checks: add backup test #650
127
checks/backups/flake-module.nix
Normal file
127
checks/backups/flake-module.nix
Normal file
@ -0,0 +1,127 @@
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{ self, ... }:
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let
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clan = self.lib.buildClan {
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clanName = "testclan";
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directory = ../..;
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machines = {
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test_backup_client = {
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imports = [ self.nixosModules.test_backup_client ];
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fileSystems."/".device = "/dev/null";
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boot.loader.grub.device = "/dev/null";
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};
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};
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};
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in
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{
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flake.nixosConfigurations = { inherit (clan.nixosConfigurations) test_backup_client; };
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flake.clanInternals = clan.clanInternals;
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flake.nixosModules = {
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test_backup_server = { ... }: {
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imports = [
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self.clanModules.borgbackup
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];
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services.sshd.enable = true;
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services.borgbackup.repos.testrepo = {
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authorizedKeys = [
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(builtins.readFile ../borgbackup/borg_test.pub)
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];
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};
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};
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test_backup_client = { pkgs, lib, ... }:
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let
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dependencies = [
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self
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pkgs.stdenv.drvPath
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] ++ builtins.map (i: i.outPath) (builtins.attrValues self.inputs);
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closureInfo = pkgs.closureInfo { rootPaths = dependencies; };
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in
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{
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imports = [
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self.clanModules.borgbackup
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];
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networking.hostName = "client";
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services.sshd.enable = true;
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users.users.root.openssh.authorizedKeys.keyFiles = [
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../borgbackup/borg_test.pub
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];
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environment.systemPackages = [ self.packages.${pkgs.system}.clan-cli ];
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environment.etc."install-closure".source = "${closureInfo}/store-paths";
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nix.settings = {
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substituters = lib.mkForce [ ];
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hashed-mirrors = null;
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connect-timeout = lib.mkForce 3;
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flake-registry = pkgs.writeText "flake-registry" ''{"flakes":[],"version":2}'';
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};
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system.extraDependencies = dependencies;
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clanCore.state.test-backups.folders = [ "/var/test-backups" ];
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clan.borgbackup = {
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enable = true;
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destinations.test_backup_server = {
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repo = "borg@server:.";
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rsh = "ssh -i /root/.ssh/id_ed25519 -o StrictHostKeyChecking=no";
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};
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};
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};
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};
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perSystem = { nodes, pkgs, ... }: {
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checks = pkgs.lib.mkIf (pkgs.stdenv.isLinux) {
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test-backups =
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(import ../lib/test-base.nix)
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{
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name = "test-backups";
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nodes.server = {
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imports = [
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self.nixosModules.test_backup_server
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self.nixosModules.clanCore
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{
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clanCore.machineName = "server";
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clanCore.clanDir = ../..;
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}
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];
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};
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nodes.client = {
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imports = [
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self.nixosModules.test_backup_client
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self.nixosModules.clanCore
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{
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clanCore.machineName = "client";
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clanCore.clanDir = ../..;
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}
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];
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};
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testScript = ''
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import json
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start_all()
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# setup
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client.succeed("mkdir -m 700 /root/.ssh")
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client.succeed(
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"cat ${../borgbackup/borg_test} > /root/.ssh/id_ed25519"
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)
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client.succeed("chmod 600 /root/.ssh/id_ed25519")
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client.wait_for_unit("sshd", timeout=30)
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print(client.succeed("ssh -o StrictHostKeyChecking=accept-new -v root@client hostname"))
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# dummy data
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client.succeed("mkdir /var/test-backups")
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client.succeed("echo testing > /var/test-backups/somefile")
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# create
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client.succeed("clan --flake ${../..} backups create test_backup_client")
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client.wait_until_succeeds("! systemctl is-active borgbackup-job-test_backup_server")
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# list
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backup_id = json.loads(client.succeed("borg-job-test_backup_server list --json"))["archives"][0]["archive"]
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assert(backup_id in client.succeed("clan --flake ${../..} backups list test_backup_client"))
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# restore
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client.succeed("rm -f /var/test-backups/somefile")
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client.succeed(f"clan --flake ${../..} backups restore test_backup_client borgbackup {backup_id}")
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assert(client.succeed("cat /var/test-backups/somefile").strip() == "testing")
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'';
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}
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{ inherit pkgs self; };
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};
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};
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}
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@ -1,6 +1,7 @@
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{ self, ... }: {
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imports = [
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./impure/flake-module.nix
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./backups/flake-module.nix
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];
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perSystem = { pkgs, lib, self', ... }: {
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checks =
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@ -83,7 +83,7 @@ in
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set -efu
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cd /
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IFS=';' read -ra FOLDER <<< "$FOLDERS"
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yes y | borg-job-"$JOB" extract --list --dry-run "$LOCATION"::"$ARCHIVE_ID" "''${FOLDER[@]}"
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yes y | borg-job-"$JOB" extract --list "$LOCATION"::"$ARCHIVE_ID" "''${FOLDER[@]}"
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'';
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};
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};
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@ -8,7 +8,7 @@ from typing import Any
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from . import backups, config, flakes, history, machines, secrets, vms
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from .custom_logger import setup_logging
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from .dirs import get_clan_flake_toplevel, is_clan_flake
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from .dirs import get_clan_flake_toplevel
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from .ssh import cli as ssh_cli
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log = logging.getLogger(__name__)
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@ -66,10 +66,6 @@ def create_parser(prog: str | None = None) -> argparse.ArgumentParser:
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raise argparse.ArgumentTypeError(
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f"flake directory {flake_dir} is not a directory"
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)
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if not is_clan_flake(flake_dir):
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raise argparse.ArgumentTypeError(
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f"flake directory {flake_dir} is not a clan flake"
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)
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return flake_dir
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parser.add_argument(
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@ -10,10 +10,6 @@ def get_clan_flake_toplevel() -> Path | None:
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return find_toplevel([".clan-flake", ".git", ".hg", ".svn", "flake.nix"])
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def is_clan_flake(path: Path) -> bool:
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return (path / ".clan-flake").exists()
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def find_git_repo_root() -> Path | None:
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return find_toplevel([".git"])
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@ -4,6 +4,7 @@ import subprocess
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import sys
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from pathlib import Path
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from ..errors import ClanError
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from ..nix import nix_build, nix_config, nix_eval
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from ..ssh import Host, parse_deployment_address
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@ -12,17 +13,22 @@ def build_machine_data(machine_name: str, clan_dir: Path) -> dict:
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config = nix_config()
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system = config["system"]
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outpath = subprocess.run(
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proc = subprocess.run(
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nix_build(
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[
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f'path:{clan_dir}#clanInternals.machines."{system}"."{machine_name}".config.system.clan.deployment.file'
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f'{clan_dir}#clanInternals.machines."{system}"."{machine_name}".config.system.clan.deployment.file'
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]
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),
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stdout=subprocess.PIPE,
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check=True,
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text=True,
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).stdout.strip()
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return json.loads(Path(outpath).read_text())
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)
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if proc.returncode != 0:
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ClanError("failed to build machine data")
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exit(1)
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return json.loads(Path(proc.stdout.strip()).read_text())
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class Machine:
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