123 lines
4.1 KiB
Nix
123 lines
4.1 KiB
Nix
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# Test printing via CUPS.
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import ./make-test-python.nix (
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{ pkgs
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, socket ? true # whether to use socket activation
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, ...
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}:
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{
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name = "printing";
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meta = with pkgs.lib.maintainers; {
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maintainers = [ domenkozar matthewbauer ];
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};
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nodes.server = { ... }: {
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services.printing = {
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enable = true;
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stateless = true;
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startWhenNeeded = socket;
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listenAddresses = [ "*:631" ];
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defaultShared = true;
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openFirewall = true;
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extraConf = ''
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<Location />
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Order allow,deny
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Allow from all
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</Location>
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'';
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};
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# Add a HP Deskjet printer connected via USB to the server.
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hardware.printers.ensurePrinters = [{
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name = "DeskjetLocal";
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deviceUri = "usb://foobar/printers/foobar";
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model = "drv:///sample.drv/deskjet.ppd";
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}];
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};
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nodes.client = { ... }: {
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services.printing.enable = true;
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services.printing.startWhenNeeded = socket;
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# Add printer to the client as well, via IPP.
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hardware.printers.ensurePrinters = [{
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name = "DeskjetRemote";
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deviceUri = "ipp://server/printers/DeskjetLocal";
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model = "drv:///sample.drv/deskjet.ppd";
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}];
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hardware.printers.ensureDefaultPrinter = "DeskjetRemote";
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};
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testScript = ''
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import os
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import re
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start_all()
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with subtest("Make sure that cups is up on both sides and printers are set up"):
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server.wait_for_unit("cups.${if socket then "socket" else "service"}")
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client.wait_for_unit("cups.${if socket then "socket" else "service"}")
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assert "scheduler is running" in client.succeed("lpstat -r")
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with subtest("UNIX socket is used for connections"):
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assert "/var/run/cups/cups.sock" in client.succeed("lpstat -H")
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with subtest("HTTP server is available too"):
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client.succeed("curl --fail http://localhost:631/")
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client.succeed(f"curl --fail http://{server.name}:631/")
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server.fail(f"curl --fail --connect-timeout 2 http://{client.name}:631/")
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with subtest("LP status checks"):
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assert "DeskjetRemote accepting requests" in client.succeed("lpstat -a")
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assert "DeskjetLocal accepting requests" in client.succeed(
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f"lpstat -h {server.name}:631 -a"
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)
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client.succeed("cupsdisable DeskjetRemote")
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out = client.succeed("lpq")
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print(out)
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assert re.search(
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"DeskjetRemote is not ready.*no entries",
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client.succeed("lpq"),
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flags=re.DOTALL,
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)
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client.succeed("cupsenable DeskjetRemote")
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assert re.match(
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"DeskjetRemote is ready.*no entries", client.succeed("lpq"), flags=re.DOTALL
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)
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# Test printing various file types.
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for file in [
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"${pkgs.groff.doc}/share/doc/*/examples/mom/penguin.pdf",
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"${pkgs.groff.doc}/share/doc/*/meref.ps",
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"${pkgs.cups.out}/share/doc/cups/images/cups.png",
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"${pkgs.pcre.doc}/share/doc/pcre/pcre.txt",
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]:
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file_name = os.path.basename(file)
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with subtest(f"print {file_name}"):
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# Print the file on the client.
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print(client.succeed("lpq"))
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client.succeed(f"lp {file}")
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client.wait_until_succeeds(
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f"lpq; lpq | grep -q -E 'active.*root.*{file_name}'"
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)
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# Ensure that a raw PCL file appeared in the server's queue
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# (showing that the right filters have been applied). Of
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# course, since there is no actual USB printer attached, the
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# file will stay in the queue forever.
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server.wait_for_file("/var/spool/cups/d*-001")
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server.wait_until_succeeds(f"lpq -a | grep -q -E '{file_name}'")
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# Delete the job on the client. It should disappear on the
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# server as well.
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client.succeed("lprm")
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client.wait_until_succeeds("lpq -a | grep -q -E 'no entries'")
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retry(lambda _: "no entries" in server.succeed("lpq -a"))
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# The queue is empty already, so this should be safe.
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# Otherwise, pairs of "c*"-"d*-001" files might persist.
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server.execute("rm /var/spool/cups/*")
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'';
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})
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