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3fd324f823
Eelco has made several early contributions to NixOS including writing the samba module among other things, but is more or less inactive these days. By my brief inspection, he has not committed to the nixos/ tree since releasing Nix 2.13 in early 2023 and merging a PR to networking tests slightly before that. A lot of these tests/modules are actually unmaintained in practice, so we should update the code to reflect the practical reality so someone can consider picking them up.
100 lines
2.9 KiB
Nix
100 lines
2.9 KiB
Nix
let
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hostIp = "192.168.0.1";
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containerIp = "192.168.0.100/24";
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hostIp6 = "fc00::1";
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containerIp6 = "fc00::2/7";
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in
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import ./make-test-python.nix ({ pkgs, lib, ... }: {
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name = "containers-bridge";
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meta = {
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maintainers = with lib.maintainers; [ aristid aszlig kampfschlaefer ];
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};
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nodes.machine =
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{ pkgs, ... }:
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{ imports = [ ../modules/installer/cd-dvd/channel.nix ];
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virtualisation.writableStore = true;
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networking.bridges = {
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br0 = {
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interfaces = [];
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};
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};
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networking.interfaces = {
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br0 = {
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ipv4.addresses = [{ address = hostIp; prefixLength = 24; }];
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ipv6.addresses = [{ address = hostIp6; prefixLength = 7; }];
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};
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};
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containers.webserver =
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{
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autoStart = true;
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privateNetwork = true;
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hostBridge = "br0";
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localAddress = containerIp;
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localAddress6 = containerIp6;
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config =
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{ services.httpd.enable = true;
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services.httpd.adminAddr = "foo@example.org";
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networking.firewall.allowedTCPPorts = [ 80 ];
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};
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};
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containers.web-noip =
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{
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autoStart = true;
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privateNetwork = true;
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hostBridge = "br0";
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config =
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{ services.httpd.enable = true;
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services.httpd.adminAddr = "foo@example.org";
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networking.firewall.allowedTCPPorts = [ 80 ];
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};
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};
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virtualisation.additionalPaths = [ pkgs.stdenv ];
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};
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testScript = ''
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machine.wait_for_unit("default.target")
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assert "webserver" in machine.succeed("nixos-container list")
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with subtest("Start the webserver container"):
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assert "up" in machine.succeed("nixos-container status webserver")
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with subtest("Bridges exist inside containers"):
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machine.succeed(
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"nixos-container run webserver -- ip link show eth0",
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"nixos-container run web-noip -- ip link show eth0",
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)
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ip = "${containerIp}".split("/")[0]
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machine.succeed(f"ping -n -c 1 {ip}")
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machine.succeed(f"curl --fail http://{ip}/ > /dev/null")
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ip6 = "${containerIp6}".split("/")[0]
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machine.succeed(f"ping -n -c 1 {ip6}")
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machine.succeed(f"curl --fail http://[{ip6}]/ > /dev/null")
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with subtest(
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"nixos-container show-ip works in case of an ipv4 address "
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+ "with subnetmask in CIDR notation."
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):
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result = machine.succeed("nixos-container show-ip webserver").rstrip()
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assert result == ip
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with subtest("Stop the container"):
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machine.succeed("nixos-container stop webserver")
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machine.fail(
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f"curl --fail --connect-timeout 2 http://{ip}/ > /dev/null",
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f"curl --fail --connect-timeout 2 http://[{ip6}]/ > /dev/null",
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)
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# Destroying a declarative container should fail.
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machine.fail("nixos-container destroy webserver")
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'';
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})
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