feat(tailscale): Install k8s operator
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8fc6961362
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7 changed files with 66 additions and 89 deletions
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@ -176,6 +176,11 @@
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module = "${self}/kubenix-modules/minecraft.nix";
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namespace = "minecraft";
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};
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tailscale = {
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module = "${self}/kubenix-modules/tailscale.nix";
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namespace = "tailscale";
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};
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};
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in
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{
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@ -1,6 +1,5 @@
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{ lib, nixhelm, system, machines, ... }: {
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kubernetes = {
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helm.releases = {
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metallb = {
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chart = nixhelm.chartsDerivations.${system}.metallb.metallb;
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@ -48,6 +47,7 @@
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dns = { };
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media = { };
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minecraft = { };
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tailscale = { };
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};
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nodes =
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@ -1,91 +1,50 @@
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{ lib, config, ... }:
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let
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cfg = config.lab.tailscale;
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secretName = "tailscale-auth";
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roleName = "tailscale";
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sidecarContainername = "tailscale-sidecar";
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in
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{
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{ lib, config, ... }: {
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options = with lib.types; {
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lab.tailscale = {
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enable = lib.mkEnableOption "tailscale";
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lab.tailscaleIngresses = lib.mkOption {
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type = attrsOf (submodule {
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options = {
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host = lib.mkOption { type = str; };
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allowedServiceAccounts = lib.mkOption {
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type = listOf str;
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service = {
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name = lib.mkOption { type = str; };
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description = ''
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Allow specified service accounts to manage Tailscale authentication.
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'';
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portName = lib.mkOption {
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type = str;
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default = "web";
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};
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deploymentsWithSidecarContainers = lib.mkOption {
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type = attrsOf (submodule ({ name, ... }: {
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options.hostName = lib.mkOption { type = str; };
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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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config =
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let
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mkRoleBinding = name: {
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name = "${name}-${roleName}";
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value = {
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subjects = [{
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inherit name;
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kind = "ServiceAccount";
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cfg = config.lab.tailscaleIngresses;
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mkTailscaleIngress = name: { host, service }: {
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spec = {
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ingressClassName = "tailscale";
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rules = [{
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http.paths = [{
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path = "/";
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pathType = "Prefix";
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backend.service = {
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name = service.name;
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port.name = service.portName;
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};
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}];
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}];
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roleRef = {
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kind = "Role";
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name = roleName;
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apiGroup = "rbac.authorization.k8s.io";
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};
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};
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};
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mkSidecarContainer = name: { hostName, ... }: {
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spec.template.spec.containers.${sidecarContainername} = {
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imagePullPolicy = "Always";
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image = "ghcr.io/tailscale/tailscale:latest";
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env = {
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TS_HOSTNAME.value = hostName;
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TS_KUBE_SECRET.value = secretName;
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TS_USERSPACE.value = "false";
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TS_DEBUG_FIREWALL_MODE.value = "auto";
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TS_AUTHKEY.valueFrom.secretKeyRef = {
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name = secretName;
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key = "TS_AUTHKEY";
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optional = true;
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};
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};
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securityContext.capabilities.add = [ "NET_ADMIN" ];
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tls = [{
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hosts = [ host ];
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}];
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};
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};
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in
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{
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kubernetes.resources = lib.mkIf cfg.enable {
