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openbmp-mrt2bmp's Issues

Past RIB dumps are loaded when they shouldn't be

At times a RIB dump from weeks ago is processed when it shouldn't be.

openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:26,927 | INFO     | router_processor | Using working dir /home/ubuntu/mrt/rv/router_data/route-views.isc.routeviews.org
openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:26,928 | INFO     | router_processor | There is an abnormality between timestamps of two files in route-views.isc.routeviews.org .
openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:26,928 | INFO     | router_processor | There is an abnormality between timestamps of two files in route-views.isc.routeviews.org .
openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:26,935 | INFO     | router_processor | -- 2018.01/RIBS/rib.20180131.2200.bz2 is started
openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:26,942 | INFO     | router_processor | -- 2018.01/RIBS/rib.20180131.2200.bz2 is ended
openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:56,972 | INFO     | router_processor | Using working dir /home/ubuntu/mrt/rv/router_data/route-views.isc.routeviews.org
openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:56,973 | INFO     | router_processor | There is an abnormality between timestamps of two files in route-views.isc.routeviews.org .
openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:56,979 | INFO     | router_processor | -- 2018.02/RIBS/rib.20180203.1000.bz2 is started
openbmp-mrt2bmp_route-views.isc.routeviews.org.log:2018-04-10 17:14:56,987 | INFO     | router_processor | -- 2018.02/RIBS/rib.20180203.1000.bz2 is ended

Expected Behavior

  • RIB dump is only processed when (a) program is started, (b) when there is an updates gap.
  • There is a knob to allow update gaps, which should trigger the RIB dump from only be read to get peer info
  • When reading a RIB dump, only the RIB dump minus expected hours should be loaded. Currently the max is RIPE with 8 hour RIB DUMPs.
  • If a RIB dump is needed to be loaded and one doesn't exist within the allowed time window, then the program should log that it can't find one and continue to check on interval (e.g. interval of 5 minutes)

BGP attribute NEXT_HOP - KeyError: 32

Greetings,
when selecting RIPE server (tested with rrc00 and rrc23), there is following error.

How I can debug this further?

/usr/bin/openbmp-mrt2bmp -c /etc/openbmp-mrt2bmp.yml --rp rrc23.ripe.net
Ripe is chosen...
openbmp-mrt2bmp_rrc23.ripe.net.log
<type 'exceptions.KeyError'>
Traceback (most recent call last):
  File "build/bdist.linux-x86_64/egg/openbmp/mrt2bmp/MrtProcessors.py", line 606, in run
    rp.processRouteView(is_first_run)
  File "build/bdist.linux-x86_64/egg/openbmp/mrt2bmp/MrtProcessors.py", line 526, in processRouteView
    rp.processRibFile()
  File "build/bdist.linux-x86_64/egg/openbmp/mrt2bmp/MrtProcessors.py", line 68, in processRibFile
    for m in mp:
  File "build/bdist.linux-x86_64/egg/openbmp/mrt2bmp/MrtParser.py", line 118, in next
    self.parseMrtEntry( entry['mrt_entry'], msg_len, msg_type, msg_subtype)
  File "build/bdist.linux-x86_64/egg/openbmp/mrt2bmp/MrtParser.py", line 165, in parseMrtEntry
    self.parseTableDumpV2(buf, mrt_message, msg_len, msg_type, msg_subtype)
  File "build/bdist.linux-x86_64/egg/openbmp/mrt2bmp/MrtParser.py", line 244, in parseTableDumpV2
    self.parseRibEntries(buf[p:], mrt_message['rib_entries'], address_family, safi, raw_nlri)
  File "build/bdist.linux-x86_64/egg/openbmp/mrt2bmp/MrtParser.py", line 388, in parseRibEntries
    rib_entry['raw_bgp_attributes'], rib_entry['attribute_length'], address_family, safi, raw_nlri, rib_entry['raw_mp_reach_nlri'])
  File "build/bdist.linux-x86_64/egg/openbmp/mrt2bmp/MrtParser.py", line 425, in parseBgpAttributes
    if BGP_ATTRIBUTES[bgp_path_attribute['type']] == 'NEXT_HOP':
KeyError: 32

Previous updates are read first before RIB table when starting using '-r' option

Updates are read and no table dump import is performed when UPDATE files exist with an earlier timestamp than the first available RIB file.

This results in missing RIB data since the RIB file wasn't conveyed via BMP.

2017-05-16 13:03:05,766 | INFO     | mrt_processors | - route-views2 is started
2017-05-16 13:03:05,805 | INFO     | router_processor | There is an abnormality between timestamps of two files in route-views2 .
2017-05-16 13:03:05,824 | INFO     | router_processor | -- 2017.05/UPDATES/updates.20170516.1845.bz2 is started
2017-05-16 13:03:05,828 | INFO     | bmp_writer | Running bmp_writer
2017-05-16 13:03:05,830 | INFO     | bmp_writer | Connected to remote collector: localhost:5000
2017-05-16 13:03:20,961 | INFO     | router_processor | -- 2017.05/UPDATES/updates.20170516.1845.bz2 is ended
2017-05-16 13:03:20,962 | INFO     | router_processor | -- 2017.05/UPDATES/updates.20170516.1900.bz2 is started

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