nixos/podman-dnsname: init

This commit is contained in:
Robert Hensing 2021-05-27 16:22:28 +02:00
parent d81631fb98
commit 54f2f1e5f1
5 changed files with 84 additions and 0 deletions

View file

@ -0,0 +1,36 @@
{ config, lib, pkgs, ... }:
let
inherit (lib)
mkOption
mkIf
types
;
cfg = config.virtualisation.podman;
in
{
options = {
virtualisation.podman = {
defaultNetwork.dnsname.enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable DNS resolution in the default podman network.
'';
};
};
};
config = {
virtualisation.containers.containersConf.cniPlugins = mkIf cfg.defaultNetwork.dnsname.enable [ pkgs.dnsname-cni ];
virtualisation.podman.defaultNetwork.extraPlugins =
lib.optional cfg.defaultNetwork.dnsname.enable {
type = "dnsname";
domainName = "dns.podman";
capabilities.aliases = true;
};
};
}

View file

@ -39,6 +39,7 @@ let
in
{
imports = [
./podman-dnsname.nix
./podman-network-socket.nix
(lib.mkRenamedOptionModule [ "virtualisation" "podman" "libpod" ] [ "virtualisation" "containers" "containersConf" ])
];

View file

@ -335,6 +335,7 @@ in
plotinus = handleTest ./plotinus.nix {};
podgrab = handleTest ./podgrab.nix {};
podman = handleTestOn ["x86_64-linux"] ./podman.nix {};
podman-dnsname = handleTestOn ["x86_64-linux"] ./podman-dnsname.nix {};
podman-tls-ghostunnel = handleTestOn ["x86_64-linux"] ./podman-tls-ghostunnel.nix {};
pomerium = handleTestOn ["x86_64-linux"] ./pomerium.nix {};
postfix = handleTest ./postfix.nix {};

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@ -0,0 +1,42 @@
import ./make-test-python.nix (
{ pkgs, lib, ... }:
let
inherit (pkgs) writeTextDir python3 curl;
webroot = writeTextDir "index.html" "<h1>Hi</h1>";
in
{
name = "podman-dnsname";
meta = {
maintainers = with lib.maintainers; [ roberth ] ++ lib.teams.podman.members;
};
nodes = {
podman = { pkgs, ... }: {
virtualisation.podman.enable = true;
virtualisation.podman.defaultNetwork.dnsname.enable = true;
};
};
testScript = ''
podman.wait_for_unit("sockets.target")
with subtest("DNS works"): # also tests inter-container tcp routing
podman.succeed("tar cv --files-from /dev/null | podman import - scratchimg")
podman.succeed(
"podman run -d --name=webserver -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin -w ${webroot} scratchimg ${python3}/bin/python -m http.server 8000"
)
podman.succeed("podman ps | grep webserver")
podman.succeed("""
for i in `seq 0 120`; do
podman run --rm --name=client -v /nix/store:/nix/store -v /run/current-system/sw/bin:/bin scratchimg ${curl}/bin/curl http://webserver:8000 >/dev/console \
&& exit 0
sleep 0.5
done
exit 1
""")
podman.succeed("podman stop webserver")
podman.succeed("podman rm webserver")
'';
}
)

View file

@ -28,6 +28,10 @@ buildGoModule rec {
doCheck = false; # NOTE: requires root privileges
passthru.tests = {
inherit (nixosTests) podman-dnsname;
};
meta = with lib; {
description = "DNS name resolution for containers";
homepage = "https://github.com/containers/dnsname";