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nixos/nginx: allow arbitrary parameters in upstream servers

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Adds a `freeformType` to `services.nginx.upstreams.<name>.servers` to
allow setting arbitrary parameters.
This commit is contained in:
Izorkin 2023-05-07 11:55:35 +03:00 committed by Naïm Favier
parent 16b3b0c53b
commit 2809915f19
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1 changed files with 25 additions and 8 deletions
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33
nixos/modules/services/web-servers/nginx/default.nix
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@ -113,10 +113,15 @@ let
]};
'') (filterAttrs (name: conf: conf.enable) cfg.proxyCachePath));
toUpstreamParameter = key: value:
if builtins.isBool value
then lib.optionalString value key
else "${key}=${toString value}";
upstreamConfig = toString (flip mapAttrsToList cfg.upstreams (name: upstream: ''
upstream ${name} {
${toString (flip mapAttrsToList upstream.servers (name: server: ''
server ${name} ${optionalString server.backup "backup"};
server ${name} ${concatStringsSep " " (mapAttrsToList toUpstreamParameter server)};
''))}
${upstream.extraConfig}
}
@ -922,6 +927,7 @@ in
options = {
servers = mkOption {
type = types.attrsOf (types.submodule {
freeformType = types.attrsOf (types.oneOf [ types.bool types.int types.str ]);
options = {
backup = mkOption {
type = types.bool;
@ -935,9 +941,11 @@ in
});
description = lib.mdDoc ''
Defines the address and other parameters of the upstream servers.
See [the documentation](https://nginx.org/en/docs/http/ngx_http_upstream_module.html#server)
for the available parameters.
'';
default = {};
example = { "127.0.0.1:8000" = {}; };
example = lib.literalMD "see [](#opt-services.nginx.upstreams)";
};
extraConfig = mkOption {
type = types.lines;
@ -952,14 +960,23 @@ in
Defines a group of servers to use as proxy target.
'';
default = {};
example = literalExpression ''
"backend_server" = {
servers = { "127.0.0.1:8000" = {}; };
extraConfig = ''''
example = {
"backend" = {
servers = {
"backend1.example.com:8080" = { weight = 5; };
"backend2.example.com" = { max_fails = 3; fail_timeout = "30s"; };
"backend3.example.com" = {};
"backup1.example.com" = { backup = true; };
"backup2.example.com" = { backup = true; };
};
extraConfig = ''
keepalive 16;
'''';
'';
};
'';
"memcached" = {
servers."unix:/run//memcached/memcached.sock" = {};
};
};
};
virtualHosts = mkOption {