{"id":91726,"date":"2020-08-17T19:42:14","date_gmt":"2020-08-17T17:42:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/inventarizacziya-raid-massivov-lsi-v-glpi"},"modified":"2020-08-17T19:42:14","modified_gmt":"2020-08-17T17:42:14","slug":"inventarizacziya-raid-massivov-lsi-v-glpi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/inventarizacziya-raid-massivov-lsi-v-glpi","title":{"rendered":"Inventariz\u00e1cia RAID pol\u00ed LSI v GLPI","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Inventariz\u00e1cia<\/a><\/noindex>
\nVo svojej pr\u00e1ci \u010dasto za\u017e\u00edvam obsesie t\u00fdkaj\u00face sa nedostatku inform\u00e1ci\u00ed o infra\u0161trukt\u00fare, a pri zvy\u0161ovan\u00ed mno\u017estva spravovan\u00fdch serverov sa to men\u00ed na skuto\u010dn\u00fa mu\u010div\u00fa sk\u00fasenos\u0165. E\u0161te aj ke\u010f som administr\u00e1toroval v mal\u00fdch organiz\u00e1ci\u00e1ch, v\u017edy som chcel vedie\u0165, \u010do kde je, kam je pripojen\u00e9, kto z \u013eud\u00ed zodpoved\u00e1 za ktor\u00e9 zariadenie alebo slu\u017ebu, a \u010do je najd\u00f4le\u017eitej\u0161ie \u2013 zaznamen\u00e1va\u0165 v tom v\u0161etkom zmeny. Ke\u010f pr\u00eddete na nov\u00e9 miesto a stretnete sa s nejak\u00fdm incidentom, ve\u013ea \u010dasu sa str\u00e1ca pr\u00e1ve na h\u013eadanie t\u00fdchto inform\u00e1ci\u00ed. \u010ealej sa podel\u00edm o to, s \u010d\u00edm som sa stretol v RuVDS a ako som vyrie\u0161il probl\u00e9m, ktor\u00fd som nazna\u010dil v n\u00e1zve.
\n<\/a><\/noindex><\/p>\n

Pozadie<\/h2>\n

\nAko enterprise administr\u00e1tor som mal m\u00e1lo sk\u00fasenost\u00ed s pr\u00e1cou v d\u00e1tovom centre, ale z okrajov\u00e9ho poh\u013eadu som videl RackTables. V \u0148om bola preh\u013eadne prezentovan\u00e1 skri\u0148a so v\u0161etk\u00fdmi servermi, UPS, prep\u00edna\u010dmi a v\u0161etk\u00fdmi spojeniami medzi nimi. V RuVDS tak\u00fdto syst\u00e9m neexistoval, iba Excel\/papierov\u00e9 s\u00fabory s inform\u00e1ciami o serveroch, ich niektor\u00fdch komponentoch, \u010d\u00edslach skriniek a podobne. Pri takomto pr\u00edstupe je ve\u013emi \u0165a\u017ek\u00e9 sledova\u0165 zmeny a drobn\u00e9 komponenty. A predsa najd\u00f4le\u017eitej\u0161\u00edm a \u010dasto menen\u00fdm spotrebn\u00fdm materi\u00e1lom serverov s\u00fa disky. Je ve\u013emi d\u00f4le\u017eit\u00e9 udr\u017eiava\u0165 aktu\u00e1lne inform\u00e1cie o stave diskov a ich strategickej z\u00e1sobe. Ak disk vypadne z RAID po\u013ea a nebude r\u00fdchla n\u00e1hrada, m\u00f4\u017ee to v kone\u010dnom d\u00f4sledku vies\u0165 k fat\u00e1lnym n\u00e1sledkom. Preto potrebujeme syst\u00e9m, ktor\u00fd sleduje umiestnenie diskov a ich stav, aby sme pochopili, \u010do n\u00e1m m\u00f4\u017ee ch\u00fdba\u0165 a ak\u00e9 modely je potrebn\u00e9 zak\u00fapi\u0165.<\/p>\n

