cc-2419 media monitor import on start
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martin
parent
851d5c12b2
commit
0f67db9ed7
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@ -40,7 +40,7 @@ try:
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logger.info("Initializing event processor")
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pe = AirtimeProcessEvent(queue=multi_queue, airtime_config=config)
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notifier = AirtimeNotifier(pe.wm, pe, read_freq=0.1, timeout=0.1, airtime_config=config)
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notifier = AirtimeNotifier(pe.wm, pe, read_freq=1, timeout=0, airtime_config=config)
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notifier.coalesce_events()
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logger.info("Setting up monitor")
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@ -52,6 +52,7 @@ try:
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storage_directory = response["stor"].encode('utf-8')
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logger.info("Storage Directory is: %s", storage_directory)
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config.storage_directory = storage_directory
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config.imported_directory = storage_directory + '/imported'
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bootstrap = AirtimeMediaMonitorBootstrap(logger, multi_queue, pe)
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bootstrap.scan()
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@ -1,4 +1,5 @@
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import os
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import time
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from subprocess import Popen, PIPE
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@ -9,6 +10,7 @@ class AirtimeMediaMonitorBootstrap():
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self.logger = logger
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self.multi_queue = multi_queue
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self.pe = pe
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self.airtime_tmp = '/var/tmp/airtime'
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"""
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on bootup we want to scan all directories and look for files that
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@ -21,41 +23,56 @@ class AirtimeMediaMonitorBootstrap():
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for dir in directories:
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self.check_for_diff(dir)
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def check_for_diff(self, dir):
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airtime_tmp = '/var/tmp/airtime'
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def check_for_diff(self, dir):
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#set to hold new and/or modified files. We use a set to make it ok if files are added
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#twice. This is become some of the tests for new files return result sets that are not
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#mutually exclusive from each other.
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modified_files = set()
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#find files that have been modified since the last time
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#media-monitor process was running.
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command = "find %s -type f -iname '*.ogg' -o -iname '*.mp3' -readable -mmin -30" % dir
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stdout = self.execCommandAndReturnStdOut(command)
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self.logger.info("Files modified since last checkin: \n%s\n", stdout)
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new_files = stdout.split('\n')
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for file_path in new_files:
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modified_files.add(file_path)
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added_files = set()
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removed_files = set()
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if os.path.exists(airtime_tmp + '/.airtime_media_index') and False:
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if os.path.exists(self.airtime_tmp + '/.airtime_media_index'):
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#find files that have been modified since the last time
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#media-monitor process was running.
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time_diff_sec = time.time() - os.path.getmtime(self.airtime_tmp + '/.airtime_media_index')
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command = "find %s -type f -iname '*.ogg' -o -iname '*.mp3' -readable -mmin -%d" % (dir, time_diff_sec/60+1)
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self.logger.debug(command)
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stdout = self.execCommandAndReturnStdOut(command)
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self.logger.info("Files modified since last checkin: \n%s\n", stdout)
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new_files = stdout.split('\n')
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for file_path in new_files:
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added_files.add(file_path)
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#a previous index exists, we can do a diff between this
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#file and the current state to see whether anything has
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#changed.
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self.logger.info("Previous index file found.")
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#find deleted files
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command = "find %s -type f -iname '*.ogg' -o -iname '*.mp3' -readable > %s/.airtime_media_index.tmp" % (dir, airtime_tmp)
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command = "find %s -type f -iname '*.ogg' -o -iname '*.mp3' -readable > %s/.airtime_media_index.tmp" % (dir, self.airtime_tmp)
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self.execCommand(command)
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command = "diff %s/.airtime_media_index.tmp %s/.airtime_media_index" % (airtime_tmp, airtime_tmp)
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command = "diff -u %s/.airtime_media_index %s/.airtime_media_index.tmp" % (self.airtime_tmp, self.airtime_tmp)
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stdout = self.execCommandAndReturnStdOut(command)
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self.logger.info("Deleted files since last checkin:\n%s\n", stdout)
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#TODO: notify about deleted files and files moved here
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#remove first 3 lines from the diff output.
