nixpkgs/nixos/tests/traefik.nix

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2020-04-06 09:21:35 +03:00
# Test Traefik as a reverse proxy of a local web service
# and a Docker container.
import ./make-test-python.nix ({ pkgs, ... }: {
name = "traefik";
meta = with pkgs.lib.maintainers; {
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maintainers = [ joko ];
};
nodes = {
client = { config, pkgs, ... }: {
environment.systemPackages = [ pkgs.curl ];
};
traefik = { config, pkgs, ... }: {
virtualisation.oci-containers.containers.nginx = {
extraOptions = [
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"-l" "traefik.enable=true"
"-l" "traefik.http.routers.nginx.entrypoints=web"
"-l" "traefik.http.routers.nginx.rule=Host(`nginx.traefik.test`)"
];
image = "nginx-container";
imageFile = pkgs.dockerTools.examples.nginx;
};
networking.firewall.allowedTCPPorts = [ 80 ];
services.traefik = {
enable = true;
dynamicConfigOptions = {
http.routers.simplehttp = {
rule = "Host(`simplehttp.traefik.test`)";
entryPoints = [ "web" ];
service = "simplehttp";
};
http.services.simplehttp = {
loadBalancer.servers = [{
url = "http://127.0.0.1:8000";
}];
};
};
staticConfigOptions = {
global = {
checkNewVersion = false;
sendAnonymousUsage = false;
};
entryPoints.web.address = ":80";
providers.docker.exposedByDefault = false;
};
};
systemd.services.simplehttp = {
script = "${pkgs.python3}/bin/python -m http.server 8000";
serviceConfig.Type = "simple";
wantedBy = [ "multi-user.target" ];
};
users.users.traefik.extraGroups = [ "docker" ];
};
};
testScript = ''
start_all()
traefik.wait_for_unit("docker-nginx.service")
traefik.wait_until_succeeds("docker ps | grep nginx-container")
traefik.wait_for_unit("simplehttp.service")
traefik.wait_for_unit("traefik.service")
traefik.wait_for_open_port(80)
traefik.wait_for_unit("multi-user.target")
client.wait_for_unit("multi-user.target")
with subtest("Check that a container can be reached via Traefik"):
assert "Hello from NGINX" in client.succeed(
"curl -sSf -H Host:nginx.traefik.test http://traefik/"
)
with subtest("Check that dynamic configuration works"):
assert "Directory listing for " in client.succeed(
"curl -sSf -H Host:simplehttp.traefik.test http://traefik/"
)
'';
})