Initialization for psyncup script
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143
bin/psyncup.py
143
bin/psyncup.py
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@ -11,8 +11,8 @@ epilog = (
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"""\
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This program reads configuration from a file called """
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+ CONFIG_NAME
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+ """,
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which must be in the same directory as the script runs in. For example:
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+ """, which must be
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in the same directory as the script runs in. For example:
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{
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"ssh_remote": "emiliko@10.0.0.1",
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@ -71,67 +71,103 @@ group.add_argument(
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action="store_true",
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help="Overwrite local with remote changes",
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)
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group.add_argument(
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"--init",
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type=str,
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metavar="<remote-directory>",
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action="store",
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help="Initialized current directory by pulling from remote path",
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)
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args = parser.parse_args()
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# ==== Read in config file ====
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try:
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with open(CONFIG_NAME, "r") as f:
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config = json.load(f)
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def get_config():
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global CONFIG_NAME
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config["ssh_remote"]
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config["remote_dir"]
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try:
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with open(CONFIG_NAME, "r") as f:
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config = json.load(f)
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config["ssh_remote"]
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config["remote_dir"]
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# Standardize rsync's handling of tailing /
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if config["remote_dir"][-1] == "/" and config["remote_dir"] != "/":
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config["remote_dir"] = config["remote_dir"][:-1]
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except FileNotFoundError:
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print(f"ERROR: {CONFIG_NAME} file was not found in this directory")
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print(epilog)
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exit(1)
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except KeyError as e:
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print(f"ERROR: {CONFIG_NAME} is missing required key {e}")
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exit(1)
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return config
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# Standardize rsync's handling of tailing /
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if config["remote_dir"][-1] == "/" and config["remote_dir"] != "/":
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config["remote_dir"] = config["remote_dir"][:-1]
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except FileNotFoundError:
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print(f"ERROR: {CONFIG_NAME} file was not found in this directory")
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print(epilog)
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exit(1)
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except KeyError as e:
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print(f"ERROR: {CONFIG_NAME} is missing required key {e}")
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exit(1)
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# ==== Construct an rsync command ====
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rsync_cmd = [
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"rsync",
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"--archive",
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"--human-readable",
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]
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def build_commands(args, config):
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rsync_cmd = [
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"rsync",
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"--archive",
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"--human-readable",
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]
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if not args.no_compress:
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rsync_cmd.append("--compress")
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if not args.no_compress:
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rsync_cmd.append("--compress")
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if not args.no_delete:
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rsync_cmd.append("--delete-during")
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if not args.no_delete:
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rsync_cmd.append("--delete-during")
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if args.dry_run:
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rsync_cmd.append("--dry-run")
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if args.dry_run:
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rsync_cmd.append("--dry-run")
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if args.debug:
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rsync_cmd.append("--info=progress2")
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if args.debug:
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rsync_cmd.append("--info=progress2")
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if config.get("exclude") is not None:
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for x in config["exclude"]:
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rsync_cmd.append(f"--exclude={x}")
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if config.get("exclude") is not None:
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for x in config["exclude"]:
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rsync_cmd.append(f"--exclude={x}")
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ssh_cmd = [
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"ssh",
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config["ssh_remote"],
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f"cat {config['remote_dir']}/{CONFIG_NAME}",
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]
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ssh_cmd = [
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"ssh",
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config["ssh_remote"],
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f"cat {config['remote_dir']}/{CONFIG_NAME}",
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]
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remote_dir_str = config["ssh_remote"] + ":" + config["remote_dir"] + "/"
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remote_dir_str = config["ssh_remote"] + ":" + config["remote_dir"] + "/"
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if args.debug:
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print("DEBUG rsync command: ", rsync_cmd)
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print("DEBUG ssh copy command: ", ssh_cmd)
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print("DEBUG rsync remote directory path: ", remote_dir_str)
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if args.debug:
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print("DEBUG rsync command: ", rsync_cmd)
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print("DEBUG ssh copy command: ", ssh_cmd)
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print("DEBUG rsync remote directory path: ", remote_dir_str)
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return rsync_cmd, ssh_cmd, remote_dir_str
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# ==== Perform command =====
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def run_check():
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def run_init(remote_dir, is_debug=False):
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rsync_cmd = [
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"rsync",
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f"{remote_dir}/{CONFIG_NAME}",
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".",
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]
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if is_debug:
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print("DEBUG rsync init cmd: ", rsync_cmd)
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rsync_code = subprocess.call(rsync_cmd)
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if rsync_code != 0:
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if is_debug:
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print(f"rsync exited with code {rsync_code}")
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print(f"Failed to get {CONFIG_NAME} from {remote_dir}")
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exit(1)
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def run_check(ssh_cmd, config):
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check = subprocess.Popen(
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ssh_cmd,
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stdin=subprocess.DEVNULL,
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@ -163,7 +199,7 @@ def run_check():
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print("Up to date with remote")
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def run_up():
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def run_up(rsync_cmd, remote_dir_str, config):
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rsync_cmd.append(os.getcwd() + "/")
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rsync_cmd.append(remote_dir_str)
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@ -180,7 +216,7 @@ def run_up():
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exit(1)
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def run_down():
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def run_down(rsync_cmd, remote_dir_str):
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rsync_cmd.append(remote_dir_str)
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rsync_cmd.append(os.getcwd())
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@ -192,12 +228,21 @@ def run_down():
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if __name__ == "__main__":
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if args.init:
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run_init(args.init, args.debug)
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args.down = True
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config = get_config()
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if args.check:
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run_check()
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_, ssh_cmd, _ = build_commands(args, config)
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run_check(ssh_cmd, config)
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elif args.up:
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run_up()
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rsync_cmd, _, remote_dir_str = build_commands(args, config)
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run_up(rsync_cmd, remote_dir_str, config)
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elif args.down:
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run_down()
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rsync_cmd, _, remote_dir_str = build_commands(args, config)
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run_down(rsync_cmd, remote_dir_str)
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else:
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print("Unexpected error")
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exit(2)
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