Details
Major Description
Summary:
Making a REST request to ns-server at /metrics fails midway (after returning a few metrics) ie;
curl -v -X GET -u Administrator:password http://172.23.105.215:8091/metrics
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fails with
Illegal or missing hexadecimal sequence in chunked-encoding"
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Looking at error.log on .215
[ns_server:error,2022-01-17T11:15:23.335-08:00,ns_1@172.23.105.215:<0.19752.56>:menelaus_util:reply_server_error_before_close:209]Server error during processing: ["web request failed",
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{path,"/metrics"},
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{method,'GET'},
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{type,error},
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{what,function_clause},
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{trace,
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[{mochiweb_request,get_header_value,
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["menelaus-auth-user",<0.19165.56>],
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[{file,
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"/home/couchbase/jenkins/workspace/couchbase-server-unix/couchdb/src/mochiweb/mochiweb_request.erl"},
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{line,104}]},
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{menelaus_auth,get_identity,1,
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[{file,"src/menelaus_auth.erl"},
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{line,162}]},
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{user_request_throttler,is_throttled,1,
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[{file,"src/user_request_throttler.erl"},
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{line,119}]},
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{user_request_throttler,note_egress,2,
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[{file,"src/user_request_throttler.erl"},
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{line,144}]},
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{menelaus_util,write_chunk,3,
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[{file,"src/menelaus_util.erl"},
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{line,304}]},
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{menelaus_web_prometheus,proxy_chunks,2,
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[{file,"src/menelaus_web_prometheus.erl"},
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{line,101}]},
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{menelaus_web_prometheus,
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proxy_chunks_from_url,2,
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[{file,"src/menelaus_web_prometheus.erl"},
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{line,86}]},
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{menelaus_web_prometheus,
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'-handle_get_metrics/1-lc$^7/1-2-',2,
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[{file,"src/menelaus_web_prometheus.erl"},
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{line,66}]}]}]
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I think this is a regression.
CC: Timofey Barmin - had a chat with Timofey on Slack about this error.