{"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\/da\/blog\/administrirovanie\/pagerduty-ili-pochemu-po-nocham-mozhet-ne-spat-otdel-ekspluatatsii","title":{"rendered":"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Jo mere kompleks et system er, jo flere alarmer opst\u00e5r der. Det skaber behov for at reagere p\u00e5 disse alarmer, aggregere dem og visualisere dem. Jeg tror, mange kender situationen s\u00e5 godt, at de f\u00e5r nerv\u00f8se tics.<\/p>\n<p>L\u00f8sningen, vi vil tale om, er ikke den mest overraskende, men en ordentlig artikel om emnet kan v\u00e6re sv\u00e6r at finde.<\/p>\n<p>Derfor har jeg besluttet at dele erfaringerne fra FunCorp og fort\u00e6lle, hvordan vagtprocessen er opbygget, hvem der ringer, hvorfor, og hvordan man kan se p\u00e5 det hele.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten\" 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>Hvad er PagerDuty?<\/h3>\n<p>\nS\u00e5 for at l\u00f8se alle disse opgaver begyndte vi at lede efter et praktisk v\u00e6rkt\u00f8j. Efter en kort s\u00f8gning valgte vi PagerDuty. PD virkede som en tilstr\u00e6kkelig komplet og kortfattet l\u00f8sning med mange integrationer og indstillingsmuligheder. Hvad best\u00e5r den egentligt af?<\/p>\n<p>Kort sagt, PagerDuty er en platform til h\u00e5ndtering af h\u00e6ndelser, der kan h\u00e5ndtere indkommende h\u00e6ndelser gennem forskellige integrationer, indstille vagtr\u00e6kkef\u00f8lgen og derefter udf\u00f8re alarmering til den vagthavende ingeni\u00f8r baseret p\u00e5 h\u00e6ndelsens niveau (ved h\u00f8jt niveau \u2014 et opkald, ved lavt \u2014 en push fra appen\/sms).<\/p>\n<h3>Hvem er den vagthavende?<\/h3>\n<p>\nDet er nok det f\u00f8rste, man skal begynde at indstille i PD.<\/p>\n<p>I FunCorp, ligesom i andre virksomheder, er der en \u00e6restitel som vagthavende. Den overleveres fra ingeni\u00f8r til ingeni\u00f8r hver dag. Der er s\u00e5kaldte f\u00f8rste og anden linje til at reagere p\u00e5 alarmer fra PagerDuty. Antag, at der kommer en alarm med h\u00f8j prioritet, og hvis der ikke reageres p\u00e5 den inden for 10 minutter efter opkaldet til den vagthavende fra f\u00f8rste linje (dvs. den ikke er blevet \u00e6ndret til status anerkendt eller l\u00f8st), g\u00e5r opkaldet videre til den anden vagthavende ingeni\u00f8r. Dette indstilles i selve PagerDuty gennem Escalation Policies.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten\" src=\"\/wp-content\/uploads\/2019\/12\/1968156d37c4210ccf92dd57861c9fd8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nHvis den anden vagthavende heller ikke svarer, returneres underretningen tilbage til <em>den hoved<\/em> vagthavende.<\/p>\n<p>S\u00e5ledes kan enhver indkommende alarm med h\u00f8j prioritet ikke forblive ubearbejdet.\u00a0<\/p>\n<p>Lad os nu se, hvor indl\u00e6ggene kan komme fra.<\/p>\n<h3>Hvilke integrationer bruger vi?<\/h3>\n<p>\nDer kommer mange forskellige h\u00e6ndelser fra forskellige tjenester til PD. Vi har i \u00f8jeblikket cirka 25 s\u00e5danne tjenester, og til at h\u00e5ndtere dem bruger vi nogle af de eksisterende integrationer.<\/p>\n<ul>\n<li>Prometheus\n<\/li>\n<\/ul>\n<p>\nDet prim\u00e6re metrics indsamling system er Prometheus. Der er allerede skrevet meget om det p\u00e5 Habr, jeg vil blot sige, at vi har flere af dem til forskellige milj\u00f8er: en indsamler metrics fra virtuelle maskiner og Docker, en anden fra Amazons tjenester, og en tredje fra \"bare metal\" maskiner. Telegraf bruges prim\u00e6rt som metrics eksport\u00f8r.<\/p>\n<ul>\n<li>E-mail\n<\/li>\n<\/ul>\n<p>\nHer er det ogs\u00e5, synes jeg, alt klart fra navnet. Denne integration bruges til at sende notificationer fra visse scripts, der k\u00f8res via cron. PD giver dig en bestemt adresse, hvorefter du sender e-mails. N\u00e5r du opretter en service med en s\u00e5dan integration, kan du indstille prioriteter for, hvordan indkommende h\u00e6ndelser skal behandles, og hvordan du \u00f8nsker at oprette en alert (for hver indkommende e-mail, for en indkommende e-mail + en bestemt regel osv.).