{"id":35594,"date":"2019-10-31T22:05:15","date_gmt":"2019-10-31T19:05:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/gitops-sravnenie-metodov-pull-i-push\/"},"modified":"2019-10-31T22:05:15","modified_gmt":"2019-10-31T19:05:15","slug":"gitops-sravnenie-metodov-pull-i-push","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/gitops-sravnenie-metodov-pull-i-push","title":{"rendered":"GitOps: krahasimi i metodave Pull dhe Push","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><i><b>Sh\u00ebn. p\u00ebrkth.<\/b>: N\u00eb komunitetin e Kubernetes po fiton popullaritet nj\u00eb trend i quajtur GitOps, n\u00eb t\u00eb cilin ne vet\u00eb kemi besuar, <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/454184\/\">duke vizituar<\/a><\/noindex> KubeCon Europe 2019. Ky termin u krijua relativisht koh\u00ebt e fundit <noindex><a rel=\"nofollow\" href=\"https:\/\/www.weave.works\/blog\/gitops-operations-by-pull-request\">nga kreu i kompanis\u00eb Weaveworks \u2014 Alexis Richardson \u2014 dhe do t\u00eb thot\u00eb p\u00ebrdorimi i mjeteve t\u00eb njohura p\u00ebr zhvilluesit (paraprakisht \u2014 Git, nga ku vjen edhe emri) p\u00ebr t\u00eb zgjidhur detyrat e operacionit. N\u00eb ve\u00e7anti, b\u00ebhet fjal\u00eb p\u00ebr operimin e Kubernetes p\u00ebrmes ruajtjes s\u00eb konfigurimeve t\u00eb tij n\u00eb Git dhe automatizimin e zhvillimeve t\u00eb ndryshimeve n\u00eb klaster. Dy qasje p\u00ebr k\u00ebt\u00eb zhvillim diskuton Matthias Jg n\u00eb k\u00ebt\u00eb artikull.<\/a><\/noindex> (n\u00eb t\u00eb v\u00ebrtet\u00eb, formalisht kjo ndodhi n\u00eb gusht 2017 \u2014 sh\u00ebnim i p\u00ebrkthyesit)<\/i><\/p>\n<p><img decoding=\"async\" alt=\"GitOps: krahasimi i metodave Pull dhe Push\" src=\"\/wp-content\/uploads\/2862627cedb4347679d0c14876a24869.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u00eb vitin e kaluar <i>p\u00ebr t\u00eb p\u00ebrmir\u00ebsuar m\u00ebnyr\u00ebn e shp\u00ebrndarjes s\u00eb aplikacioneve n\u00eb Kubernetes. Ai quhet GitOps, dhe n\u00eb thelb mb\u00ebshtetet n\u00eb konceptin themelor q\u00eb ndjekja e versioneve t\u00eb deploymenteve b\u00ebhet n\u00eb nj\u00eb mjedis t\u00eb sigurt Git-repository.<\/i> ka lindur nj\u00eb qasje e re p\u00ebr vendosjen e aplikacioneve n\u00eb Kubernetes. Ajo quhet GitOps, dhe n\u00eb themel ka konceptin baz\u00eb se ndjekja e versioneve t\u00eb deploymenteve b\u00ebhet n\u00eb nj\u00eb ambient t\u00eb sigurt t\u00eb nj\u00eb depo Git.<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p><b>Versionimi i deploymenteve dhe historia e ndryshimeve<\/b>:<\/p>\n<ol>\n<li> <b>Versionimi i deploymenteve dhe historia e ndryshimeve<\/b>. Shteti i gjith\u00eb klasterit ruhet n\u00eb depo Git, dhe deploymet p\u00ebrdit\u00ebsohen vet\u00ebm p\u00ebrmes komit\u00ebve. P\u00ebr m\u00eb tep\u00ebr, t\u00eb gjitha ndryshimet mund t\u00eb ndjekin p\u00ebrmes historis\u00eb s\u00eb komit\u00ebve.