{"id":29956,"date":"2019-10-31T21:32:53","date_gmt":"2019-10-31T18:32:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/moya-istoriya-vybora-sistemy-monitoringa\/"},"modified":"2019-10-31T21:32:53","modified_gmt":"2019-10-31T18:32:53","slug":"moya-istoriya-vybora-sistemy-monitoringa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/moya-istoriya-vybora-sistemy-monitoringa","title":{"rendered":"M\u00f4j pr\u00edbeh v\u00fdberu syst\u00e9mu monitorovania","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Syst\u00e9my administr\u00e1torov sa delia na dve kateg\u00f3rie \u2014 t\u00fdch, ktor\u00ed u\u017e pou\u017e\u00edvaj\u00fa monitoring, a t\u00fdch, ktor\u00ed e\u0161te nie.
\n\u017dart humoru<\/i>.<\/i><\/p>\n

K potrebe monitorovania prich\u00e1dzaj\u00fa r\u00f4znymi cestami. Niektor\u00fdm sa \u0161\u0165astie usmieva a monitoring pri\u0161iel z materskej spolo\u010dnosti. Tu je to jednoduch\u00e9, u\u017e za v\u00e1s v\u0161etko premysleli \u2014 \u010d\u00edm, \u010do a ako monitorova\u0165. A pravdepodobne u\u017e nap\u00edsali aj potrebn\u00e9 manu\u00e1ly a vysvetlenia. In\u00ed prich\u00e1dzaj\u00fa k tejto potrebe sami a iniciativa zvy\u010dajne vych\u00e1dza z IT oddelenia. Nev\u00fdhodou je, \u017ee v\u0161etky p\u00e1dy a prek\u00e1\u017eky si budete musie\u0165 odsk\u00fa\u0161a\u0165 na vlastnej ko\u017ei. V\u00fdhody s\u00fa tie\u017e pr\u00edtomn\u00e9 \u2014 m\u00f4\u017eete si vybra\u0165 ak\u00fdko\u013evek monitoringov\u00fd syst\u00e9m a monitorova\u0165 len to nevyhnutn\u00e9, rovnako ako si vymyslie\u0165 vlastn\u00e9 z\u00e1sady reagovania na probl\u00e9my. V r\u00f4znych \u010dasoch som pracoval v r\u00f4znych spolo\u010dnostiach, av\u0161ak tam, kde som bol najbli\u017e\u0161ie k monitorovaniu, som sa vybral druhou cestou.
\n<\/a><\/noindex><\/p>\n

Kr\u00e1tky exkurz do minulosti<\/h3>\n

\nPrv\u00fd \u201ez\u00e1\u017eitok\u201c bol v d\u00e1vnej minulosti. Bolo to u jedn\u00e9ho z miestnych poskytovate\u013eov, kde som n\u00e1hle p\u00f4sobil ako skladn\u00edk. Spravovan\u00e9 zariadenia boli vtedy drah\u00e9, a preto sa kr\u00e1de\u017ee a preru\u0161enia sledovali pomocou Friendly Pinger, ktor\u00fd pingoval nieko\u013ek\u00fdch klientov, ktor\u00ed boli neust\u00e1le \u2013 alebo takmer neust\u00e1le \u2013 online. Fungovalo to tak-tak, ale lep\u0161ie nebolo.<\/p>\n

N\u00e1sledne u in\u00e9ho miestneho poskytovate\u013ea admini pou\u017e\u00edvali Nagios. Po pravde, nemal som tam pr\u00edstup, tak\u017ee som nemohol pos\u00fadi\u0165 jeho mo\u017enosti. Av\u0161ak, spravovan\u00e9 zariadenia sa pou\u017e\u00edvali na ka\u017edom z bodov a pravdepodobne bol monitoring efekt\u00edvnym n\u00e1strojom.<\/p>\n

