c4patino/yumeami
1
0
Fork 0
Code Activity Actions

refactor: make all host and ip lookups centralize in the main lib

Browse source
This commit is contained in:
Ceferino Patino 2026-06-21 14:08:18 -05:00
commit ce339f71cb
Signed by: c4patino
SSH key fingerprint: SHA256:Wu+cU1t+7zVT9wzew/4meNmeulo66NzMqc22MdDBgXI
23 changed files with 94 additions and 121 deletions
Download patch file Download diff file Expand all files Collapse all files

61
lib/module/default.nix
View file

@ -140,6 +140,32 @@ with lib; rec {
then devices.${node}.gateway
else false;
## Resolve the hostname that hosts a specific database.
##
## @param databases A set mapping hostnames to lists of database names.
## @param dbName The name of the database to find.
## @return The hostname where the database is hosted.
## @throws If no host is found for the given database.
resolveDatabaseHost = databases: dbName: let
matchingHosts =
databases
|> filterAttrs (host: dbs: lib.elem dbName dbs)
|> attrNames;
in
if matchingHosts == []
then throw "No host found for database '${dbName}'."
else builtins.head matchingHosts;
## Resolve the IP address of the host that hosts a specific database.
##
## @param devices A set mapping hostnames to their configuration (must include `ip`).
## @param databases A set mapping hostnames to lists of database names.
## @param dbName The name of the database to find.
## @return The IP address of the host where the database is hosted.
## @throws If no host is found for the given database.
resolveDatabaseIP = devices: databases: dbName:
resolveHostIP devices (resolveDatabaseHost databases dbName);
## Check for configuration conflicts between mount and share declarations.
##
## @param shares A list of folder names that are shared.
@ -223,15 +249,6 @@ with lib; rec {
then throw "flattenHostServices: duplicate service names across hosts detected"
else flattenedAttrs;
## Check if a host has any services defined in the network-services config.
##
## @param networkServices The network-services attribute set (host-first shape).
## @param hostName The hostname to check.
## @return true if the host has any services defined, false otherwise.
hostHasServices = networkServices: hostName:
networkServices ? ${hostName}
&& networkServices.${hostName} != {};
## Check if a host has a specific service defined in the network-services config.
##
## @param networkServices The network-services attribute set (host-first shape).
@ -242,20 +259,20 @@ with lib; rec {
networkServices ? ${hostName}
&& networkServices.${hostName} ? ${serviceName};
## Get the port for a service from the flattened network-services map.
## Resolve the port for a service from the network-services map.
##
## @param networkServicesFlat The flattened network-services map (from flattenHostServices).
## @param serviceName The name of the service.
## @param defaultPort The default port to use if not specified in network-services.
## @return The port (either from config or default).
getServicePort = networkServicesFlat: serviceName: defaultPort:
networkServicesFlat.${serviceName}.port or defaultPort;
## @param networkServices The network-services attribute set (host-first shape).
## @param serviceName The name of the service.
## @param defaultPort The default port to use if not specified in network-services.
## @return The port (either from config or default).
resolveServicePort = networkServices: serviceName: defaultPort:
(flattenHostServices networkServices).${serviceName}.port or defaultPort;
## Get the host for a service from the flattened network-services map.
## Resolve the host for a service from the network-services map.
##
## @param networkServicesFlat The flattened network-services map (from flattenHostServices).
## @param serviceName The name of the service.
## @return The host name where the service is defined.
getServiceHost = networkServicesFlat: serviceName:
networkServicesFlat.${serviceName}.host;
## @param networkServices The network-services attribute set (host-first shape).
## @param serviceName The name of the service.
## @return The host name where the service is defined.
resolveServiceHost = networkServices: serviceName:
(flattenHostServices networkServices).${serviceName}.host;
}