RETIRED, Function as a Service for OpenStack
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# Copyright 2017 Catalyst IT Limited
#
# 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 functools
import hashlib
import pdb
import sys
import warnings
from oslo_utils import uuidutils
import six
from qinling import exceptions as exc
from qinling import version
def print_server_info(service):
QINLING_TITLE = r"""
/^L_ ,."\
/~\ __ /~ \ ./ \
/ _\ _/ \ /T~\|~\_\ / \_ /~| _^
/ \ /W \ / V^\/X /~ T . \/ \ ,v-./
,'`-. /~ ^ H , . \/ ; . \ `. \-' /
M ~ | . ; / , _ : . ~\_,-'
/ ~ . \ / : ' \ ,/`
I o. ^ oP '98b - _ 9.` `\9b.
8oO888. oO888P d888b9bo. .8o 888o. 8bo. o 988o.
88888888888888888888888888bo.98888888bo. 98888bo. .d888P
88888888888888888888888888888888888888888888888888888888888
_ __ _
___ _ (_) ___ / / (_) ___ ___ _
/ _ `/ / / / _ \ / / / / / _ \ / _ `/
\_, / /_/ /_//_//_/ /_/ /_//_/ \_, /
/_/ /___/
Function as a Service in OpenStack, version: %s
""" % version.version_string()
print(QINLING_TITLE)
print('Launching server components %s...' % service)
def get_properly_ordered_parameters():
"""Orders launch parameters in the right order.
In oslo it's important the order of the launch parameters.
if --config-file came after the command line parameters the command
line parameters are ignored.
So to make user command line parameters are never ignored this method
moves --config-file to be always first.
"""
args = sys.argv[1:]
for arg in sys.argv[1:]:
if arg == '--config-file' or arg.startswith('--config-file='):
if "=" in arg:
conf_file_value = arg.split("=", 1)[1]
else:
conf_file_value = args[args.index(arg) + 1]
args.remove(conf_file_value)
args.remove(arg)
args.insert(0, "--config-file")
args.insert(1, conf_file_value)
return args
def convert_dict_to_string(d):
temp_list = ['%s=%s' % (k, v) for k, v in d.items()]
return ','.join(temp_list)
def datetime_to_str(dct, attr_name):
"""Convert datetime object in dict to string."""
if (dct.get(attr_name) is not None and
not isinstance(dct.get(attr_name), six.string_types)):
dct[attr_name] = dct[attr_name].strftime('%Y-%m-%dT%H:%M:%SZ')
def generate_unicode_uuid(dashed=True):
return uuidutils.generate_uuid(dashed=dashed)
def validate_int_in_range(name, value, min_allowed, max_allowed):
unit_mapping = {
"cpu": "millicpu",
"memory": "bytes",
"timeout": "seconds"
}
try:
value_int = int(value)
except ValueError:
raise exc.InputException(
'Invalid %s resource specified. An integer is required.' % name
)
if (value_int < min_allowed or value_int > max_allowed):
raise exc.InputException(
'%s resource limitation not within the allowable range: '
'%s ~ %s(%s).' %
(name, min_allowed, max_allowed, unit_mapping[name])
)
def disable_ssl_warnings(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
with warnings.catch_warnings():
warnings.filterwarnings(
"ignore",
message="A true SSLContext object is not available"
)
warnings.filterwarnings(
"ignore",
message="Unverified HTTPS request is being made"
)
return func(*args, **kwargs)
return wrapper
class ForkedPdb(pdb.Pdb):
"""A Pdb subclass that may be used from a forked multiprocessing child.
Usage:
from qinling.utils import common
common.ForkedPdb().set_trace()
"""
def interaction(self, *args, **kwargs):
_stdin = sys.stdin
try:
sys.stdin = open('/dev/stdin', 'r')
pdb.Pdb.interaction(self, *args, **kwargs)
finally:
sys.stdin = _stdin
def md5(file=None, content=None):
hash_md5 = hashlib.md5()
if file:
with open(file, "rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
hash_md5.update(chunk)
elif content:
hash_md5.update(content)
return hash_md5.hexdigest()