{"id":54388,"date":"2019-12-25T00:00:00","date_gmt":"2019-12-24T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/pagerduty-ili-pochemu-po-nocham-mozhet-ne-spat-otdel-ekspluatatsii"},"modified":"2020-02-18T14:02:23","modified_gmt":"2020-02-18T11:02:23","slug":"pagerduty-ili-pochemu-po-nocham-mozhet-ne-spat-otdel-ekspluatatsii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/pagerduty-ili-pochemu-po-nocham-mozhet-ne-spat-otdel-ekspluatatsii","title":{"rendered":"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Min\u00e9l bonyolultabb egy rendszer, ann\u00e1l t\u00f6bb figyelmeztet\u00e9ssel terhelik. Felmer\u00fcl a sz\u00fcks\u00e9g, hogy reag\u00e1ljunk ezekre a figyelmeztet\u00e9sekre, aggreg\u00e1ljuk \u0151ket \u00e9s vizualiz\u00e1ljuk. Azt hiszem, ez a helyzet sokak sz\u00e1m\u00e1ra ismer\u0151s lehet a ideges\u00edt\u0151 r\u00e1ng\u00e1sokig.<\/p>\n<p>A megold\u00e1s, amir\u0151l sz\u00f3 lesz, nem a legmeglep\u0151bb, de teljes cikket a t\u00e9m\u00e1ban nem tal\u00e1lhat\u00f3.<\/p>\n<p>Ez\u00e9rt \u00fagy d\u00f6nt\u00f6ttem, hogy megosztom a FunCorp tapasztalatait, \u00e9s elmes\u00e9lem, hogyan \u00e9p\u00fcl fel a \u00fcgyeleti folyamat, ki h\u00edv, mi\u00e9rt, \u00e9s hogyan lehet mindezt k\u00f6vetni.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka\" src=\"\/wp-content\/uploads\/2019\/12\/344e8d538f9ca98e019cbbb74cda39ab.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Mi az a PagerDuty?<\/h3>\n<p>\nTeh\u00e1t, hogy megoldjuk ezeket a feladatokat, elkezdt\u00fck keresni egy k\u00e9nyelmes eszk\u00f6zt. R\u00f6vid keresg\u00e9l\u00e9s ut\u00e1n a PagerDuty-ra esett a v\u00e1laszt\u00e1sunk. A PD teljes \u00e9s t\u00f6m\u00f6r megold\u00e1snak t\u0171nt, sok integr\u00e1ci\u00f3val \u00e9s be\u00e1ll\u00edt\u00e1ssal. Mir\u0151l van sz\u00f3?<\/p>\n<p>R\u00f6viden, a PagerDuty egy incidentszolg\u00e1ltat\u00f3 platform, amely k\u00e9pes kezelni a bej\u00f6v\u0151 esem\u00e9nyeket k\u00fcl\u00f6nb\u00f6z\u0151 integr\u00e1ci\u00f3kon kereszt\u00fcl, be\u00e1ll\u00edtani az \u00fcgyelet rendj\u00e9t, \u00e9s az esem\u00e9ny szintje szerint figyelmeztetni az \u00fcgyeletes m\u00e9rn\u00f6k\u00f6t (magas szint\u0171 esem\u00e9ny eset\u00e9n h\u00edv\u00e1s, alacsony szint\u0171 eset\u00e9n push \u00e9rtes\u00edt\u00e9s\/applik\u00e1ci\u00f3s SMS).<\/p>\n<h3>Ki az \u00fcgyeletes?<\/h3>\n<p>\nVal\u00f3sz\u00edn\u0171leg ezt kellene az els\u0151 l\u00e9p\u00e9sk\u00e9nt be\u00e1ll\u00edtani a PD-n\u00e9l.<\/p>\n<p>A FunCorp-n\u00e1l, ak\u00e1rcsak m\u00e1s c\u00e9gekn\u00e9l, van egy tiszts\u00e9g, az \u00fcgyeletes. Ez a tiszts\u00e9g naponta \u00e1tad\u00f3dik egy m\u00e9rn\u00f6kr\u0151l a m\u00e1sikra. Van egy \u00fagynevezett els\u0151 \u00e9s m\u00e1sodik vonal, mely reag\u00e1l a PagerDuty figyelmeztet\u00e9seire. Tegy\u00fck fel, hogy egy magas priorit\u00e1s\u00fa figyelmeztet\u00e9s \u00e9rkezik, \u00e9s ha 10 percen bel\u00fcl az els\u0151 vonal \u00fcgyeletes m\u00e9rn\u00f6kre nem reag\u00e1lnak (teh\u00e1t nem ker\u00fclt az \u00e1llapota bring\u00e1s vagy megoldott st\u00e1tuszba), a h\u00edv\u00e1s \u00e1tker\u00fcl a m\u00e1sodik \u00fcgyeletes m\u00e9rn\u00f6kh\u00f6z. Ez a PagerDuty-n bel\u00fcl az Escalation Policies-en kereszt\u00fcl van be\u00e1ll\u00edtva.