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stdoutSplit = (stdout.split('\n'))[3:]
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self.logger.info("Changed files since last checkin:\n%s\n", "\n".join(stdoutSplit))
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for line in stdoutSplit:
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if len(line.strip(' ')) > 0:
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if line[0] == '+':
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added_files.add(line[1:])
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elif line[0] == '-':
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removed_files.add(line[1:])
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self.pe.write_index_file()
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else:
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#a previous index does not exist. Most likely means that
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#media monitor has never seen this directory before. Let's
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@ -63,27 +80,20 @@ class AirtimeMediaMonitorBootstrap():
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self.logger.info("Previous index file does not exist. Creating a new one")
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#create a new index file.
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command = "find %s -type f -iname '*.ogg' -o -iname '*.mp3' -readable" % dir
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stdout = self.execCommandAndReturnStdOut(command)
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self.logger.info("New files found: \n%s\n", stdout)
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self.write_file(airtime_tmp + '/.airtime_media_index', stdout)
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stdout = self.pe.write_index_file()
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new_files = stdout.split('\n')
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for file_path in new_files:
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modified_files.add(file_path)
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added_files.add(file_path)
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self.logger.debug("set size: %d", len(modified_files))
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for file_path in modified_files:
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for file_path in added_files:
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if os.path.exists(file_path):
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self.pe.handle_created_file(False, os.path.basename(file_path), file_path)
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def write_file(self, file, string):
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f = open(file, 'w')
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f.write(string)
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f.close()
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for file_path in removed_files:
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self.pe.handle_removed_file(file_path)
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def execCommand(self, command):
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p = Popen(command, shell=True)
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sts = os.waitpid(p.pid, 0)[1]
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@ -96,9 +106,4 @@ class AirtimeMediaMonitorBootstrap():
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if p.returncode != 0:
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self.logger.warn("command \n%s\n return with a non-zero return value", command)
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return stdout
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if __name__ == '__main__':
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mmb = AirtimeMediaMonitorBootstrap()
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mmb.scan()
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@ -3,8 +3,6 @@ import time
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import os
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import logging
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from multiprocessing import Process, Lock, Queue as mpQueue
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# For RabbitMQ
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from kombu.connection import BrokerConnection
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from kombu.messaging import Exchange, Queue, Consumer, Producer
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@ -26,6 +24,7 @@ class AirtimeNotifier(Notifier):
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self.md_manager = AirtimeMetadata()
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self.import_processes = {}
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self.watched_folders = []
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while not self.init_rabbit_mq():
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self.logger.error("Error connecting to RabbitMQ Server. Trying again in few seconds")
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@ -112,7 +111,6 @@ class AirtimeNotifier(Notifier):
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# -data
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# -is_recorded_show
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def update_airtime(self, d):
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filepath = d['filepath']
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mode = d['mode']
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@ -4,6 +4,8 @@ import grp
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import pwd
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import logging
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from subprocess import Popen, PIPE
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import pyinotify
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from pyinotify import WatchManager, Notifier, ProcessEvent
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@ -36,6 +38,11 @@ class AirtimeProcessEvent(ProcessEvent):
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self.mask = pyinotify.ALL_EVENTS
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self.wm = WatchManager()
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self.md_manager = AirtimeMetadata()
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#Set to "True" everytime we get a file event so
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#that we can track of when we need to rewrite the
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#index file
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self.dirty = False
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#define which directories the pyinotify WatchManager should watch.
