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refactor: abstract docker network creation via custom options

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This commit is contained in:
Tibo De Peuter 2026-07-17 23:14:45 +02:00
parent 67c7cb6ec6
commit d4d655e735
Signed by: tdpeuter
SSH key fingerprint: SHA256:u/h/LVoqKF1Iz02uOyxe6hcjmoZASCGV2HM0TG9ZMoU
10 changed files with 49 additions and 99 deletions
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12
modules/apps/arr/default.nix
View file

@ -87,8 +87,7 @@ in {
};
# Make sure the Docker network exists.
systemd.services."docker-${networkName}-create-network" = lib.mkIf inUse {
description = "Create Docker network for ${networkName}";
homelab.dockerNetworks."${networkName}" = lib.mkIf inUse {
requiredBy = [
"docker-bazarr.service"
"docker-prowlarr.service"
@ -96,15 +95,6 @@ in {
"docker-radarr.service"
"docker-sonarr.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
${pkgs.docker}/bin/docker network create ${networkName}
fi
'';
};
# Create a user for each app.

11
modules/apps/calibre/default.nix
View file

@ -57,19 +57,10 @@ in {
};
# Make sure the Docker network exists.
systemd.services."docker-${networkName}-create-network" = {
homelab.dockerNetworks."${networkName}" = {
requiredBy = [
"docker-calibre.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
${pkgs.docker}/bin/docker network create ${networkName}
fi
'';
};
})

12
modules/apps/freshrss/default.nix
View file

@ -35,20 +35,10 @@ in {
];
};
systemd.services."docker-${networkName}-create-network" = {
description = "Create Docker network for ${networkName}";
homelab.dockerNetworks."${networkName}" = {
requiredBy = [
"docker-freshrss.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
${pkgs.docker}/bin/docker network create ${networkName}
fi
'';
};
virtualisation.oci-containers.containers.freshrss = {

12
modules/apps/gitea/default.nix
View file

@ -70,21 +70,11 @@ in {
};
# Make sure the Docker network exists.
systemd.services."docker-${networkName}-create-network" = {
description = "Create Docker network for ${networkName}";
homelab.dockerNetworks."${networkName}" = {
requiredBy = [
"docker-gitea-db.service"
"docker-gitea.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
${pkgs.docker}/bin/docker network create ${networkName}
fi
'';
};
virtualisation.oci-containers.containers = {

12
modules/apps/jellyfin/default.nix
View file

@ -75,21 +75,11 @@ in {
};
# Make sure the Docker network exists.
systemd.services."docker-${networkName}-create-network" = {
description = "Create Docker network for ${networkName}";
homelab.dockerNetworks."${networkName}" = {
requiredBy = [
"docker-jellyfin.service"
"docker-feishin.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
${pkgs.docker}/bin/docker network create ${networkName}
fi
'';
};
virtualisation.oci-containers.containers = {

26
modules/apps/solidtime/default.nix
View file

@ -92,24 +92,13 @@ in {
homelab.virtualisation.containers.enable = true;
# Make sure the Docker network exists.
systemd.services = {
"docker-${networkName}-create-network" = {
description = "Create Docker network for ${networkName}";
homelab.dockerNetworks = {
"${networkName}" = {
requiredBy = [
"${containers.solidtime.serviceName}.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
${pkgs.docker}/bin/docker network create ${networkName}
fi
'';
};
"docker-${internalNetworkName}-create-network" = {
description = "Create Docker network for ${internalNetworkName}";
"${internalNetworkName}" = {
requiredBy = [
"${containers.solidtime.serviceName}.service"
"${containers.solidtimeScheduler.serviceName}.service"
@ -117,15 +106,6 @@ in {
"${containers.solidtimeDb.serviceName}.service"
"${containers.solidtimeGotenberg.serviceName}.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${internalNetworkName}; then
${pkgs.docker}/bin/docker network create ${internalNetworkName}
fi
'';
};
};

12
modules/apps/traefik/default.nix
View file

@ -18,20 +18,10 @@ in {
homelab.virtualisation.containers.enable = true;
# Make sure the Docker network exists.
systemd.services."docker-${cfg.sharedNetworkName}-create-network" = {
description = "Create Docker network for ${cfg.sharedNetworkName}";
homelab.dockerNetworks."${cfg.sharedNetworkName}" = {
requiredBy = [
"docker-traefik.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${cfg.sharedNetworkName}; then
${pkgs.docker}/bin/docker network create ${cfg.sharedNetworkName}
fi
'';
};
virtualisation.oci-containers.containers.traefik = {

12
modules/apps/vaultwarden/default.nix
View file

@ -33,21 +33,11 @@ in {
};
# Make sure the Docker network exists.
systemd.services."docker-${networkName}-create-network" = {
description = "Create Docker network for ${networkName}";
homelab.dockerNetworks."${networkName}" = {
requiredBy = [
"docker-vaultwarden-db.service"
"docker-vaultwarden.service"
];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
${pkgs.docker}/bin/docker network create ${networkName}
fi
'';
};
virtualisation.oci-containers.containers = let

1
modules/common/default.nix
View file

@ -1,5 +1,6 @@
{
imports = [
./docker.nix
./monitoring.nix
];

38
modules/common/docker.nix Normal file
View file

@ -0,0 +1,38 @@
{ config, lib, pkgs, ... }:
{
options.homelab.dockerNetworks = lib.mkOption {
description = "Declarative Docker networks to create before containers start.";
default = {};
type = lib.types.attrsOf (lib.types.submodule {
options = {
requiredBy = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [];
description = "List of systemd services that require this network (e.g., docker-containerName.service).";
};
};
});
};
config = {
systemd.services = lib.mapAttrs' (networkName: cfg:
lib.nameValuePair "docker-${networkName}-create-network" {
description = "Create Docker network for ${networkName}";
requiredBy = cfg.requiredBy;
after = [ "network.target" "docker.service" ];
requires = [ "docker.service" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart = pkgs.writeShellScript "create-${networkName}-docker-network" ''
if ! ${pkgs.docker}/bin/docker network ls | grep -q ${networkName}; then
${pkgs.docker}/bin/docker network create ${networkName}
fi
'';
};
}
) config.homelab.dockerNetworks;
};
}