2020-04-24 23:36:52 +00:00
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# Test whether DNS resolving returns multiple records and all address families.
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import ./make-test-python.nix ({ pkgs, ... } : {
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name = "resolv";
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2021-01-15 22:18:51 +00:00
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meta = with pkgs.lib.maintainers; {
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2020-04-24 23:36:52 +00:00
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maintainers = [ ckauhaus ];
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};
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nodes.resolv = { ... }: {
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networking.extraHosts = ''
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# IPv4 only
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192.0.2.1 host-ipv4.example.net
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192.0.2.2 host-ipv4.example.net
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# IP6 only
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2001:db8::2:1 host-ipv6.example.net
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2001:db8::2:2 host-ipv6.example.net
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# dual stack
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192.0.2.1 host-dual.example.net
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192.0.2.2 host-dual.example.net
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2001:db8::2:1 host-dual.example.net
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2001:db8::2:2 host-dual.example.net
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'';
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};
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testScript = ''
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def addrs_in(hostname, addrs):
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res = resolv.succeed("getent ahosts {}".format(hostname))
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for addr in addrs:
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assert addr in res, "Expected output '{}' not found in\n{}".format(addr, res)
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start_all()
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resolv.wait_for_unit("nscd")
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ipv4 = ["192.0.2.1", "192.0.2.2"]
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ipv6 = ["2001:db8::2:1", "2001:db8::2:2"]
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with subtest("IPv4 resolves"):
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addrs_in("host-ipv4.example.net", ipv4)
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with subtest("IPv6 resolves"):
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addrs_in("host-ipv6.example.net", ipv6)
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with subtest("Dual stack resolves"):
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addrs_in("host-dual.example.net", ipv4 + ipv6)
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'';
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})
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