mirror of https://github.com/CIRCL/AIL-framework
142 lines
4.9 KiB
Python
Executable File
142 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python
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# -*-coding:UTF-8 -*
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"""
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The ZMQ_Sub_Indexer Module
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============================
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The ZMQ_Sub_Indexer modules is fetching the list of files to be processed
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and index each file with a full-text indexer (Whoosh until now).
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"""
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import time
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from packages import Paste
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from pubsublogger import publisher
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from whoosh.index import create_in, exists_in, open_dir
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from whoosh.fields import Schema, TEXT, ID
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import os
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from os.path import join, getsize
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from Helper import Process
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# Config variable
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TIME_WAIT = 1.0 #sec
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# return in bytes
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def check_index_size(indexname):
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global baseindexpath
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the_index_name = indexname if indexname != "0" else "old_index"
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the_index_name = join(baseindexpath, the_index_name)
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cur_sum = 0
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for root, dirs, files in os.walk(the_index_name):
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cur_sum += sum(getsize(join(root, name)) for name in files)
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return cur_sum
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def move_index_into_old_index_folder(baseindexpath):
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command_move = "mv {} {}"
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os.mkdir(join(baseindexpath, "old_index"))
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for files in os.listdir(baseindexpath):
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if not files == "old_index":
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os.system(command_move.format(join(baseindexpath, files), join(join(baseindexpath, "old_index"), files)))
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if __name__ == "__main__":
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publisher.port = 6380
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publisher.channel = "Script"
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config_section = 'Indexer'
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p = Process(config_section)
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# Indexer configuration - index dir and schema setup
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baseindexpath = join(os.environ['AIL_HOME'],
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p.config.get("Indexer", "path"))
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indexRegister_path = join(os.environ['AIL_HOME'],
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p.config.get("Indexer", "register"))
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indexertype = p.config.get("Indexer", "type")
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INDEX_SIZE_THRESHOLD = int(p.config.get("Indexer", "index_max_size"))
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if indexertype == "whoosh":
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schema = Schema(title=TEXT(stored=True), path=ID(stored=True,
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unique=True),
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content=TEXT)
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if not os.path.exists(baseindexpath):
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os.mkdir(baseindexpath)
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# create the index register if not present
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time_now = int(time.time())
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if not os.path.isfile(indexRegister_path): #index are not organised
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print("Indexes are not organized")
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print("moving all files in folder 'old_index' ")
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#move all files to old_index folder
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move_index_into_old_index_folder(baseindexpath)
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print("Creating new index")
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#create all_index.txt
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with open(indexRegister_path, 'w') as f:
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f.write(str(time_now))
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#create dir
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os.mkdir(join(baseindexpath, str(time_now)))
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with open(indexRegister_path, "r") as f:
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allIndex = f.read()
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allIndex = allIndex.split() # format [time1\ntime2]
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allIndex.sort()
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try:
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indexname = allIndex[-1].strip('\n\r')
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except IndexError as e:
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indexname = time_now
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indexpath = join(baseindexpath, str(indexname))
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if not exists_in(indexpath):
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ix = create_in(indexpath, schema)
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else:
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ix = open_dir(indexpath)
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last_refresh = time_now
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# LOGGING #
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publisher.info("ZMQ Indexer is Running")
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while True:
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try:
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message = p.get_from_set()
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if message is not None:
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PST = Paste.Paste(message)
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else:
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publisher.debug("Script Indexer is idling 1s")
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time.sleep(1)
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continue
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docpath = message.split(" ", -1)[-1]
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paste = PST.get_p_content()
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print "Indexing - "+indexname+" :", docpath
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if time.time() - last_refresh > TIME_WAIT: #avoid calculating the index's size at each message
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last_refresh = time.time()
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if check_index_size(indexname) >= INDEX_SIZE_THRESHOLD*(1000*1000):
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timestamp = int(time.time())
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print("Creating new index", timestamp)
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indexpath = join(baseindexpath, str(timestamp))
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indexname = str(timestamp)
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#update all_index
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with open(indexRegister_path, "a") as f:
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f.write(str(timestamp))
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#create new dir
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os.mkdir(indexpath)
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ix = create_in(indexpath, schema)
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if indexertype == "whoosh":
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indexwriter = ix.writer()
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indexwriter.update_document(
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title=unicode(docpath, errors='ignore'),
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path=unicode(docpath, errors='ignore'),
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content=unicode(paste, errors='ignore'))
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indexwriter.commit()
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except IOError:
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print "CRC Checksum Failed on :", PST.p_path
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publisher.error('Duplicate;{};{};{};CRC Checksum Failed'.format(
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PST.p_source, PST.p_date, PST.p_name))
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