https://github.com/containers/podman/releases/tag/v4.0.0 https://github.com/containers/podman/releases/tag/v4.0.1 - wrap helper binaries via CONTAINERS_HELPER_BINARY_DIR
151 lines
5.5 KiB
Nix
151 lines
5.5 KiB
Nix
/*
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This test runs podman as a backend for the Docker CLI.
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*/
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import ../make-test-python.nix (
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{ pkgs, lib, ... }:
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let gen-ca = pkgs.writeScript "gen-ca" ''
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# Create CA
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PATH="${pkgs.openssl}/bin:$PATH"
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openssl genrsa -out ca-key.pem 4096
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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
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# Create service
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openssl genrsa -out podman-key.pem 4096
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openssl req -subj '/CN=podman' -sha256 -new -key podman-key.pem -out service.csr
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echo subjectAltName = DNS:podman,IP:127.0.0.1 >> extfile.cnf
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echo extendedKeyUsage = serverAuth >> extfile.cnf
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openssl x509 -req -days 365 -sha256 -in service.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out podman-cert.pem -extfile extfile.cnf
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# Create client
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openssl genrsa -out client-key.pem 4096
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openssl req -subj '/CN=client' -new -key client-key.pem -out client.csr
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echo extendedKeyUsage = clientAuth > extfile-client.cnf
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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
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# Create CA 2
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PATH="${pkgs.openssl}/bin:$PATH"
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openssl genrsa -out ca-2-key.pem 4096
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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
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# Create client signed by CA 2
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openssl genrsa -out client-2-key.pem 4096
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openssl req -subj '/CN=client' -new -key client-2-key.pem -out client-2.csr
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echo extendedKeyUsage = clientAuth > extfile-client.cnf
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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
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'';
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in
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{
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name = "podman-tls-ghostunnel";
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meta = {
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maintainers = lib.teams.podman.members ++ [ lib.maintainers.roberth ];
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};
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nodes = {
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podman =
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{ pkgs, ... }:
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{
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virtualisation.podman.enable = true;
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virtualisation.podman.dockerSocket.enable = true;
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virtualisation.podman.networkSocket = {
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enable = true;
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openFirewall = true;
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server = "ghostunnel";
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tls.cert = "/root/podman-cert.pem";
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tls.key = "/root/podman-key.pem";
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tls.cacert = "/root/ca.pem";
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};
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environment.systemPackages = [
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pkgs.docker-client
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];
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users.users.alice = {
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isNormalUser = true;
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home = "/home/alice";
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description = "Alice Foobar";
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extraGroups = ["podman"];
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};
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};
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client = { ... }: {
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environment.systemPackages = [
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# Installs the docker _client_ only
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# Normally, you'd want `virtualisation.docker.enable = true;`.
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pkgs.docker-client
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];
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environment.variables.DOCKER_HOST = "podman:2376";
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environment.variables.DOCKER_TLS_VERIFY = "1";
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};
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};
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testScript = ''
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import shlex
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def su_cmd(user, cmd):
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cmd = shlex.quote(cmd)
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return f"su {user} -l -c {cmd}"
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def cmd(command):
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print(f"+{command}")
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r = os.system(command)
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if r != 0:
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raise Exception(f"Command {command} failed with exit code {r}")
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start_all()
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cmd("${gen-ca}")
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podman.copy_from_host("ca.pem", "/root/ca.pem")
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podman.copy_from_host("podman-cert.pem", "/root/podman-cert.pem")
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podman.copy_from_host("podman-key.pem", "/root/podman-key.pem")
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client.copy_from_host("ca.pem", "/root/.docker/ca.pem")
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# client.copy_from_host("podman-cert.pem", "/root/podman-cert.pem")
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client.copy_from_host("client-cert.pem", "/root/.docker/cert.pem")
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client.copy_from_host("client-key.pem", "/root/.docker/key.pem")
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# TODO (ghostunnel): add file watchers so the restart isn't necessary
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podman.succeed("systemctl reset-failed && systemctl restart ghostunnel-server-podman-socket.service")
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podman.wait_for_unit("sockets.target")
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podman.wait_for_unit("ghostunnel-server-podman-socket.service")
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with subtest("Create default network"):
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podman.succeed("docker network create default")
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with subtest("Root docker cli also works"):
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podman.succeed("docker version")
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with subtest("A podman member can also still use the docker cli"):
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podman.succeed(su_cmd("alice", "docker version"))
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with subtest("Run container remotely via docker cli"):
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client.succeed("docker version")
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# via socket would be nicer
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podman.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
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client.succeed(
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"docker run -d --name=sleeping -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin localhost/scratchimg /bin/sleep 10"
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)
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client.succeed("docker ps | grep sleeping")
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podman.succeed("docker ps | grep sleeping")
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client.succeed("docker stop sleeping")
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client.succeed("docker rm sleeping")
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with subtest("Clients without cert will be denied"):
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client.succeed("rm /root/.docker/{cert,key}.pem")
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client.fail("docker version")
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with subtest("Clients with wrong cert will be denied"):
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client.copy_from_host("client-2-cert.pem", "/root/.docker/cert.pem")
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client.copy_from_host("client-2-key.pem", "/root/.docker/key.pem")
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client.fail("docker version")
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'';
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}
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)
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