僕の mackerel-agent.conf 公開します

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๻ͷ mackerel-agent.conf ެ։͠·͢ • 2017-08-23 @ CAMPFIRE • Mackerel User Group Meeting Vol.3 • Yuichiro Saito (@koemu) 1 © Yuichiro Saito (koemu), 2017

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ࣗݾ঺հ - @koemu • ΃ͪͺʔͰ͢ SRE͡Όͳ͍Ͱ͢ • Mackerel Standard Plan ՝ۚϢʔβͰ͢ • ͍͔ͭ͘ϓϥάΠϯʹίϯτϦϏϡʔτ͠·ͨ͠ • Apache • MySQL • Linux • ͩͱࢥ͏ 2 © Yuichiro Saito (koemu), 2017

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؂ࢹ͍ͯ͠Δαʔόʹ͍ͭͯ • ݸਓར༻ͷ͘͞ΒVPS • WordpressΛ࢖ͬͨϒϩάαʔό • MySQL 5.6 • PHP 7.0 • memcached • ͳͲͳͲ͕ಈ͍͍ͯΔ 3 © Yuichiro Saito (koemu), 2017

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Ͱ͸͓ݟͤ͠·͢ 4 © Yuichiro Saito (koemu), 2017

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5 © Yuichiro Saito (koemu), 2017

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؂ࢹઃఆ΋ 6 © Yuichiro Saito (koemu), 2017

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7 © Yuichiro Saito (koemu), 2017

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…͍͢·ͤΜ ࣈ͕খͯ͘͞ಡΊͳ͍Ͱ͢ΑͶɻ͔ͩΒɺgistʹΞοϓϩʔυͯ͠ ͋Γ·͢ɻ • https:/ /gist.github.com/koemu/ b0156ba1209e60290da3f7fb090755d6 8 © Yuichiro Saito (koemu), 2017

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ͲΜͳ݁ՌʹͳΔͷ͔ MackerelͷWebը໘͸͜Μͳײ͡ʹͳΓ·͢ɻ 9 © Yuichiro Saito (koemu), 2017

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10 © Yuichiro Saito (koemu), 2017

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…͍͢·ͤΜ ॎ௕ͰΑ͘Θ͔Βͳ͍Ͱ͢ΑͶɻ͔ͩΒɺDashboardͷը໘Λ͓ݟ ͤ͠·͢ɻ 11 © Yuichiro Saito (koemu), 2017

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12 © Yuichiro Saito (koemu), 2017

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Ͳ͏͍͏ઃఆΛ͍ͯ͠Δͷ͔ • ࢮ׆؂ࢹͱϝτϦοΫ؂ࢹ • ࢮ׆؂ࢹ • ਖ਼ৗʹϓϩηεɾαʔϏε͕ಈ࡞͍ͯ͠Δ͔Λ֬ೝ͢Δ • നࠇ͚ͭ΍͍͢ • NagiosϓϥάΠϯΛ࢖͏ͷָ͕ • ϝτϦοΫ؂ࢹ • ҰఆҎ্ͷෛՙ͕͔͔͍ͬͯΔ͔/ҰఆҎ্ͷύϑΥʔϚϯε͕ग़͍ͯΔ͔ • εϖΫτϥϜͳͷͰനࠇ͚ͭͮΒ͍ ؂ࢹઃఆ࣌ʹํ਑ܾఆ͕ඞཁ • ੵۃతʹMackerelϓϥάΠϯΛར༻͍ͯ͘͠ 13 © Yuichiro Saito (koemu), 2017

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ࢮ׆؂ࢹͷྫ • ࣮ࡍʹ๻͕؂ࢹઃఆ͍ͯ͠Δઃఆ߲໨ͷதͰɺࢮ׆؂ࢹͷྫΛ ࣔ͠·͢ɻ • ࣌ؒͷؔ܎ͰɺϝτϦοΫ؂ࢹͷ࿩͸ࠓճ͸͠·ͤΜɻ 14 © Yuichiro Saito (koemu), 2017

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ࢮ׆؂ࢹͷྫ1 • ϓϩηε؂ࢹ • ઃఆ໊ plugin.checks.check_procs_* ͱ͍ͯ͠Δͱ͜Ζɻ • nagios/plugins/check_procs -w 1: -a [PROCNAME]ɹͰઃఆͰ ͖Δɻ • ʮ͋Εͬɺ͋ͷσʔϞϯ্͛๨Εͯͳ͍͔ͳʁʯʮσʔϞϯউखʹ ࢮΜͰো֐ʹͳ͍ͬͯͳ͍͔ͳʁʯ͕؆୯͔࣮ͭ֬ʹ؂ࢹͰ͖Δɻ • ઃఆ͸ͱͯ΋؆୯ɻ 15 © Yuichiro Saito (koemu), 2017

