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nixpkgs/nixos/tests/podman/default.nix

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Nix

# This test runs podman and checks if simple container starts
import ../make-test-python.nix (
{ pkgs, lib, ... }: {
name = "podman";
meta = {
maintainers = lib.teams.podman.members;
};
nodes = {
podman =
{ pkgs, ... }:
{
virtualisation.podman.enable = true;
# To test docker socket support
virtualisation.podman.dockerSocket.enable = true;
environment.systemPackages = [
pkgs.docker-client
];
users.users.alice = {
isNormalUser = true;
home = "/home/alice";
description = "Alice Foobar";
extraGroups = [ "podman" ];
};
users.users.mallory = {
isNormalUser = true;
home = "/home/mallory";
description = "Mallory Foobar";
};
};
};
testScript = ''
import shlex
def su_cmd(cmd, user = "alice"):
cmd = shlex.quote(cmd)
return f"su {user} -l -c {cmd}"
podman.wait_for_unit("sockets.target")
start_all()
with subtest("Run container as root with runc"):
podman.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
podman.succeed(
"podman run --runtime=runc -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
podman.succeed("podman ps | grep sleeping")
podman.succeed("podman stop sleeping")
podman.succeed("podman rm sleeping")
with subtest("Run container as root with crun"):
podman.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
podman.succeed(
"podman run --runtime=crun -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
podman.succeed("podman ps | grep sleeping")
podman.succeed("podman stop sleeping")
podman.succeed("podman rm sleeping")
with subtest("Run container as root with the default backend"):
podman.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
podman.succeed(
"podman run -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
podman.succeed("podman ps | grep sleeping")
podman.succeed("podman stop sleeping")
podman.succeed("podman rm sleeping")
# create systemd session for rootless
podman.succeed("loginctl enable-linger alice")
with subtest("Run container rootless with runc"):
podman.succeed(su_cmd("tar cv --files-from /dev/null | podman import - scratchimg"))
podman.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"
)
)
podman.succeed(su_cmd("podman ps | grep sleeping"))
podman.succeed(su_cmd("podman stop sleeping"))
podman.succeed(su_cmd("podman rm sleeping"))
with subtest("Run container rootless with crun"):
podman.succeed(su_cmd("tar cv --files-from /dev/null | podman import - scratchimg"))
podman.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"
)
)
podman.succeed(su_cmd("podman ps | grep sleeping"))
podman.succeed(su_cmd("podman stop sleeping"))
podman.succeed(su_cmd("podman rm sleeping"))
with subtest("Run container rootless with the default backend"):
podman.succeed(su_cmd("tar cv --files-from /dev/null | podman import - scratchimg"))
podman.succeed(
su_cmd(
"podman run -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10"
)
)
podman.succeed(su_cmd("podman ps | grep sleeping"))
podman.succeed(su_cmd("podman stop sleeping"))
podman.succeed(su_cmd("podman rm sleeping"))
with subtest("Run container with init"):
podman.succeed(
"tar cv -C ${pkgs.pkgsStatic.busybox} . | podman import - busybox"
)
pid = podman.succeed("podman run --rm busybox readlink /proc/self").strip()
assert pid == "1"
pid = podman.succeed("podman run --rm --init busybox readlink /proc/self").strip()
assert pid == "2"
with subtest("A podman member can use the docker cli"):
podman.succeed(su_cmd("docker version"))
with subtest("Run container via docker cli"):
podman.succeed("docker network create default")
podman.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
podman.succeed(
"docker run -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin localhost/scratchimg /bin/sleep 10"
)
podman.succeed("docker ps | grep sleeping")
podman.succeed("podman ps | grep sleeping")
podman.succeed("docker stop sleeping")
podman.succeed("docker rm sleeping")
podman.succeed("docker network rm default")
with subtest("A podman non-member can not use the docker cli"):
podman.fail(su_cmd("docker version", user="mallory"))
# TODO: add docker-compose test
'';
}
)