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nixos module: add the ability to pass environment variables from the config

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Armaël Guéneau 2025-03-06 15:31:41 +01:00
parent 7ca272b612
commit 0139f6bac5
2 changed files with 15 additions and 4 deletions
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2
README.md
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@ -25,7 +25,7 @@ through (standard) environment variables.
```
custom.restic-alarm = {
enable = true;
env_file = "/path/to/secret/env";
environmentFile = "/path/to/secret/env";
};
```
where `/path/to/secret/env` points to a file containing the environment

17
flake.nix
View file

@ -49,7 +49,16 @@
options.custom.restic-alarm = {
enable = mkEnableOption (lib.mdDoc "restic-alarm: send alarms for inactive backups");
env_file = mkOption {
extraEnvironment = mkOption {
type = types.attrsOf types.str;
description = "Extra environment variables to pass to restic-alarm";
default = { };
example = {
AWS_ENDPOINT_URL = "https://mygarage.net";
};
};
environmentFile = mkOption {
type = types.path;
description = lib.mdDoc
"The file containing the environment variables to pass to restic-alarm, for e.g. S3 access keys";
@ -65,18 +74,20 @@
after = [ "network.target" "network-online.target" ];
wants = [ "network.target" "network-online.target" ];
wantedBy = [ "multi-user.target" ];
restartTriggers = [ cfg.env_file ];
restartTriggers = [ cfg.environmentFile ];
serviceConfig = {
ExecStart = "${pkg}/bin/restic-alarm";
DynamicUser = true;
EnvironmentFile = "${cfg.env_file}";
EnvironmentFile = "${cfg.environmentFile}";
};
environment = cfg.extraEnvironment;
};
systemd.timers.restic-alarm = {
partOf = [ "restic-alarm.service" ];
wantedBy = [ "timers.target" ];
after = [ "network-online.target" ];
wants = [ "network-online.target" ];
timerConfig = {
Unit = "restic-alarm.service";
Persistent = true;