Potom som sa dostal do spolo\u010dnosti, ktor\u00e1 je transeur\u00e1lnym poskytovate\u013eom a ako dc\u00e9rska slu\u017eba pon\u00fakala dom\u00e1ci internet. Tu sa pou\u017e\u00edvala Zenoss v celej svojej kr\u00e1se. Do hlb\u00edn som sa do\u0148 neponoril, av\u0161ak dok\u00e1zal som poc\u00edti\u0165 cel\u00fd jeho potenci\u00e1l a pr\u00ednos \u2014 len to \u010daro regexp-ov stoj\u00ed za to\u2026 Syst\u00e9m sme nastavovali, prisp\u00f4sobovali a p\u00edsali predpisy zamyslen\u00fdm profesion\u00e1lom vo svojom odbore.<\/p>\n

A tak na \u010fal\u0161om pracovisku som pri\u0161iel k potrebe dozvedie\u0165 sa o probl\u00e9moch sk\u00f4r, ne\u017e sa o nich zmieni nejak\u00fd hlavn\u00fd \u00fa\u010dtovn\u00edk. Vzh\u013eadom na to, \u017ee \u010das na kreat\u00edvne experimenty bol, \u0161iel som sa pozrie\u0165, \u010do n\u00e1m pon\u00faka priemysel.<\/p>\n

M\u00faky v\u00fdberu<\/h3>\n

\nNaozaj, v\u00fdber sa uk\u00e1zal ako prekvapivo jednoduch\u00fd. Samozrejme, na chu\u0165 a farbu s\u00fa v\u0161etky fixky r\u00f4zne, tak\u017ee moje krit\u00e9ri\u00e1 a n\u00e1zory, ktor\u00e9 boli relevantn\u00e9 v tom \u010dase, m\u00f4\u017eu pre v\u00e1s by\u0165 nevhodn\u00e9. Spomenul som si na nieko\u013eko syst\u00e9mov a v kr\u00e1tkosti op\u00ed\u0161em svoje my\u0161lienky o nich.<\/p>\n

Mne, ako Windows administr\u00e1torovi, ako prv\u00e9 napadlo Custer Center v celej svojej kr\u00e1se. Prv\u00fdm a hlavn\u00fdm plusom je jeho integr\u00e1cia do prostredia Microsoft, pri\u010dom bez ak\u00fdchko\u013evek zakl\u00ednan\u00ed, a to nat\u00edvne. Druh\u00fdm plusom je komplexn\u00fd pr\u00edstup. Bu\u010fme \u00faprimn\u00ed, System Center nie je \u010disto monitorovac\u00ed syst\u00e9m \u2014 je to st\u00e1le syst\u00e9m spr\u00e1vy infra\u0161trukt\u00fary. Av\u0161ak, to je aj prv\u00fd m\u00ednus. Rozm\u00fd\u0161\u013ea\u0165 o rozstaven\u00ed tohto mon\u0161tra len kv\u00f4li monitorovaniu d\u00e1va \u017eiadny zmysel. Kebychom potrebovali r\u00f4zne druhy z\u00e1loh a rozmiestnenie mili\u00f3na VDS\u2026 A aj n\u00e1klady na implement\u00e1ciu nepote\u0161ia, preto\u017ee sa treba rozbi\u0165 dvakr\u00e1t \u2014 najprv na licenci\u00e1ch, a potom na serveroch<\/a>, kde to bude \u017ei\u0165.<\/p>\n

\u010ealej sa obr\u00e1time na minulos\u0165 v podobe Nagios. Syst\u00e9m odpadol okam\u017eite, preto\u017ee konfigur\u00e1cia syst\u00e9mu ru\u010dne cez konfigura\u010dn\u00e9 s\u00fabory rob\u00ed syst\u00e9m \u0165a\u017eko spravovate\u013en\u00fdm. Neodsudzujem \u013eud\u00ed, ktor\u00fdm sa p\u00e1\u010di prejs\u0165 pol praxe tis\u00edc rovnak\u00fdch riadkov, aby opravili jedin\u00fd parameter, ale s\u00e1m to robi\u0165 nechcem.<\/p>\n

