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Elastic stackで始めるログ解析入門
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Jun Ohtani
November 19, 2016
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Elastic stackで始めるログ解析入門
2016/11/19のOSC福岡2016で発表した資料です。
Jun Ohtani
November 19, 2016
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Transcript
‹#› 2016/11/19 Evangelist at Elastic Jun Ohtani @johtani Elastic stackͰ͡ΊΔ
ϩάղੳೖ
‹#›
ΞδΣϯμ • Elastic stackհ • Logstash - Logऩू • Elasticsearch
- ݕࡧɾղੳ • Kibana - ՄࢹԽ • ༻ϓϥάΠϯհ 3
about • Me, Jun Ohtani / Technical Advocate ‒ lucene-gosenίϛολʔ
‒ ElasticSearch Serverຊޠ൛ͷ༁ ‒ http://blog.johtani.info • Elasticsearch, founded in 2012 ‒ Products: Elasticsearch, Logstash, Kibana, Beats Marvel, Shield, Watcher, Graph Professional services: Support & development subscriptions ‒ Trainings 4
5 ElasticελοΫ
ElasticελοΫʢOpen Sourceʣ 6 Kibana Elasticsearch
Logstash Beats
ElasticελοΫ 7 Elastic Cloud
X-Pack Kibana Elasticsearch ! " Logstash Beats +
Elastic stackʹΑΔσʔλੳ 8 σʔλ Import/Parse /Export Store/Search Visualize
9 Logstash
Elastic stackʹΑΔσʔλੳ 10 σʔλ Import/Parse /Export Store/Search Visualize
Logstash in 10 seconds • ϩάɾσʔλͷऩूɾཧ • ऩूɺύʔεɾՃɺૹग़ • ΦʔϓϯιʔεɿApache
License 2.0 • Ruby app (JRuby) 11
Logstash architecture 12 Input Output Filter ? ? collect and
split alter and enrich store and visualize
ઃఆ 13 input { … } filter { … }
output { … }
ઃఆɿinput 14 input { file { path => “/Users/johtani/sample/*_log" start_position
=> "beginning" } }
1ߦ1σʔλ 189.120.xx.xx - - [02/Dec/2014:12:18:29 +0900] "GET /manager/html HTTP/ 1.1"
404 274 "-" "Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0" 15
ઃఆɿfilter 16 filter { grok { match => { "message"
=> "%{COMBINEDAPACHELOG}" } break_on_match => false } date { match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"] locale => en } geoip { source => ["clientip"] } useragent { source => "agent" target => "useragent" } }
ύʔε 17 189.120.xx.xx - - [02/Dec/2014:12:18:29 +0900] "GET /manager/html HTTP/1.1"
404 274 "-" "Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0" {… "@timestamp": "2015-04-10T09:07:49.325Z", "clientip": "189.120.xx.xx", "ident": "-", "auth": "-", "timestamp": "02/Dec/2014:12:18:29 +0900", "verb": "GET", "request": "/manager/html", … "agent": "\"Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/
ઃఆɿfilter 18 filter { grok { match => { "message"
=> "%{COMBINEDAPACHELOG}" } break_on_match => false } date { match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"] locale => en } geoip { source => ["clientip"] } useragent { source => "agent" target => "useragent" } }