Na pomoc pri\u0161iel GLPI, produkt s otvoren\u00fdm zdrojov\u00fdm k\u00f3dom, navrhnut\u00fd na zlep\u0161enie pr\u00e1ce IT oddelen\u00ed a ich privedenie k ide\u00e1lom ITIL. Obsahuje okrem inventariz\u00e1cie zariaden\u00ed a mana\u017ementu skriniek aj datab\u00e1zu znalost\u00ed, servisn\u00fd st\u00f4l, spr\u00e1vu dokumentov a mnoho \u010fal\u0161ieho. GLPI m\u00e1 mno\u017estvo pluginov, vr\u00e1tane FusionInventory a OCS Inventory, ktor\u00e9 umo\u017e\u0148uj\u00fa automaticky zbiera\u0165 inform\u00e1cie o po\u010d\u00edta\u010doch a in\u00fdch zariadeniach prostredn\u00edctvom in\u0161tal\u00e1cie agentov a cez SNMP. Podrobnej\u0161ie inform\u00e1cie o in\u0161tal\u00e1cii GLPI a pluginov n\u00e1jdete v in\u00fdch \u010dl\u00e1nkoch, najlep\u0161ie \u2013 ofici\u00e1lnej dokument\u00e1cii<\/a><\/noindex>. M\u00f4\u017eete ho nain\u0161talova\u0165 u n\u00e1s na hostingu na u\u017e pripraven\u00fa \u0161abl\u00f3nu LAMP<\/a><\/noindex>.<\/p>\n

Av\u0161ak po nasaden\u00ed agenta otvor\u00edme komponenty po\u010d\u00edta\u010da v GLPI a uvid\u00edme toto:<\/p>\n

\"Inventariz\u00e1cia
\nProbl\u00e9m je v tom, \u017ee \u017eiadny z pluginov nem\u00f4\u017ee z\u00edska\u0165 inform\u00e1cie o fyzick\u00fdch diskoch v RAID poliach LSI. Vidie\u0165, ako bol tento probl\u00e9m vyrie\u0161en\u00fd pre monitoring v Zabbix pomocou PowerShell skriptu lsi-raid.ps1<\/a><\/noindex> rozhodol som sa nap\u00edsa\u0165 podobn\u00fd pre prenos inform\u00e1ci\u00ed do GLPI.
\n\u00dadaje o diskoch v poli je mo\u017en\u00e9 z\u00edska\u0165 pomocou util\u00edt od v\u00fdrobcu ovl\u00e1da\u010da, v pr\u00edpade LSI je to StorCLI. Z nej m\u00f4\u017eeme z\u00edska\u0165 \u00fadaje vo form\u00e1te JSON, spracova\u0165 ich a prenies\u0165 do API GLPI. Disky budeme prepoji\u0165 s po\u010d\u00edta\u010dmi, ktor\u00e9 u\u017e vytvoril FusionInventory. Pri opakovanom spusten\u00ed skriptu sa \u00fadaje o diskoch aktualizuj\u00fa a pridaj\u00fa nov\u00e9. Samotn\u00fd skript Send-RAIDtoGLPI.ps1 sa nach\u00e1dza tu na GitHub<\/a><\/noindex>. \u010ealej v\u00e1m poviem, ako ho vyu\u017ei\u0165.<\/p>\n

\u010co bude potrebn\u00e9<\/h2>\n

<\/p>\n

    \n
  1. GLPI<\/a><\/noindex> verzia 9.5.1 (na tejto som testoval)<\/li>\n
  2. Plug-in FusionInventory<\/a><\/noindex> a agent pod Windows<\/li>\n
  3. Windows 2012 R2 (a vy\u0161\u0161ie) ako hostite\u013esk\u00fd syst\u00e9m alebo management-VM s pripojen\u00fdm ovl\u00e1da\u010dom, PowerShell verzie 4 alebo vy\u0161\u0161ej<\/li>\n
  4. Nain\u0161talovan\u00fd ovl\u00e1da\u010d MegaRAID<\/li>\n
  5. Modul pre PowerShell \u2014 PSGLPI <\/a><\/noindex><\/li>\n
  6. \u00da\u010det v GLPI s Admin profilom pre autoriz\u00e1ciu cez API, vygenerovan\u00e9 UserToken a AppToken<\/li>\n<\/ol>\n

    \nD\u00f4le\u017eit\u00fd bod. V GLPI s\u00fa z nejak\u00e9ho d\u00f4vodu 2 r\u00f4zne entity pre model disku, ale ch\u00fdba vlastnos\u0165 \u201etyp nosi\u010da\u201c. Preto som pre z\u00e1pis vlastnost\u00ed HDD a SSD rozhodol pou\u017ei\u0165 rozba\u013eovaciu ponuku \u201eModely pevn\u00fdch diskov\u201c (front\/devicemodel.php?itemtype=DeviceHardDriveModel). Pre skript je potrebn\u00e9, aby sa tieto hodnoty nach\u00e1dzali v datab\u00e1ze GLPI, inak nebude m\u00f4c\u0165 zapisova\u0165 \u00fadaje o modeli disku. Preto je potrebn\u00e9 najprv do tohto pr\u00e1zdneho zoznamu prida\u0165 HDD, potom SSD, aby ID t\u00fdchto prvkov v datab\u00e1ze vy\u0161li 1 a 2. Ak bud\u00fa in\u00e9, nahra\u010fte v tomto riadku skriptu Send-RAIDtoGLPI.ps1 po HDD a SSD namiesto 1 a 2 pr\u00edslu\u0161n\u00fdmi ID: <\/p>\n

