{"id":38787,"date":"2019-10-31T22:25:57","date_gmt":"2019-10-31T19:25:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/pesn-lda-krovavyj-enterprise-i-plameni-devops-i-iac\/"},"modified":"2019-10-31T22:25:57","modified_gmt":"2019-10-31T19:25:57","slug":"pesn-lda-krovavyj-enterprise-i-plameni-devops-i-iac","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/pesn-lda-krovavyj-enterprise-i-plameni-devops-i-iac","title":{"rendered":"P\u00edse\u0148 ledu (krvav\u00fd Enterprise) a plamene (DevOps a IaC)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

T\u00e9ma DevOps a IaC je velmi popul\u00e1rn\u00ed a rychle se rozv\u00edj\u00ed. V\u011bt\u0161ina autor\u016f se v\u0161ak zam\u011b\u0159uje pouze na technick\u00e9 probl\u00e9my na t\u00e9to cest\u011b. J\u00e1 se zam\u011b\u0159\u00edm na probl\u00e9my, kter\u00e9 jsou charakteristick\u00e9 pro velkou spole\u010dnost. Nem\u00e1m \u017e\u00e1dn\u00e9 \u0159e\u0161en\u00ed \u2014 probl\u00e9my jako takov\u00e9 jsou fat\u00e1ln\u00ed a le\u017e\u00ed v oblasti byrokracie, auditu a \u201esoft skills\u201c. <\/p>\n

\"P\u00edse\u0148
\nPokud je n\u00e1zev \u010dl\u00e1nku takov\u00fd, pak jako maskot vystupuje Daenerys, kter\u00e1 p\u0159e\u0161la na stranu Enterprise.
\n<\/a><\/noindex>
\nNepochybn\u011b nyn\u00ed doch\u00e1z\u00ed ke st\u0159etu star\u00e9ho a nov\u00e9ho. A \u010dasto v t\u011bchto koliz\u00edch nejsou \u017e\u00e1dn\u00ed prav\u00ed ani vin\u00edci. Tak to prost\u011b je. Ale abych nebyl bez argument\u016f, za\u010dneme t\u00edmto obrazovkou:<\/p>\n

\"P\u00edse\u0148
\n
\nToto je takzvan\u00fd Change Request. Vid\u00edte p\u0159ibli\u017en\u011b t\u0159etinu pol\u00ed, kter\u00e1 je t\u0159eba vyplnit z r\u016fzn\u00fdch p\u0159\u00edru\u010dek, ostatn\u00ed pole se nach\u00e1zej\u00ed v jin\u00fdch z\u00e1lo\u017ek\u00e1ch. Tento dokument je nutn\u00e9 vyplnit, abyste mohli aplikovat skript na produkci. serveru<\/a>, nebo nahr\u00e1t nov\u00e9 soubory a v\u016fbec jakoukoli zm\u011bnu prov\u00e9st. <\/p>\n

Po\u010det pol\u00ed je tak vysok\u00fd, \u017ee jsem napsal svoji malou automatizaci pro vypln\u011bn\u00ed t\u011bchto pol\u00ed. A tato str\u00e1nka je naps\u00e1na tak, \u017ee \u017e\u00e1dn\u00e9 automatiza\u010dn\u00ed n\u00e1stroje nevid\u00ed jej\u00ed pole, a jedin\u00fdm mo\u017en\u00fdm \u0159e\u0161en\u00edm bylo pou\u017e\u00edt AutoIt, aby jsem mohl prost\u011b klikat my\u0161\u00ed na sou\u0159adnice. Ocen\u011bte m\u00edru zoufalstv\u00ed, abyste se k takov\u00e9mu kroku odv\u00e1\u017eili:<\/p>\n

\"P\u00edse\u0148
\n
\nTak\u017ee vezmete Jenkins, Chef, Terraform, Nexus a dal\u0161\u00ed a radostn\u011b to v\u0161echno nasad\u00edte na sv\u00e9m dev. Ale nast\u00e1v\u00e1 \u010das poslat to na QA, UAT a PROD. Artifact Nexus m\u00e1te a dost\u00e1v\u00e1te e-mail od DBA p\u0159ibli\u017en\u011b s takov\u00fdmto textem:<\/p>\n

