Created
May 28, 2019 19:29
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Parse Heroku logs and index the logs in Elasticsearch
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| require 'elasticsearch' | |
| require 'time' | |
| client = Elasticsearch::Client.new host: "172.17.0.1", log: true | |
| mappings = { | |
| mappings: { | |
| log: { | |
| properties: { | |
| ts: { type: 'date' }, | |
| service: { type: 'long' }, | |
| connect: { type: 'long' }, | |
| } | |
| } | |
| } | |
| } | |
| index_name = "logs" | |
| client.indices.create index: index_name, body: mappings | |
| bulk_body = [] | |
| File.open('veh.log') do |f| | |
| f.each_line do |ln| | |
| fields = ln.split | |
| next unless fields[3] == "heroku" && fields[4] == "router" | |
| data = {ts: Time.parse(fields[2]).iso8601} | |
| fields.each_with_index do |c, idx| | |
| if c =~ /\A(\w+)="?(.+?)"?\z/ | |
| data[$1.to_sym] = $2 | |
| end | |
| end | |
| if(pos = data[:path].index("?")) | |
| data[:short_path] = data[:path][0...pos] | |
| else | |
| data[:short_path] = data[:path] | |
| end | |
| if(pos = data[:fwd].index(",")) | |
| data[:client_ip] = data[:fwd][0...pos] | |
| else | |
| data[:client_ip] = data[:fwd] | |
| end | |
| data[:connect] = data[:connect].to_i | |
| data[:service] = data[:service].to_i | |
| #client.index index: index_name, type: 'log', body: data, refresh: true | |
| bulk_body << { index: { _index: index_name, _type: 'log'} } | |
| bulk_body << data | |
| if bulk_body.size > 100 | |
| client.bulk body: bulk_body | |
| bulk_body.clear | |
| end | |
| end | |
| end | |
| client.bulk body: bulk_body unless bulk_body.empty? |
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