ͷύʔε 19 {… "@timestamp": "2015-04-10T09:07:49.325Z", … "timestamp": "02/Dec/2014:12:18:29 +0900", …
} {… "@timestamp": "2014-12-02T03:18:29.000Z", … "timestamp": "02/Dec/2014:12:18:29 +0900", … }
ઃఆɿfilter 20 filter { grok { match => { "message"
=> "%{COMBINEDAPACHELOG}" } break_on_match => false } date { match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"] locale => en } geoip { source => ["clientip"] } useragent { source => "agent" target => "useragent" } }
IP͔ΒҢܦͳͲ༩ 21 "clientip": "189.120.xx.xx", "clientip": "189.120.xx.xx", "geoip": { "ip": “189.120.xxx.xxx”,
… "country_name": "Brazil", "continent_code": "SA", "region_name": "27", "city_name": "São Paulo", "latitude":
ઃఆɿfilter 22 filter { grok { match => { "message"
=> "%{COMBINEDAPACHELOG}" } break_on_match => false } date { match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"] locale => en } geoip { source => ["clientip"] } useragent { source => "agent" target => "useragent" } }
ϢʔβΤʔδΣϯτͷύʔε 23 "agent": "\"Mozilla/5.0 (Windows NT 5.1; rv: 5.0) Gecko/20100101
Firefox/5.0\"" "agent": "\"Mozilla/5.0 (Windows NT 5.1; rv: 5.0) Gecko/20100101 Firefox/5.0\"" "useragent": { "name": "Firefox", "os": "Windows XP", "os_name": "Windows XP", "device": "Other", "major": "5", "minor": "0"
ઃఆɿoutput 24 output { elasticsearch { hosts => ["localhost"] index
=> “demo_access_log-%{+YYYY.MM.dd}” } }
25 Elasticsearch
ݕࡧͱͯ͠ͷ Elasticsearch
Elasticsearchͱʁ
ϑϦʔϫʔυݕࡧ 28
ߜΓࠐΈ 29
ϋΠϥΠτ 30
ιʔτ 31
ϖʔδϯά 32
ूܭ 33
αδΣετ 34
Elasticsearch in 10 seconds • εΩʔϚϑϦʔɺࢄυΩϡϝϯτετΞɺREST & JSON • Φʔϓϯιʔε:
Apache License 2.0 • ઃఆͳ͠Ͱ؆୯ʹࢼ͢͜ͱ͕Մೳ • JavaͰ࣮ɻ֦ு༰қ 35
Powerful Search at Scale 36
؆୯ͳCRUD
σʔλొ 38 curl -XPUT localhost:9200/books/book/1 -d ' { "title" :
"Elasticsearch - The definitive guide", "authors" : "Clinton Gormley", "started" : "2013-02-04", "pages" : 230 }'
σʔλߋ৽ 39 curl -XPUT localhost:9200/books/book/1 -d ' { "title" :
"Elasticsearch - The definitive guide", "authors" : [ "Clinton Gormley", "Zachary Tong" ], "started" : "2013-02-04", "pages" : 230 }'
σʔλআ 40 curl -X DELETE localhost:9200/books/book/1 σʔλͷऔಘ curl —X GET
localhost:9200/books/book/1 curl —X GET localhost:9200/books/book/1/_source
ݕࡧ 41 curl -XGET localhost:9200/books/_search?q=elasticsearch { "took" : 2, "timed_out"
