nixpkgs/nixos/modules/services/monitoring/grafana.nix
Bjørn Forsman d99033beb9 grafana service: unbreak
Accidentally broken by 4fede53c09
("nixos manuals: bring back package references").

Without this fix, grafana won't start:

$ systemctl status grafana
...
systemd[1]: Starting Grafana Service Daemon...
systemd[1]: Started Grafana Service Daemon.
grafana[666]: 2016/03/06 19:57:32 [log.go:75 Fatal()] [E] Failed to detect generated css or javascript files in static root (%!s(MISSING)), have you executed default grunt task?
systemd[1]: grafana.service: Main process exited, code=exited, status=1/FAILURE
systemd[1]: grafana.service: Unit entered failed state.
systemd[1]: grafana.service: Failed with result 'exit-code'.
2016-03-06 21:16:47 +01:00

238 lines
6 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.grafana;
b2s = val: if val then "true" else "false";
envOptions = {
PATHS_DATA = cfg.dataDir;
PATHS_LOGS = "${cfg.dataDir}/log";
SERVER_PROTOCOL = cfg.protocol;
SERVER_HTTP_ADDR = cfg.addr;
SERVER_HTTP_PORT = cfg.port;
SERVER_DOMAIN = cfg.domain;
SERVER_ROOT_URL = cfg.rootUrl;
SERVER_STATIC_ROOT_PATH = cfg.staticRootPath;
SERVER_CERT_FILE = cfg.certFile;
SERVER_CERT_KEY = cfg.certKey;
DATABASE_TYPE = cfg.database.type;
DATABASE_HOST = cfg.database.host;
DATABASE_NAME = cfg.database.name;
DATABASE_USER = cfg.database.user;
DATABASE_PASSWORD = cfg.database.password;
DATABASE_PATH = cfg.database.path;
SECURITY_ADMIN_USER = cfg.security.adminUser;
SECURITY_ADMIN_PASSWORD = cfg.security.adminPassword;
SECURITY_SECRET_KEY = cfg.security.secretKey;
USERS_ALLOW_SIGN_UP = b2s cfg.users.allowSignUp;
USERS_ALLOW_ORG_CREATE = b2s cfg.users.allowOrgCreate;
USERS_AUTO_ASSIGN_ORG = b2s cfg.users.autoAssignOrg;
USERS_AUTO_ASSIGN_ORG_ROLE = cfg.users.autoAssignOrgRole;
AUTH_ANONYMOUS_ENABLE = b2s cfg.auth.anonymous.enable;
} // cfg.extraOptions;
in {
options.services.grafana = {
enable = mkEnableOption "grafana";
protocol = mkOption {
description = "Which protocol to listen.";
default = "http";
type = types.enum ["http" "https"];
};
addr = mkOption {
description = "Listening address.";
default = "127.0.0.1";
type = types.str;
};
port = mkOption {
description = "Listening port.";
default = 3000;
type = types.int;
};
domain = mkOption {
description = "The public facing domain name used to access grafana from a browser.";
default = "localhost";
type = types.str;
};
rootUrl = mkOption {
description = "Full public facing url.";
default = "%(protocol)s://%(domain)s:%(http_port)s/";
type = types.str;
};
certFile = mkOption {
description = "Cert file for ssl.";
default = "";
type = types.str;
};
certKey = mkOption {
description = "Cert key for ssl.";
default = "";
type = types.str;
};
staticRootPath = mkOption {
description = "Root path for static assets.";
default = "${cfg.package}/share/grafana/public";
type = types.str;
};
package = mkOption {
description = "Package to use.";
default = pkgs.grafana;
defaultText = "pkgs.grafana";
type = types.package;
};
dataDir = mkOption {
description = "Data directory.";
default = "/var/lib/grafana";
type = types.path;
};
database = {
type = mkOption {
description = "Database type.";
default = "sqlite3";
type = types.enum ["mysql" "sqlite3" "postgresql"];
};
host = mkOption {
description = "Database host.";
default = "127.0.0.1:3306";
type = types.str;
};
name = mkOption {
description = "Database name.";
default = "grafana";
type = types.str;
};
user = mkOption {
description = "Database user.";
default = "root";
type = types.str;
};
password = mkOption {
description = "Database password.";
default = "";
type = types.str;
};
path = mkOption {
description = "Database path.";
default = "${cfg.dataDir}/data/grafana.db";
type = types.path;
};
};
security = {
adminUser = mkOption {
description = "Default admin username.";
default = "admin";
type = types.str;
};
adminPassword = mkOption {
description = "Default admin password.";
default = "admin";
type = types.str;
};
secretKey = mkOption {
description = "Secret key used for signing.";
default = "SW2YcwTIb9zpOOhoPsMm";
type = types.str;
};
};
users = {
allowSignUp = mkOption {
description = "Disable user signup / registration";
default = false;
type = types.bool;
};
allowOrgCreate = mkOption {
description = "Whether user is allowed to create organizations.";
default = false;
type = types.bool;
};
autoAssignOrg = mkOption {
description = "Whether to automatically assign new users to default org.";
default = true;
type = types.bool;
};
autoAssignOrgRole = mkOption {
description = "Default role new users will be auto assigned.";
default = "Viewer";
type = types.enum ["Viewer" "Editor"];
};
};
auth.anonymous = {
enable = mkOption {
description = "Whether to allow anonymous access";
default = false;
type = types.bool;
};
};
extraOptions = mkOption {
description = ''
Extra configuration options passed as env variables as specified in
<link xlink:href="http://docs.grafana.org/installation/configuration/">documentation</link>,
but without GF_ prefix
'';
default = {};
type = types.attrsOf types.str;
};
};
config = mkIf cfg.enable {
warnings = [
"Grafana passwords will be stored as plaintext in the Nix store!"
];
systemd.services.grafana = {
description = "Grafana Service Daemon";
wantedBy = ["multi-user.target"];
after = ["networking.target"];
environment = mapAttrs' (n: v: nameValuePair "GF_${n}" (toString v)) envOptions;
serviceConfig = {
ExecStart = "${cfg.package}/bin/grafana -homepath ${cfg.dataDir}";
WorkingDirectory = cfg.dataDir;
User = "grafana";
};
preStart = ''
ln -fs ${cfg.package}/share/grafana/conf ${cfg.dataDir}
'';
};
users.extraUsers.grafana = {
uid = config.ids.uids.grafana;
description = "Grafana user";
home = cfg.dataDir;
createHome = true;
};
};
}