95 lines
2.1 KiB
Nix
95 lines
2.1 KiB
Nix
{ stdenv
|
|
, pkgs
|
|
, utils
|
|
}:
|
|
{ name ? "keycloak-haproxy"
|
|
, domain
|
|
, realms ? []
|
|
, every ? "10m"
|
|
|
|
, KeycloakService
|
|
}:
|
|
|
|
rec {
|
|
inherit name;
|
|
|
|
stateDir = "keycloak-public-keys";
|
|
downloadDir = "/var/lib/keycloak-public-keys";
|
|
systemdUnitFile = "keycloak-haproxy.service";
|
|
|
|
pkg =
|
|
with pkgs.lib;
|
|
let
|
|
bin = pkgs.writeShellApplication {
|
|
name = "get-realms.sh";
|
|
runtimeInputs = [ pkgs.coreutils pkgs.curl pkgs.jq ];
|
|
text = ''
|
|
set -euxo pipefail
|
|
|
|
realms="$1"
|
|
|
|
for realm in $realms; do
|
|
curl "${domain}/realms/$realm" | jq --raw-output .public_key > "${downloadDir}/$realm.pem"
|
|
done
|
|
'';
|
|
};
|
|
in
|
|
{ KeycloakService
|
|
, ...
|
|
}: utils.systemd.mkService rec {
|
|
name = "keycloak-haproxy";
|
|
|
|
content = ''
|
|
[Unit]
|
|
Description=Get Keycloak realms for Haproxy
|
|
|
|
[Service]
|
|
ExecStart=${bin}/bin/get-realms.sh ${concatStringsSep " " realms}
|
|
DynamicUser=true
|
|
|
|
CapabilityBoundingSet=
|
|
AmbientCapabilities=
|
|
StateDirectory=${stateDir}
|
|
PrivateUsers=yes
|
|
NoNewPrivileges=yes
|
|
ProtectSystem=strict
|
|
ProtectHome=yes
|
|
PrivateTmp=yes
|
|
PrivateDevices=yes
|
|
ProtectHostname=yes
|
|
ProtectClock=yes
|
|
ProtectKernelTunables=yes
|
|
ProtectKernelModules=yes
|
|
ProtectKernelLogs=yes
|
|
ProtectControlGroups=yes
|
|
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
|
|
RestrictNamespaces=yes
|
|
LockPersonality=yes
|
|
MemoryDenyWriteExecute=yes
|
|
RestrictRealtime=yes
|
|
RestrictSUIDSGID=yes
|
|
RemoveIPC=yes
|
|
|
|
SystemCallFilter=@system-service
|
|
SystemCallFilter=~@privileged @resources
|
|
SystemCallArchitectures=native
|
|
'';
|
|
|
|
timer = ''
|
|
[Unit]
|
|
Description=Run ${name}
|
|
After=network.target ${KeycloakService.systemdUnitFile}
|
|
|
|
[Timer]
|
|
OnUnitActiveSec=${every}
|
|
|
|
[Install]
|
|
WantedBy=timers.target
|
|
'';
|
|
};
|
|
|
|
dependsOn = {
|
|
inherit KeycloakService;
|
|
};
|
|
type = "systemd-unit";
|
|
}
|