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{ config, lib, options, pkgs, ... }:
with lib;
let
cfg = config.services.coder;
name = "coder";
in {
options = {
services.coder = {
enable = mkEnableOption (lib.mdDoc "Coder service");
user = mkOption {
type = types.str;
default = "coder";
description = lib.mdDoc ''
User under which the coder service runs.
::: {.note}
If left as the default value this user will automatically be created
on system activation, otherwise it needs to be configured manually.
:::
'';
};
group = mkOption {
type = types.str;
default = "coder";
description = lib.mdDoc ''
Group under which the coder service runs.
::: {.note}
If left as the default value this group will automatically be created
on system activation, otherwise it needs to be configured manually.
:::
'';
};
package = mkOption {
type = types.package;
default = pkgs.coder;
description = lib.mdDoc ''
Package to use for the service.
'';
defaultText = literalExpression "pkgs.coder";
};
homeDir = mkOption {
type = types.str;
description = lib.mdDoc ''
Home directory for coder user.
'';
default = "/var/lib/coder";
};
listenAddress = mkOption {
type = types.str;
description = lib.mdDoc ''
Listen address.
'';
default = "127.0.0.1:3000";
};
accessUrl = mkOption {
type = types.nullOr types.str;
description = lib.mdDoc ''
Access URL should be a external IP address or domain with DNS records pointing to Coder.
'';
default = null;
example = "https://coder.example.com";
};
wildcardAccessUrl = mkOption {
type = types.nullOr types.str;
description = lib.mdDoc ''
If you are providing TLS certificates directly to the Coder server, you must use a single certificate for the root and wildcard domains.
'';
default = null;
example = "*.coder.example.com";
};
database = {
createLocally = mkOption {
type = types.bool;
default = true;
description = lib.mdDoc ''
Create the database and database user locally.
'';
};
host = mkOption {
type = types.str;
default = "/run/postgresql";
description = lib.mdDoc ''
Hostname hosting the database.
'';
};
database = mkOption {
type = types.str;
default = "coder";
description = lib.mdDoc ''
Name of database.
'';
};
username = mkOption {
type = types.str;
default = "coder";
description = lib.mdDoc ''
Username for accessing the database.
'';
};
password = mkOption {
type = types.nullOr types.str;
default = null;
description = lib.mdDoc ''
Password for accessing the database.
'';
};
sslmode = mkOption {
type = types.nullOr types.str;
default = "disable";
description = lib.mdDoc ''
Password for accessing the database.
'';
};
};
tlsCert = mkOption {
type = types.nullOr types.path;
description = lib.mdDoc ''
The path to the TLS certificate.
'';
default = null;
};
tlsKey = mkOption {
type = types.nullOr types.path;
description = lib.mdDoc ''
The path to the TLS key.
'';
default = null;
};
};
};
config = mkIf cfg.enable {
assertions = [
{ assertion = cfg.database.createLocally -> cfg.database.username == name && cfg.database.database == cfg.database.username;
message = "services.coder.database.username must be set to ${name} if services.coder.database.createLocally is set true";
}
];
systemd.services.coder = {
description = "Coder - Self-hosted developer workspaces on your infra";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
environment = {
CODER_ACCESS_URL = cfg.accessUrl;
CODER_WILDCARD_ACCESS_URL = cfg.wildcardAccessUrl;
CODER_PG_CONNECTION_URL = "user=${cfg.database.username} ${optionalString (cfg.database.password != null) "password=${cfg.database.password}"} database=${cfg.database.database} host=${cfg.database.host} ${optionalString (cfg.database.sslmode != null) "sslmode=${cfg.database.sslmode}"}";
CODER_ADDRESS = cfg.listenAddress;
CODER_TLS_ENABLE = optionalString (cfg.tlsCert != null) "1";
CODER_TLS_CERT_FILE = cfg.tlsCert;
CODER_TLS_KEY_FILE = cfg.tlsKey;
};
serviceConfig = {
ProtectSystem = "full";
PrivateTmp = "yes";
PrivateDevices = "yes";
SecureBits = "keep-caps";
AmbientCapabilities = "CAP_IPC_LOCK CAP_NET_BIND_SERVICE";
CacheDirectory = "coder";
CapabilityBoundingSet = "CAP_SYSLOG CAP_IPC_LOCK CAP_NET_BIND_SERVICE";
KillSignal = "SIGINT";
KillMode = "mixed";
NoNewPrivileges = "yes";
Restart = "on-failure";
ExecStart = "${cfg.package}/bin/coder server";
User = cfg.user;
Group = cfg.group;
};
};
services.postgresql = lib.mkIf cfg.database.createLocally {
enable = true;
ensureDatabases = [
cfg.database.database
];
ensureUsers = [{
name = cfg.user;
ensureDBOwnership = true;
}
];
};
users.groups = optionalAttrs (cfg.group == name) {
"${cfg.group}" = {};
};
users.users = optionalAttrs (cfg.user == name) {
${name} = {
description = "Coder service user";
group = cfg.group;
home = cfg.homeDir;
createHome = true;
isSystemUser = true;
};
};
};
}
|