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ࢮ׆؂ࢹͷྫ2 • ઀ଓ؂ࢹ (httpsͷૄ௨֬ೝͳͲ) • ઃఆ໊ plugin.checks.check_http_* ͳͲɻ • nagios/plugins/check_http ͳͲΛ࢖͏ɻ • ʮηογϣϯᷓΕͯ઀ଓෆೳʯʮσʔϞϯ͕த్൒୺ʹࢮΜͰ઀ଓෆೳʯ͕ ؆୯ʹ؂ࢹͰ͖Δɻ • ໰୊͸λΠϜΞ΢τΛ͍ͭ͘ʹ͢Δ͔ɻ • ฏ࣌ͷϨεϙϯελΠϜΛ͋Β͔͡Ίଌ͓͍ͬͯͯɺ3ഒఔ౓Λᮢ஋ʹ͢Δɻ 16 © Yuichiro Saito (koemu), 2017

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͜Μͳײ͡Ͱௐ΂͓͖ͯ·͢ • ͍͍ͩͨฏۉ30msecͰԠ౴Λฦ͍ͤͯΔɻ • ϒϩάͳͷͰɺ100msecҎ಺ʹฦ͍ͤͯΕ͹·ͣ໰୊͸ى͖ͳ͍ɻ • ·ͨɺ͜ͷฏۉ஋ʹۙ͗͢Δ஋Λᮢ஋ʹ͢Δͱޡใ͕ଟൃ͔͠Ͷͳ͍ɻ • Ҏ্͔ΒɺWarning: 100msec, Critical: 300msec, Timeout: 1,000msecͱઃఆɻ $ check_http -w 0.1 -c 0.3 -t 1 -I localhost -H www.koemu.com -u /blog/about/ -S -s 'koemu' HTTP OK: HTTP/1.1 200 OK - 70677 bytes in 0.026 second response time |time=0.026307s;0.100000;0.300000;0.000000 size=70677B;;;0 $ check_http -w 0.1 -c 0.3 -t 1 -I localhost -H www.koemu.com -u /blog/about/ -S -s 'koemu' HTTP OK: HTTP/1.1 200 OK - 70692 bytes in 0.025 second response time |time=0.025080s;0.100000;0.300000;0.000000 size=70692B;;;0 $ check_http -w 0.1 -c 0.3 -t 1 -I localhost -H www.koemu.com -u /blog/about/ -S -s 'koemu' HTTP OK: HTTP/1.1 200 OK - 70677 bytes in 0.032 second response time |time=0.032058s;0.100000;0.300000;0.000000 size=70677B;;;0 17 © Yuichiro Saito (koemu), 2017

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΋͏ͪΐͬͱࡉ͔͘஌Γ͍ͨਓ͸ • YAPC::Asia Tokyo 2014 ͷʮಥવITΠϯϑϥΛ೚͞ΕͨਓͷͨΊ ͷ…؂ࢹઃܭೖ໳ʯͱ͍͏ηογϣϯͰɺΑΓࡉ͔͘࿩͠Λ͠ ͍ͯ·͢ɻ • εϥΠυͳͲΛϒϩάʹΞοϓ͍ͯ͠·͢ͷͰͲ͏ͧɻ • https:/ /www.koemu.com/blog/2014/09/01/yapcasia-2014/ 18 © Yuichiro Saito (koemu), 2017

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ΑΓਂ͘஌Γ͍ͨਓ͸ • ʮιϑτ΢ΣΞΤϯδχΞͷͨΊͷ IT Πϯϑϥ؂ࢹ࣮ફೖ໳ʯͱ͍͏ຊΛॻ ͖·ͨ͠ɻ͓खʹͱͬͯ͝ཡͩ͘͞ ͍ɻ • ిࢠॻ੶൛΋͋ΔΑʂ(ٕज़ධ࿦ࣾެ ࣜ, Kindle) • http:/ /amzn.to/2vTiB6E 19 © Yuichiro Saito (koemu), 2017

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࠷ޙʹ • αʔό؂ࢹ͸ɺະདྷͷࣗ෼Λٹ͏ͨΊʹ΍Δ͜ͱͰ͢ɻ • ໘౗ͳΜͰ͚͢ͲɺҰ౓ઃఆͯ͠͠·͑͹͋·Γಈ͔͢΋ͷͰ ͸ͳ͍Ͱ͢ɻ • ؂ࢹઃఆ͕·ͩͷਓ͸ɺϨοττϥΠʂ 20 © Yuichiro Saito (koemu), 2017