<\/li>\n<li> <b>. E thjesht\u00eb<\/b>lejon rikthimin e ndryshimeve n\u00eb deploymente; gjithmon\u00eb jan\u00eb t\u00eb disponueshme gjendjet e kaluara. <code>git rikthe<\/code> lejon t\u00eb rikthehen ndryshimet n\u00eb deploymente; gjithmon\u00eb jan\u00eb t\u00eb aksesueshme gjendjet e kaluara.<\/li>\n<li> <b>. Zakonisht, sistemi Git p\u00ebrmban shum\u00eb t\u00eb dh\u00ebna t\u00eb ndjeshme, prandaj shumica e kompanive i kushtojn\u00eb v\u00ebmendje t\u00eb ve\u00e7ant\u00eb mbrojtjes s\u00eb tij. P\u00ebr rrjedhoj\u00eb, kjo mbrojtje zgjerohet gjithashtu n\u00eb operacionet me deploymente.<\/b>. Zakonisht, sistemi Git p\u00ebrmban nj\u00eb sasi t\u00eb madhe t\u00eb dh\u00ebnash t\u00eb ndjeshme, prandaj shumica e kompanive i kushtojn\u00eb v\u00ebmendje t\u00eb ve\u00e7ant\u00eb mbrojtjes s\u00eb tij. Si pasoj\u00eb, kjo mbrojtje zgjerohet edhe n\u00eb operacionet me deploymente.<\/li>\n<li> <b>. Shumica e sistemeve Git fillimisht mb\u00ebshtesin politika p\u00ebr deg\u00eb t\u00eb ndryshme \u2014 p\u00ebr shembull, vet\u00ebm k\u00ebrkesat p\u00ebr t\u00ebrheqje mund t\u00eb p\u00ebrdit\u00ebsojn\u00eb master, dhe ndryshimet duhet t\u00eb kontrollohen dhe t\u00eb pranohen nga nj\u00eb an\u00ebtar tjet\u00ebr i ekipit. Ashtu si me kontrollin e aksesit, t\u00eb nj\u00ebjtat politika zbatohen p\u00ebr p\u00ebrdit\u00ebsimet e deploymenteve.<\/b>. Shumica e sistemeve Git fillimisht mb\u00ebshtesin politika p\u00ebr deg\u00eb t\u00eb ndryshme \u2014 p\u00ebr shembull, vet\u00ebm k\u00ebrkesat p\u00ebr t\u00ebrheqje (pull requests) mund t\u00eb p\u00ebrdit\u00ebsojn\u00eb master-in, dhe ndryshimet duhet t\u00eb verifikohen dhe pranohet nga nj\u00eb an\u00ebtar tjet\u00ebr i ekipit. Si me kontrollin e aksesit, t\u00eb nj\u00ebjtat politika zbatohen p\u00ebr p\u00ebrdit\u00ebsimet e deploymenteve.<\/li>\n<\/ol>\n<p>\nSi\u00e7 mund ta shihni, metoda GitOps ka shum\u00eb p\u00ebrpar\u00ebsi. Gjat\u00eb vitit t\u00eb kaluar, dy qasje kan\u00eb fituar popullaritet t\u00eb ve\u00e7ant\u00eb. Nj\u00ebra bazohet n\u00eb push, tjetra n\u00eb pull. Para se t'i shqyrtojm\u00eb ato, le t\u00eb shohim fillimisht si duken tipiket e deploymenteve n\u00eb Kubernetes.<\/p>\n<h2>Gjat\u00eb viteve t\u00eb fundit, n\u00eb Kubernetes jan\u00eb stabilizuar m\u00ebnyra dhe mjete t\u00eb ndryshme p\u00ebr shp\u00ebrndarje:<\/h2>\n<p>\nT\u00eb bazuara n\u00eb shabllone native Kubernetes\/Kustomize<\/p>\n<ol>\n<li> <b>Baza e modeleve native t\u00eb Kubernetes\/Kustomize<\/b>. Kjo \u00ebsht\u00eb m\u00ebnyra m\u00eb e thjesht\u00eb p\u00ebr t\u00eb implementuar aplikacione n\u00eb Kubernetes. Zhvilluesi krijon skedar\u00eb baz\u00eb YAML dhe i aplikon ata. P\u00ebr t\u00eb eliminuar nevoj\u00ebn p\u00ebr t\u00eb riparuar vazhdimisht t\u00eb nj\u00ebjt\u00ebt shabllone, u zhvillua Kustomize (ai kthen shabllonet e Kubernetes n\u00eb module). <i><b>Sh\u00ebn. p\u00ebrkth.<\/b>: Kustomize \u00ebsht\u00eb integruar n\u00eb kubectl me <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/445196\/\">\u00e7lirimin e Kubernetes 1.14<\/a><\/noindex>.