: false, "_shards" : { "total" : 5, "successful" : 5, "failed" : 0 }, "hits" : { "total" : 1, "max_score" : 0.076713204, "hits" : [ { "_index" : “books", "_type" : “book", "_id" : "1", "_score" : 0.076713204, "_source" : { "title" : "Elasticsearch - The definitive guide", "authors" : [ "Clinton Gormley", "Zachary Tong" ], "started" : “2013-02-04", "pages" : 230 } } ]
ݕࡧ - Query DSL 42 curl -XGET ‘localhost:9200/books/book/_search' -d '{
"query": { "filtered" : { "query" : { "match": { "text" : { "query" : “To Be Or Not To Be", "cutoff_frequency" : 0.01 } } }, "filter" : { "range": { "price": { "gte": 20.0 "lte": 50.0
ࢄߏɺ εέʔϧ
Basic terms • ΠϯσοΫε ‒ σʔλͷཧతͳू߹ɻ RDBͷσʔλϕʔεͷΑ͏ͳͷLogical • ϨϓϦέʔγϣϯ •
ಡΈࠐΈͷεέʔϥϏϦςΟ্ • SPOFͷղফ • γϟʔσΟϯά • ෳϚγϯσʔλΛׂ ॻ͖ࠐΈͷεέʔϥϏϦςΟ্ σʔλϑϩʔ੍ޚ 44
γϟʔυͱϨϓϦΧ 45 node 1 orders products 1 4 1 2
2 3 curl -X PUT localhost:9200/orders -d '{ "settings.index.number_of_shards" : 4 "settings.index.number_of_replicas" : 1 }' curl -X PUT localhost:9200/products -d '{ "settings.index.number_of_shards" : 2 "settings.index.number_of_replicas" : 0 }'
γϟʔυͱϨϓϦΧ 46 node 1 orders products 1 4 1 node
2 orders products 2 2 3 4 1 2 3
ࣗಈతͳࢄ 47 node 1 orders products 2 1 4 1
node 2 orders products 2 2 node 3 orders products 3 4 1 3
શจݕࡧͱʁ
શจݕࡧͱʁ • શจݕࡧʢFull text searchʣͱɺίϯϐϡʔλʹ͓͍ͯɺෳͷจॻ ʢϑΝΠϧʣ͔ΒಛఆͷจࣈྻΛݕࡧ͢Δ͜ͱɻʮϑΝΠϧ໊ݕࡧʯ ʮ୯ҰϑΝΠϧͷจࣈྻݕࡧʯͱҟͳΓɺʮෳจॻʹ·͕ͨͬͯɺจ ॻʹؚ·ΕΔશจΛରͱͨ͠ݕࡧʯͱ͍͏ҙຯͰ༻͞ΕΔɻ ʢWikipediaΑΓʣ 49
༻ޠ • ΠϯσοΫε ݕࡧΤϯδϯ͕ݕࡧʹ༻͢Δσʔλͷอଘઌ • υΩϡϝϯτʢจॻʣ ‒ ݕࡧΤϯδϯʹอଘ͞Εͨσʔλ • ϑΟʔϧυ
‒ υΩϡϝϯτʹؚ·ΕΔଐੑ • ΫΤϦ ‒ ݕࡧ݅ɺݕࡧࣜ 50
༻ޠ • εΩʔϚ ‒ υΩϡϝϯτͷߏΛఆٛ͢Δͷ • λʔϜʢTermʣɺτʔΫϯʢTokenʣ ‒ ΠϯσοΫεͷΩʔʹͳΔ୯ޠʢจࣈྻʣ ‒
จষΛҰఆͷ๏ଇͰ۠ͬͨ୯ޠ ‒ ୯ޠ͚ͩͰͳ͘ɺ୯ޠͷҐஔͳͲؚΉ 51
υΩϡϝϯτͷొ 52 1 2 ΧπΦαβΤͷఋ αβΤϫΧϝͷ࢞ υΩϡϝϯτͷొ
υΩϡϝϯτͷొ 53 1 2 ΧπΦαβΤͷఋ αβΤϫΧϝͷ࢞ 1 2 ΧπΦ αβΤ
ͷ ͷ αβΤ ϫΧϝ ఋ ࢞ υΩϡϝϯτͷొ ୯ޠʹׂ
υΩϡϝϯτͷొ 54 1 2 ΧπΦαβΤͷఋ αβΤϫΧϝͷ࢞ 1 2 ΧπΦ αβΤ
ͷ ͷ αβΤ ϫΧϝ ఋ ࢞ ΧπΦ αβΤ 1 1 2 ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 υΩϡϝϯτͷొ ୯ޠʹׂ ୯ޠ͔Βidͷྻ͕ Ҿ͚ΔΑ͏ʹ
ݕࡧ 55 ΧπΦ αβΤ 1 1 2 ͷ ࢞
ϫΧϝ 2 1 2 1 2 1 ఋ 2 ݕࡧ݅ೖྗ ΧπΦɹαβΤ
ݕࡧ 56 ΧπΦ αβΤ 1 1 2 ͷ ࢞
ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ݅ೖྗ ݕࡧ݅ͷύʔε ݕࡧΫΤϦԽ ΧπΦɹαβΤ
ݕࡧ 57 ΧπΦ αβΤ 1 1 2 ͷ ࢞
ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ݅ೖྗ ݕࡧ݅ͷύʔε ݕࡧΫΤϦԽ ΧπΦɹαβΤ
ݕࡧ 58 ΧπΦ αβΤ 1 1 2 ͷ ࢞
ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ݅ೖྗ ݕࡧ݅ͷύʔε ݕࡧΫΤϦԽ ΧπΦɹαβΤ
ݕࡧ 59 ΧπΦ αβΤ 1 1 2 ͷ ࢞
ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ݅ೖྗ ݕࡧ݅ͷύʔε ݕࡧΫΤϦԽ ΧπΦɹαβΤ
ݕࡧ 60 ΧπΦ αβΤ 1 1 2 ͷ ࢞
ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ݅ೖྗ ݕࡧ݅ͷύʔε ݕࡧΫΤϦԽ ΧπΦɹαβΤ
ݕࡧ 61 ΧπΦ αβΤ 1 1 2 ͷ ࢞
ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ݅ೖྗ ݕࡧ݅ͷύʔε ݕࡧΫΤϦԽ ΧπΦɹαβΤ
୯ޠͷ۠Γํ • ӳޠͷ߹ I am speaking Introduction Elasticsearch.
