Merge "Fixes permission problem when restoring backup"
This commit is contained in:
commit
5046b8ab52
@ -1,4 +1,4 @@
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FROM ubuntu:18.04
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FROM ubuntu:20.04
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LABEL maintainer="anlin.kong@gmail.com"
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LABEL maintainer="anlin.kong@gmail.com"
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ARG DATASTORE="mysql5.7"
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ARG DATASTORE="mysql5.7"
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@ -205,14 +205,40 @@ class MySqlManager(manager.Manager):
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root_pass = utils.generate_random_password()
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root_pass = utils.generate_random_password()
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self.app.save_password('root', root_pass)
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self.app.save_password('root', root_pass)
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with tempfile.NamedTemporaryFile(mode='w') as init_file, \
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init_file = tempfile.NamedTemporaryFile(mode='w')
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tempfile.NamedTemporaryFile(suffix='.err') as err_file:
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operating_system.write_file(
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operating_system.write_file(
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init_file.name,
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init_file.name,
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f"ALTER USER 'root'@'localhost' IDENTIFIED BY '{root_pass}';"
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f"ALTER USER 'root'@'localhost' IDENTIFIED BY '{root_pass}';"
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)
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)
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err_file = tempfile.NamedTemporaryFile(suffix='.err')
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# Get the original file owner and group before changing the owner.
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from pathlib import Path
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init_file_path = Path(init_file.name)
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init_file_owner = init_file_path.owner()
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init_file_group = init_file_path.group()
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# Allow database service user to access the temporary files.
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try:
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for file in [init_file.name, err_file.name]:
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operating_system.chown(file, CONF.database_service_uid,
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CONF.database_service_uid, force=True,
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as_root=True)
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except Exception as err:
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LOG.error('Failed to change file owner, error: %s', str(err))
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for file in [init_file.name, err_file.name]:
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LOG.debug('Reverting the %s owner to %s '
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'before close it.', file, init_file_owner)
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operating_system.chown(file, init_file_owner,
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init_file_group, force=True,
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as_root=True)
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init_file.close()
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err_file.close()
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raise err
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# Allow database service user to access the temporary files.
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command = (
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command = (
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f'mysqld_safe --init-file={init_file.name} '
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f'mysqld --init-file={init_file.name} '
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f'--log-error={err_file.name} '
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f'--log-error={err_file.name} '
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f'--datadir={data_dir} '
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f'--datadir={data_dir} '
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)
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)
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@ -221,27 +247,33 @@ class MySqlManager(manager.Manager):
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err_file.name: {"bind": err_file.name, "mode": "rw"},
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err_file.name: {"bind": err_file.name, "mode": "rw"},
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}
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}
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# Allow database service user to access the temporary files.
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# Start the database container process.
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for file in [init_file.name, err_file.name]:
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operating_system.chmod(file,
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operating_system.FileMode.SET_ALL_RWX(),
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force=True, as_root=True)
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try:
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try:
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self.app.start_db(ds_version=ds_version, command=command,
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self.app.start_db(ds_version=ds_version, command=command,
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extra_volumes=extra_volumes)
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extra_volumes=extra_volumes)
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except Exception as err:
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except Exception as err:
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LOG.error('Failed to reset password for restore, error: %s',
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LOG.error('Failed to reset password for restore, error: %s',
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str(err))
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str(err))
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LOG.debug('Content in init error log file: %s',
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raise err # re-raised at the end of the finally clause
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err_file.read())
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raise err
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finally:
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finally:
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try:
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LOG.debug(
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LOG.debug(
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'The init container log: %s',
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'The init container log: %s',
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docker_util.get_container_logs(self.app.docker_client)
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docker_util.get_container_logs(self.app.docker_client)
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)
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)
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docker_util.remove_container(self.app.docker_client)
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docker_util.remove_container(self.app.docker_client)
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except Exception as err:
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LOG.error('Failed to remove container. error: %s',
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str(err))
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pass
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for file in [init_file.name, err_file.name]:
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LOG.debug('Reverting the %s owner to %s '
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'before close it.', file, init_file_owner)
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operating_system.chown(file, init_file_owner,
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init_file_group, force=True,
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as_root=True)
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init_file.close()
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err_file.close()
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LOG.info('Finished to reset password for restore')
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LOG.info('Finished to reset password for restore')
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