<\/i><\/li>\n<li> <b>Grafikat Helm<\/b>. Chartet Helm lejojn\u00eb krijimin e grupeve t\u00eb shablloneve, kontejner\u00ebve init, sidecar-\u00ebve etj., t\u00eb cilat aplikohen p\u00ebr t\u00eb vendosur aplikacione me mund\u00ebsi m\u00eb t\u00eb fleksibilizuara t\u00eb konfigurimit se n\u00eb qasjen bazuar n\u00eb shabllone. N\u00eb themel t\u00eb k\u00ebsaj metode jan\u00eb skedar\u00ebt YAML t\u00eb shabllonizuar. Helm i mbush ato me parametra t\u00eb ndrysh\u00ebm dhe pastaj i d\u00ebrgon Tiller-it \u2014 komponentit t\u00eb klasterit q\u00eb i vendos ato n\u00eb klaster dhe lejon kryerjen e p\u00ebrdit\u00ebsimeve dhe rikthimeve. E r\u00ebnd\u00ebsishme \u00ebsht\u00eb se, n\u00eb thelb, Helm thjesht fut vlerat e nevojshme n\u00eb shabllone dhe pastaj i aplikon ashtu si\u00e7 b\u00ebhet n\u00eb qasjen tradicionale <i>(m\u00eb shum\u00eb rreth m\u00ebnyr\u00ebs se si funksionon kjo dhe si mund t\u00eb p\u00ebrdoret, lexoni n\u00eb artikelin ton\u00eb <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/423239\/\">rreth Helm<\/a><\/noindex> \u2014 sh\u00ebn. p\u00ebrkth.)<\/i>. Ekziston nj\u00eb larmi t\u00eb madhe grafike Helm, q\u00eb mbulon nj\u00eb gam\u00eb t\u00eb gjer\u00eb detyrash.<\/li>\n<li> <b>Mjetet alternative<\/b>. Ekzistojn\u00eb shum\u00eb mjete alternative. T\u00eb gjitha ato e kan\u00eb t\u00eb p\u00ebrbashk\u00ebt se ato kthejn\u00eb disa skedar\u00eb-shabllon n\u00eb skedar\u00eb t\u00eb kuptuesh\u00ebm YAML t\u00eb Kubernetes dhe pastaj i aplikojn\u00eb ato.<\/li>\n<\/ol>\n<p>\nN\u00eb pun\u00ebn ton\u00eb p\u00ebrdorim vazhdimisht grafikat Helm p\u00ebr mjete t\u00eb r\u00ebnd\u00ebsishme (sepse shum\u00eb nga ato jan\u00eb t\u00eb p\u00ebrgatitura, \u00e7ka e thjeshton ndjesh\u00ebm jet\u00ebn) dhe skedar\u00eb 't\u00eb past\u00ebr' YAML t\u00eb Kubernetes p\u00ebr t\u00eb implementuar aplikacionet tona t\u00eb veta.<\/p>\n<h2>Pull &amp; Push<\/h2>\n<p>\nN\u00eb nj\u00eb nga publikimet e mia t\u00eb fundit n\u00eb blog, prezantova nj\u00eb mjet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/weaveworks\/flux\">Weave Flux<\/a><\/noindex>, duke lejuar komitimin e shablloneve n\u00eb depo Git dhe p\u00ebrdit\u00ebsimin e deploymenteve pas \u00e7do komiti ose push-i t\u00eb kontejnerit. Eksperienca ime tregon se ky mjet \u00ebsht\u00eb nj\u00eb nga kryesoret n\u00eb promovimin e qasjes pull, prandaj do t\u00eb referohem shpesh p\u00ebr t\u00eb. N\u00ebse d\u00ebshironi t\u00eb m\u00ebsoni m\u00eb shum\u00eb mbi m\u00ebnyr\u00ebn se si ta p\u00ebrdorni, ja <noindex><a rel=\"nofollow\" href=\"https:\/\/medium.com\/@m.k.joerg\/gitops-weave-flux-in-detail-77ce36945646\">linku n\u00eb artikull<\/a><\/noindex>.<\/p>\n<p><i><b>NB!<\/b> T\u00eb gjitha p\u00ebrfitimet e p\u00ebrdorimit t\u00eb GitOps mbeten p\u00ebr t\u00eb dy qasjet.<\/i><\/p>\n<h2>Qasja e bazuar n\u00eb Pull<\/h2>\n<p>\n<img decoding=\"async\" alt=\"GitOps: krahasimi i metodave Pull dhe Push\" src=\"\/wp-content\/uploads\/4ed8e6de36bc37d0e747ff99027f8399.