Zenoss. Skvel\u00fd syst\u00e9m! V\u0161etko je tam, v\u0161etko m\u00f4\u017ee, nastavuje sa s prijate\u013enou \u00farov\u0148ou zlo\u017eitosti, ale je trochu \u0165a\u017ek\u00fd. Nemali sme tak\u00e9 rozmery, ak\u00e9ko\u013evek vnoren\u00e9 skupiny sme nikdy nepou\u017e\u00edvali. A aj samotn\u00fd engine sa uk\u00e1zal ako pr\u00edli\u0161 n\u00e1ro\u010dn\u00fd na zdroje. Na\u010do? Zriekli sme sa.<\/p>\n

Zabbix \u2014 na\u0161a vo\u013eba. Pri\u0165ahovali n\u00e1s dostato\u010dne n\u00edzke syst\u00e9mov\u00e9 po\u017eiadavky a jednoduchos\u0165 spustenia. V skuto\u010dnosti spustenie trvalo nieko\u013eko min\u00fat. Stiahnu\u0165 obraz pre VMWare a stla\u010di\u0165 tla\u010didlo \u201ezapn\u00fa\u0165 virtu\u00e1lku\u201c. V\u0161etko! Povedal by som, \u017ee na na\u0161e potreby by \u00faplne posta\u010doval tento \u201e\u0161tartovac\u00ed obraz\u201c, hoci sme \u010doskoro v\u0161etko rozbehli, ako sa patr\u00ed.<\/p>\n

V p\u00f4vodnom zozname bol e\u0161te Cacti, ale k nemu sa jednoducho nedostalo. Ak\u00fd m\u00e1 zmysel, ak Zabbix vzlietol na prv\u00fdkr\u00e1t a v\u0161etk\u00fdm sa hne\u010f zap\u00e1\u010dil? Tak\u017ee o Cacti nem\u00f4\u017eem poveda\u0165 ni\u010d.<\/p>\n

Po nap\u00edsanom<\/h3>\n

\nSpolo\u010dnos\u0165, v ktorej som implementoval Zabbix, \u00faspe\u0161ne zomrela svojou smr\u0165ou. Majite\u013e povedal: \u201eV\u0161etko ma u\u017e prestalo bavi\u0165, zatv\u00e1ram biznis\u201c, tak\u017ee o monitorovan\u00ed tam nie je \u010do rozpr\u00e1va\u0165. Sledovali sme servermi<\/a>, internet a tunely na v\u0161etk\u00fdch platform\u00e1ch a zbierali sme po\u010d\u00edtadl\u00e1 z tla\u010diarn\u00ed.<\/p>\n

Potom v mojom \u017eivote na kr\u00e1tku dobu existoval PRTG. Pod\u013ea m\u00f4jho n\u00e1zoru v\u00fdborne funguje s Windows syst\u00e9mami, pou\u017e\u00edva zauj\u00edmav\u00fd mechanizmus pr\u00e1ce agentov a stoj\u00ed nemal\u00e9 peniaze. To pri dos\u0165 smutnej ideol\u00f3gii pr\u00edstupu k aktualiz\u00e1ci\u00e1m verzi\u00ed.<\/p>\n

Spolo\u010dnos\u0165, v ktorej teraz pracujem, pou\u017e\u00edva Zabbix. To nebol m\u00f4j v\u00fdber, ale som \u0161\u0165astn\u00fd a plne to podporujem. Ber\u00fac do \u00favahy stav syst\u00e9mu monitorovania pred moj\u00edm pr\u00edchodom, takmer som to cel\u00e9 znovu vytvoril. Bolo si vedom\u00e9, \u017ee \u201erob\u00edme nie\u010do zle\u201c. A bol rozbehnut\u00fd nov\u00fd server<\/a> so Zabbixom, ale nebol nikto, kto by sa tejto \u00falohy ujal a dotiahol ju do konca. \u00dapln\u00e9ho osvetlenia v monitorovan\u00ed sme e\u0161te nedosiahli, ale chceme veri\u0165, \u017ee smerujeme t\u00fdm spr\u00e1vnym smerom. Proces chodenia za ide\u00e1lom monitorovania je nekone\u010dn\u00fd, aj ke\u010f z\u00e1kladn\u00e9 t\u00e9zy som si u\u017e stanovil.
\n
Zdroj: habr.com<\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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