{"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\/cs\/blog\/administrirovanie\/inventarizacziya-raid-massivov-lsi-v-glpi","title":{"rendered":"Inventarizace RAID pol\u00ed LSI v GLPI","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Inventarizace<\/a><\/noindex>
\nVe sv\u00e9 pr\u00e1ci \u010dasto za\u017e\u00edv\u00e1m obsesivn\u00ed my\u0161lenky ohledn\u011b nedostatku informac\u00ed o infrastruktu\u0159e, a s rostouc\u00edm po\u010dtem spravovan\u00fdch server\u016f se to st\u00e1v\u00e1 skute\u010dn\u00fdm mu\u010den\u00edm. I kdy\u017e jsem pracoval v mal\u00fdch organizac\u00edch, v\u017edy jsem cht\u011bl v\u011bd\u011bt, co a kde se nach\u00e1z\u00ed, kdo z lid\u00ed za kter\u00e9 za\u0159\u00edzen\u00ed nebo slu\u017ebu odpov\u00edd\u00e1, a co je nejd\u016fle\u017eit\u011bj\u0161\u00ed \u2014 zaznamen\u00e1vat zm\u011bny ve v\u0161em. Kdy\u017e p\u0159ijdete na nov\u00e9 m\u00edsto a naraz\u00edte na n\u011bjak\u00fd incident, hodn\u011b \u010dasu se str\u00e1v\u00ed pr\u00e1v\u011b hled\u00e1n\u00edm t\u011bchto informac\u00ed. D\u00e1le se pod\u011bl\u00edm o to, s \u010d\u00edm jsem se musel vypo\u0159\u00e1dat v RuVDS, a jak jsem vy\u0159e\u0161il probl\u00e9m uveden\u00fd v nadpisu.
\n<\/a><\/noindex><\/p>\n

Pozad\u00ed<\/h2>\n

\nJako podnikov\u00fd administr\u00e1tor jsem m\u011bl m\u00e1lo zku\u0161enost\u00ed s prac\u00ed v datov\u00e9m centru, ale koutkem oka jsem zahl\u00e9dl RackTables. V n\u011bm byla p\u0159ehledn\u011b zobrazena sk\u0159\u00ed\u0148 se v\u0161emi servery, z\u00e1lo\u017en\u00edmi zdroji, p\u0159ep\u00edna\u010di a v\u0161emi spojen\u00edmi mezi nimi. V RuVDS v\u0161ak nebyl takov\u00fd syst\u00e9m, byly pouze soubory Excel\/pap\u00edrov\u00e9 soubory s informacemi o serverech, n\u011bkter\u00fdch jejich komponentech, \u010d\u00edslech sk\u0159\u00edn\u00ed atd. S takov\u00fdm p\u0159\u00edstupem je velmi obt\u00ed\u017en\u00e9 sledovat zm\u011bny a detaily u mal\u00fdch komponent. A p\u0159itom nejd\u016fle\u017eit\u011bj\u0161\u00edm a \u010dasto m\u011bn\u011bn\u00fdm spot\u0159ebn\u00edm materi\u00e1lem server\u016f jsou disky. Je velmi d\u016fle\u017eit\u00e9 udr\u017eovat aktu\u00e1ln\u00ed informace o stavu disk\u016f a jejich strategick\u00e9 z\u00e1soby. Pokud disk sel\u017ee v RAID poli a nebude mu rychl\u00e1 v\u00fdm\u011bna, m\u016f\u017ee to nakonec v\u00e9st k fat\u00e1ln\u00edm n\u00e1sledk\u016fm. Proto pot\u0159ebujeme syst\u00e9m, kter\u00fd sleduje um\u00edst\u011bn\u00ed disk\u016f a jejich stav, abychom v\u011bd\u011bli, \u010deho n\u00e1m m\u016f\u017ee chyb\u011bt a jak\u00e9 modely je t\u0159eba zakoupit.<\/p>\n

Na pomoc p\u0159i\u0161el GLPI, produkt s otev\u0159en\u00fdm zdrojov\u00fdm k\u00f3dem, vytvo\u0159en\u00fd pro zlep\u0161en\u00ed pr\u00e1ce IT odd\u011blen\u00ed a jejich p\u0159iveden\u00ed na \u00farove\u0148 ide\u00e1l\u016f ITIL. Krom\u011b inventarizace vybaven\u00ed a \u0159\u00edzen\u00ed sk\u0159\u00edn\u00ed nab\u00edz\u00ed tak\u00e9 znalostn\u00ed z\u00e1kladnu, servisn\u00ed desku, spr\u00e1vu dokument\u016f a mnoho dal\u0161\u00edho. GLPI m\u00e1 \u0159adu plugin\u016f, v\u010detn\u011b FusionInventory a OCS Inventory, kter\u00e9 umo\u017e\u0148uj\u00ed automaticky shroma\u017e\u010fovat informace o po\u010d\u00edta\u010d\u00edch a dal\u0161\u00edch za\u0159\u00edzen\u00edch instalac\u00ed agent\u016f a pomoc\u00ed SNMP. Podrobnosti o instalaci GLPI a plugin\u016f m\u016f\u017eete nal\u00e9zt v jin\u00fdch \u010dl\u00e1nc\u00edch, nejlep\u0161\u00ed je \u2014 ofici\u00e1ln\u00ed dokumentaci<\/a><\/noindex>. Lze ho nainstalovat u n\u00e1s na hostingu na ji\u017e p\u0159ipraven\u00fd \u0161ablonu LAMP<\/a><\/noindex>.<\/p>\n