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka\" src=\"\/wp-content\/uploads\/2019\/12\/1968156d37c4210ccf92dd57861c9fd8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nHa a m\u00e1sodik \u00fcgyeletes sem v\u00e1laszol, akkor az \u00e9rtes\u00edt\u00e9s visszat\u00e9r a <em>f\u0151<\/em> \u00fcgyeleteshez.<\/p>\n<p>\u00cdgy teh\u00e1t egyetlen bej\u00f6v\u0151 magas priorit\u00e1s\u00fa figyelmeztet\u00e9s sem maradhat feldolgozatlanul.\u00a0<\/p>\n<p>Most n\u00e9zz\u00fck meg, honnan \u00e9rkezhetnek az incidensek.<\/p>\n<h3>Milyen integr\u00e1ci\u00f3kat haszn\u00e1lunk?<\/h3>\n<p>\nA PD-re sokf\u00e9le esem\u00e9ny \u00e9rkezik k\u00fcl\u00f6nb\u00f6z\u0151 szolg\u00e1ltat\u00e1sokt\u00f3l. Jelenleg k\u00f6r\u00fclbel\u00fcl 25 ilyen szolg\u00e1ltat\u00e1sunk van, \u00e9s ezek feldolgoz\u00e1s\u00e1hoz n\u00e9h\u00e1ny k\u00e9sz integr\u00e1ci\u00f3t haszn\u00e1lunk.<\/p>\n<ul>\n<li>Prometheus\n<\/li>\n<\/ul>\n<p>\nA f\u0151 metrikagy\u0171jt\u0151 rendszer a Prometheus. Err\u0151l m\u00e1r sokat \u00edrtak a Habr-on, csak annyit mondan\u00e9k, hogy nek\u00fcnk t\u00f6bb v\u00e1lfaja van, k\u00fcl\u00f6nb\u00f6z\u0151 k\u00f6rnyezetekhez: az egyik a virtu\u00e1lis g\u00e9pekr\u0151l \u00e9s kont\u00e9nerekr\u0151l gy\u0171jt metrik\u00e1kat, a m\u00e1sik az Amazont\u00f3l \u00e9rkez\u0151 szolg\u00e1ltat\u00e1sokb\u00f3l, a harmadik pedig a \u201eterm\u00e1lis g\u00e9pekb\u0151l\u201d. F\u0151k\u00e9nt k\u00f6rnyezeti metrik\u00e1k export\u00e1l\u00e1s\u00e1ra a Telegraf-ot haszn\u00e1ljuk.<\/p>\n<ul>\n<li>Email\n<\/li>\n<\/ul>\n<p>\nItt is, gondolom, minden vil\u00e1gos a n\u00e9vb\u0151l. Ez az integr\u00e1ci\u00f3 a bizonyos, cron seg\u00edts\u00e9g\u00e9vel v\u00e9grehajtott szkriptekb\u0151l \u00e9rkez\u0151 \u00e9rtes\u00edt\u00e9sek k\u00fcld\u00e9s\u00e9re szolg\u00e1l. A PD ad neked egy c\u00edmet, ahov\u00e1 k\u00fcldheted az e-maileket. A szolg\u00e1ltat\u00e1s l\u00e9trehoz\u00e1sakor ilyen integr\u00e1ci\u00f3val be\u00e1ll\u00edthatod a priorit\u00e1sokat, milyen sorrendben dolgozz\u00e1k fel a be\u00e9rkez\u0151 incidenseket, \u00e9s hogy pontosan hogyan l\u00e9trehozni az \u00e9rtes\u00edt\u00e9seket (minden be\u00e9rkez\u0151 e-mailre, egy be\u00e9rkez\u0151 e-mail + egy bizonyos szab\u00e1ly stb.).<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka\" src=\"\/wp-content\/uploads\/2019\/12\/955d07c645be30f8beedc9d3347296b2.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<ul>\n<li>Slack\n<\/li>\n<\/ul>\n<p>\nSzerintem ez egy nagyon \u00e9rdekes integr\u00e1ci\u00f3. Vannak olyan esetek, amikor valami t\u00f6rt\u00e9nik, de nem \u00e9ri el az incidenst. Ez\u00e9rt adtunk hozz\u00e1 integr\u00e1ci\u00f3t a Slack-b\u0151l incidens l\u00e9trehoz\u00e1s\u00e1ra. Vagyis a v\u00e1llalati Slack-ben lehet \u00edrni <b>\/callofduty \u0432\u0441\u0435 \u0442\u043e\u0440\u043c\u043e\u0437\u0438\u0442 \u0438 \u0441\u043a\u043e\u0440\u043e \u0441\u043b\u043e\u043c\u0430\u0435\u0442\u0441\u044f<\/b> \u00e9s a PD feldolgozza ezt, \u00e9s k\u00fcld egy incidenst a j\u00e1r\u0151r m\u00e9rn\u00f6knek.