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ef176dcf7e
conversions were done using https://github.com/pennae/nix-doc-munge using (probably) rev f34e145 running nix-doc-munge nixos/**/*.nix nix-doc-munge --import nixos/**/*.nix the tool ensures that only changes that could affect the generated manual *but don't* are committed, other changes require manual review and are discarded.
74 lines
2.2 KiB
Nix
74 lines
2.2 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.ssm-agent;
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# The SSM agent doesn't pay attention to our /etc/os-release yet, and the lsb-release tool
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# in nixpkgs doesn't seem to work properly on NixOS, so let's just fake the two fields SSM
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# looks for. See https://github.com/aws/amazon-ssm-agent/issues/38 for upstream fix.
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fake-lsb-release = pkgs.writeScriptBin "lsb_release" ''
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#!${pkgs.runtimeShell}
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case "$1" in
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-i) echo "nixos";;
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-r) echo "${config.system.nixos.version}";;
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esac
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'';
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in {
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options.services.ssm-agent = {
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enable = mkEnableOption (lib.mdDoc "AWS SSM agent");
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package = mkOption {
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type = types.path;
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description = lib.mdDoc "The SSM agent package to use";
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default = pkgs.ssm-agent.override { overrideEtc = false; };
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defaultText = literalExpression "pkgs.ssm-agent.override { overrideEtc = false; }";
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};
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};
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config = mkIf cfg.enable {
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systemd.services.ssm-agent = {
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inherit (cfg.package.meta) description;
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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path = [ fake-lsb-release pkgs.coreutils ];
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serviceConfig = {
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ExecStart = "${cfg.package}/bin/amazon-ssm-agent";
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KillMode = "process";
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# We want this restating pretty frequently. It could be our only means
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# of accessing the instance.
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Restart = "always";
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RestartSec = "1min";
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};
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};
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# Add user that Session Manager needs, and give it sudo.
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# This is consistent with Amazon Linux 2 images.
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security.sudo.extraRules = [
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{
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users = [ "ssm-user" ];
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commands = [
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{
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command = "ALL";
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options = [ "NOPASSWD" ];
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}
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];
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}
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];
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# On Amazon Linux 2 images, the ssm-user user is pretty much a
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# normal user with its own group. We do the same.
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users.groups.ssm-user = {};
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users.users.ssm-user = {
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isNormalUser = true;
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group = "ssm-user";
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};
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environment.etc."amazon/ssm/seelog.xml".source = "${cfg.package}/seelog.xml.template";
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environment.etc."amazon/ssm/amazon-ssm-agent.json".source = "${cfg.package}/etc/amazon/ssm/amazon-ssm-agent.json.template";
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};
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}
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