diff options
Diffstat (limited to 'nixpkgs/nixos/tests/docker-tools.nix')
| -rw-r--r-- | nixpkgs/nixos/tests/docker-tools.nix | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/nixpkgs/nixos/tests/docker-tools.nix b/nixpkgs/nixos/tests/docker-tools.nix index 6638ec4927ce..80d527b453fa 100644 --- a/nixpkgs/nixos/tests/docker-tools.nix +++ b/nixpkgs/nixos/tests/docker-tools.nix @@ -161,12 +161,18 @@ import ./make-test-python.nix ({ pkgs, ... }: { "docker run --rm ${examples.layered-image.imageName} cat extraCommands", ) - with subtest("Ensure building an image on top of a layered Docker images work"): + with subtest("Ensure images built on top of layered Docker images work"): docker.succeed( "docker load --input='${examples.layered-on-top}'", "docker run --rm ${examples.layered-on-top.imageName}", ) + with subtest("Ensure layered images built on top of layered Docker images work"): + docker.succeed( + "docker load --input='${examples.layered-on-top-layered}'", + "docker run --rm ${examples.layered-on-top-layered.imageName}", + ) + def set_of_layers(image_name): return set( @@ -205,6 +211,31 @@ import ./make-test-python.nix ({ pkgs, ... }: { assert "FROM_CHILD=true" in env, "envvars from the child should be preserved" assert "LAST_LAYER=child" in env, "envvars from the child should take priority" + with subtest("Ensure environment variables of layered images are correctly inherited"): + docker.succeed( + "docker load --input='${examples.environmentVariablesLayered}'" + ) + out = docker.succeed("docker run --rm ${examples.environmentVariablesLayered.imageName} env") + env = out.splitlines() + assert "FROM_PARENT=true" in env, "envvars from the parent should be preserved" + assert "FROM_CHILD=true" in env, "envvars from the child should be preserved" + assert "LAST_LAYER=child" in env, "envvars from the child should take priority" + + with subtest( + "Ensure inherited environment variables of layered images are correctly resolved" + ): + # Read environment variables as stored in image config + config = docker.succeed( + "tar -xOf ${examples.environmentVariablesLayered} manifest.json | ${pkgs.jq}/bin/jq -r .[].Config" + ).strip() + out = docker.succeed( + f"tar -xOf ${examples.environmentVariablesLayered} {config} | ${pkgs.jq}/bin/jq -r '.config.Env | .[]'" + ) + env = out.splitlines() + assert ( + sum(entry.startswith("LAST_LAYER") for entry in env) == 1 + ), "envvars overridden by child should be unique" + with subtest("Ensure image with only 2 layers can be loaded"): docker.succeed( "docker load --input='${examples.two-layered-image}'" @@ -219,6 +250,18 @@ import ./make-test-python.nix ({ pkgs, ... }: { "docker run bulk-layer ls /bin/hello", ) + with subtest( + "Ensure the bulk layer with a base image respects the number of maxLayers" + ): + docker.succeed( + "docker load --input='${pkgs.dockerTools.examples.layered-bulk-layer}'", + # Ensure the image runs correctly + "docker run layered-bulk-layer ls /bin/hello", + ) + + # Ensure the image has the correct number of layers + assert len(set_of_layers("layered-bulk-layer")) == 4 + with subtest("Ensure correct behavior when no store is needed"): # This check tests that buildLayeredImage can build images that don't need a store. docker.succeed( @@ -254,5 +297,29 @@ import ./make-test-python.nix ({ pkgs, ... }: { "docker run --rm ${examples.layeredStoreSymlink.imageName} bash -c 'test -L ${examples.layeredStoreSymlink.passthru.symlink}'", "docker rmi ${examples.layeredStoreSymlink.imageName}", ) + + with subtest("buildImage supports registry/ prefix in image name"): + docker.succeed( + "docker load --input='${examples.prefixedImage}'" + ) + docker.succeed( + "docker images --format '{{.Repository}}' | grep -F '${examples.prefixedImage.imageName}'" + ) + + with subtest("buildLayeredImage supports registry/ prefix in image name"): + docker.succeed( + "docker load --input='${examples.prefixedLayeredImage}'" + ) + docker.succeed( + "docker images --format '{{.Repository}}' | grep -F '${examples.prefixedLayeredImage.imageName}'" + ) + + with subtest("buildLayeredImage supports running chown with fakeRootCommands"): + docker.succeed( + "docker load --input='${examples.layeredImageWithFakeRootCommands}'" + ) + docker.succeed( + "docker run --rm ${examples.layeredImageWithFakeRootCommands.imageName} sh -c 'stat -c '%u' /home/jane | grep -E ^1000$'" + ) ''; }) |