159 lines
3.4 KiB
Python
159 lines
3.4 KiB
Python
# Copyright 2015 Mirantis, Inc.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import glob
|
|
import io
|
|
import json
|
|
import logging
|
|
import os
|
|
import subprocess
|
|
import uuid
|
|
|
|
from jinja2 import Environment
|
|
import yaml
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def to_json(data):
|
|
return json.dumps(data)
|
|
|
|
|
|
def to_pretty_json(data):
|
|
return json.dumps(data, indent=4)
|
|
|
|
|
|
def communicate(command, data):
|
|
popen = subprocess.Popen(
|
|
command,
|
|
stdout=subprocess.PIPE,
|
|
stdin=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
return popen.communicate(input=data)[0]
|
|
|
|
|
|
def execute(command, shell=False):
|
|
popen = subprocess.Popen(
|
|
command,
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
shell=shell)
|
|
out, err = popen.communicate()
|
|
return popen.returncode, out, err
|
|
|
|
|
|
# Configure jinja2 filters
|
|
jinja_env_with_filters = Environment()
|
|
jinja_env_with_filters.filters['to_json'] = to_json
|
|
jinja_env_with_filters.filters['to_pretty_json'] = to_pretty_json
|
|
|
|
|
|
def create_dir(dir_path):
|
|
logger.debug(u'Creating directory %s', dir_path)
|
|
if not os.path.isdir(dir_path):
|
|
os.makedirs(dir_path)
|
|
|
|
|
|
def yaml_load(file_path):
|
|
with io.open(file_path) as f:
|
|
result = yaml.load(f)
|
|
|
|
return result
|
|
|
|
|
|
def yaml_dump(yaml_data):
|
|
return yaml.safe_dump(yaml_data, default_flow_style=False)
|
|
|
|
|
|
def write_to_file(data, file_path):
|
|
with open(file_path, 'w') as f:
|
|
f.write(data)
|
|
|
|
|
|
def yaml_dump_to(data, file_path):
|
|
write_to_file(yaml_dump(data), file_path)
|
|
|
|
|
|
def find_by_mask(mask):
|
|
for file_path in glob.glob(mask):
|
|
yield os.path.abspath(file_path)
|
|
|
|
|
|
def load_by_mask(mask):
|
|
result = []
|
|
for file_path in find_by_mask(mask):
|
|
result.append(yaml_load(file_path))
|
|
|
|
return result
|
|
|
|
|
|
def generate_uuid():
|
|
return str(uuid.uuid4())
|
|
|
|
|
|
def render_template(template_path, **params):
|
|
with io.open(template_path) as f:
|
|
temp = jinja_env_with_filters.from_string(f.read())
|
|
|
|
return temp.render(**params)
|
|
|
|
|
|
def ext_encoder(fpath):
|
|
ext = os.path.splitext(os.path.basename(fpath))[1].strip('.')
|
|
if ext in ['json']:
|
|
return json
|
|
elif ext in ['yaml', 'yaml']:
|
|
return yaml
|
|
|
|
raise Exception('Unknown extension {}'.format(ext))
|
|
|
|
|
|
def load_file(fpath):
|
|
encoder = ext_encoder(fpath)
|
|
|
|
try:
|
|
with open(fpath) as f:
|
|
return encoder.load(f)
|
|
except IOError:
|
|
return {}
|
|
|
|
|
|
def read_config():
|
|
CONFIG_FILE = os.environ.get('CONFIG_FILE') or '/vagrant/config.yaml'
|
|
return load_file(CONFIG_FILE)
|
|
|
|
|
|
def read_config_file(key):
|
|
fpath = read_config()[key]
|
|
|
|
return load_file(fpath)
|
|
|
|
|
|
def save_to_config_file(key, data):
|
|
fpath = read_config()[key]
|
|
|
|
with open(fpath, 'w') as f:
|
|
encoder = ext_encoder(fpath)
|
|
encoder.dump(data, f)
|
|
|
|
|
|
def solar_map(funct, args, **kwargs):
|
|
return map(funct, args)
|
|
|
|
|
|
def get_local():
|
|
import threading
|
|
return threading.local
|