• ຊޠͷ߹ ࢲೖElasticsearchʹ͍͍ͭͯͯ͠Δɻ 62
୯ޠͷ۠Γํ • ӳޠͷ߹ I am speaking Introduction Elasticsearch.
εϖʔε͕ΕͱΘ͔Δ • ຊޠͷ߹ ࢲೖElasticsearchʹ͍͍ͭͯͯ͠Δɻ Ͳ͜Ͱ۠ΕΑ͍ʁ 63
N-Gramͱܗଶૉղੳ • సஔΠϯσοΫεͷΩʔͷ࡞Γํ ‒ ຊޠ୯ޠͷΕ͕Θ͔Βͳ͍ͷͰɺసஔΠϯσοΫεͷΩʔ ओʹ࣍ͷ̎ͭͷख๏Ͱ࡞ • N-Gram ‒ NจࣈͣͭจষΛ۠Δ
• ܗଶૉղੳ ‒ ࣙॻͳͲΛ༻͍ͯҙຯͷ͋Δ୯ޠͰ۠Δ 64
ܗଶૉղੳ • ϝϦοτɿ ‒ ҙຯͷ͋Δ୯ޠͷΕ ࢺใΛݩʹՃॲཧ͕ՄೳʢޠװมͳͲʣ • σϝϦοτɿ ‒ ৽ޠʢະޠʣʹऑ͍→ࣙॻϕʔεͷ߹ɺࣙॻʹͳ͍୯ޠݕग़ෆ
ೳɻ 65 ΧπΦαβΤͷఋ ΧπΦ ͷ αβΤ ఋ
N-Gram • ϝϦοτɿ ‒ ະޠʹରԠՄೳ • σϝϦοτɿ ‒ ΠϯσοΫεංେԽ ‒
ࢺใʹجͮ͘ॲཧ͕ෆՄೳ 66 ΧπΦαβΤͷఋ Χπ πΦ Φ α αβ βΤ Τͷ ͷఋ
ͦͷଞͷػೳ
elasticsearch ͞·͟·ͳܗࣜͷσʔλͰ GeoݕࡧՄೳ ҢܦɺGeoHashɺ GeoShape… GEO
Percolator • υΩϡϝϯτͰͳ͘ΫΤϦΛొ • _percolate APIʹυΩϡϝϯτΛૹ৴ • ొ͞ΕͨΫΤϦʹϚονͨ͠߹ɺ Ϛονͨ͠ΫΤϦΛฦ͢ 69
Snapshot/Restore • 1.0͔Βಋೖ • ΠϯσοΫε୯ҐͰSnapshot/RestoreՄೳ • อଘઌʢRepositoryʣ ‒ Shard FSɺS3ɺHDFSɺAzure…
70
Ecosystem • Plugins ‒ ϓϥάΠϯʹΑΔػೳͷՃ • ΫϥΠΞϯτϥΠϒϥϦ • Ruby, python,
php, perl, javascript, .NET • Scala, clojure, go • Hadoop integration 71
Elasticsearch - The Definitive guide http://www.elastic.co/guide/en/ elasticsearch/guide/current/index.html 72 ৄ͘͠Γ͍ͨํ
ղੳͱͯ͠ͷElasticsearch
aggregation
Aggregationͱ • 1.0͔Βಋೖ • FacetΑΓڧྗͳूܭͳͲ͕Մೳ • ֊తͳूܭɺάϧʔϓԽ ಈతͳूܭɺάϧʔϓԽ • େ͖͘2छྨ
• BucketɹυΩϡϝϯτΛ͝ͱʹ݁ՌΛάϧʔϐϯά • Metricɹ υΩϡϝϯτͷ࣋ͭΛूܭ 75
ྫɿݴޠ͓ΑͼҬͷूܭ 76 curl -XGET twitter-2014.08.22/_search -d ' { "aggs": {
"lang": { "terms": {"field": "lang" }, "aggs": { "place": { "terms": { "field": “place.full_name", "size": 10 } } } } } }
ྫɿݴޠ͓ΑͼҬͷूܭ 77 "aggregations": { "lang": { "buckets": [{…}, { "key":
"ja", "doc_count": 980145, "place": { "buckets": [ { "key": "ژࢢ෬ݟ۠, ژ", "doc_count":252 }, { "key": "ઍా۠, ౦ژ", "doc_count": 39 },…
78 KibanaͰՄࢹԽ
Kibana 4 • ElasticsearchͷσʔλΛՄࢹԽ • Node.js server & JavaScript •
Apache License 2.0 • Elastic Stackͷ૭ͷׂ • ༷ʑͳGUIΛPluginͱ͍ͯެ։ • MarvelɺSenseɺTimelionͳͲ 79
Kibana 4 80
σϞ for Kibana5 Access Log 81
Combining Search and Analytics 82
ͦͷଞͷ ElasticελοΫ
ܰྔσʔλγούʔ 84 Beats
Capture the Packet Packetbeat