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def watch_directory(self, directory):
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@ -177,7 +184,6 @@ class AirtimeProcessEvent(ProcessEvent):
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#yyyy-mm-dd-hh-MM-ss
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y = orig_md['MDATA_KEY_YEAR'].split("-")
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filepath = '%s/%s/%s/%s/%s-%s-%s%s' % (storage_directory, "recorded".encode('utf-8'), y[0], y[1], orig_md['MDATA_KEY_YEAR'], md['MDATA_KEY_TITLE'], md['MDATA_KEY_BITRATE'], file_ext)
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is_recorded_show = True
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elif(md['MDATA_KEY_TRACKNUMBER'] == u'unknown'.encode('utf-8')):
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filepath = '%s/%s/%s/%s/%s-%s%s' % (storage_directory, "imported".encode('utf-8'), md['MDATA_KEY_CREATOR'], md['MDATA_KEY_SOURCE'], md['MDATA_KEY_TITLE'], md['MDATA_KEY_BITRATE'], file_ext)
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else:
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@ -191,7 +197,7 @@ class AirtimeProcessEvent(ProcessEvent):
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except Exception, e:
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self.logger.error('Exception: %s', e)
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return filepath, is_recorded_show
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return filepath
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#event.dir: True if the event was raised against a directory.
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#event.name
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@ -229,10 +235,15 @@ class AirtimeProcessEvent(ProcessEvent):
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file_md = self.md_manager.get_md_from_file(pathname)
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if file_md is not None:
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filepath, is_recorded_show = self.create_file_path(pathname, file_md)
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self.move_file(pathname, filepath)
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self.renamed_files[pathname] = filepath
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self.file_events.append({'mode': self.config.MODE_CREATE, 'filepath': filepath, 'data': file_md, 'is_recorded_show': is_recorded_show})
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is_recorded_show = 'MDATA_KEY_CREATOR' in file_md and \
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file_md['MDATA_KEY_CREATOR'] == "AIRTIMERECORDERSOURCEFABRIC".encode('utf-8')
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if not self.is_parent_directory(pathname, self.config.imported_directory):
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filepath = self.create_file_path(pathname, file_md)
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self.move_file(pathname, filepath)
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self.renamed_files[pathname] = filepath
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self.file_events.append({'mode': self.config.MODE_CREATE, 'filepath': filepath, 'data': file_md, 'is_recorded_show': is_recorded_show})
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else:
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self.file_events.append({'mode': self.config.MODE_CREATE, 'filepath': pathname, 'data': file_md, 'is_recorded_show': is_recorded_show})
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def process_IN_MODIFY(self, event):
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@ -290,18 +301,51 @@ class AirtimeProcessEvent(ProcessEvent):
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def process_IN_DELETE(self, event):
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self.logger.info("%s: %s", event.maskname, event.pathname)
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if not event.dir:
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self.file_events.append({'filepath': event.pathname, 'mode': self.config.MODE_DELETE})
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self.handle_removed_file(event.pathname)
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def handle_removed_file(self, pathname):
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self.logger.info("Deleting %s", pathname)
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self.file_events.append({'filepath': pathname, 'mode': self.config.MODE_DELETE})
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def process_default(self, event):
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#self.logger.info("%s: %s", event.maskname, event.pathname)
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pass
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def execCommandAndReturnStdOut(self, command):
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p = Popen(command, shell=True, stdout=PIPE)
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stdout = p.communicate()[0]
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if p.returncode != 0:
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self.logger.warn("command \n%s\n return with a non-zero return value", command)
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return stdout
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def write_index_file(self):
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#create a new index file.
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self.logger.debug("writing new index file")
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command = "find %s -type f -iname '*.ogg' -o -iname '*.mp3' -readable" % '/srv/airtime/stor'
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stdout = self.execCommandAndReturnStdOut(command)
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self.write_file('/var/tmp/airtime' + '/.airtime_media_index', stdout)
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return stdout
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def write_file(self, file, string):
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f = open(file, 'w')
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f.write(string)
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f.close()
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def notifier_loop_callback(self, notifier):
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if len(self.file_events) > 0:
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for event in self.file_events:
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self.multi_queue.put(event)
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for event in self.file_events:
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self.multi_queue.put(event)
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self.file_events = []
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self.dirty = True
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self.file_events = []
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elif self.multi_queue.empty():
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#no file_events and queue is empty. This is a good time
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#to write an index file.
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if self.dirty:
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self.write_index_file()
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self.dirty = False
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#check for any events recieved from Airtime.
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try:
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