<\/p>\n<p>A k\u00f6vetkez\u0151ket csin\u00e1ljuk:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka\" src=\"\/wp-content\/uploads\/2019\/12\/5f35935b763a4d9e57a4a735c70a4cd5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nL\u00e1tjuk:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka\" src=\"\/wp-content\/uploads\/2019\/12\/c04b4f991ca7a4e71f25005e90b6215d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<ul>\n<li>API\n<\/li>\n<\/ul>\n<p>\nHTTP integr\u00e1ci\u00f3. Itt val\u00f3j\u00e1ban nincs igaz\u00e1n \u00e9rdekes dolog, csak egy POST-k\u00e9r\u00e9s JSON-form\u00e1tum\u00fa t\u00f6rzs tartalommal. P\u00e9ld\u00e1ul az \u00e9rdekes: mi ezt haszn\u00e1ljuk k\u00fcls\u0151 monitoroz\u00e1sra a <noindex><a rel=\"nofollow\" href=\"https:\/\/www.statuscake.com\/\">https:\/\/www.statuscake.com\/<\/a><\/noindex>. Ez a szolg\u00e1ltat\u00e1s ellen\u0151rzi weboldalaink el\u00e9rhet\u0151s\u00e9g\u00e9t a vil\u00e1g k\u00fcl\u00f6nb\u00f6z\u0151 pontjair\u00f3l. Amikor elfogadhatatlan v\u00e1laszk\u00f3dot kapunk (p\u00e9ld\u00e1ul 502), incidens keletkezik, \u00e9s minden a fent le\u00edrt l\u00e1ncolat szerint t\u00f6rt\u00e9nik. A StatusCake-ben lehet\u0151s\u00e9g van bels\u0151 URL-ek, SSL-tan\u00fas\u00edtv\u00e1nyok vagy domain lej\u00e1rati idej\u00e9nek monitoroz\u00e1s\u00e1ra is.<\/p>\n<ul>\n<li>LibreNMS\n<\/li>\n<\/ul>\n<p>\nEz egy m\u00e1sik monitoroz\u00e1si rendszer, amelyr\u0151l r\u00e9szletesebben olvashatsz a honlapjukon <noindex><a rel=\"nofollow\" href=\"https:\/\/www.librenms.org\/\">https:\/\/www.librenms.org\/<\/a><\/noindex>. Ezzel nyomon k\u00f6vetj\u00fck a h\u00e1l\u00f3zati interf\u00e9szeket \u00e9s az iDRAC-ot a szerverekb\u0151l.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka\" src=\"\/wp-content\/uploads\/2019\/12\/2725f57aaa29d448320d48ef1cf4638c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVoltak m\u00e9g olyan integr\u00e1ci\u00f3k, mint a Datadog, CloudWatch. R\u00e9szletesebben arr\u00f3l, hogy mi lett vel\u00fck, itt n\u00e9zhetsz ut\u00e1na <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/funcorp\/blog\/425431\/\">itt tal\u00e1lhat\u00f3<\/a><\/noindex>.<\/p>\n<h3>Vizualiz\u00e1ci\u00f3.<\/h3>\n<p>\nA f\u0151 incidens\u00e9rtes\u00edt\u00e9si rendszer a Slack. Egy k\u00fcl\u00f6n csoportba \u00edrj\u00e1k az \u00f6sszes be\u00e9rkez\u0151 PD-incidens, \u00e9s ha a st\u00e1tuszuk megv\u00e1ltozik, ez is megjelenik a csoportban.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka\" src=\"\/wp-content\/uploads\/2019\/12\/adb2a280dfa547735e1e293c6fc6e1b5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAmikor lehet\u0151s\u00e9g ny\u00edlt hasznos adatokat megjelen\u00edteni a plafonra f\u00fcggesztett monitorokon, hirtelen r\u00e1j\u00f6tt\u00fcnk, hogy nek\u00fcnk (a devops r\u00e9szlegnek) nincs mit kivet\u00edten\u00fcnk. Van egy nagyszer\u0171 Grafana, de az nem fed le mindent, r\u00e1ad\u00e1sul a koll\u00e9g\u00e1k az \u00e9rtes\u00edt\u00e9sekre reag\u00e1lnak, nem pedig a grafikonokra.<\/p>\n<p>Miut\u00e1n alapos, de eredm\u00e9nytelen keres\u00e9st v\u00e9gezt\u00fcnk GitHub-on egy t\u00f6m\u00f6r \u00e9s informat\u00edv PD t\u00e1bl\u00e1\u00e9rt, \u00fagy d\u00f6nt\u00f6tt\u00fcnk, hogy \u00edrunk egy saj\u00e1tot \u2014 csak ami nek\u00fcnk sz\u00fcks\u00e9ges. B\u00e1r el\u0151sz\u00f6r az \u00f6tlet volt, hogy a PD fel\u00fclet\u00e9t jelen\u00edts\u00fck meg, de ez m\u00e9g k\u00e9nyelmetlenebbnek t\u0171nt.