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