nixosTests.docker-tools: Port to Python

This commit is contained in:
Jacek Galowicz 2020-02-13 12:38:26 +01:00 committed by Jacek Galowicz
parent 6befabd559
commit 0a49699499

View file

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