<\/p>\n<p>Ehhez elegend\u0151 csak a PD-t\u0151l egy read-only kulcsot beszerezni.<br \/>\n\u00c9s ezt siker\u00fclt l\u00e9trehoznunk:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, vagy Mi\u00e9rt nem alszik n\u00e9ha az \u00fczemeltet\u00e9si oszt\u00e1ly \u00e9jszaka\" src=\"\/wp-content\/uploads\/2019\/12\/bc341f5db4a663520c3313151be73a9e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA k\u00e9perny\u0151n aktu\u00e1lis nyitott incidensek, a kiv\u00e1lasztott \u00fctemez\u00e9sb\u0151l sz\u00e1rmaz\u00f3 aktu\u00e1lis \u00fcgyeletes m\u00e9rn\u00f6k neve \u00e9s a magas priorit\u00e1s\u00fa incidens n\u00e9lk\u00fcli id\u0151 jelenik meg (a magas priorit\u00e1s\u00fa incidens panel pirossal lesz kiemelve).<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/suknark\/pdviewer\">A megval\u00f3s\u00edt\u00e1s forr\u00e1sk\u00f3dj\u00e1t itt lehet megtekinteni<\/a><\/noindex>.<\/p>\n<p>V\u00e9g\u00fcl egy k\u00e9nyelmes m\u0171szerfalat kaptunk, amellyel az \u00f6sszes incidens\u00fcnket \u00e1tn\u00e9zhetj\u00fck. \u00d6r\u00fcln\u00e9k, ha valakinek a tapasztalatunk hasznos lenne.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/funcorp\/blog\/481656\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0427\u0435\u043c \u0441\u043b\u043e\u0436\u043d\u0435\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u0442\u0435\u043c \u0431\u043e\u043b\u044c\u0448\u0435 \u043e\u043d\u0430 \u043e\u0431\u0440\u0430\u0441\u0442\u0430\u0435\u0442 \u0432\u0441\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u043c\u0438 \u0430\u043b\u0435\u0440\u0442\u0430\u043c\u0438. \u0418 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0435\u0442 \u043f\u043e\u0442\u0440\u0435\u0431\u043d\u043e\u0441\u0442\u044c \u043d\u0430 \u044d\u0442\u0438 \u0441\u0430\u043c\u044b\u0435 \u0430\u043b\u0435\u0440\u0442\u044b \u0440\u0435\u0430\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c, \u0430\u0433\u0440\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0438 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c. \u0414\u0443\u043c\u0430\u044e, \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f, \u0437\u043d\u0430\u043a\u043e\u043c\u0430\u044f \u043c\u043d\u043e\u0433\u0438\u043c \u0434\u043e \u043d\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u0442\u0438\u043a\u0430. \u0420\u0435\u0448\u0435\u043d\u0438\u0435, \u043e \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u043e\u0439\u0434\u0451\u0442 \u0440\u0435\u0447\u044c, \u043d\u0435 \u0441\u0430\u043c\u043e\u0435 \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e\u0435, \u043d\u043e \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u043f\u043e \u044d\u0442\u043e\u0439 \u0442\u0435\u043c\u0435 \u043f\u043e\u0438\u0441\u043a \u043d\u0435 \u0432\u044b\u0434\u0430\u0451\u0442. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u044f \u0440\u0435\u0448\u0438\u043b \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u043e\u043f\u044b\u0442\u043e\u043c FunCorp \u0438 \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u0442\u044c \u043e \u0442\u043e\u043c, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-54388","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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