-
Notifications
You must be signed in to change notification settings - Fork 3
/
sync.py
206 lines (169 loc) · 6.13 KB
/
sync.py
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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
import json, os, logging, sys,time, boto3
from akamai.netstorage import Netstorage, NetstorageError
REGION_NAME = os.environ['REGION']
QUEUE_URL = os.environ['QUEUE_URL']
CPCODE = os.environ['CPCODE']
S3_BUCKET = os.environ['BUCKET']
SECRET = os.environ['NS_SECRET']
logger = logging.getLogger("AKAM:S3-NS-SYNC")
def configure_logging():
logger.setLevel(logging.DEBUG)
# Format for our loglines
formatter = logging.Formatter("%(name)s - %(levelname)s - %(message)s")
# Setup console logging
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
ch.setFormatter(formatter)
logger.addHandler(ch)
def readQueue():
"""
Description: Reads SQS Queue for processing
Links:
https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/sqs.html#SQS.Client.receive_message
Expects:
Nothing
Returns: message array, each in JSON
"""
sqs = boto3.client('sqs',region_name=REGION_NAME)
resp = sqs.receive_message(
QueueUrl=QUEUE_URL,
AttributeNames=['All'],
MaxNumberOfMessages=5,
VisibilityTimeout=30,
WaitTimeSeconds=0
)
try:
messages = resp['Messages']
logger.info('{0} Messages on the queue!'.format(len(messages)))
except KeyError:
logger.info('No messages on the queue!')
messages = []
return messages
def upload(CPCODE,path):
"""
Description: uploads to netstorage.
Links:
https://learn.akamai.com/en-us/webhelp/netstorage/netstorage-http-api-developer-guide/GUID-C9CEE090-B272-4E47-ACD9-853D80C747BC.html
https://github.com/akamai/NetStorageKit-Python
Expects:
Cpcode
path: s3 object key
Returns: Bool based on task success.
"""
NS_USER = json.loads(SECRET)['NS_USER']
NS_KEY = json.loads(SECRET)['NS_KEY']
NS_HOSTNAME = json.loads(SECRET)['NS_HOSTNAME']
logger.info("Uploading to Ns with user: '{0}'".format(NS_USER))
ns = Netstorage(NS_HOSTNAME, NS_USER, NS_KEY, ssl=False)
netstorage_destination = "/{0}/{1}".format(CPCODE,path)
logger.info("Upload Location: '{0}'.".format(netstorage_destination))
ok, _ = ns.upload(path, netstorage_destination)
if ok:
logger.info("File: uploaded.")
return True
else:
logger.info("File: upload failed.")
return False
def removeObject(path):
"""
Description: Remove objects from NS
Links:
https://learn.akamai.com/en-us/webhelp/netstorage/netstorage-http-api-developer-guide/GUID-C9CEE090-B272-4E47-ACD9-853D80C747BC.html
https://github.com/akamai/NetStorageKit-Python
Expects:
path: Path to be deleted in NS.
Returns: Bool based on task success.
"""
NS_USER = json.loads(NS_SECRET)['NS_USER']
NS_KEY = json.loads(NS_SECRET)['NS_KEY']
NS_HOSTNAME = json.loads(NS_SECRET)['NS_HOSTNAME']
ns = Netstorage(NS_HOSTNAME, NS_USER, NS_KEY, ssl=False)
netstorage_destination = "/{0}/{1}".format(CPCODE,path)
ok, response =ns.delete(netstorage_destination)
if ok:
logger.info("File {0} deleted.".format(path))
else:
logger.error("File {0} not deleted: {1}".format(path,response.status_code))
return response.status_code
return response.status_code
def fetchS3Object(s3_key):
logger.info("Downloading file: {0}".format(s3_key))
try:
s3 = boto3.client('s3')
path = os.path.dirname(s3_key)
logger.info("File directory : {0}".format(path))
os.makedirs(path, exist_ok=True)
s3.download_file(S3_BUCKET,s3_key,s3_key)
success = os.path.isfile(s3_key)
logger.info ("File Downloaded: {0}".format(str(success)))
return success
except Exception as e:
logger.error ("Error downloading file: {0}".format(e))
def popQueue(receipt_handle):
"""
Description: POPs Msg from SQS fifo queue
Links:
https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/sqs.html#SQS.Client.delete_message
Expects:
receipt_handle (string) -- The SQS Message's receipt_handle identifier.
Returns: Nothing
"""
sqs = boto3.client('sqs',region_name=REGION_NAME)
sqs.delete_message(
QueueUrl=QUEUE_URL,
ReceiptHandle=receipt_handle
)
logger.info ("Event removed from queue: {0}".format(receipt_handle))
return
def cleanLocal(key):
"""
Description: Removes object downloaded from s3 after proccessed.
Expects:
key (string) -- Objects path/filename
Returns: Nothing
"""
try:
os.remove(key)
logger.info ("Deleted {0} locally".format(key))
except Exception as e:
logger.error ("Error to delete file {0}: {1}".format(key,e))
def processQueue():
"""
Description: Runs Functions to read Queue and update Netstorage.
Expects:
Nothing
Returns: Bool
"""
try:
queue = readQueue()
if queue != []:
for msg in queue:
event = json.loads(msg['Body'])
success = True
for o in event:
if 'ObjectRemoved' in o['eventName']:
response = removeObject(o['key'])
if response == 404:
logger.warning ("Error deleting file {0} was not found in Netstorage.".format(o['key']))
success = True
else:
if fetchS3Object(o['key']):
success = upload(CPCODE,o['key'])
if success:
popQueue(msg['ReceiptHandle'])
if not 'ObjectRemoved' in o['eventName']:
cleanLocal(o['key'])
time.sleep(20)
processQueue()
else:
return True
except Exception as e:
logger.error ("Error processing the queue: {0}".format(e))
return False
return True
if __name__ == "__main__":
configure_logging()
logger.info("AWS S3 - Akamai NetStorage Sync Started.")
processQueue()
logger.info("Exiting..")
sys.exit(0)