.podman.defaultNetwork.settings.dns_enabled = true;
};
docker = { pkgs, ... }: {
virtualisation.podman.enable = true;
virtualisation.podman.dockerSocket.enable = true;
environment.systemPackages = [
pkgs.docker-client
];
users.users.alice = {
isNormalUser = true;
extraGroups = [ "podman" ];
};
users.users.mallory = {
isNormalUser = true;
};
};
};
testScript = ''
import shlex
def su_cmd(cmd, user = "alice"):
cmd = shlex.quote(cmd)
return f"su {user} -l -c {cmd}"
rootful.wait_for_unit("sockets.target")
rootless.wait_for_unit("sockets.target")
dns.wait_for_unit("sockets.target")
docker.wait_for_unit("sockets.target")
start_all()
with subtest("Run container as root with runc"):
rootful.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
rootful.succeed(
"podman run --runtime=runc -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
rootful.succeed("podman ps | grep sleeping")
rootful.succeed("podman stop sleeping")
rootful.succeed("podman rm sleeping")
with subtest("Run container as root with crun"):
rootful.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
rootful.succeed(
"podman run --runtime=crun -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
rootful.succeed("podman ps | grep sleeping")
rootful.succeed("podman stop sleeping")
rootful.succeed("podman rm sleeping")
with subtest("Run container as root with the default backend"):
rootful.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
rootful.succeed(
"podman run -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
rootful.succeed("podman ps | grep sleeping")
rootful.succeed("podman stop sleeping")
rootful.succeed("podman rm sleeping")
# start systemd session for rootless
rootless.succeed("loginctl enable-linger alice")
rootless.succeed(su_cmd("whoami"))
rootless.sleep(1)
with subtest("Run container rootless with runc"):
rootless.succeed(su_cmd("tar cv --files-from /dev/null | podman import - scratchimg"))
rootless.succeed(
su_cmd(
"podman run --runtime=runc -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
)
rootless.succeed(su_cmd("podman ps | grep sleeping"))
rootless.succeed(su_cmd("podman stop sleeping"))
rootless.succeed(su_cmd("podman rm sleeping"))
with subtest("Run container rootless with crun"):
rootless.succeed(su_cmd("tar cv --files-from /dev/null | podman import - scratchimg"))
rootless.succeed(
su_cmd(
"podman run --runtime=crun -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
)
rootless.succeed(su_cmd("podman ps | grep sleeping"))
rootless.succeed(su_cmd("podman stop sleeping"))
rootless.succeed(su_cmd("podman rm sleeping"))
with subtest("Run container rootless with the default backend"):
rootless.succeed(su_cmd("tar cv --files-from /dev/null | podman import - scratchimg"))
rootless.succeed(
su_cmd(
"podman run -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
)
rootless.succeed(su_cmd("podman ps | grep sleeping"))
rootless.succeed(su_cmd("podman stop sleeping"))
rootless.succeed(su_cmd("podman rm sleeping"))
with subtest("rootlessport"):
rootless.succeed(su_cmd("tar cv --files-from /dev/null | podman import - scratchimg"))
rootless.succeed(
su_cmd(
"podman run -d -p 9000:8888 --name=rootlessport -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin -w ${pkgs.writeTextDir "index.html" "<h1>Testing</h1>"} scratchimg ${pkgs.python3}/bin/python -m http.server 8888"
)
)
rootless.succeed(su_cmd("podman ps | grep rootlessport"))
rootless.wait_until_succeeds(su_cmd("${pkgs.curl}/bin/curl localhost:9000 | grep Testing"))
rootless.succeed(su_cmd("podman stop rootlessport"))
rootless.succeed(su_cmd("podman rm rootlessport"))
with subtest("Run container with init"):
rootful.succeed(
"tar cv -C ${pkgs.pkgsStatic.busybox} . | podman import - busybox"
)
pid = rootful.succeed("podman run --rm busybox readlink /proc/self").strip()
assert pid == "1"
pid = rootful.succeed("podman run --rm --init busybox readlink /proc/self").strip()
assert pid == "2"
with subtest("aardvark-dns"):
dns.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
dns.succeed(
"podman run -d --name=webserver -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin -w ${pkgs.writeTextDir "index.html" "<h1>Testing</h1>"} scratchimg ${pkgs.python3}/bin/python -m http.server 8000"
)
dns.succeed("podman ps | grep webserver")
dns.wait_until_succeeds(
"podman run --rm --name=client -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg ${pkgs.curl}/bin/curl http://webserver:8000 | grep Testing"
)
dns.succeed("podman stop webserver")
dns.succeed("podman rm webserver")
with subtest("A podman member can use the docker cli"):
docker.succeed(su_cmd("docker version"))
with subtest("Run container via docker cli"):
docker.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
docker.succeed(
"docker run -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin localhost/scratchimg /bin/sleep 10"
)
docker.succeed("docker ps | grep sleeping")
docker.succeed("podman ps | grep sleeping")
docker.succeed("docker stop sleeping")
docker.succeed("docker rm sleeping")
with subtest("A podman non-member can not use the docker cli"):
docker.fail(su_cmd("docker version", user="mallory"))
with subtest("A rootless quadlet container service is created"):
dir = "/home/alice/.config/containers/systemd"
rootless.succeed(su_cmd("tar cv --files-from /dev/null | podman import - scratchimg"))
rootless.succeed(su_cmd(f"mkdir -p {dir}"))
rootless.succeed(su_cmd(f"cp -f ${quadletContainerFile} {dir}/quadlet.container"))
rootless.systemctl("daemon-reload", "alice")
rootless.systemctl("start quadlet", "alice")
rootless.wait_until_succeeds(su_cmd("podman ps | grep quadlet"), timeout=20)
rootless.systemctl("stop quadlet", "alice")
# TODO: add docker-compose test
'';
}
)