Capture the Packet Packetbeat
Welcome to 1998 winlogbeat
Now winlogbeat
elasticsearch-hadoop 89 - • D E H • PD ecd
ER • g D • CH • Ca M DMS D FERC
None
X-Pack 5.0: Extending the Elastic Stack
Security
X-Pack : Securityͷಛ • User Authentication ‒ LDAP/Active Directory/ϑΝΠϧϕʔε •
Authorization ‒ ϩʔϧϕʔεͷΞΫηείϯτϩʔϧ ‒ ΠϯσοΫε͝ͱɺΞΫγϣϯ͝ͱͷઃఆ͕Մೳ ‒ υΩϡϝϯτɾϑΟʔϧυ͝ͱͷઃఆՄೳʹ • ηΩϡΞͳ௨৴ ‒ ElasticsearchϊʔυؒͷSSL/TLSɺIPϑΟϧλϦϯά • ࠪϩά 93
ΨΠυͳͲ • ϓϩμΫτϖʔδ ‒ https://www.elastic.co/jp/products/x-pack/security • ΨΠυ ‒ https://www.elastic.co/guide/en/x-pack/current/xpack-security.html 94
Alerting
X-Pack : Alertingͷಛ • ΫΤϦʹΑΔWatch ‒ ElasticsearchͷΫΤϦΛར༻ͯ͠σʔλͷࢹ • ݅ͷઃఆ ‒
ΞΫγϣϯΛ࣮ߦ͢Δ͔Ͳ͏͔ͷઃఆ • εέδϡʔϧ ‒ ΫΤϦΛ࣮ߦ͠ɺ݅ΛνΣοΫ͢Δසͷࢦఆ • ΞΫγϣϯͷఆٛ ‒ ϝʔϧͷૹ৴ɺଞγεςϜͷσʔλૹ৴ͳͲͷಈ࡞Λઃఆ • ཤྺͷอଘ 96
ΨΠυͳͲ • ϓϩμΫτϖʔδ ‒ https://www.elastic.co/jp/products/x-pack/alerting • ΨΠυ ‒ https://www.elastic.co/guide/en/x-pack/current/xpack-alerting.html
97
Graph
Graphͷಛ • σʔλؒͷͭͳ͕ΓΛ୳ࡧ͢ΔϓϥάΠϯ • KibanaϓϥάΠϯʹΑΓGUIΛར༻ͯ͠୳ࡧՄೳ 99
ΨΠυͳͲ • ϓϩμΫτϖʔδ ‒ https://www.elastic.co/jp/products/x-pack/graph • ΨΠυ ‒ https://www.elastic.co/guide/en/x-pack/current/xpack-graph.html
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Cloud
Elastic Cloud • Elasticsearch as a Service • Elasticsearchͷػೳ͕ར༻Մೳ •
ϓϥάΠϯͷར༻Մೳ • ΞοϓάϨʔυ؆୯ • ΧελϜࣙॻɺϓϥάΠϯར༻Մೳ • 14ؒͷ͓ࢼ͠ظؒ͋Γ • SLAϕʔεͷαϒεΫϦϓγϣϯ+༻ϓϥάΠϯ ͕ར༻ՄೳͳαʔϏε 102 Elastic Cloud
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ࢀߟจݙ • Elasticsearch - The Definitive guide ‒ http://www.elastic.co/guide/en/elasticsearch/guide/current/index.html •
ॻ੶ʢຊޠʣ ‒ ElasticSearchServerຊޠ൛ αʔό/ΠϯϑϥΤϯδχΞ ɹཆಡຊɹϩάऩू 104
ࢀߟαΠτ • Ϣʔεέʔε • https://www.elastic.co/use-cases • DiscussʢWebϑΥʔϥϜʣ • https://discuss.elastic.co •
Elastic{ON}ͷϏσΦͱࢿྉ • https://www.elastic.co/elasticon/videos • αϙʔτϝχϡʔ • https://www.elastic.co/subscriptions 105
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