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nQashtja e qasjes pull bazohet n\u00eb faktin se t\u00eb gjitha ndryshimet aplikohen nga brenda klasterit. Brenda klasterit ka nj\u00eb operator q\u00eb rregullisht kontrollon depozitat e lidhura Git dhe Docker Registry. N\u00ebse ndodhin ndonj\u00eb ndryshim n\u00eb to, gjendja e klasterit p\u00ebrdit\u00ebsohet nga brenda. Zakonisht mendohet se nj\u00eb proces i till\u00eb \u00ebsht\u00eb mjaft i sigurt, pasi asnj\u00eb klient i jasht\u00ebm nuk ka qasje n\u00eb t\u00eb drejtat e administratorit t\u00eb klasterit.<\/p>\n<p><b>Avantazhet:<\/b><\/p>\n<ol>\n<li> Asnj\u00eb klient i jasht\u00ebm nuk ka t\u00eb drejta p\u00ebr t\u00eb b\u00ebr\u00eb ndryshime n\u00eb klaster, t\u00eb gjitha p\u00ebrdit\u00ebsimet ushtrohen nga brenda.<\/li>\n<li> Disa mjete gjithashtu lejojn\u00eb sinqronizimin e p\u00ebrdit\u00ebsimeve t\u00eb Helm-chart dhe lidhjen e tyre me klasterin.<\/li>\n<li> Docker Registry mund t\u00eb skanohet p\u00ebr versione t\u00eb reja. N\u00ebse del nj\u00eb imazh i ri, depozita Git dhe deployment p\u00ebrdit\u00ebsohen n\u00eb versionin e ri.<\/li>\n<li> Mjetet pull mund t\u00eb shp\u00ebrndahen n\u00eb hap\u00ebsira t\u00eb ndryshme emri me depozita t\u00eb ndryshme Git dhe t\u00eb drejta qasjeje. K\u00ebshtu, mund t\u00eb aplikohet nj\u00eb model multitenant. P\u00ebr shembull, ekipi A mund t\u00eb p\u00ebrdor\u00eb hap\u00ebsir\u00ebn e emrit A, ekipi B hap\u00ebsir\u00ebn e emrit B, nd\u00ebrsa ekipi q\u00eb merret me infrastruktur\u00ebn mund t\u00eb p\u00ebrdor\u00eb hap\u00ebsir\u00ebn globale.<\/li>\n<li> N\u00eb p\u00ebrgjith\u00ebsi, mjetet jan\u00eb mjaft t\u00eb lehta.<\/li>\n<li> N\u00eb kombinim me mjete si operatori <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnami-labs\/sealed-secrets\">Bitnami Sealed Secrets<\/a><\/noindex>, sekrecionet mund t\u00eb ruhen n\u00eb form\u00eb t\u00eb enkriptuar n\u00eb depozitat Git dhe t\u00eb nxirren brenda klasterit.<\/li>\n<li> Nuk ka lidhje me CD-pajisjet, pasi shp\u00ebrndarjet ndodhin brenda klasterit.<\/li>\n<\/ol>\n<p>\n<b>Disavantazhet<\/b>:<\/p>\n<ol>\n<li> Menaxhimi i sekreteve t\u00eb deployment&#8217;eve nga Helm charts \u00ebsht\u00eb m\u00eb i komplikuar se sa p\u00ebr t\u00eb zakonshmet, pasi fillimisht ato duhet t\u00eb generohet si nga shembuj, si\u00e7 jan\u00eb sekretet e vulosur, m\u00eb pas t\u00eb dekriptohen nga operator\u00ebt e brendsh\u00ebm dhe vet\u00ebm pas k\u00ebsaj b\u00ebhen t\u00eb disponueshme p\u00ebr mjetin pull. M\u00eb pas, mund t\u00eb nisni nj\u00eb publikim n\u00eb Helm me vlerat e sekreteve tashm\u00eb t\u00eb implementuara. M\u00ebnyra m\u00eb e leht\u00eb \u00ebsht\u00eb t\u00eb krijoni nj\u00eb sekret me t\u00eb gjitha vlerat Helm q\u00eb p\u00ebrdoren p\u00ebr deployment&#8217;in, ta dekriptoj\u00eb at\u00eb dhe ta angazhoj\u00eb n\u00eb Git.