<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten\" 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>\nEfter min mening er det en ret interessant integration. Der forekommer situationer, hvor noget sker, men ikke d\u00e6kkes af h\u00e6ndelser. Derfor har vi tilf\u00f8jet en Slack integration til at oprette en h\u00e6ndelse. Det vil sige, at man kan skrive i virksomhedens Slack <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> og PD vil behandle dette og sende h\u00e6ndelsen til den on-call ingeni\u00f8r.<\/p>\n<p>Vi g\u00f8r:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten\" src=\"\/wp-content\/uploads\/2019\/12\/5f35935b763a4d9e57a4a735c70a4cd5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVi ser:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten\" 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 integration. Her, er der egentlig ikke noget s\u00e6rligt interessant, blot en POST-anmodning med en krop i JSON-format. For eksempel, noget interessant: vi bruger det til ekstern overv\u00e5gning med hj\u00e6lp fra <noindex><a rel=\"nofollow\" href=\"https:\/\/www.statuscake.com\/\">https:\/\/www.statuscake.com\/<\/a><\/noindex>. Denne service tjekker tilg\u00e6ngeligheden af vores websites fra forskellige steder i verden. Hvis vi modtager en uacceptabel svarkode (for eksempel 502), oprettes en h\u00e6ndelse, og s\u00e5 forts\u00e6tter alt som beskrevet ovenfor. I StatusCake er der mulighed for overv\u00e5gning af interne URLs, udl\u00f8b af SSL-certifikat eller dom\u00e6ne.<\/p>\n<ul>\n<li>LibreNMS\n<\/li>\n<\/ul>\n<p>\nDette er endnu et overv\u00e5gningssystem, om det kan du l\u00e6se mere p\u00e5 deres hjemmeside <noindex><a rel=\"nofollow\" href=\"https:\/\/www.librenms.org\/\">https:\/\/www.librenms.org\/<\/a><\/noindex>. Ved hj\u00e6lp af det laver vi overv\u00e5gning af netv\u00e6rksinterfaces og iDRAC fra serverne.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten\" src=\"\/wp-content\/uploads\/2019\/12\/2725f57aaa29d448320d48ef1cf4638c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDer har ogs\u00e5 v\u00e6ret s\u00e5danne integrationer som Datadog, CloudWatch. Du kan se n\u00e6rmere p\u00e5, hvad der er sket med dem <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/funcorp\/blog\/425431\/\">her<\/a><\/noindex>.<\/p>\n<h3>Visualisering<\/h3>\n<p>\nDet prim\u00e6re system til h\u00e6ndelsesmeddelelse er Slack. Alle indkommende h\u00e6ndelser i PD skrives i en speciel chat, og hvis deres status \u00e6ndres, vises dette ogs\u00e5 i chatten.<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten\" src=\"\/wp-content\/uploads\/2019\/12\/adb2a280dfa547735e1e293c6fc6e1b5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDa muligheden for at vise nyttige data p\u00e5 sk\u00e6rme, der h\u00e6nger fra loftet, pludselig opstod, inds\u00e5 vi (i devops-afdelingen), at vi ikke havde noget at vise p\u00e5 dem. Grafana er fantastisk, men den kan ikke d\u00e6kke det hele, og medarbejderne reagerer p\u00e5 alarmer, ikke p\u00e5 grafer.<\/p>\n<p>Efter en grundig, men mislykket s\u00f8gning p\u00e5 GitHub efter et kortfattet og informativt 'board' til PD, besluttede vi at skrive vores eget \u2014 kun med det, vi har brug for. Selvom id\u00e9en i starten var at vise selve PD-interface p\u00e5 sk\u00e6rmen, s\u00e5 det endnu mere besv\u00e6rligt ud.<\/p>\n<p>For at skrive det, kr\u00e6ver det kun at f\u00e5 n\u00f8glen til PD med read-only rettigheder.<br \/>\nOg her er resultatet:<\/p>\n<p><img decoding=\"async\" alt=\"PagerDuty, eller hvorfor driftsafdelingen kan have problemer med at sove om natten\" src=\"\/wp-content\/uploads\/2019\/12\/bc341f5db4a663520c3313151be73a9e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSk\u00e6rmen viser aktuelle \u00e5bne h\u00e6ndelser, navnet p\u00e5 den nuv\u00e6rende vagthavende ingeni\u00f8r fra den valgte tidsplan og tiden uden en h\u00f8jprioritet h\u00e6ndelse (panelet med h\u00f8jprioritet h\u00e6ndelsen vil blive fremh\u00e6vet med r\u00f8dt).<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/suknark\/pdviewer\">Kildekoderne til denne implementering kan ses her<\/a><\/noindex>.<\/p>\n<p>Resultatet er, at vi har f\u00e5et et praktisk dashboard til at se alle vores h\u00e6ndelser. Jeg vil v\u00e6re glad, hvis vores erfaring kan v\u00e6re nyttig for nogen af jer.<br \/>\n<br \/>Kilde: <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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