{"id":91701,"date":"2020-08-17T07:42:05","date_gmt":"2020-08-17T05:42:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/kak-sluchajno-napisat-web-gui-dlya-haproxy"},"modified":"2020-08-17T07:42:05","modified_gmt":"2020-08-17T05:42:05","slug":"kak-sluchajno-napisat-web-gui-dlya-haproxy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/kak-sluchajno-napisat-web-gui-dlya-haproxy","title":{"rendered":"Kuidas juhuslikult kirjutada Web-GUI Haproxy jaoks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kaasaegne s\u00fcsteemihaldurite maailm on meid laisaks teinud kaunite veebiv\u00e4\u00e4rikustega, et isegi tarkvara paigaldamine, kus ei ole seda sama \"gui\" (ma tunnen, et praegu lendavad kalad \u00f5igete ridade kirjutajate poolt), ei tundu viitsimisena pidevalt k\u00e4surealt sisse minna, eks? K\u00f5ik oleks h\u00e4sti, kui tarkvara on paigaldatud, seadistatud ja unustatud, aga mida teha, kui sinna tuleb pidevalt sisse minna, muuta, ja loomulikult pole k\u00f5igi toimingute logi, ei hakka ju iga kord cp cfg cfg_back kirjutama, aja jooksul segadusse minna ja sellest loobuda.<\/p>\n

\"Kuidas<\/a><\/noindex>
\n<\/a><\/noindex>
\nPalju aastaid tagasi tutvusin ma sellise imekauni tasakaalustajaga nagu Haproxy. K\u00f5ik oli imeline ja ilus. Mul oli neid palju ja hakkasin m\u00f5tlema GUI otsimisele, aga selle jaoks ei olnud \u00fcllatuseks \u00fchtegi. V\u00e4ga populaarne tarkvara, lisaks piisavalt vana, aga m\u00f5tlesin, et edasi ja j\u00e4tkasin oma lemmik vi-s k\u00e4sitsi muutmist ja k\u00e4isin l\u00e4bi hulga avatud vahelehti, mis n\u00e4itasid k\u00f5igi aktiivsete statistikat. serverid<\/a>. Aga tuli aeg, kui pidin rahuldama inimeste \"soove\", kes kirjutasid tarkvara http kaudu t\u00f6\u00f6tamiseks, ja siin see k\u00f5ik huvitav algas\u2026 <\/p>\n

K\u00e4ed hakkasid s\u00fcgelema, silmad s\u00e4rama ja ma alustasin. T\u00e4psemalt m\u00f5tlesin, millega kirjutada, meenutades ammu unustatud PHP-d, mis ei tundunud v\u00e4ga sobivat ka. L\u00f5puks langes valik Pythonile, m\u00f5eldes, et see tuleb kindlasti tulevikus kasuks ja hakkasin teavet koguma.<\/p>\n

Alguses olid \u00fclesanded mitte nii keerulised: v\u00f5imalus redigeerida konfigureerimisi veebiliidese kaudu \u00fchest sisendpunktist, varasemate konfigureerimiste s\u00e4ilitamine. See mitte eriti suur funktsionaalsus \u00f5nnestus piisavalt kiiresti ellu viia, kuid siis tekitas minus adminni laiskus v\u00f5i legendaarne perfektsionism ja tundus, et seda on kindlasti v\u00e4he. Ja siis hakkasid ilmuma sellised funktsioonid nagu: kahe konfigureerimise v\u00f5rdlemine, k\u00f5igi konfigureerimisega seotud toimingute logimine, Runtime API ja sektsioonide lisamine veebip\u00f5hiselt.<\/p>\n

\"Kuidas<\/a><\/noindex><\/p>\n

Ja kui korralik UNIX administraator, kes elatub vabast tarkvarast, otsustasin jagada maailma, \u00e4kki on see kellelegi kasulik? Kuid selleks pidi k\u00f5ik olema tehtud nii, et ei pea koodis nokitsema, vaid maksimaalselt konfigureerimisse puutuma (praegu on enamus seadeid j\u00f5udnud andmebaasi. Minu arvates on neid mugavam redigeerida ja v\u00e4rskendamise k\u00e4igus ei teki vigu, kuna m\u00f5ni parameeter j\u00e4\u00e4b konfiguratsioonist v\u00e4lja). <\/p>\n

Kuu aja p\u00e4rast panin oma teose GitHubi v\u00e4lja, eriti mitte millelegi lootes. Ja asjata, tarkvara osutus veidi n\u00f5utuks ja siis algas k\u00f5ige huvitavam osa... Aktiivne \"t\u00e4iendamine\" on kestnud juba peaaegu aasta. M\u00f5nikord on tahtmine see k\u00f5ik l\u00f5petada, sest mu vajadused on pikka aega rahuldatud. Miks mulle on vajalik v\u00f5imalus seadistada \"klaster\" keepalived'i ja HAProxy kaudu veebiliidese kaudu, kui see kestab mul vaid paar minutit? Ja inimestele n\u00e4ib, et on vaja, ja mul on ka huvitav ning on millega tegeleda. Kuigi muidugi on ka vajalikke funktsioone, n\u00e4iteks serverite oleku j\u00e4lgimine, kas need on Haproxy jaoks saadaval. Meil on muidugi ettev\u00f5tte monitorimine, kuid seal on inimesed, kes v\u00f5ivad piisavalt kaua reageerida, + kuna minu osakond tegeleb arendusega, siis software'it tuleb ja kaob, seega on b\u00fcrokraatia kaudu piisavalt kaua l\u00e4bi n\u00e4rida.<\/p>\n

\"Kuidas<\/a><\/noindex><\/p>\n

Kokkuv\u00f5ttes otsustasin jagada, sest tundub, et see on ainus tasuta GUI. \u00c4kki on kellelegi kasu? Link GitHubi<\/a><\/noindex>.
\n
Allikas: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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