<\/li>\n<li> Duke aplikuar qasjen pull, ju b\u00ebheni t\u00eb lidhur me mjetet q\u00eb operojn\u00eb me pulls. Kjo kufizon mund\u00ebsin\u00eb e personalizimit t\u00eb procesit t\u00eb implementimit t\u00eb deployment&#8217;eve n\u00eb klaster. P\u00ebr shembull, puna me Kustomize komplikohet nga fakti se ai duhet t\u00eb ekzekutohet para se modeli p\u00ebrfundimtar t\u00eb arrij\u00eb n\u00eb Git. Nuk po them se nuk mund t\u00eb p\u00ebrdoren mjete t\u00eb ve\u00e7anta, por \u00ebsht\u00eb m\u00eb e v\u00ebshtir\u00eb t'i integrosh ato n\u00eb procesin e implementimit.<\/li>\n<\/ol>\n<p><\/p>\n<h2>Qasja e bazuar n\u00eb Push<\/h2>\n<p>\n<img decoding=\"async\" alt=\"GitOps: krahasimi i metodave Pull dhe Push\" src=\"\/wp-content\/uploads\/533fc0bd107c3338d323e908ae9e75ab.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u00eb qasjen push, sistemi i jasht\u00ebm (kryesisht pipeline-t e CD) niste implementimet n\u00eb klaster pas nj\u00eb komitimi n\u00eb depo Git ose n\u00eb rastin e nj\u00eb p\u00ebrfundimi t\u00eb suksessh\u00ebm t\u00eb pipeline-it t\u00eb m\u00ebparsh\u00ebm CI. N\u00eb k\u00ebt\u00eb qasje, sistemi ka akses n\u00eb klaster.<\/p>\n<p><b>Pikat pozitive<\/b>:<\/p>\n<ol>\n<li> Siguria p\u00ebrcaktohet nga depo Git dhe pipeline-i i nd\u00ebrtimit.<\/li>\n<li> Implementimi i grafikeve Helm \u00ebsht\u00eb m\u00eb i leht\u00eb, ka mb\u00ebshtetje p\u00ebr plugin-\u00ebt Helm.<\/li>\n<li> Menaxhimi i sekreteve \u00ebsht\u00eb m\u00eb i leht\u00eb, pasi sekretet mund t\u00eb aplikohen n\u00eb pipeline, si dhe t\u00eb ruhen n\u00eb Git n\u00eb form\u00eb t\u00eb enkriptuar (n\u00eb var\u00ebsi t\u00eb preferencave t\u00eb p\u00ebrdoruesit).<\/li>\n<li> Mungesa e lidhjes me nj\u00eb mjet t\u00eb ve\u00e7ant\u00eb, pasi \u00ebsht\u00eb e mundur t\u00eb p\u00ebrdoren \u00e7do lloj mjeti.<\/li>\n<li> P\u00ebrdit\u00ebsimet e versioneve t\u00eb konteiner\u00ebve mund t\u00eb nisin nga pipeline-i i nd\u00ebrtimit.<\/li>\n<\/ol>\n<p>\n<b>Disavantazhet<\/b>:<\/p>\n<ol>\n<li> T\u00eb dh\u00ebnat p\u00ebr aksesin n\u00eb klaster ndodhen brenda sistemit t\u00eb nd\u00ebrtimit.<\/li>\n<li> P\u00ebrmir\u00ebsimi i kontejner\u00ebve t\u00eb deployment&#8217;eve vazhdon t\u00eb jet\u00eb m\u00eb i leht\u00eb me procesin pull.<\/li>\n<li> Vonesa e fort\u00eb ndaj sistemit CD, pasi pipeline-t q\u00eb na nevojiten, ndoshta jan\u00eb shkruar fillimisht p\u00ebr Gitlab Runners, dhe m\u00eb pas ekipi vendos t\u00eb kaloj\u00eb n\u00eb Azure DevOps ose Jenkins... dhe do t\u00eb duhet t\u00eb migronim nj\u00eb num\u00ebr t\u00eb madh t\u00eb pipeline-ve t\u00eb nd\u00ebrtimit.<\/li>\n<\/ol>\n<p><\/p>\n<h2>P\u00ebrmbledhje: Push apo Pull?<\/h2>\n<p>\nSi zakonisht ndodh, \u00e7do qasje ka avantazhe dhe disavantazhe t\u00eb saj. Disa detyra jan\u00eb m\u00eb t\u00eb lehta p\u00ebr t'u realizuar me nj\u00ebra dhe m\u00eb t\u00eb komplikuara me tjetr\u00ebn. N\u00eb fillim, un\u00eb i b\u00ebra shp\u00ebrndarjet manualisht, por pasi lexova disa artikuj mbi Weave Flux, vendosa t\u00eb implementoj proceset GitOps p\u00ebr t\u00eb gjith\u00eb projektet. P\u00ebr shabllonat baz\u00eb, kjo ishte e leht\u00eb, por pastaj fillova