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#!/usr/bin/env python3 |
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# -*- coding: future_fstrings -*- |
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""" |
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Transfer script |
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""" |
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import sys |
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from db_sync_tool.utility import mode, system, helper, output |
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from db_sync_tool.database import utility as database_utility |
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from db_sync_tool.remote import utility, client |
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def transfer_origin_database_dump(): |
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""" |
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Transfer the origin database dump files |
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:return: |
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""" |
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if not mode.is_import(): |
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if mode.get_sync_mode() == mode.SyncMode.RECEIVER: |
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get_origin_database_dump(helper.get_dump_dir(mode.Client.TARGET)) |
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system.check_target_configuration() |
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elif mode.get_sync_mode() == mode.SyncMode.SENDER: |
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system.check_target_configuration() |
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put_origin_database_dump(helper.get_dump_dir(mode.Client.ORIGIN)) |
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utility.remove_origin_database_dump() |
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elif mode.get_sync_mode() == mode.SyncMode.PROXY: |
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helper.create_local_temporary_data_dir() |
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get_origin_database_dump(system.default_local_sync_path) |
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system.check_target_configuration() |
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put_origin_database_dump(system.default_local_sync_path) |
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elif mode.get_sync_mode() == mode.SyncMode.SYNC_REMOTE or mode.get_sync_mode() == mode.SyncMode.SYNC_LOCAL: |
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system.check_target_configuration() |
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elif system.config['is_same_client']: |
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utility.remove_origin_database_dump(True) |
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else: |
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system.check_target_configuration() |
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def get_origin_database_dump(target_path): |
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""" |
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Downloading the origin database dump files |
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:param target_path: String |
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:return: |
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""" |
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sftp = get_sftp_client(client.ssh_client_origin) |
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output.message( |
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output.Subject.ORIGIN, |
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'Downloading database dump', |
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True |
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) |
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if mode.get_sync_mode() != mode.SyncMode.PROXY: |
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helper.check_and_create_dump_dir(mode.Client.TARGET, target_path) |
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# |
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# Download speed problems |
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# https://github.com/paramiko/paramiko/issues/60 |
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# |
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if not system.config['dry_run']: |
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sftp.get(helper.get_dump_dir(mode.Client.ORIGIN) + database_utility.database_dump_file_name + '.tar.gz', |
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target_path + database_utility.database_dump_file_name + '.tar.gz', download_status) |
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if not system.config['mute']: |
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print('') |
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sftp.close() |
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utility.remove_origin_database_dump() |
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def download_status(sent, size): |
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""" |
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Printing the download status information |
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:param sent: Float |
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:param size: Float |
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:return: |
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""" |
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if not system.config['mute']: |
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sent_mb = round(float(sent) / 1024 / 1024, 1) |
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size = round(float(size) / 1024 / 1024, 1) |
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sys.stdout.write( |
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output.Subject.ORIGIN + output.CliFormat.BLACK + '[REMOTE]' + output.CliFormat.ENDC + " Status: {0} MB of {1} MB downloaded". |
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format(sent_mb, size, )) |
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sys.stdout.write('\r') |
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def put_origin_database_dump(origin_path): |
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""" |
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Uploading the origin database dump file |
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:param origin_path: String |
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:return: |
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""" |
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sftp = get_sftp_client(client.ssh_client_target) |
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if mode.get_sync_mode() == mode.SyncMode.PROXY: |
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_subject = output.Subject.LOCAL |
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else: |
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_subject = output.Subject.ORIGIN |
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output.message( |
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_subject, |
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'Uploading database dump', |
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True |
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) |
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helper.check_and_create_dump_dir(mode.Client.TARGET, helper.get_dump_dir(mode.Client.TARGET)) |
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# |
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# Download speed problems |
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# https://github.com/paramiko/paramiko/issues/60 |
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# |
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if not system.config['dry_run']: |
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sftp.put(origin_path + database_utility.database_dump_file_name + '.tar.gz', |
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helper.get_dump_dir(mode.Client.TARGET) + database_utility.database_dump_file_name + '.tar.gz', |
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upload_status) |
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if not system.config['mute']: |
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print('') |
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sftp.close() |
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def upload_status(sent, size): |
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""" |
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Printing the upload status information |
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:param sent: Float |
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:param size: Float |
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:return: |
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""" |
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if not system.config['mute']: |
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sent_mb = round(float(sent) / 1024 / 1024, 1) |
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size = round(float(size) / 1024 / 1024, 1) |
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if (mode.get_sync_mode() == mode.SyncMode.PROXY): |
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_subject = output.Subject.LOCAL |
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else: |
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_subject = output.Subject.ORIGIN + output.CliFormat.BLACK + '[LOCAL]' + output.CliFormat.ENDC |
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sys.stdout.write( |
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_subject + " Status: {0} MB of {1} MB uploaded". |
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format(sent_mb, size, )) |
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sys.stdout.write('\r') |
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def get_sftp_client(ssh_client): |
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""" |
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:param ssh_client: |
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:return: |
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""" |
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sftp = ssh_client.open_sftp() |
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sftp.get_channel().settimeout(client.default_timeout) |
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return sftp |
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jackd248 /
db-sync-tool
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