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-rw-r--r--krebs/3modules/syncthing.nix80
1 files changed, 57 insertions, 23 deletions
diff --git a/krebs/3modules/syncthing.nix b/krebs/3modules/syncthing.nix
index 9c6acfb0c..939c8fddf 100644
--- a/krebs/3modules/syncthing.nix
+++ b/krebs/3modules/syncthing.nix
@@ -2,40 +2,69 @@
let
- cfg = config.krebs.syncthing;
+ kcfg = config.krebs.syncthing;
+ scfg = config.services.syncthing;
devices = mapAttrsToList (name: peer: {
name = name;
deviceID = peer.id;
addresses = peer.addresses;
- }) cfg.peers;
+ }) kcfg.peers;
folders = mapAttrsToList ( _: folder: {
inherit (folder) path id type;
- devices = map (peer: { deviceId = cfg.peers.${peer}.id; }) folder.peers;
+ devices = map (peer: { deviceId = kcfg.peers.${peer}.id; }) folder.peers;
rescanIntervalS = folder.rescanInterval;
fsWatcherEnabled = folder.watch;
fsWatcherDelayS = folder.watchDelay;
+ ignoreDelete = folder.ignoreDelete;
ignorePerms = folder.ignorePerms;
- }) cfg.folders;
+ }) kcfg.folders;
getApiKey = pkgs.writeDash "getAPIKey" ''
${pkgs.libxml2}/bin/xmllint \
--xpath 'string(configuration/gui/apikey)'\
- ${config.services.syncthing.configDir}/config.xml
+ ${scfg.configDir}/config.xml
'';
updateConfig = pkgs.writeDash "merge-syncthing-config" ''
set -efu
+
+ # XXX this assumes the GUI address to be "IPv4 address and port"
+ host=${shell.escape (elemAt (splitString ":" scfg.guiAddress) 0)}
+ port=${shell.escape (elemAt (splitString ":" scfg.guiAddress) 1)}
+
# wait for service to restart
- ${pkgs.untilport}/bin/untilport localhost 8384
+ ${pkgs.untilport}/bin/untilport "$host" "$port"
+
API_KEY=$(${getApiKey})
- CFG=$(${pkgs.curl}/bin/curl -Ss -H "X-API-Key: $API_KEY" localhost:8384/rest/system/config)
- echo "$CFG" | ${pkgs.jq}/bin/jq -s '.[] as $in | $in * {
- "devices": (${builtins.toJSON devices}${optionalString (! cfg.overridePeers) " + $in.devices"}),
- "folders": (${builtins.toJSON folders}${optionalString (! cfg.overrideFolders) " + $in.folders"})
- }' | ${pkgs.curl}/bin/curl -Ss -H "X-API-Key: $API_KEY" localhost:8384/rest/system/config -d @-
- ${pkgs.curl}/bin/curl -Ss -H "X-API-Key: $API_KEY" localhost:8384/rest/system/restart -X POST
+
+ _curl() {
+ ${pkgs.curl}/bin/curl \
+ -Ss \
+ -H "X-API-Key: $API_KEY" \
+ "http://$host:$port/rest""$@"
+ }
+
+ old_config=$(_curl /system/config)
+ new_config=${shell.escape (toJSON {
+ inherit devices folders;
+ })}
+ new_config=$(${pkgs.jq}/bin/jq -en \
+ --argjson old_config "$old_config" \
+ --argjson new_config "$new_config" \
+ '
+ $old_config * $new_config
+ ${optionalString (!kcfg.overridePeers) ''
+ * { devices: $old_config.devices }
+ ''}
+ ${optionalString (!kcfg.overrideFolders) ''
+ * { folders: $old_config.folders }
+ ''}
+ '
+ )
+ echo $new_config | _curl /system/config -d @-
+ _curl /system/restart -X POST
'';
in
@@ -129,6 +158,11 @@ in
default = 10;
};
+ ignoreDelete = mkOption {
+ type = types.bool;
+ default = false;
+ };
+
ignorePerms = mkOption {
type = types.bool;
default = true;
@@ -139,19 +173,19 @@ in
};
};
- config = (mkIf cfg.enable) {
+ config = mkIf kcfg.enable {
- systemd.services.syncthing = mkIf (cfg.cert != null || cfg.key != null) {
+ systemd.services.syncthing = mkIf (kcfg.cert != null || kcfg.key != null) {
preStart = ''
- ${optionalString (cfg.cert != null) ''
- cp ${toString cfg.cert} ${config.services.syncthing.configDir}/cert.pem
- chown ${config.services.syncthing.user}:${config.services.syncthing.group} ${config.services.syncthing.configDir}/cert.pem
- chmod 400 ${config.services.syncthing.configDir}/cert.pem
+ ${optionalString (kcfg.cert != null) ''
+ cp ${toString kcfg.cert} ${scfg.configDir}/cert.pem
+ chown ${scfg.user}:${scfg.group} ${scfg.configDir}/cert.pem
+ chmod 400 ${scfg.configDir}/cert.pem
''}
- ${optionalString (cfg.key != null) ''
- cp ${toString cfg.key} ${config.services.syncthing.configDir}/key.pem
- chown ${config.services.syncthing.user}:${config.services.syncthing.group} ${config.services.syncthing.configDir}/key.pem
- chmod 400 ${config.services.syncthing.configDir}/key.pem
+ ${optionalString (kcfg.key != null) ''
+ cp ${toString kcfg.key} ${scfg.configDir}/key.pem
+ chown ${scfg.user}:${scfg.group} ${scfg.configDir}/key.pem
+ chmod 400 ${scfg.configDir}/key.pem
''}
'';
};
@@ -161,7 +195,7 @@ in
wantedBy = [ "multi-user.target" ];
serviceConfig = {
- User = config.services.syncthing.user;
+ User = scfg.user;
RemainAfterExit = true;
Type = "oneshot";
ExecStart = updateConfig;