/* This test runs podman as a backend for the Docker CLI. */ import ../make-test-python.nix ( { pkgs, lib, ... }: let gen-ca = pkgs.writeScript "gen-ca" '' # Create CA PATH="${pkgs.openssl}/bin:$PATH" openssl genrsa -out ca-key.pem 4096 openssl req -new -x509 -days 365 -key ca-key.pem -sha256 -subj '/C=NL/ST=Zuid-Holland/L=The Hague/O=Stevige Balken en Planken B.V./OU=OpSec/CN=Certificate Authority' -out ca.pem # Create service openssl genrsa -out podman-key.pem 4096 openssl req -subj '/CN=podman' -sha256 -new -key podman-key.pem -out service.csr echo subjectAltName = DNS:podman,IP:127.0.0.1 >> extfile.cnf echo extendedKeyUsage = serverAuth >> extfile.cnf openssl x509 -req -days 365 -sha256 -in service.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out podman-cert.pem -extfile extfile.cnf # Create client openssl genrsa -out client-key.pem 4096 openssl req -subj '/CN=client' -new -key client-key.pem -out client.csr echo extendedKeyUsage = clientAuth > extfile-client.cnf openssl x509 -req -days 365 -sha256 -in client.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out client-cert.pem -extfile extfile-client.cnf # Create CA 2 PATH="${pkgs.openssl}/bin:$PATH" openssl genrsa -out ca-2-key.pem 4096 openssl req -new -x509 -days 365 -key ca-2-key.pem -sha256 -subj '/C=NL/ST=Zuid-Holland/L=The Hague/O=Stevige Balken en Planken B.V./OU=OpSec/CN=Certificate Authority' -out ca-2.pem # Create client signed by CA 2 openssl genrsa -out client-2-key.pem 4096 openssl req -subj '/CN=client' -new -key client-2-key.pem -out client-2.csr echo extendedKeyUsage = clientAuth > extfile-client.cnf openssl x509 -req -days 365 -sha256 -in client-2.csr -CA ca-2.pem -CAkey ca-2-key.pem -CAcreateserial -out client-2-cert.pem -extfile extfile-client.cnf ''; in { name = "podman-tls-ghostunnel"; meta = { maintainers = lib.teams.podman.members ++ [ lib.maintainers.roberth ]; }; nodes = { podman = { pkgs, ... }: { virtualisation.podman.enable = true; virtualisation.podman.dockerSocket.enable = true; virtualisation.podman.networkSocket = { enable = true; openFirewall = true; server = "ghostunnel"; tls.cert = "/root/podman-cert.pem"; tls.key = "/root/podman-key.pem"; tls.cacert = "/root/ca.pem"; }; environment.systemPackages = [ pkgs.docker-client ]; users.users.alice = { isNormalUser = true; home = "/home/alice"; description = "Alice Foobar"; extraGroups = ["podman"]; }; }; client = { ... }: { environment.systemPackages = [ # Installs the docker _client_ only # Normally, you'd want `virtualisation.docker.enable = true;`. pkgs.docker-client ]; environment.variables.DOCKER_HOST = "podman:2376"; environment.variables.DOCKER_TLS_VERIFY = "1"; }; }; testScript = '' import shlex def su_cmd(user, cmd): cmd = shlex.quote(cmd) return f"su {user} -l -c {cmd}" def cmd(command): print(f"+{command}") r = os.system(command) if r != 0: raise Exception(f"Command {command} failed with exit code {r}") start_all() cmd("${gen-ca}") podman.copy_from_host("ca.pem", "/root/ca.pem") podman.copy_from_host("podman-cert.pem", "/root/podman-cert.pem") podman.copy_from_host("podman-key.pem", "/root/podman-key.pem") client.copy_from_host("ca.pem", "/root/.docker/ca.pem") # client.copy_from_host("podman-cert.pem", "/root/podman-cert.pem") client.copy_from_host("client-cert.pem", "/root/.docker/cert.pem") client.copy_from_host("client-key.pem", "/root/.docker/key.pem") # TODO (ghostunnel): add file watchers so the restart isn't necessary podman.succeed("systemctl reset-failed && systemctl restart ghostunnel-server-podman-socket.service") podman.wait_for_unit("sockets.target") podman.wait_for_unit("ghostunnel-server-podman-socket.service") with subtest("Create default network"): podman.succeed("docker network create default") with subtest("Root docker cli also works"): podman.succeed("docker version") with subtest("A podman member can also still use the docker cli"): podman.succeed(su_cmd("alice", "docker version")) with subtest("Run container remotely via docker cli"): client.succeed("docker version") # via socket would be nicer podman.succeed("tar cv --files-from /dev/null | podman import - scratchimg") client.succeed( "docker run -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg /bin/sleep 10" ) client.succeed("docker ps | grep sleeping") podman.succeed("docker ps | grep sleeping") client.succeed("docker stop sleeping") client.succeed("docker rm sleeping") with subtest("Clients without cert will be denied"): client.succeed("rm /root/.docker/{cert,key}.pem") client.fail("docker version") with subtest("Clients with wrong cert will be denied"): client.copy_from_host("client-2-cert.pem", "/root/.docker/cert.pem") client.copy_from_host("client-2-key.pem", "/root/.docker/key.pem") client.fail("docker version") ''; } )