143 lines
4.9 KiB
Python
143 lines
4.9 KiB
Python
# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import os
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import click
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import yaml
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from prettytable import PrettyTable
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from pegleg.engine import util
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from pegleg.engine.util import files
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__all__ = ('collect', 'list_', 'show', 'render')
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LOG = logging.getLogger(__name__)
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def _read_and_format_yaml(filename):
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with open(filename) as f:
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lines_to_write = f.readlines()
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if lines_to_write[0] != '---\n':
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lines_to_write = ['---\n'] + lines_to_write
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if lines_to_write[-1] != '...\n':
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lines_to_write.append('...\n')
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return lines_to_write or []
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def _collect_to_stdout(site_name):
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"""Collects all documents related to ``site_name`` and outputs them to
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stdout via ``output_stream``.
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"""
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try:
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for repo_base, filename in util.definition.site_files_by_repo(
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site_name):
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for line in _read_and_format_yaml(filename):
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# This code is a pattern to convert \r\n to \n.
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click.echo("\n".join(line.splitlines()))
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except Exception as ex:
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raise click.ClickException("Error printing output: %s" % str(ex))
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def _collect_to_file(site_name, save_location):
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"""Collects all documents related to ``site_name`` and outputs them to
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the file denoted by ``save_location``.
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"""
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files.check_file_save_location(save_location)
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save_files = dict()
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try:
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for repo_base, filename in util.definition.site_files_by_repo(
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site_name):
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repo_name = os.path.normpath(repo_base).split(os.sep)[-1]
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save_file = os.path.join(save_location, repo_name + '.yaml')
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if repo_name not in save_files:
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save_files[repo_name] = open(save_file, "w")
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LOG.debug("Collecting file %s to file %s" % (filename, save_file))
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save_files[repo_name].writelines(_read_and_format_yaml(filename))
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except Exception as ex:
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raise click.ClickException("Error saving output: %s" % str(ex))
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finally:
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for f in save_files.values():
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f.close()
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def collect(site_name, save_location):
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if save_location:
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_collect_to_file(site_name, save_location)
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else:
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_collect_to_stdout(site_name)
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def render(site_name, output_stream):
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documents = []
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for filename in util.definition.site_files(site_name):
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with open(filename) as f:
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documents.extend(list(yaml.safe_load_all(f)))
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rendered_documents, errors = util.deckhand.deckhand_render(
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documents=documents)
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err_msg = ''
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if errors:
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for err in errors:
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if isinstance(err, tuple) and len(err) > 1:
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err_msg += ': '.join(err) + '\n'
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else:
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err_msg += str(err) + '\n'
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raise click.ClickException(err_msg)
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yaml.dump_all(
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rendered_documents,
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output_stream,
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default_flow_style=False,
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explicit_start=True,
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explicit_end=True)
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def list_(output_stream):
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"""List site names for a given repository."""
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# Create a table to output site information for all sites for a given repo
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site_table = PrettyTable()
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field_names = ['site_name', 'site_type']
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site_table.field_names = field_names
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for site_name in util.files.list_sites():
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params = util.definition.load_as_params(site_name, *field_names)
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site_table.add_row(list(map(lambda k: params[k], field_names)))
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# Write table to specified output_stream
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output_stream.write(site_table.get_string() + "\n")
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def show(site_name, output_stream):
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data = util.definition.load_as_params(site_name)
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data['files'] = list(util.definition.site_files(site_name))
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# Create a table to output site information for specific site
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site_table = PrettyTable()
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site_table.field_names = ['revision', 'site_name', 'site_type', 'files']
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# TODO(felipemonteiro): Drop support for 'revision' once manifest
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# repositories have removed it altogether.
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if 'revision' in data.keys():
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for file in data['files']:
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site_table.add_row(
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[data['revision'], data['site_name'], data['site_type'], file])
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else:
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for file in data['files']:
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site_table.add_row(
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["", data['site_name'], data['site_type'], file])
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# Write tables to specified output_stream
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output_stream.write(site_table.get_string() + "\n")
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