depot/third_party/nixpkgs/nixos/tests/cntr.nix
Default email 159e378cbb Project import generated by Copybara.
GitOrigin-RevId: c04d5652cfa9742b1d519688f65d1bbccea9eb7e
2024-09-19 17:19:46 +03:00

75 lines
2.6 KiB
Nix

# Test for cntr tool
{ system ? builtins.currentSystem, config ? { }
, pkgs ? import ../.. { inherit system config; }, lib ? pkgs.lib }:
let
inherit (import ../lib/testing-python.nix { inherit system pkgs; }) makeTest;
mkOCITest = backend:
makeTest {
name = "cntr-${backend}";
meta = { maintainers = with lib.maintainers; [ sorki mic92 ]; };
nodes = {
${backend} = { pkgs, ... }: {
environment.systemPackages = [ pkgs.cntr ];
virtualisation.oci-containers = {
inherit backend;
containers.nginx = {
image = "nginx-container";
imageStream = pkgs.dockerTools.examples.nginxStream;
ports = [ "8181:80" ];
};
};
};
};
testScript = ''
start_all()
${backend}.wait_for_unit("${backend}-nginx.service")
${backend}.wait_for_open_port(8181)
# For some reason, the cntr command hangs when run without the &.
# As such, we have to do some messy things to ensure we check the exitcode and output in a race-condition-safe manner
${backend}.execute(
"(cntr attach -t ${backend} nginx sh -- -c 'curl localhost | grep Hello' > /tmp/result; echo $? > /tmp/exitcode; touch /tmp/done) &"
)
${backend}.wait_for_file("/tmp/done")
assert "0" == ${backend}.succeed("cat /tmp/exitcode").strip(), "non-zero exit code"
assert "Hello" in ${backend}.succeed("cat /tmp/result"), "no greeting in output"
'';
};
mkContainersTest = makeTest {
name = "cntr-containers";
meta = with pkgs.lib.maintainers; { maintainers = [ sorki mic92 ]; };
nodes.machine = { lib, ... }: {
environment.systemPackages = [ pkgs.cntr ];
containers.test = {
autoStart = true;
privateNetwork = true;
hostAddress = "172.16.0.1";
localAddress = "172.16.0.2";
config = { };
};
};
testScript = ''
machine.start()
machine.wait_for_unit("container@test.service")
# I haven't observed the same hanging behaviour in this version as in the OCI version which necessetates this messy invocation, but it's probably better to be safe than sorry and use it here as well
machine.execute(
"(cntr attach test sh -- -c 'ping -c5 172.16.0.1'; echo $? > /tmp/exitcode; touch /tmp/done) &"
)
machine.wait_for_file("/tmp/done")
assert "0" == machine.succeed("cat /tmp/exitcode").strip(), "non-zero exit code"
'';
};
in {
nixos-container = mkContainersTest;
} // (lib.foldl' (attrs: backend: attrs // { ${backend} = mkOCITest backend; })
{ } [ "docker" "podman" ])