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6dab1b50a6
This is useful when buildLayeredImage is called in a generic way that should allow simple (base) images to be built, which may not reference any store paths.
159 lines
5.7 KiB
Nix
159 lines
5.7 KiB
Nix
# this test creates a simple GNU image with docker tools and sees if it executes
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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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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 = with pkgs.dockerTools; ''
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unix_time_second1 = "1970-01-01T00:00:01Z"
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docker.wait_for_unit("sockets.target")
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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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docker.succeed("docker run --rm ${examples.bash.imageName} bash --version")
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docker.succeed("docker rmi ${examples.bash.imageName}")
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with subtest(
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"Check if the nix store is correctly initialized by listing "
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"dependencies of the installed Nix binary"
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):
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docker.succeed(
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"docker load --input='${examples.nix}'",
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"docker run --rm ${examples.nix.imageName} nix-store -qR ${pkgs.nix}",
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"docker rmi ${examples.nix.imageName}",
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)
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with subtest("The pullImage tool works"):
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docker.succeed(
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"docker load --input='${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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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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with subtest("A pulled image can be used as base image"):
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docker.succeed(
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"docker load --input='${examples.onTopOfPulledImage}'",
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"docker run --rm ontopofpulledimage hello",
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"docker rmi ontopofpulledimage",
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)
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with subtest("Regression test for issue #34779"):
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docker.succeed(
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"docker load --input='${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 '${examples.runAsRootExtraCommands.imageName}'",
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)
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with subtest("Ensure Docker images can use an unstable date"):
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docker.succeed(
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"docker load --input='${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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+ "| ${pkgs.jq}/bin/jq -r .[].Created"
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)
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with subtest("Ensure Layered Docker images work"):
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docker.succeed(
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"docker load --input='${examples.layered-image}'",
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"docker run --rm ${examples.layered-image.imageName}",
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"docker run --rm ${examples.layered-image.imageName} cat extraCommands",
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)
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with subtest("Ensure building an image on top of a layered Docker images work"):
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docker.succeed(
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"docker load --input='${examples.layered-on-top}'",
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"docker run --rm ${examples.layered-on-top.imageName}",
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)
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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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+ "| ${pkgs.jq}/bin/jq -r '.[] | .RootFS.Layers | .[]'"
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).split()
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)
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with subtest("Ensure layers are shared between images"):
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docker.succeed(
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"docker load --input='${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='${pkgs.dockerTools.examples.bulk-layer}'",
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# Ensure the two output paths (ls and hello) are in the layer
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"docker run bulk-layer ls /bin/hello",
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)
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with subtest("Ensure correct behavior when no store is needed"):
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# This check tests two requirements simultaneously
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# 1. buildLayeredImage can build images that don't need a store.
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# 2. Layers of symlinks are eliminated by the customization layer.
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#
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docker.succeed(
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"docker load --input='${pkgs.dockerTools.examples.no-store-paths}'"
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)
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# Busybox will not recognize argv[0] and print an error message with argv[0],
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# but it confirms that the custom-true symlink is present.
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docker.succeed("docker run --rm no-store-paths custom-true |& grep custom-true")
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# This check may be loosened to allow an *empty* store rather than *no* store.
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docker.succeed("docker run --rm no-store-paths ls /")
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docker.fail("docker run --rm no-store-paths ls /nix/store")
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'';
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})
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