forked from aws/aws-cli
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathawslambda.py
More file actions
152 lines (127 loc) · 5.84 KB
/
Copy pathawslambda.py
File metadata and controls
152 lines (127 loc) · 5.84 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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 zipfile
import copy
from contextlib import closing
from botocore.vendored import six
from awscli.arguments import CustomArgument, CLIArgument
ERROR_MSG = (
"--zip-file must be a zip file with the fileb:// prefix.\n"
"Example usage: --zip-file fileb://path/to/file.zip")
ZIP_DOCSTRING = (
'<p>The path to the zip file of the {param_type} you are uploading. '
'Specify --zip-file or --{param_type}, but not both. '
'Example: fileb://{param_type}.zip</p>'
)
def register_lambda_create_function(cli):
cli.register('building-argument-table.lambda.create-function',
ZipFileArgumentHoister('Code').hoist)
cli.register('building-argument-table.lambda.publish-layer-version',
ZipFileArgumentHoister('Content').hoist)
cli.register('building-argument-table.lambda.update-function-code',
_modify_zipfile_docstring)
cli.register('process-cli-arg.lambda.update-function-code',
validate_is_zip_file)
def validate_is_zip_file(cli_argument, value, **kwargs):
if cli_argument.name == 'zip-file':
_should_contain_zip_content(value)
class ZipFileArgumentHoister(object):
"""Hoists a ZipFile argument up to the top level.
Injects a top-level ZipFileArgument into the argument table which maps
a --zip-file parameter to the underlying ``serialized_name`` ZipFile
shape. Replaces the old ZipFile argument with an instance of
ReplacedZipFileArgument to prevent its usage and recommend the new
top-level injected parameter.
"""
def __init__(self, serialized_name):
self._serialized_name = serialized_name
self._name = serialized_name.lower()
def hoist(self, session, argument_table, **kwargs):
help_text = ZIP_DOCSTRING.format(param_type=self._name)
argument_table['zip-file'] = ZipFileArgument(
'zip-file', help_text=help_text, cli_type_name='blob',
serialized_name=self._serialized_name
)
argument = argument_table[self._name]
model = copy.deepcopy(argument.argument_model)
del model.members['ZipFile']
argument_table[self._name] = ReplacedZipFileArgument(
name=self._name,
argument_model=model,
operation_model=argument._operation_model,
is_required=False,
event_emitter=session.get_component('event_emitter'),
serialized_name=self._serialized_name,
)
def _modify_zipfile_docstring(session, argument_table, **kwargs):
if 'zip-file' in argument_table:
argument_table['zip-file'].documentation = ZIP_DOCSTRING
def _should_contain_zip_content(value):
if not isinstance(value, bytes):
# If it's not bytes it's basically impossible for
# this to be valid zip content, but we'll at least
# still try to load the contents as a zip file
# to be absolutely sure.
value = value.encode('utf-8')
fileobj = six.BytesIO(value)
try:
with closing(zipfile.ZipFile(fileobj)) as f:
f.infolist()
except zipfile.BadZipfile:
raise ValueError(ERROR_MSG)
class ZipFileArgument(CustomArgument):
"""A new ZipFile argument to be injected at the top level.
This class injects a ZipFile argument under the specified serialized_name
parameter. This can be used to take a top level parameter like --zip-file
and inject it into a nested different parameter like Code so
--zip-file foo.zip winds up being serialized as
{ 'Code': { 'ZipFile': <contents of foo.zip> } }.
"""
def __init__(self, *args, **kwargs):
self._param_to_replace = kwargs.pop('serialized_name')
super(ZipFileArgument, self).__init__(*args, **kwargs)
def add_to_params(self, parameters, value):
if value is None:
return
_should_contain_zip_content(value)
zip_file_param = {'ZipFile': value}
if parameters.get(self._param_to_replace):
parameters[self._param_to_replace].update(zip_file_param)
else:
parameters[self._param_to_replace] = zip_file_param
class ReplacedZipFileArgument(CLIArgument):
"""A replacement arugment for nested ZipFile argument.
This prevents the use of a non-working nested argument that expects binary.
Instead an instance of ZipFileArgument should be injected at the top level
and used instead. That way fileb:// can be used to load the binary
contents. And the argument class can inject those bytes into the correct
serialization name.
"""
def __init__(self, *args, **kwargs):
super(ReplacedZipFileArgument, self).__init__(*args, **kwargs)
self._cli_name = '--%s' % kwargs['name']
self._param_to_replace = kwargs['serialized_name']
def add_to_params(self, parameters, value):
if value is None:
return
unpacked = self._unpack_argument(value)
if 'ZipFile' in unpacked:
raise ValueError(
"ZipFile cannot be provided "
"as part of the %s argument. "
"Please use the '--zip-file' "
"option instead to specify a zip file." % self._cli_name)
if parameters.get(self._param_to_replace):
parameters[self._param_to_replace].update(unpacked)
else:
parameters[self._param_to_replace] = unpacked