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secrets.${secretName}.stringData.TS_AUTHKEY = "ref+sops://secrets/kubernetes.yaml#/tailscale/authKey";
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roles.${roleName}.rules = [
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{
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apiGroups = [ "" ];
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resources = [ "secrets" ];
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verbs = [ "create" ];
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}
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{
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apiGroups = [ "" ];
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resourceNames = [ secretName ];
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resources = [ "secrets" ];
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verbs = [ "get" "update" "patch" ];
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}
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];
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roleBindings = builtins.listToAttrs (map mkRoleBinding cfg.allowedServiceAccounts);
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deployments = builtins.mapAttrs mkSidecarContainer cfg.deploymentsWithSidecarContainers;
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};
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kubernetes.resources.ingresses = builtins.mapAttrs mkTailscaleIngress cfg;
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};
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}
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@ -15,10 +15,8 @@
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inbucket = {
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image = "inbucket/inbucket:edge";
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env.INBUCKET_WEB_ADDR.value = "0.0.0.0:80";
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ports = {
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web.containerPort = 80;
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web.containerPort = 9000;
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smtp.containerPort = 2500;
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};
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};
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@ -52,9 +50,8 @@
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};
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};
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lab.tailscale = {
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enable = true;
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allowedServiceAccounts = [ "inbucket" ];
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deploymentsWithSidecarContainers.inbucket.hostName = "inbucket";
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lab.tailscaleIngresses.tailscale = {
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host = "inbucket";
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service.name = "web";
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};
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}
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@ -79,10 +79,9 @@
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storage = "400Mi";
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};
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tailscale = {
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enable = true;
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allowedServiceAccounts = [ "syncthing" ];
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deploymentsWithSidecarContainers.syncthing.hostName = "syncthing";
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tailscaleIngresses.tailscale = {
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host = "sync";
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service.name = "syncthing";
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};
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};
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}
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14
kubenix-modules/tailscale.nix
Normal file
14
kubenix-modules/tailscale.nix
Normal file
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@ -0,0 +1,14 @@
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{ nixhelm, system, ... }: {
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kubernetes = {
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helm.releases.tailscale = {
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chart = nixhelm.chartsDerivations.${system}.tailscale.tailscale-operator;
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includeCRDs = true;
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namespace = "tailscale";
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};
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resources.secrets.operator-oauth.stringData = {
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client_id = "ref+sops://secrets/kubernetes.yaml#/tailscale/oauth/clientID";
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client_secret = "ref+sops://secrets/kubernetes.yaml#/tailscale/oauth/clientSecret";
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};
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};
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}
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@ -28,6 +28,9 @@ immich:
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databasePassword: ENC[AES256_GCM,data:fZtGYiHOhYjdzBxaSdnstjlOAJE=,iv:YV+o4upajDHtwWSU6Z9h3Ncl9fXbo65KT6YMqlh2evY=,tag:BWLRc3bdnS9M70jC3SZXlA==,type:str]
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tailscale:
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authKey: ENC[AES256_GCM,data:pBbrL6/HVxDgvEeVHdnH6O3YsUB4tpRCO7SacYxSunDcMg8xcIXWWx1Zt65z9hcMcW/2AZbXC8mh+UPBRw==,iv:tTXdEAgCAHL46nN6yO0QNwJ0DUltAmQ/359TzuqXrpI=,tag:F7DtCigCRhdPBgMK3ZzV7g==,type:str]
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oauth:
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clientID: ENC[AES256_GCM,data:HLkgZ2q79LSBDCrwgzErNVE=,iv:/877rL2F/r4yxhGXaZW/TsbaU0arBKJiH9arTqfStrk=,tag:lVLJJ/D19FoSJXLu7S3ByQ==,type:str]
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clientSecret: ENC[AES256_GCM,data:AsgE6KYXP8Z/2c4WdxWOou62txjz/TNarlQn6osebPB3czVVlGky4d4KcDE2cMgXqIEY3E/LNxbjMnfxIC9s,iv:EQDN/ECzIkKXtfj2DE0JtgXEpRMMEbYbfYDMxwXkx5E=,tag:NXwbzQv38njh+a5O8kQOag==,type:str]
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sops:
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kms: []
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gcp_kms: []
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@ -52,8 +55,8 @@ sops:
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aHpYZ2VtdVBVTkxZbGFOYzRpbGltZHMKJs4E+CsthuzQZqA0Yip4G/1XK4SuoiRP
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Lo65L33lfNibdSOeIygqnyo6GBwjD52TcNQpvzkVbr3M3hWlJs8wCA==
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-----END AGE ENCRYPTED FILE-----
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lastmodified: "2024-07-18T09:03:54Z"
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mac: ENC[AES256_GCM,data:BEgztutw7barzGcbx5hkfAnauPv2H4nvwZM5iUfPJcjOkPsKTVwYAcdDdJE8wL2Nc9b4iIGSRwf9fwizyaerPR6SFt1zNHgbQz0DbUz+j/bUIXwKBSQNgK0KjiX8ONyFK62OxAhEa600OUV0cqWURUwRl+F8fRQSqQCvKuREVyE=,iv:ZMj4NAVI94bM/HwYSkZIN9hRPXWR1miIld57EeC+ckk=,tag:wy2ENtExu2mtpFPc/jy+nw==,type:str]
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lastmodified: "2024-07-21T16:43:44Z"
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mac: ENC[AES256_GCM,data:Gx9Zpdt/HzeYRj2ksmCGLaIJTcsfzxJklGdVNbtMIU888A32B72lAHfv0MbU5OBX0ZRt+VYDRncARSeTKPI3CGZu0qLtJwkDcVFGv+y+sea63DN8mmvNpYLQeif0daqE1GGMPVWukzV/2aBmfWbYBtHhm3C2v4f7KXobE83v3K0=,iv:bd+U7zyGOeH2Wq+y4RRv7kGfDkUGq1Kkfj4LOFdMJkY=,tag:5JkuFvY8kFfguBJoZfOnvg==,type:str]
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pgp: []
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unencrypted_suffix: _unencrypted
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version: 3.8.1
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