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nixos/home-assistant: reload the daemon when configuration changed

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Reload the service when configuration changes. This means that we don't
have a potentially slow startup for every small configuration change.
This commit is contained in:
Andreas Rammhold 2021-12-18 23:01:33 +01:00 • committed by Martin Weinelt
parent e1e08fe28b
commit cfbcf381c2
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2 changed files with 48 additions and 3 deletions
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19
nixos/modules/services/home-automation/home-assistant.nix
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@ -369,6 +369,17 @@ in {
networking.firewall.allowedTCPPorts = mkIf cfg.openFirewall [ cfg.config.http.server_port ];
# symlink the configuration to /etc/home-assistant
environment.etc = lib.mkMerge [
(lib.mkIf (cfg.config != null && !cfg.configWritable) {
"home-assistant/configuration.yaml".source = configFile;
})
(lib.mkIf (cfg.lovelaceConfig != null && !cfg.lovelaceConfigWritable) {
"home-assistant/ui-lovelace.yaml".source = lovelaceConfigFile;
})
];
systemd.services.home-assistant = {
description = "Home Assistant";
after = [
@ -378,18 +389,22 @@ in {
"mysql.service"
"postgresql.service"
];
reloadTriggers = [
configFile
lovelaceConfigFile
];
preStart = let
copyConfig = if cfg.configWritable then ''
cp --no-preserve=mode ${configFile} "${cfg.configDir}/configuration.yaml"
'' else ''
rm -f "${cfg.configDir}/configuration.yaml"
ln -s ${configFile} "${cfg.configDir}/configuration.yaml"
ln -s /etc/home-assistant/configuration.yaml "${cfg.configDir}/configuration.yaml"
'';
copyLovelaceConfig = if cfg.lovelaceConfigWritable then ''
cp --no-preserve=mode ${lovelaceConfigFile} "${cfg.configDir}/ui-lovelace.yaml"
'' else ''
rm -f "${cfg.configDir}/ui-lovelace.yaml"
ln -s ${lovelaceConfigFile} "${cfg.configDir}/ui-lovelace.yaml"
ln -s /etc/home-assistant/ui-lovelace.yaml "${cfg.configDir}/ui-lovelace.yaml"
'';
in
(optionalString (cfg.config != null) copyConfig) +