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nixosTests.docker-tools: Port to Python
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Jacek Galowicz
Jacek Galowicz
parent
6befabd559
commit
0a49699499
@ -1,93 +1,141 @@
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# this test creates a simple GNU image with docker tools and sees if it executes
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import ./make-test.nix ({ pkgs, ... }: {
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import ./make-test-python.nix ({ pkgs, ... }: {
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name = "docker-tools";
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meta = with pkgs.stdenv.lib.maintainers; {
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maintainers = [ lnl7 ];
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};
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nodes = {
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docker =
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{ ... }: {
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virtualisation = {
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diskSize = 2048;
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docker.enable = true;
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};
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docker = { ... }: {
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virtualisation = {
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diskSize = 2048;
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docker.enable = true;
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};
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};
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};
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testScript =
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''
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$docker->waitForUnit("sockets.target");
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testScript = with pkgs.dockerTools; ''
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unix_time_second1 = "1970-01-01T00:00:01Z"
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# Ensure Docker images use a stable date by default
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.bash}'");
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$docker->succeed("[ '1970-01-01T00:00:01Z' = \"\$(docker inspect ${pkgs.dockerTools.examples.bash.imageName} | ${pkgs.jq}/bin/jq -r .[].Created)\" ]");
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docker.wait_for_unit("sockets.target")
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$docker->succeed("docker run --rm ${pkgs.dockerTools.examples.bash.imageName} bash --version");
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$docker->succeed("docker rmi ${pkgs.dockerTools.examples.bash.imageName}");
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with subtest("Ensure Docker images use a stable date by default"):
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docker.succeed(
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"docker load --input='${examples.bash}'"
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)
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assert unix_time_second1 in docker.succeed(
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"docker inspect ${examples.bash.imageName} "
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+ "| ${pkgs.jq}/bin/jq -r .[].Created",
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)
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# Check if the nix store is correctly initialized by listing dependencies of the installed Nix binary
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.nix}'");
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$docker->succeed("docker run --rm ${pkgs.dockerTools.examples.nix.imageName} nix-store -qR ${pkgs.nix}");
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$docker->succeed("docker rmi ${pkgs.dockerTools.examples.nix.imageName}");
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docker.succeed("docker run --rm ${examples.bash.imageName} bash --version")
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docker.succeed("docker rmi ${examples.bash.imageName}")
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# To test the pullImage tool
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.nixFromDockerHub}'");
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$docker->succeed("docker run --rm nix:2.2.1 nix-store --version");
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$docker->succeed("docker rmi nix:2.2.1");
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with subtest(
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"Check if the nix store is correctly initialized by listing "
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"dependencies of the installed Nix binary"
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):
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docker.succeed(
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"docker load --input='${examples.nix}'",
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"docker run --rm ${examples.nix.imageName} nix-store -qR ${pkgs.nix}",
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"docker rmi ${examples.nix.imageName}",
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)
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# To test runAsRoot and entry point
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.nginx}'");
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$docker->succeed("docker run --name nginx -d -p 8000:80 ${pkgs.dockerTools.examples.nginx.imageName}");
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$docker->waitUntilSucceeds('curl http://localhost:8000/');
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$docker->succeed("docker rm --force nginx");
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$docker->succeed("docker rmi '${pkgs.dockerTools.examples.nginx.imageName}'");
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with subtest("The pullImage tool works"):
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docker.succeed(
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"docker load --input='${examples.nixFromDockerHub}'",
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"docker run --rm nix:2.2.1 nix-store --version",
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"docker rmi nix:2.2.1",
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)
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# An pulled image can be used as base image
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.onTopOfPulledImage}'");
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$docker->succeed("docker run --rm ontopofpulledimage hello");
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$docker->succeed("docker rmi ontopofpulledimage");
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with subtest("runAsRoot and entry point work"):
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docker.succeed(
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"docker load --input='${examples.nginx}'",
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"docker run --name nginx -d -p 8000:80 ${examples.nginx.imageName}",
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)
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docker.wait_until_succeeds("curl http://localhost:8000/")
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docker.succeed(
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"docker rm --force nginx", "docker rmi '${examples.nginx.imageName}'",
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)
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# Regression test for issue #34779
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.runAsRootExtraCommands}'");
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$docker->succeed("docker run --rm runasrootextracommands cat extraCommands");
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$docker->succeed("docker run --rm runasrootextracommands cat runAsRoot");
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$docker->succeed("docker rmi '${pkgs.dockerTools.examples.runAsRootExtraCommands.imageName}'");
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with subtest("A pulled image can be used as base image"):
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docker.succeed(
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"docker load --input='${examples.onTopOfPulledImage}'",
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"docker run --rm ontopofpulledimage hello",
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"docker rmi ontopofpulledimage",
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)
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# Ensure Docker images can use an unstable date
