nixpkgs/nixos/tests/nginx.nix

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# verifies:
# 1. nginx generates config file with shared http context definitions above
# generated virtual hosts config.
# 2. whether the ETag header is properly generated whenever we're serving
# files in Nix store paths
# 3. nginx doesn't restart on configuration changes (only reloads)
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import ./make-test-python.nix ({ pkgs, ... }: {
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name = "nginx";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ mbbx6spp danbst ];
};
nodes = {
webserver = { pkgs, lib, ... }: {
services.nginx.enable = true;
services.nginx.commonHttpConfig = ''
log_format ceeformat '@cee: {"status":"$status",'
'"request_time":$request_time,'
'"upstream_response_time":$upstream_response_time,'
'"pipe":"$pipe","bytes_sent":$bytes_sent,'
'"connection":"$connection",'
'"remote_addr":"$remote_addr",'
'"host":"$host",'
'"timestamp":"$time_iso8601",'
'"request":"$request",'
'"http_referer":"$http_referer",'
'"upstream_addr":"$upstream_addr"}';
'';
services.nginx.virtualHosts."0.my.test" = {
extraConfig = ''
access_log syslog:server=unix:/dev/log,facility=user,tag=mytag,severity=info ceeformat;
location /favicon.ico { allow all; access_log off; log_not_found off; }
'';
};
services.nginx.virtualHosts.localhost = {
root = pkgs.runCommand "testdir" {} ''
mkdir "$out"
echo hello world > "$out/index.html"
'';
};
services.nginx.enableReload = true;
nesting.clone = [
{
services.nginx.virtualHosts.localhost = {
root = lib.mkForce (pkgs.runCommand "testdir2" {} ''
mkdir "$out"
echo content changed > "$out/index.html"
'');
};
}
{
services.nginx.virtualHosts."1.my.test".listen = [ { addr = "127.0.0.1"; port = 8080; }];
}
{
services.nginx.package = pkgs.nginxUnstable;
}
{
services.nginx.package = pkgs.nginxUnstable;
services.nginx.virtualHosts."!@$$(#*%".locations."~@#*$*!)".proxyPass = ";;;";
}
];
};
};
testScript = { nodes, ... }: let
etagSystem = "${nodes.webserver.config.system.build.toplevel}/fine-tune/child-1";
justReloadSystem = "${nodes.webserver.config.system.build.toplevel}/fine-tune/child-2";
reloadRestartSystem = "${nodes.webserver.config.system.build.toplevel}/fine-tune/child-3";
reloadWithErrorsSystem = "${nodes.webserver.config.system.build.toplevel}/fine-tune/child-4";
in ''
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url = "http://localhost/index.html"
def check_etag():
etag = webserver.succeed(
f'curl -v {url} 2>&1 | sed -n -e "s/^< etag: *//ip"'
).rstrip()
http_code = webserver.succeed(
f"curl -w '%{{http_code}}' --head --fail -H 'If-None-Match: {etag}' {url}"
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)
assert http_code.split("\n")[-1] == "304"
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return etag
webserver.wait_for_unit("nginx")
webserver.wait_for_open_port(80)
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with subtest("check ETag if serving Nix store paths"):
old_etag = check_etag()
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webserver.succeed(
"${etagSystem}/bin/switch-to-configuration test >&2"
)
webserver.sleep(1)
new_etag = check_etag()
assert old_etag != new_etag
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with subtest("config is reloaded on nixos-rebuild switch"):
webserver.succeed(
"${justReloadSystem}/bin/switch-to-configuration test >&2"
)
webserver.wait_for_open_port(8080)
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webserver.fail("journalctl -u nginx | grep -q -i stopped")
webserver.succeed("journalctl -u nginx | grep -q -i reloaded")
with subtest("restart when nginx package changes"):
webserver.succeed(
"${reloadRestartSystem}/bin/switch-to-configuration test >&2"
)
webserver.wait_for_unit("nginx")
webserver.succeed("journalctl -u nginx | grep -q -i stopped")
with subtest("nixos-rebuild --switch should fail when there are configuration errors"):
webserver.fail(
"${reloadWithErrorsSystem}/bin/switch-to-configuration test >&2"
)
webserver.succeed("[[ $(systemctl is-failed nginx-config-reload) == failed ]]")
webserver.succeed("[[ $(systemctl is-failed nginx) == active ]]")
# just to make sure operation is idempotent. During development I had a situation
# when first time it shows error, but stops showing it on subsequent rebuilds
webserver.fail(
"${reloadWithErrorsSystem}/bin/switch-to-configuration test >&2"
)
'';
})