203 lines
7.5 KiB
Nix
203 lines
7.5 KiB
Nix
import ./make-test-python.nix ({ lib, pkgs, ... }:
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# This nixosTest is supposed to check the following:
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#
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# - Whether syncthing's API handles multiple requests for many devices, see
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# https://github.com/NixOS/nixpkgs/issues/260262
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#
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# - Whether syncthing-init.service generated bash script removes devices and
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# folders that are not present in the user's configuration, which is partly
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# injected into the script. See also:
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# https://github.com/NixOS/nixpkgs/issues/259256
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#
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let
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# Just a long path not to copy paste
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configPath = "/var/lib/syncthing/.config/syncthing/config.xml";
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# We will iterate this and more attribute sets defined here, later in the
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# testScript. Start with this, and distinguish these settings from other
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# settings, as we check these differently with xmllint, due to the ID.
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settingsWithId = {
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devices = {
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# All of the device IDs used here were generated by the following command:
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#
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# (${pkgs.syncthing}/bin/syncthing generate --home /tmp/foo\
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# | grep ID: | sed 's/.*ID: *//') && rm -rf /tmp/foo
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#
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# See also discussion at:
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# https://forum.syncthing.net/t/how-to-generate-dummy-device-ids/20927/8
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test_device1.id = "IVTZ5XF-EF3GKFT-GS4AZLG-IT6H2ZP-6WK75SF-AFXQXJJ-BNRZ4N6-XPDKVAU";
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test_device2.id = "5C35H56-Z2GFF4F-F3IVD4B-GJYVWIE-SMDBJZN-GI66KWP-52JIQGN-4AVLYAM";
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test_device3.id = "XKLSKHE-BZOHV7B-WQZACEF-GTH36NP-6JSBB6L-RXS3M7C-EEVWO2L-C5B4OAJ";
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test_device4.id = "APN5Q7J-35GZETO-5KCLF35-ZA7KBWK-HGWPBNG-FERF24R-UTLGMEX-4VJ6PQX";
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test_device5.id = "D4YXQEE-5MK6LIK-BRU5QWM-ZRXJCK2-N3RQBJE-23JKTQQ-LYGDPHF-RFPZIQX";
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test_device6.id = "TKMCH64-T44VSLI-6FN2YLF-URBZOBR-ATO4DYX-GEDRIII-CSMRQAI-UAQMDQG";
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test_device7.id = "472EEBG-Q4PZCD4-4CX6PGF-XS3FSQ2-UFXBZVB-PGNXWLX-7FKBLER-NJ3EMAR";
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test_device8.id = "HW6KUMK-WTBG24L-2HZQXLO-TGJSG2M-2JG3FHX-5OGYRUJ-T6L5NN7-L364QAZ";
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test_device9.id = "YAE24AP-7LSVY4T-J74ZSEM-A2IK6RB-FGA35TP-AG4CSLU-ED4UYYY-2J2TDQU";
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test_device10.id = "277XFSB-OFMQOBI-3XGNGUE-Y7FWRV3-QQDADIY-QIIPQ26-EOGTYKW-JP2EXAI";
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test_device11.id = "2WWXVTN-Q3QWAAY-XFORMRM-2FDI5XZ-OGN33BD-XOLL42R-DHLT2ML-QYXDQAU";
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};
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# Generates a few folders with IDs and paths as written...
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folders = lib.pipe 6 [
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(builtins.genList (x: {
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name = "/var/lib/syncthing/test_folder${builtins.toString x}";
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value = {
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id = "DontDeleteMe${builtins.toString x}";
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};
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}))
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builtins.listToAttrs
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];
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};
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# Non default options that we check later if were applied
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settingsWithoutId = {
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options = {
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autoUpgradeIntervalH = 0;
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urAccepted = -1;
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};
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gui = {
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theme = "dark";
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};
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};
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# Used later when checking whether settings were set in config.xml:
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checkSettingWithId = { t # t for type
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, id
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, not ? false
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}: ''
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print("Searching for a ${t} with id ${id}")
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configVal_${t} = machine.succeed(
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"${pkgs.libxml2}/bin/xmllint "
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"--xpath 'string(//${t}[@id=\"${id}\"]/@id)' ${configPath}"
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)
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print("${t}.id = {}".format(configVal_${t}))
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assert "${id}" ${if not then "not" else ""} in configVal_${t}
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'';
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# Same as checkSettingWithId, but for 'options' and 'gui'
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checkSettingWithoutId = { t # t for type
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, n # n for name
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, v # v for value
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, not ? false
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}: ''
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print("checking whether setting ${t}.${n} is set to ${v}")
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configVal_${t}_${n} = machine.succeed(
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"${pkgs.libxml2}/bin/xmllint "
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"--xpath 'string(/configuration/${t}/${n})' ${configPath}"
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)
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print("${t}.${n} = {}".format(configVal_${t}_${n}))
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assert "${v}" ${if not then "not" else ""} in configVal_${t}_${n}
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'';
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# Removes duplication a bit to define this function for the IDs to delete -
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# we check whether they were added after our script ran, and before the
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# systemd unit's bash script ran, and afterwards - whether the systemd unit
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# worked.