Po nasazen\u00ed agenta otev\u0159eme komponenty po\u010d\u00edta\u010de v GLPI a uvid\u00edme tohle:<\/p>\n

\"Inventarizace
\nProbl\u00e9m je v tom, \u017ee \u017e\u00e1dn\u00fd z plugin\u016f nem\u016f\u017ee vid\u011bt informace o fyzick\u00fdch disc\u00edch v RAID pol\u00edch LSI. Vid\u011bl jsem, jak tento probl\u00e9m byl vy\u0159e\u0161en pro monitorov\u00e1n\u00ed v Zabbix pomoc\u00ed PowerShell skriptu. lsi-raid.ps1<\/a><\/noindex> Rozhodl jsem se napsat obdobn\u00fd, kter\u00fd p\u0159ed\u00e1 informace do GLPI.
\nData o disc\u00edch v poli lze z\u00edskat pomoc\u00ed n\u00e1stroj\u016f od v\u00fdrobce kontrol\u00e9ru, v p\u0159\u00edpad\u011b LSI je to StorCLI. Z n\u011bj lze z\u00edskat data ve form\u00e1tu JSON, analyzovat je a poslat je do API GLPI. Disky spoj\u00edme s po\u010d\u00edta\u010di, kter\u00e9 ji\u017e vytvo\u0159il FusionInventory. P\u0159i op\u011btovn\u00e9m spu\u0161t\u011bn\u00ed skriptu se data o disc\u00edch aktualizuj\u00ed a p\u0159idaj\u00ed se nov\u00e9. Samotn\u00fd skript Send-RAIDtoGLPI.ps1 se nach\u00e1z\u00ed tady na GitHubu.<\/a><\/noindex>D\u00e1le v\u00e1m \u0159eknu, jak ho pou\u017e\u00edt.<\/p>\n

Co bude pot\u0159eba<\/h2>\n

<\/p>\n

    \n
  1. GLPI<\/a><\/noindex> verze 9.5.1 (na t\u00e9to verzi byla testov\u00e1na)<\/li>\n
  2. Plugin FusionInventory<\/a><\/noindex> a agent pro Windows<\/li>\n
  3. Windows 2012 R2 (a nov\u011bj\u0161\u00ed) jako hostitelsk\u00fd syst\u00e9m, nebo management-VM s p\u0159i\u0159azen\u00fdm kontrol\u00e9rem, PowerShell verze 4 nebo vy\u0161\u0161\u00ed.<\/li>\n
  4. Nainstalovan\u00fd ovlada\u010d MegaRAID.<\/li>\n
  5. Modul pro PowerShell \u2014 PSGLPI. <\/a><\/noindex><\/li>\n
  6. \u00da\u010det v GLPI s profilem Admin pro autorizaci p\u0159es API, s vygenerovan\u00fdmi UserToken a AppToken.<\/li>\n<\/ol>\n

    \nD\u016fle\u017eit\u00fd bod. V GLPI je z n\u011bjak\u00e9ho d\u016fvodu 2 r\u016fzn\u00e9 entity pro model disku, ale neexistuje vlastnost \u201etyp m\u00e9dia\u201c. Proto jsem se rozhodl pou\u017e\u00edt rozbalovac\u00ed seznam \u201eModely pevn\u00fdch disk\u016f\u201c (front\/devicemodel.php?itemtype=DeviceHardDriveModel) pro ukl\u00e1d\u00e1n\u00ed vlastnosti HDD a SSD. Pro skript je nutn\u00e9 m\u00edt tyto hodnoty v datab\u00e1zi GLPI, jinak nebude schopen zapsat data o modelu disku. Proto je t\u0159eba nejprve p\u0159idat do tohoto pr\u00e1zdn\u00e9ho seznamu HDD a pot\u00e9 SSD, aby ID t\u011bchto polo\u017eek v datab\u00e1zi byla 1 a 2. Pokud budou jin\u00e9, nahra\u010fte v tomto \u0159\u00e1dku skriptu Send-RAIDtoGLPI.ps1 po HDD a SSD m\u00edsto 1 a 2 odpov\u00eddaj\u00edc\u00edmi ID: <\/p>\n

