nixpkgs/nixos/modules/services/security/hologram-server.nix

131 lines
3.6 KiB
Nix

{pkgs, config, lib, ...}:
with lib;
let
cfg = config.services.hologram-server;
cfgFile = pkgs.writeText "hologram-server.json" (builtins.toJSON {
ldap = {
host = cfg.ldapHost;
bind = {
dn = cfg.ldapBindDN;
password = cfg.ldapBindPassword;
};
insecureldap = cfg.ldapInsecure;
userattr = cfg.ldapUserAttr;
baseDN = cfg.ldapBaseDN;
enableldapRoles = cfg.enableLdapRoles;
roleAttr = cfg.roleAttr;
groupClassAttr = cfg.groupClassAttr;
};
aws = {
account = cfg.awsAccount;
defaultrole = cfg.awsDefaultRole;
};
stats = cfg.statsAddress;
listen = cfg.listenAddress;
cachetimeout = cfg.cacheTimeoutSeconds;
});
in {
options = {
services.hologram-server = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the Hologram server for AWS instance credentials";
};
listenAddress = mkOption {
type = types.str;
default = "0.0.0.0:3100";
description = "Address and port to listen on";
};
ldapHost = mkOption {
type = types.str;
description = "Address of the LDAP server to use";
};
ldapInsecure = mkOption {
type = types.bool;
default = false;
description = "Whether to connect to LDAP over SSL or not";
};
ldapUserAttr = mkOption {
type = types.str;
default = "cn";
description = "The LDAP attribute for usernames";
};
ldapBaseDN = mkOption {
type = types.str;
description = "The base DN for your Hologram users";
};
ldapBindDN = mkOption {
type = types.str;
description = "DN of account to use to query the LDAP server";
};
ldapBindPassword = mkOption {
type = types.str;
description = "Password of account to use to query the LDAP server";
};
enableLdapRoles = mkOption {
type = types.bool;
default = false;
description = "Whether to assign user roles based on the user's LDAP group memberships";
};
groupClassAttr = mkOption {
type = types.str;
default = "groupOfNames";
description = "The objectclass attribute to search for groups when enableLdapRoles is true";
};
roleAttr = mkOption {
type = types.str;
default = "businessCategory";
description = "Which LDAP group attribute to search for authorized role ARNs";
};
awsAccount = mkOption {
type = types.str;
description = "AWS account number";
};
awsDefaultRole = mkOption {
type = types.str;
description = "AWS default role";
};
statsAddress = mkOption {
type = types.str;
default = "";
description = "Address of statsd server";
};
cacheTimeoutSeconds = mkOption {
type = types.int;
default = 3600;
description = "How often (in seconds) to refresh the LDAP cache";
};
};
};
config = mkIf cfg.enable {
systemd.services.hologram-server = {
description = "Provide EC2 instance credentials to machines outside of EC2";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.hologram}/bin/hologram-server --debug --conf ${cfgFile}";
};
};
};
}