t\u00eb hasja v\u00ebshtir\u00ebsi me Helm charts. N\u00eb at\u00eb koh\u00eb, Weave Flux ofronte vet\u00ebm nj\u00eb version fillestar t\u00eb Helm Chart Operator, por edhe tani disa detyra jan\u00eb m\u00eb t\u00eb komplikuara p\u00ebr shkak t\u00eb nevoj\u00ebs p\u00ebr t\u00eb krijuar manualisht sekretet dhe p\u00ebr t'i aplikuar ato. Mund t\u00eb thoni se qasja pull \u00ebsht\u00eb shum\u00eb m\u00eb e sigurt, pasi akreditimet e klasterit nuk jan\u00eb t\u00eb disponueshme jasht\u00eb saj, dhe kjo e rrit sigurin\u00eb aq sa ia vlen p\u00ebrpjekjet shtes\u00eb.<\/p>\n<p>Pas nj\u00eb reflektimi t\u00eb vog\u00ebl, erdha n\u00eb nj\u00eb p\u00ebrfundim papritur, se nuk \u00ebsht\u00eb k\u00ebshtu. N\u00ebse flasim p\u00ebr komponent\u00ebt q\u00eb k\u00ebrkojn\u00eb mbrojtje maksimale, nj\u00eb list\u00eb e till\u00eb do t\u00eb p\u00ebrfshij\u00eb magazinat e sekreteve dhe sistemet CI\/CD, Git-repozitor\u00ebt. Informacioni brenda tyre \u00ebsht\u00eb shum\u00eb i ekspozuar dhe ka nevoj\u00eb p\u00ebr mbrojtje maksimale. P\u00ebr m\u00eb tep\u00ebr, n\u00ebse dikush dep\u00ebrton n\u00eb repozitorin tuaj Git dhe mund t\u00eb b\u00ebj\u00eb push me kodin atje, ai mund t\u00eb implementoj\u00eb gjith\u00e7ka q\u00eb d\u00ebshiron (pavar\u00ebsisht se cila qasje \u00ebsht\u00eb e zgjedhur, qoft\u00eb kjo pull ose push), dhe t\u00eb infiltrimit n\u00eb sistemet e klasterit. Prandaj, komponent\u00ebt m\u00eb t\u00eb r\u00ebnd\u00ebsish\u00ebm q\u00eb k\u00ebrkojn\u00eb mbrojtje jan\u00eb repozitori Git dhe sistemet CI\/CD, e jo akreditimet e klasterit. N\u00ebse keni politika dhe masa sigurie t\u00eb mir\u00eb t\u00eb vendosura p\u00ebr sisteme t\u00eb tilla, dhe akreditimet e klasterit nxirren n\u00eb pipeline vet\u00ebm n\u00eb form\u00ebn e sekreteve, siguria shtes\u00eb e qasjes pull mund t\u00eb mos jet\u00eb aq e vlefshme sa ishte supozuar fillimisht.<\/p>\n<p>Pra, n\u00ebse qasja pull \u00ebsht\u00eb m\u00eb e pun\u00ebsuar dhe nuk ofron p\u00ebrfitime n\u00eb siguri, a nuk \u00ebsht\u00eb logjike t\u00eb p\u00ebrdoret vet\u00ebm qasja push? Por dikush mund t\u00eb thot\u00eb se n\u00eb qasjen push jeni shum\u00eb t\u00eb lidhur me sistemin CD, dhe ndoshta \u00ebsht\u00eb m\u00eb mir\u00eb t\u00eb mos e b\u00ebni k\u00ebt\u00eb, p\u00ebr t\u00eb pasur m\u00eb leht\u00eb migrimet n\u00eb t\u00eb ardhmen.<\/p>\n<p>Sipas mendimit tim (si gjithmon\u00eb), duhet t\u00eb p\u00ebrdorim at\u00eb q\u00eb i p\u00ebrshtatet m\u00eb shum\u00eb rastit specifik ose t\u00eb kombinojm\u00eb. Personalish, un\u00eb p\u00ebrdor t\u00eb dyja qasjet: Weave Flux p\u00ebr deployment-et e bazuara n\u00eb pull, t\u00eb cilat kryesisht p\u00ebrfshijn\u00eb sh\u00ebrbimet tona, dhe qasjen push me Helm-in dhe plugin-et, q\u00eb e thjeshtojn\u00eb aplikimin e Helm-chart-eve n\u00eb klaster dhe lejojn\u00eb t\u00eb krijojm\u00eb sekrete pa ndonj\u00eb problem. Mendoj se kurr\u00eb nuk do t\u00eb ket\u00eb nj\u00eb zgjidhje t\u00eb vetme q\u00eb \u00ebsht\u00eb e p\u00ebrshtatshme p\u00ebr t\u00eb gjitha rastet, sepse ka shum\u00eb nuanca dhe ato varen nga varianti specifik i aplikimit. N\u00eb k\u00ebt\u00eb kontekst, un\u00eb e rekomandoj fuqish\u00ebm GitOps - ai e leht\u00ebson jet\u00ebn dhe rrit sigurin\u00eb.