borgbackup-static: only print warning if it is actually used
This commit is contained in:
Jörg Thalheim
@@ -3,101 +3,102 @@ let
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clanDir = config.clan.core.clanDir;
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machineDir = clanDir + "/machines/";
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in
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lib.warn
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"The borgbackup-static module is deprecated use the service via the inventory interface instead."
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{
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imports = [ ../borgbackup ];
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{
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imports = [ ../borgbackup ];
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options.clan.borgbackup-static = {
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excludeMachines = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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example = [ config.clan.core.machineName ];
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default = [ ];
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description = ''
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Machines that should not be backuped.
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Mutually exclusive with includeMachines.
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If this is not empty, every other machine except the targets in the clan will be backuped by this module.
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If includeMachines is set, only the included machines will be backuped.
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'';
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};
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includeMachines = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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example = [ config.clan.core.machineName ];
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default = [ ];
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description = ''
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Machines that should be backuped.
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Mutually exclusive with excludeMachines.
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'';
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};
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targets = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = ''
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Machines that should act as target machines for backups.
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'';
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};
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options.clan.borgbackup-static = {
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excludeMachines = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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example = [ config.clan.core.machineName ];
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default = [ ];
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description = ''
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Machines that should not be backuped.
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Mutually exclusive with includeMachines.
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If this is not empty, every other machine except the targets in the clan will be backuped by this module.
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If includeMachines is set, only the included machines will be backuped.
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'';
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};
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includeMachines = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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example = [ config.clan.core.machineName ];
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default = [ ];
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description = ''
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Machines that should be backuped.
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Mutually exclusive with excludeMachines.
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'';
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};
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targets = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = ''
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Machines that should act as target machines for backups.
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'';
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};
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};
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config.services.borgbackup.repos =
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let
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machines = builtins.readDir machineDir;
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borgbackupIpMachinePath = machines: machineDir + machines + "/facts/borgbackup.ssh.pub";
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filteredMachines =
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if ((builtins.length config.clan.borgbackup-static.includeMachines) != 0) then
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lib.filterAttrs (name: _: (lib.elem name config.clan.borgbackup-static.includeMachines)) machines
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else
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lib.filterAttrs (name: _: !(lib.elem name config.clan.borgbackup-static.excludeMachines)) machines;
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machinesMaybeKey = lib.mapAttrsToList (
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machine: _:
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let
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fullPath = borgbackupIpMachinePath machine;
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in
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if builtins.pathExists fullPath then machine else null
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) filteredMachines;
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machinesWithKey = lib.filter (x: x != null) machinesMaybeKey;
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hosts = builtins.map (machine: {
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name = machine;
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value = {
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path = "/var/lib/borgbackup/${machine}";
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authorizedKeys = [ (builtins.readFile (borgbackupIpMachinePath machine)) ];
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};
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}) machinesWithKey;
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in
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lib.mkIf
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(builtins.any (
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target: target == config.clan.core.machineName
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) config.clan.borgbackup-static.targets)
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(if (builtins.listToAttrs hosts) != null then builtins.listToAttrs hosts else { });
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config.clan.borgbackup.destinations =
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let
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destinations = builtins.map (d: {
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name = d;
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value = {
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repo = "borg@${d}:/var/lib/borgbackup/${config.clan.core.machineName}";
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};
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}) config.clan.borgbackup-static.targets;
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in
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lib.mkIf (builtins.any (
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config.services.borgbackup.repos =
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let
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machines = builtins.readDir machineDir;
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borgbackupIpMachinePath = machines: machineDir + machines + "/facts/borgbackup.ssh.pub";
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filteredMachines =
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if ((builtins.length config.clan.borgbackup-static.includeMachines) != 0) then
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lib.filterAttrs (name: _: (lib.elem name config.clan.borgbackup-static.includeMachines)) machines
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else
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lib.filterAttrs (name: _: !(lib.elem name config.clan.borgbackup-static.excludeMachines)) machines;
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machinesMaybeKey = lib.mapAttrsToList (
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machine: _:
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let
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fullPath = borgbackupIpMachinePath machine;
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in
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if builtins.pathExists fullPath then machine else null
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) filteredMachines;
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machinesWithKey = lib.filter (x: x != null) machinesMaybeKey;
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hosts = builtins.map (machine: {
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name = machine;
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value = {
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path = "/var/lib/borgbackup/${machine}";
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authorizedKeys = [ (builtins.readFile (borgbackupIpMachinePath machine)) ];
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};
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}) machinesWithKey;
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in
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lib.mkIf
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(builtins.any (
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target: target == config.clan.core.machineName
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) config.clan.borgbackup-static.includeMachines) (builtins.listToAttrs destinations);
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) config.clan.borgbackup-static.targets)
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(if (builtins.listToAttrs hosts) != null then builtins.listToAttrs hosts else { });
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config.assertions = [
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{
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assertion =
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!(
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((builtins.length config.clan.borgbackup-static.excludeMachines) != 0)
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&& ((builtins.length config.clan.borgbackup-static.includeMachines) != 0)
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);
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message = ''
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The options:
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config.clan.borgbackup-static.excludeMachines = [${builtins.toString config.clan.borgbackup-static.excludeMachines}]
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and
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config.clan.borgbackup-static.includeMachines = [${builtins.toString config.clan.borgbackup-static.includeMachines}]
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are mutually exclusive.
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Use excludeMachines to exclude certain machines and backup the other clan machines.
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Use include machines to only backup certain machines.
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'';
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}
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];
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}
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config.clan.borgbackup.destinations =
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let
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destinations = builtins.map (d: {
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name = d;
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value = {
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repo = "borg@${d}:/var/lib/borgbackup/${config.clan.core.machineName}";
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};
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}) config.clan.borgbackup-static.targets;
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in
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lib.mkIf (builtins.any (
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target: target == config.clan.core.machineName
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) config.clan.borgbackup-static.includeMachines) (builtins.listToAttrs destinations);
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config.assertions = [
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{
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assertion =
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!(
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((builtins.length config.clan.borgbackup-static.excludeMachines) != 0)
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&& ((builtins.length config.clan.borgbackup-static.includeMachines) != 0)
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);
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message = ''
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The options:
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config.clan.borgbackup-static.excludeMachines = [${builtins.toString config.clan.borgbackup-static.excludeMachines}]
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and
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config.clan.borgbackup-static.includeMachines = [${builtins.toString config.clan.borgbackup-static.includeMachines}]
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are mutually exclusive.
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Use excludeMachines to exclude certain machines and backup the other clan machines.
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Use include machines to only backup certain machines.
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'';
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}
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];
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config.warnings = lib.optional (
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builtins.length config.clan.borgbackup-static.targets > 0
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) "The borgbackup-static module is deprecated use the service via the inventory interface instead.";
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}
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