96 lines
2.8 KiB
Nix
96 lines
2.8 KiB
Nix
{ cluster, config, depot, lib, pkgs, ... }:
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let
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inherit (depot.lib.meta) domain;
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externalWays = lib.filterAttrs (_: cfg: !cfg.internal) cluster.config.ways;
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consulServiceWays = lib.filterAttrs (_: cfg: cfg.useConsul) cluster.config.ways;
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consulHttpAddr = "${config.services.consul.extraConfig.addresses.http or "127.0.0.1"}:${toString (config.services.consul.extraConfig.ports.http or 8500)}";
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in
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{
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services.nginx = {
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virtualHosts = lib.mapAttrs' (name: cfg: {
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name = if cfg.internal then "${name}.internal.${domain}" else "${name}.${domain}";
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value = { ... }: {
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imports = [
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cfg.extras
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{
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forceSSL = true;
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enableACME = !cfg.internal;
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useACMEHost = lib.mkIf cfg.internal "internal.${domain}";
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locations = lib.mkMerge [
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{
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"/".proxyPass = cfg.target;
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"${cfg.healthCheckPath}".extraConfig = "access_log off;";
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}
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{
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"/.well-known/ways/internal-health-check" = {
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return = ''200 "INTERNAL_OK\n"'';
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extraConfig = "access_log off;";
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};
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}
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];
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}
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];
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};
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}) cluster.config.ways;
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appendHttpConfig = lib.mkIf (consulServiceWays != {}) ''
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include /run/consul-template/nginx-ways-*.conf;
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'';
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};
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security.acme.certs = lib.mapAttrs' (name: cfg: {
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name = "${name}.${domain}";
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value = {
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dnsProvider = "exec";
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webroot = lib.mkForce null;
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};
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}) externalWays;
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services.consul-template.instances.ways = lib.mkIf (consulServiceWays != {}) {
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user = "nginx";
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group = "nginx";
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settings = {
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consul.address = "http://${consulHttpAddr}";
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template = [
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{
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source = let
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upstreams = lib.mapAttrsToList (_: cfg: ''
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upstream ${cfg.nginxUpstreamName} {
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{{ range $i, $e := service "${cfg.consulService}~_agent" -}}
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server {{ .Address }}:{{ .Port }}{{ if ne $i 0 }} backup{{ end }};
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{{end}}
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}
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'') consulServiceWays;
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in pkgs.writeText "ways-upstreams.ctmpl" (lib.concatStringsSep "\n" upstreams);
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destination = "/run/consul-template/nginx-ways-upstreams.conf";
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exec.command = [
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"${config.services.nginx.package}/bin/nginx"
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"-s" "reload"
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"-g" "pid /run/nginx/nginx.pid;"
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];
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}
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];
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};
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};
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consul.services.ways-proxy = {
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unit = "nginx";
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mode = "external";
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definition = {
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name = "ways-proxy";
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address = depot.reflection.interfaces.primary.addrPublic;
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port = 443;
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checks = lib.singleton {
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interval = "60s";
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tcp = "127.0.0.1:80";
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};
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tags = lib.attrNames externalWays;
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};
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};
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}
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