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
|
#
# Copyright (C) 2019 - 2020 Bell Canada.
#
# 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.
#
from google.protobuf.timestamp_pb2 import Timestamp
import proto.CommandExecutor_pb2 as CommandExecutor_pb2
import json
import email.parser
CDS_IS_SUCCESSFUL_KEY = "cds_is_successful"
ERR_MSG_KEY = "err_msg"
RESULTS_KEY = "results"
RESULTS_LOG_KEY = "results_log"
REUPLOAD_CBA_KEY = "reupload_cba"
RESPONSE_MAX_SIZE = 4 * 1024 * 1024 # 4Mb
def blueprint_name_version_uuid(request):
blueprint_name = request.identifiers.blueprintName
blueprint_version = request.identifiers.blueprintVersion
blueprint_uuid = request.identifiers.blueprintUUID
return blueprint_name + '/' + blueprint_version + '/' + blueprint_uuid
def get_blueprint_name(request):
return request.identifiers.blueprintName
def get_blueprint_version(request):
return request.identifiers.blueprintVersion
def get_blueprint_uuid(request):
return request.identifiers.blueprintUUID
def get_blueprint_timeout(request):
return request.timeOut
def get_blueprint_requestid(request):
return request.requestId
def get_blueprint_subRequestId(request):
return request.subRequestId
# Create a response for grpc. Fills in the timestamp as well as removes cds_is_successful element
def build_grpc_response(request_id, response):
if response[CDS_IS_SUCCESSFUL_KEY]:
status = CommandExecutor_pb2.SUCCESS
else:
status = CommandExecutor_pb2.FAILURE
response.pop(CDS_IS_SUCCESSFUL_KEY)
logs = response.pop(RESULTS_LOG_KEY)
# Payload should only contains response data returned from the executed script and/or the error message
payload = json.dumps(response)
timestamp = Timestamp()
timestamp.GetCurrentTime()
execution_output = CommandExecutor_pb2.ExecutionOutput(requestId=request_id,
response=logs,
status=status,
payload=payload,
timestamp=timestamp)
return truncate_execution_output(execution_output)
def build_grpc_blueprint_upload_response(request_id, subrequest_id, success=True, payload=[]):
timestamp = Timestamp()
timestamp.GetCurrentTime()
return CommandExecutor_pb2.UploadBlueprintOutput(requestId=request_id,
subRequestId=subrequest_id,
status=CommandExecutor_pb2.SUCCESS if success else CommandExecutor_pb2.FAILURE,
timestamp=timestamp,
payload=json.dumps(payload))
# build a ret data structure used to populate the ExecutionOutput
def build_ret_data(cds_is_successful, results_log=[], error=None, reupload_cba = False):
ret_data = {
CDS_IS_SUCCESSFUL_KEY: cds_is_successful,
RESULTS_LOG_KEY: results_log
}
if error:
ret_data[ERR_MSG_KEY] = error
# CBA needs to be reuploaded case:
if reupload_cba:
ret_data[REUPLOAD_CBA_KEY] = True
return ret_data
# Truncate execution logs to make sure gRPC response doesn't exceed the gRPC buffer capacity
def truncate_execution_output(execution_output):
sum_truncated_chars = 0
if execution_output.ByteSize() > RESPONSE_MAX_SIZE:
while execution_output.ByteSize() > RESPONSE_MAX_SIZE:
removed_item = execution_output.response.pop()
sum_truncated_chars += len(removed_item)
execution_output.response.append(
"[...] TRUNCATED CHARS : {}".format(sum_truncated_chars))
return execution_output
# Read temp file 'outputfile' into results_log and split out the returned payload into payload_result
def parse_cmd_exec_output(outputfile, logger, payload_result, results_log,
extra):
payload_section = []
is_payload_section = False
outputfile.seek(0)
while True:
output = outputfile.readline()
if output == '':
break
if output.startswith('BEGIN_EXTRA_PAYLOAD'):
is_payload_section = True
output = outputfile.readline()
if output.startswith('END_EXTRA_PAYLOAD'):
is_payload_section = False
output = ''
payload = '\n'.join(payload_section)
msg = email.parser.Parser().parsestr(payload)
for part in msg.get_payload():
payload_result.update(json.loads(part.get_payload()))
if output and not is_payload_section:
logger.info(output.strip(), extra=extra)
results_log.append(output.strip())
else:
payload_section.append(output.strip())
def getExtraLogData(request=None):
extra = {'request_id': '', 'subrequest_id': '', 'originator_id': ''}
if request is not None:
extra = {
'request_id': request.requestId,
'subrequest_id': request.subRequestId,
'originator_id': request.originatorId
}
return extra
|