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.bash}'");
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$docker->succeed("[ '1970-01-01T00:00:01Z' != \"\$(docker inspect ${pkgs.dockerTools.examples.unstableDate.imageName} | ${pkgs.jq}/bin/jq -r .[].Created)\" ]");
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with subtest("Regression test for issue #34779"):
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docker.succeed(
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"docker load --input='${examples.runAsRootExtraCommands}'",
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"docker run --rm runasrootextracommands cat extraCommands",
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"docker run --rm runasrootextracommands cat runAsRoot",
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"docker rmi '${examples.runAsRootExtraCommands.imageName}'",
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)
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# Ensure Layered Docker images work
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.layered-image}'");
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$docker->succeed("docker run --rm ${pkgs.dockerTools.examples.layered-image.imageName}");
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$docker->succeed("docker run --rm ${pkgs.dockerTools.examples.layered-image.imageName} cat extraCommands");
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with subtest("Ensure Docker images can use an unstable date"):
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docker.succeed(
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"docker load --input='${examples.bash}'"
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)
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assert unix_time_second1 not in docker.succeed(
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"docker inspect ${examples.unstableDate.imageName} "
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+ "| ${pkgs.jq}/bin/jq -r .[].Created"
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)
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# Ensure building an image on top of a layered Docker images work
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.layered-on-top}'");
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$docker->succeed("docker run --rm ${pkgs.dockerTools.examples.layered-on-top.imageName}");
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with subtest("Ensure Layered Docker images work"):
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docker.succeed(
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"docker load --input='${examples.layered-image}'",
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"docker run --rm ${examples.layered-image.imageName}",
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"docker run --rm ${examples.layered-image.imageName} cat extraCommands",
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)
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# Ensure layers are shared between images
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.another-layered-image}'");
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$docker->succeed("docker inspect ${pkgs.dockerTools.examples.layered-image.imageName} | ${pkgs.jq}/bin/jq -r '.[] | .RootFS.Layers | .[]' | sort > layers1.sha256");
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$docker->succeed("docker inspect ${pkgs.dockerTools.examples.another-layered-image.imageName} | ${pkgs.jq}/bin/jq -r '.[] | .RootFS.Layers | .[]' | sort > layers2.sha256");
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$docker->succeed('[ $(comm -1 -2 layers1.sha256 layers2.sha256 | wc -l) -ne 0 ]');
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with subtest("Ensure building an image on top of a layered Docker images work"):
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docker.succeed(
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"docker load --input='${examples.layered-on-top}'",
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"docker run --rm ${examples.layered-on-top.imageName}",
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)
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# Ensure order of layers is correct
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.layersOrder}'");
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$docker->succeed("docker run --rm ${pkgs.dockerTools.examples.layersOrder.imageName} cat /tmp/layer1 | grep -q layer1");
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# This is to be sure the order of layers of the parent image is preserved
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$docker->succeed("docker run --rm ${pkgs.dockerTools.examples.layersOrder.imageName} cat /tmp/layer2 | grep -q layer2");
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$docker->succeed("docker run --rm ${pkgs.dockerTools.examples.layersOrder.imageName} cat /tmp/layer3 | grep -q layer3");
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# Ensure image with only 2 layers can be loaded
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.two-layered-image}'");
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def set_of_layers(image_name):
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return set(
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docker.succeed(
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f"docker inspect {image_name} "
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+ "| ${pkgs.jq}/bin/jq -r '.[] | .RootFS.Layers | .[]'"
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).split()
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)
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# Ensure the bulk layer didn't miss store paths
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# Regression test for https://github.com/NixOS/nixpkgs/issues/78744
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$docker->succeed("docker load --input='${pkgs.dockerTools.examples.bulk-layer}'");
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# This ensure the two output paths (ls and hello) are in the layer
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$docker->succeed("docker run bulk-layer ls /bin/hello");
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'';
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with subtest("Ensure layers are shared between images"):
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docker.succeed(
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"docker load --input='${examples.another-layered-image}'"
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)
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layers1 = set_of_layers("${examples.layered-image.imageName}")
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layers2 = set_of_layers("${examples.another-layered-image.imageName}")
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assert bool(layers1 & layers2)
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with subtest("Ensure order of layers is correct"):
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docker.succeed(
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"docker load --input='${examples.layersOrder}'"
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)
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for index in 1, 2, 3:
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assert f"layer{index}" in docker.succeed(
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f"docker run --rm ${examples.layersOrder.imageName} cat /tmp/layer{index}"
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)
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with subtest("Ensure image with only 2 layers can be loaded"):
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docker.succeed(
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"docker load --input='${examples.two-layered-image}'"
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)
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with subtest(
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"Ensure the bulk layer doesn't miss store paths (regression test for #78744)"
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):
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docker.succeed(
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"docker load --input='${pkgs.dockerTools.examples.bulk-layer}'",
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# Ensure the two output paths (ls and hello) are in the layer
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"docker run bulk-layer ls /bin/hello",
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)
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'';
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})
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