    deviceharddrivemodels_id = switch ($MediaType) { \"HDD\" { \"1\" }; \"SSD\" { \"2\" }; default { \"\" } }<\/code><\/pre>\n
    \nAk sa s t\u00fdmto nechcete zaobera\u0165 alebo m\u00e1te tento rozba\u013eovac\u00ed zoznam pou\u017eit\u00fd inak, m\u00f4\u017eete jednoducho odstr\u00e1ni\u0165 t\u00fato \u010das\u0165 skriptu. <\/p>\n
    Tie\u017e je potrebn\u00e9 prida\u0165 stavy pre disky v \u201eStavoch prvkov\u201c (\/front\/state.php). Pridal som stavy \u201eMediaError\u201c (ak bola aspo\u0148 jedna chyba pri pr\u00edstupe k disku) a \u201eOK\u201c, riadok v skripte, kde s\u00fa pren\u00e1\u0161an\u00e9 ich ID, \u201e2\u201c pre \u201eOK\u201c a \u201e1\u201c pre \u201eMediaError\u201c:<\/p>\n
    states_id = switch ($MediaError) { 0 { \"2\" }; { $_ -gt 0 } { \"1\" } }<\/code><\/pre>\n
    \nTieto stavy s\u00fa potrebn\u00e9 pre pohodlnos\u0165, ak tieto vlastnosti nepotrebujete, m\u00f4\u017eete tie\u017e cel\u00fd tento riadok skriptu odstr\u00e1ni\u0165.<\/p>\n
    V samotnom skripte nezabudnite uvies\u0165 premenn\u00e9 na va\u0161e. $GlpiCreds mus\u00ed obsahova\u0165 URL na server API GLPI, UserToken a AppToken.<\/p>\n
    \u010co je v skripte<\/h2>\n
    \nKv\u00f4li objemn\u00e9mu JSON-parsovaniu a dlh\u00fdm if-om je skript \u0165a\u017e\u0161ie \u010ditate\u013en\u00fd, preto op\u00ed\u0161em jeho logiku tu.<\/p>\n
    Pri prvom spusten\u00ed na hoste skript prech\u00e1dza v\u0161etk\u00fdmi kontrol\u00e9rmi a h\u013ead\u00e1 disky v datab\u00e1ze GLPI pod\u013ea s\u00e9riov\u00fdch \u010d\u00edsel, ak ich nen\u00e1jde, h\u013ead\u00e1 model. Ak nen\u00e1jde ani model, prid\u00e1 model nov\u00e9ho disku do GLPI a zap\u00ed\u0161e tento disk do datab\u00e1zy.<\/p>\n
    Pri ka\u017edom novom spusten\u00ed sa skript pok\u00fa\u0161a objavi\u0165 nov\u00e9 disky, ale odstr\u00e1ni\u0165 ch\u00fdbaj\u00face disky nevie, tak\u017ee to budete musie\u0165 urobi\u0165 manu\u00e1lne.<\/p>\n
    Pr\u00edklad nasadenia<\/h2>\n
    \nV repozit\u00e1ri skriptu je skript Deploy-Send-RAIDtoGLPI.ps1, ktor\u00fd stiahne ZIP-arch\u00edv s potrebn\u00fdmi s\u00fabormi z n\u00e1\u0161ho servera GLPI a rozbal\u00ed ich na ka\u017edom hoste.<\/p>\n
    Po skop\u00edrovan\u00ed s\u00faborov skript nain\u0161taluje agenta FusionInventory s nastaven\u00edm na sp\u00fa\u0161\u0165anie ako denn\u00fa \u00falohu a vytvor\u00ed tak\u00fa ist\u00fa \u00falohu pre n\u00e1\u0161 skript. Po \u00faspe\u0161nom nasaden\u00ed kone\u010dne uvid\u00edme disky v sekcii \u201eKomponenty\u201c po\u010d\u00edta\u010da v GLPI.<\/p>\n
    V\u00fdsledok<\/h2>\n
    \nTeraz, ke\u010f sa prihl\u00e1sime do GLPI v menu \u201eNastavenia\u201c -> \u201eKomponenty\u201c -> \u201ePevn\u00e9 disky\u201c, m\u00f4\u017eeme klikn\u00fa\u0165 na modely diskov a sledova\u0165 ich po\u010det, aby sme pochopili, \u010do potrebujeme zak\u00fapi\u0165.<\/p>\n
    \"Inventariz\u00e1cia
    \n    \"Inventariz\u00e1cia<\/a><\/noindex>
    \n
    Zdroj:     habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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