    deviceharddrivemodels_id = switch ($MediaType) { \"HDD\" { \"1\" }; \"SSD\" { \"2\" }; default { \"\" } }<\/code><\/pre>\n
    \nPokud se v\u00e1m s t\u00edm nechce zab\u00fdvat, nebo pokud pou\u017e\u00edv\u00e1te tento rozbalovac\u00ed seznam jinak, m\u016f\u017eete tuto \u0159\u00e1dku jednodu\u0161e odstranit ze skriptu. <\/p>\n
    Tak\u00e9 je t\u0159eba p\u0159idat stavy pro disky do \u201eStavy prvk\u016f\u201c (front\/state.php). P\u0159idal jsem stavy \u201eMediaError\u201c (pokud do\u0161lo k n\u011bjak\u00e9 chyb\u011b p\u0159i p\u0159\u00edstupu k disku) a \u201eOK\u201c, \u0159\u00e1dek ve skriptu, kde se p\u0159ed\u00e1vaj\u00ed jejich ID, \u201e2\u201c pro \u201eOK\u201c a \u201e1\u201c pro \u201eMediaError\u201c:<\/p>\n
    states_id = switch ($MediaError) { 0 { \"2\" }; { $_ -gt 0 } { \"1\" } }<\/code><\/pre>\n
    \nTyto stavy jsou pot\u0159eba pro pohodl\u00ed, pokud tyto vlastnosti nepot\u0159ebujete, m\u016f\u017eete tak\u00e9 celou tuto \u0159\u00e1dku odstranit.<\/p>\n
    V samotn\u00e9m skriptu nezapome\u0148te nastavit prom\u011bnn\u00e9 na sv\u00e9. $GlpiCreds by m\u011bl obsahovat URL na server API GLPI, UserToken a AppToken.<\/p>\n
    Co ve skriptu<\/h2>\n
    \nKv\u016fli neohraban\u00e9mu JSON-parsing a mno\u017estv\u00ed if-\u016f je skript \u0161patn\u011b \u010diteln\u00fd, proto jeho logiku pop\u00ed\u0161u zde.<\/p>\n
    P\u0159i prvn\u00edm spu\u0161t\u011bn\u00ed na hostu skript proch\u00e1z\u00ed v\u0161echny kontrolery a hled\u00e1 disky v datab\u00e1zi GLPI podle s\u00e9riov\u00fdch \u010d\u00edsel, pokud nenajde, hled\u00e1 model. Pokud ani model nenajde, p\u0159id\u00e1 model nov\u00e9ho disku do GLPI a zap\u00ed\u0161e tento disk do datab\u00e1ze.<\/p>\n
    P\u0159i ka\u017ed\u00e9m nov\u00e9m spu\u0161t\u011bn\u00ed se skript pokus\u00ed odhalit nov\u00e9 disky, ale chyb\u011bj\u00edc\u00ed nem\u016f\u017ee odstranit, tak\u017ee to budete muset ud\u011blat ru\u010dn\u011b.<\/p>\n
    P\u0159\u00edklad nasazen\u00ed<\/h2>\n
    \nV repozit\u00e1\u0159i skriptu je skript Deploy-Send-RAIDtoGLPI.ps1, kter\u00fd st\u00e1hne ZIP-archiv s pot\u0159ebn\u00fdmi soubory z na\u0161eho serveru GLPI a nasad\u00ed je na ka\u017ed\u00e9m hostu.<\/p>\n
    Po zkop\u00edrov\u00e1n\u00ed soubor\u016f skript nainstaluje agenta FusionInventory, kter\u00fd se spust\u00ed jako denn\u00ed \u00faloha, a vytvo\u0159\u00ed stejnou \u00falohu pro n\u00e1\u0161 skript. Po \u00fasp\u011b\u0161n\u00e9m nasazen\u00ed kone\u010dn\u011b uvid\u00edme disky v sekci \u201eKomponenty\u201c po\u010d\u00edta\u010de v GLPI.<\/p>\n
    V\u00fdsledek<\/h2>\n
    \nNyn\u00ed, kdy\u017e se p\u0159ihl\u00e1s\u00edme do GLPI v menu \u201eNastaven\u00ed\u201c -> \u201eKomponenty\u201c -> \u201ePevn\u00e9 disky\u201c, m\u016f\u017eeme kliknout na modely disk\u016f a sledovat jejich mno\u017estv\u00ed, abychom zjistili, co pot\u0159ebujeme zakoupit.<\/p>\n
    \"Inventarizace
    \n    \"Inventarizace<\/a><\/noindex>
    \n
    Zdroj:     habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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