<\/p>\n<p>Shpresoj q\u00eb p\u00ebrvoja ime n\u00eb k\u00ebt\u00eb tem\u00eb t'ju ndihmoj\u00eb t\u00eb p\u00ebrcaktoni se cili metod\u00eb \u00ebsht\u00eb m\u00eb e p\u00ebrshtatshme p\u00ebr llojin tuaj t\u00eb deployment-eve, dhe do t\u00eb doja t\u00eb dija mendimin tuaj.<\/p>\n<h2>P.S. Sh\u00ebnim nga p\u00ebrkthyesi<\/h2>\n<p>\nN\u00eb disavantazhet e modelit pull ka nj\u00eb pik\u00eb q\u00eb thot\u00eb se \u00ebsht\u00eb e v\u00ebshtir\u00eb t\u00eb vendos\u00ebsh manifestet e renditura n\u00eb Git, megjithat\u00eb nuk ka disavantazh se CD pipeline n\u00eb modelin pull jeton ve\u00e7mas nga shp\u00ebrndarja dhe n\u00eb thelb b\u00ebhet nj\u00eb pipeline i kategoris\u00eb <i>Continuous Apply<\/i>. Prandaj, do t\u00eb k\u00ebrkohet m\u00eb shum\u00eb p\u00ebrpjekje p\u00ebr t\u00eb mbledhur statusin nga t\u00eb gjitha deployment-et dhe p\u00ebr t\u00eb ofruar ndonj\u00eb m\u00ebnyr\u00eb p\u00ebr qasje n\u00eb log-et\/statusin, dhe \u00ebsht\u00eb e preferueshme q\u00eb kjo t\u00eb jet\u00eb e lidhur me sistemin CD.<\/p>\n<p>N\u00eb k\u00ebt\u00eb kuptim, modeli push ofron disa garanci p\u00ebr publikimin, sepse koha e jet\u00ebs s\u00eb pipeline-it mund t\u00eb b\u00ebhet e barabart\u00eb me koh\u00ebn e publikimit.<\/p>\n<p>Ne kemi provuar t\u00eb dyja modelet dhe kemi arritur n\u00eb t\u00eb nj\u00ebjtat p\u00ebrfundime si autori i artikullit:<\/p>\n<ol>\n<li> Modeli pull na p\u00ebrshtatet p\u00ebr organizimin e p\u00ebrdit\u00ebsimeve t\u00eb komponenteve sistemore n\u00eb nj\u00eb num\u00ebr t\u00eb madh klasteresh (shih. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/455543\/\">artikulli rreth addon-operatorit<\/a><\/noindex>).<\/li>\n<li> Modeli push bazuar n\u00eb GitLab CI p\u00ebrshtatet mir\u00eb p\u00ebr publikimin e aplikacioneve duke p\u00ebrdorur Helm-chart-e. Gjithashtu, publikimi i deployment-eve n\u00eb kuad\u00ebr t\u00eb pipeline-ve ndjeket me ndihm\u00ebn e nj\u00eb instrumenti <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/flant\/werf\">werf<\/a><\/noindex>. Me k\u00ebt\u00eb rast, n\u00eb kontekstin e k\u00ebtij projekti, ne kemi d\u00ebgjuar vazhdimisht \"GitOps\", kur kemi diskutuar \u00e7\u00ebshtjet urgjente t\u00eb inxhinier\u00ebve DevOps n\u00eb stend\u00ebn ton\u00eb n\u00eb KubeCon Europe'19.<\/li>\n<\/ol>\n<p><\/p>\n<h2>P.P.S. nga p\u00ebrkthyesi<\/h2>\n<p>\nLexoni gjithashtu n\u00eb blogun ton\u00eb:<\/p>\n<ul>\n<li> \u00ab<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/441964\/\">K\u00ebshilla &amp; truket p\u00ebr Kubernetes: p\u00ebrkthimi i burimeve q\u00eb funksionojn\u00eb n\u00eb klaster n\u00ebn menaxhimin e Helm 2<\/a><\/noindex>\u00bb;<\/li>\n<li> \u00ab<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/434160\/\">Paraqesim bibliotek\u00ebn kubedog p\u00ebr ndjekjen e burimeve Kubernetes.