V\u00e1\u017een\u00fd,<\/p>\n

Za prv\u00e9, v\u00e1\u0161 Nexus si nem\u016f\u017eu nechat, nem\u00e1m p\u0159\u00edstup k va\u0161emu Nexus.
\nZa druh\u00e9, v\u0161echny zm\u011bny mus\u00ed b\u00fdt zformulov\u00e1ny jako Change Request.
\nSQL skripty mus\u00edte extrahovat z Nexus a p\u0159ipojit je k Change Request.
\nPokud zm\u011bna nen\u00ed nouzov\u00e1, je t\u0159eba to ud\u011blat do 7 dn\u016f od vyd\u00e1n\u00ed (v\u00fdhradn\u011b o v\u00edkendu).
\nKdy\u017e v\u00e1\u0161 Change Request schv\u00e1l\u00ed spousta lid\u00ed, DBA provede v\u00e1\u0161 skript a dokonce v\u00e1m po\u0161le screenshot v\u00fdsledku e-mailem.<\/p>\n

S pozdravem, v\u00e1\u0161 DBA, kter\u00fd tu pracuje od dob mainframe.
\n<\/i><\/p><\/blockquote>\n

V\u00ed\u0161, na co mi to p\u0159ipom\u00edn\u00e1? Polovi\u010dn\u00ed automatizaci: robot dr\u017e\u00ed z\u00e1kladnu, zat\u00edmco d\u011bln\u00edk na ni ml\u00e1t\u00ed kladivem. No opravdu, jak\u00fd m\u00e1 smysl m\u00edt Nexus, kdy\u017e se nakonec v\u0161echno d\u011bl\u00e1 \u00fapln\u011b ru\u010dn\u011b?<\/p>\n

Ale nem\u011blo by se to d\u00e1vat za vinu Enterprise! Samoz\u0159ejm\u011b, \u017ee je krvav\u00fd, ale cel\u00e1 ta byrokracie se \u017e\u00e1dostmi o zm\u011bnu je nutn\u00e1 a vych\u00e1z\u00ed od auditor\u016f. Enterprise mus\u00ed fungovat takto, a te\u010dka. Jinak to prost\u011b nejde. A audit je velmi konzervativn\u00ed z\u00e1le\u017eitost. Kolik bylo nap\u0159\u00edklad \u0159e\u010deno o tom, \u017ee dlouh\u00e1 pseudo-slo\u017eit\u00e1 a \u010dasto m\u011bn\u011bn\u00e1 hesla jsou \u0161patn\u00e1, ale podniky budou posledn\u00edm m\u00edstem, kde se to zm\u011bn\u00ed. To sam\u00e9 plat\u00ed pro nasazen\u00ed a v\u0161e ostatn\u00ed.<\/p>\n

Mimochodem, v minulosti jsem se pokusil vytvo\u0159it soubor pro terraform, ale nepoda\u0159ilo se mi to. Narazil jsem na hodnotu tagu 'Project Accounting Billing Code', kterou se mi nepoda\u0159ilo zjistit \u2014 chyb\u011bly mi soft skills.<\/p>\n

Ani se nezmi\u0148uji o t\u00e9matu pasivn\u00edho luddismu - ach, va\u0161e automatizace ohro\u017euje mou pracovn\u00ed bezpe\u010dnost, nechci se u\u010dit nic nov\u00e9ho, tak\u017ee budu ti\u0161e sabotovat.<\/p>\n

A jak\u00e9 m\u016f\u017ee b\u00fdt v z\u00e1sad\u011b \u0159e\u0161en\u00ed? Syst\u00e9m ITSM m\u00e1 extr\u00e9mn\u011b primitivn\u00ed API, aby mohl automaticky generovat dokumenty. A v\u016fbec, v\u011bt\u0161ina takov\u00fdch syst\u00e9m\u016f poch\u00e1z\u00ed z dob mainfram\u016f. Mo\u017en\u00e1 n\u011bkdo zn\u00e1 skute\u010dn\u011b modern\u00ed syst\u00e9my ITSM? Mo\u017en\u00e1 n\u011bkdo m\u00e1 \u00fasp\u011b\u0161nou zku\u0161enost s integrac\u00ed modern\u00edho DevOps a byrokracie? <\/b>Samoz\u0159ejm\u011b nemluv\u00edm o \u010dist\u011b prodejn\u00edch str\u00e1nk\u00e1ch, kde m\u016f\u017ee b\u00fdt skute\u010dn\u00e9 nasazen\u00ed ka\u017ed\u00fd den, ale nap\u0159\u00edklad o bankovn\u00edm sektoru, kter\u00fd podl\u00e9h\u00e1 auditor\u016fm a m\u00e1 velmi silnou izolaci vy\u0161\u0161\u00edch prost\u0159ed\u00ed.<\/p>\n

Jen nezapome\u0148te, \u017ee v\u0161echny va\u0161e fantazie jsou omezeny auditem. A to v\u0161echno m\u011bn\u00ed. T\u011b\u0161\u00edm se na va\u0161e koment\u00e1\u0159e!
\n
Zdroj: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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