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Diffstat (limited to 'nixos/tests/containers-imperative.nix')
| -rw-r--r-- | nixos/tests/containers-imperative.nix | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/nixos/tests/containers-imperative.nix b/nixos/tests/containers-imperative.nix new file mode 100644 index 00000000000..14001657bee --- /dev/null +++ b/nixos/tests/containers-imperative.nix @@ -0,0 +1,166 @@ +import ./make-test-python.nix ({ pkgs, lib, ... }: { + name = "containers-imperative"; + meta = { + maintainers = with lib.maintainers; [ aristid aszlig eelco kampfschlaefer ]; + }; + + machine = + { config, pkgs, lib, ... }: + { imports = [ ../modules/installer/cd-dvd/channel.nix ]; + + # XXX: Sandbox setup fails while trying to hardlink files from the host's + # store file system into the prepared chroot directory. + nix.settings.sandbox = false; + nix.settings.substituters = []; # don't try to access cache.nixos.org + + virtualisation.writableStore = true; + # Make sure we always have all the required dependencies for creating a + # container available within the VM, because we don't have network access. + virtualisation.additionalPaths = let + emptyContainer = import ../lib/eval-config.nix { + inherit (config.nixpkgs.localSystem) system; + modules = lib.singleton { + containers.foo.config = { + system.stateVersion = "18.03"; + }; + }; + }; + in with pkgs; [ + stdenv stdenvNoCC emptyContainer.config.containers.foo.path + libxslt desktop-file-utils texinfo docbook5 libxml2 + docbook_xsl_ns xorg.lndir documentation-highlighter + ]; + }; + + testScript = let + tmpfilesContainerConfig = pkgs.writeText "container-config-tmpfiles" '' + { + systemd.tmpfiles.rules = [ "d /foo - - - - -" ]; + systemd.services.foo = { + serviceConfig.Type = "oneshot"; + script = "ls -al /foo"; + wantedBy = [ "multi-user.target" ]; + }; + } + ''; + brokenCfg = pkgs.writeText "broken.nix" '' + { + assertions = [ + { assertion = false; + message = "I never evaluate"; + } + ]; + } + ''; + in '' + with subtest("Make sure we have a NixOS tree (required by ‘nixos-container create’)"): + machine.succeed("PAGER=cat nix-env -qa -A nixos.hello >&2") + + id1, id2 = None, None + + with subtest("Create some containers imperatively"): + id1 = machine.succeed("nixos-container create foo --ensure-unique-name").rstrip() + machine.log(f"created container {id1}") + + id2 = machine.succeed("nixos-container create foo --ensure-unique-name").rstrip() + machine.log(f"created container {id2}") + + assert id1 != id2 + + with subtest(f"Put the root of {id2} into a bind mount"): + machine.succeed( + f"mv /var/lib/containers/{id2} /id2-bindmount", + f"mount --bind /id2-bindmount /var/lib/containers/{id1}", + ) + + ip1 = machine.succeed(f"nixos-container show-ip {id1}").rstrip() + ip2 = machine.succeed(f"nixos-container show-ip {id2}").rstrip() + assert ip1 != ip2 + + with subtest( + "Create a directory and a file we can later check if it still exists " + + "after destruction of the container" + ): + machine.succeed("mkdir /nested-bindmount") + machine.succeed("echo important data > /nested-bindmount/dummy") + + with subtest( + "Create a directory with a dummy file and bind-mount it into both containers." + ): + for id in id1, id2: + important_path = f"/var/lib/containers/{id}/very/important/data" + machine.succeed( + f"mkdir -p {important_path}", + f"mount --bind /nested-bindmount {important_path}", + ) + + with subtest("Start one of them"): + machine.succeed(f"nixos-container start {id1}") + + with subtest("Execute commands via the root shell"): + assert "Linux" in machine.succeed(f"nixos-container run {id1} -- uname") + + with subtest("Execute a nix command via the root shell. (regression test for #40355)"): + machine.succeed( + f"nixos-container run {id1} -- nix-instantiate -E " + + '\'derivation { name = "empty"; builder = "false"; system = "false"; }\' ' + ) + + with subtest("Stop and start (regression test for #4989)"): + machine.succeed(f"nixos-container stop {id1}") + machine.succeed(f"nixos-container start {id1}") + + # clear serial backlog for next tests + machine.succeed("logger eat console backlog 3ea46eb2-7f82-4f70-b810-3f00e3dd4c4d") + machine.wait_for_console_text( + "eat console backlog 3ea46eb2-7f82-4f70-b810-3f00e3dd4c4d" + ) + + with subtest("Stop a container early"): + machine.succeed(f"nixos-container stop {id1}") + machine.succeed(f"nixos-container start {id1} >&2 &") + machine.wait_for_console_text("Stage 2") + machine.succeed(f"nixos-container stop {id1}") + machine.wait_for_console_text(f"Container {id1} exited successfully") + machine.succeed(f"nixos-container start {id1}") + + with subtest("Stop a container without machined (regression test for #109695)"): + machine.systemctl("stop systemd-machined") + machine.succeed(f"nixos-container stop {id1}") + machine.wait_for_console_text(f"Container {id1} has been shut down") + machine.succeed(f"nixos-container start {id1}") + + with subtest("tmpfiles are present"): + machine.log("creating container tmpfiles") + machine.succeed( + "nixos-container create tmpfiles --config-file ${tmpfilesContainerConfig}" + ) + machine.log("created, starting…") + machine.succeed("nixos-container start tmpfiles") + machine.log("done starting, investigating…") + machine.succeed( + "echo $(nixos-container run tmpfiles -- systemctl is-active foo.service) | grep -q active;" + ) + machine.succeed("nixos-container destroy tmpfiles") + + with subtest("Execute commands via the root shell"): + assert "Linux" in machine.succeed(f"nixos-container run {id1} -- uname") + + with subtest("Destroy the containers"): + for id in id1, id2: + machine.succeed(f"nixos-container destroy {id}") + + with subtest("Check whether destruction of any container has killed important data"): + machine.succeed("grep -qF 'important data' /nested-bindmount/dummy") + + with subtest("Ensure that the container path is gone"): + print(machine.succeed("ls -lsa /var/lib/containers")) + machine.succeed(f"test ! -e /var/lib/containers/{id1}") + + with subtest("Ensure that a failed container creation doesn'leave any state"): + machine.fail( + "nixos-container create b0rk --config-file ${brokenCfg}" + ) + machine.succeed("test ! -e /var/lib/containers/b0rk") + ''; +}) |