<\/a><\/noindex>\u00bb;<\/li>\n<li> \u00ab<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/449096\/\">Zgjerimi dhe plot\u00ebsimi i Kubernetes (p\u00ebrmbledhje dhe video e prezantimit)<\/a><\/noindex>\u00bb;<\/li>\n<li> \u00ab<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/436910\/\">K\u00ebshilla p\u00ebr krijimin e proceseve t\u00eb pun\u00ebs jo standarde n\u00eb GitLab CI<\/a><\/noindex>\u00bb.<\/li>\n<\/ul>\n<p class=\"for_users_only_msg\">Vet\u00ebm p\u00ebrdoruesit e regjistruar mund t\u00eb marrin pjes\u00eb n\u00eb anket\u00eb. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">Hyni<\/a><\/noindex>, ju lutem.<\/p>\n<h2 class=\"default-block__polling-title\">A p\u00ebrdorni GitOps?<\/h2>\n<ul class=\"content-list content-list_polling\">\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Po, qasja pull<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Po, push<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Po, pull + push<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Po, di\u00e7ka tjet\u00ebr<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Jo<\/p>\n<\/li>\n<\/ul>\n<p>    30 p\u00ebrdorues kan\u00eb votuar. 10 p\u00ebrdorues jan\u00eb abstenuar.<br \/>\n<br \/>Burimi: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/flant\/blog\/456754\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0438\u043c. \u043f\u0435\u0440\u0435\u0432.: \u0412 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435 Kubernetes \u044f\u0432\u043d\u0443\u044e \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u043e\u0441\u0442\u044c \u043d\u0430\u0431\u0438\u0440\u0430\u0435\u0442 \u0442\u0440\u0435\u043d\u0434 \u043f\u043e\u0434 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435\u043c GitOps, \u0432 \u0447\u0451\u043c \u043c\u044b \u043b\u0438\u0447\u043d\u043e \u0443\u0431\u0435\u0434\u0438\u043b\u0438\u0441\u044c, \u043f\u043e\u0441\u0435\u0442\u0438\u0432 KubeCon Europe 2019. \u042d\u0442\u043e\u0442 \u0442\u0435\u0440\u043c\u0438\u043d \u0431\u044b\u043b \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u043f\u0440\u0438\u0434\u0443\u043c\u0430\u043d \u0433\u043b\u0430\u0432\u043e\u0439 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Weaveworks \u2014 Alexis Richardson \u2014 \u0438 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0432\u044b\u0447\u043d\u044b\u0445 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 (\u0432 \u043f\u0435\u0440\u0432\u0443\u044e \u043e\u0447\u0435\u0440\u0435\u0434\u044c \u2014 Git, \u043e\u0442\u043a\u0443\u0434\u0430 \u0438 \u0441\u0430\u043c\u043e \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435) \u0434\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438. \u0412 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-35594","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0438\u043c.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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