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checkSettingsToDelete = {
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not
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}: lib.pipe IDsToDelete [
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(lib.mapAttrsToList (t: id:
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checkSettingWithId {
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inherit t id;
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inherit not;
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}
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))
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lib.concatStrings
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];
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# These IDs are added to syncthing using the API, similarly to how the
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# generated systemd unit's bash script does it. Only we add it and expect the
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# systemd unit bash script to remove them when executed.
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IDsToDelete = {
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# Also created using the syncthing generate command above
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device = "LZ2CTHT-3W2M7BC-CMKDFZL-DLUQJFS-WJR73PA-NZGODWG-DZBHCHI-OXTQXAK";
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# Intentionally this is a substring of the IDs of the 'test_folder's, as
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# explained in: https://github.com/NixOS/nixpkgs/issues/259256
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folder = "DeleteMe";
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};
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addDeviceToDeleteScript = pkgs.writers.writeBash "syncthing-add-device-to-delete.sh" ''
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set -euo pipefail
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export RUNTIME_DIRECTORY=/tmp
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curl() {
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# get the api key by parsing the config.xml
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while
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! ${pkgs.libxml2}/bin/xmllint \
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--xpath 'string(configuration/gui/apikey)' \
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${configPath} \
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>"$RUNTIME_DIRECTORY/api_key"
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do sleep 1; done
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(printf "X-API-Key: "; cat "$RUNTIME_DIRECTORY/api_key") >"$RUNTIME_DIRECTORY/headers"
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${pkgs.curl}/bin/curl -sSLk -H "@$RUNTIME_DIRECTORY/headers" \
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--retry 1000 --retry-delay 1 --retry-all-errors \
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"$@"
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}
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curl -d ${lib.escapeShellArg (builtins.toJSON { deviceID = IDsToDelete.device;})} \
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-X POST 127.0.0.1:8384/rest/config/devices
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curl -d ${lib.escapeShellArg (builtins.toJSON { id = IDsToDelete.folder;})} \
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-X POST 127.0.0.1:8384/rest/config/folders
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'';
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in {
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name = "syncthing-init";
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meta.maintainers = with lib.maintainers; [ doronbehar ];
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nodes.machine = {
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services.syncthing = {
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enable = true;
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overrideDevices = true;
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overrideFolders = true;
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settings = settingsWithoutId // settingsWithId;
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};
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};
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testScript = ''
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machine.wait_for_unit("syncthing-init.service")
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'' + (lib.pipe settingsWithId [
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# Check that folders and devices were added properly and that all IDs exist
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(lib.mapAttrsRecursive (path: id:
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checkSettingWithId {
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# plural -> solitary
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t = (lib.removeSuffix "s" (builtins.elemAt path 0));
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inherit id;
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}
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))
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# Get all the values we applied the above function upon
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(lib.collect builtins.isString)
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lib.concatStrings
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]) + (lib.pipe settingsWithoutId [
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# Check that all other syncthing.settings were added properly with correct
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# values
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(lib.mapAttrsRecursive (path: value:
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checkSettingWithoutId {
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t = (builtins.elemAt path 0);
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n = (builtins.elemAt path 1);
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v = (builtins.toString value);
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}
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))
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# Get all the values we applied the above function upon
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(lib.collect builtins.isString)
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lib.concatStrings
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]) + ''
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# Run the script on the machine
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machine.succeed("${addDeviceToDeleteScript}")
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'' + (checkSettingsToDelete {
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not = false;
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}) + ''
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# Useful for debugging later
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machine.copy_from_vm("${configPath}", "before")
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machine.systemctl("restart syncthing-init.service")
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machine.wait_for_unit("syncthing-init.service")
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'' + (checkSettingsToDelete {
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not = true;
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}) + ''
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# Useful for debugging later
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machine.copy_from_vm("${configPath}", "after")
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# Copy the systemd unit's bash script, to inspect it for debugging.
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mergeScript = machine.succeed(
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"systemctl cat syncthing-init.service | "
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"${pkgs.initool}/bin/initool g - Service ExecStart --value-only"
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).strip() # strip from new lines
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machine.copy_from_vm(mergeScript, "")
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'';
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})
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