{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}/bin/hologram-server --debug --conf ${cfgFile}"; }; }; }; }