{"id":90699,"date":"2020-08-05T01:42:12","date_gmt":"2020-08-04T23:42:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/canary-deployment-v-kubernetes-3-istio"},"modified":"2020-08-05T01:42:12","modified_gmt":"2020-08-04T23:42:12","slug":"canary-deployment-v-kubernetes-3-istio","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/canary-deployment-v-kubernetes-3-istio","title":{"rendered":"Canary Deployment in Kubernetes #3: Istio","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h3 id=\"ispolzovanie-istiokiali-dlya-zapuska-i-vizualizacii-canary-deploya\">Utilizzo di Istio+Kiali per avviare e visualizzare il Canary deployment<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/2eeaaaeaa565700d7a8f6f72c5638d4e.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h4 id=\"stati-etogo-cikla\">Articoli di questo ciclo<\/h4>\n<p><\/p>\n<ol>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/nixys\/blog\/512766\/\">Canary Deployment in Kubernetes #1: Gitlab CI<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/nixys\/blog\/513118\/\">Canary Deployment in Kubernetes #2: Argo Rollouts<\/a><\/noindex><\/li>\n<li>(questo articolo)<\/li>\n<li>Canary Deployment utilizzando Jenkins-X Istio Flagger<\/li>\n<\/ol>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3 id=\"canary-deployment\">Deployment Canary<\/h3>\n<p><\/p>\n<p>Speriamo che tu abbia letto <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/nixys\/blog\/512766\/\">la prima parte<\/a><\/noindex>, dove spiegavamo brevemente cosa sono i Canary deployments e mostravamo come implementarli utilizzando le risorse standard di Kubernetes.<\/p>\n<p><\/p>\n<h3 id=\"istio\">Istio<\/h3>\n<p><\/p>\n<p>E presumiamo che leggendo questo articolo tu conosca gi\u00e0 Istio. Se non lo sai, puoi leggere di lui <noindex><a rel=\"nofollow\" href=\"https:\/\/itnext.io\/kubernetes-istio-simply-visually-explained-58a7d158b83f?source=friends_link&amp;sk=378ed718d2d6cfd09e6d23c7616cba81\">qui<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h3 id=\"prilozhenie-dlya-testov\">Applicazione per test<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/4c1e7d1644411cecaf52433b98219bb4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Ogni pod contiene due container: la nostra applicazione e istio-proxy.<\/p>\n<p><\/p>\n<p>Utilizzeremo una semplice applicazione di test con pod frontend-nginx e backend in python. Il pod con nginx reindirizzer\u00e0 semplicemente ogni richiesta al pod con backend e funzioner\u00e0 come proxy. I dettagli possono essere consultati nei seguenti yaml:<\/p>\n<p><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.com\/wuestkamp\/k8s-deployment-example-istio-canary-infrastructure\/blob\/master\/i\/k8s\/frontend.yaml\">frontend.yaml<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.com\/wuestkamp\/k8s-deployment-example-istio-canary-infrastructure\/blob\/master\/i\/k8s\/backend.yaml\">backend.yaml<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.com\/wuestkamp\/k8s-deployment-example-istio-canary-infrastructure\/blob\/master\/i\/k8s\/istio.yaml\">istio.yaml<\/a><\/noindex><\/li>\n<\/ul>\n<p><\/p>\n<h4 id=\"zapusk-testovogo-prilozheniya-samostoyatelno\">Avvio dell'applicazione di test autonomamente<\/h4>\n<p><\/p>\n<p>Se vuoi seguire il mio esempio e utilizzare questa applicazione di test da solo, vedi il <noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.com\/wuestkamp\/k8s-deployment-example-istio-canary-infrastructure\/blob\/master\/README.md\">readme del progetto<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h3 id=\"nachalnyy-deployment\">Deployment iniziale<\/h3>\n<p><\/p>\n<p>Quando avviamo il primo Deployment vediamo che i pod della nostra applicazione hanno solo 2 container ciascuno, il che significa che il sidecar di Istio \u00e8 ancora in fase di implementazione:<\/p>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/5e1340c271845973cf932cc291d98972.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<p>E vediamo anche Istio Gateway Loadbalancer nel namespace <code>istio-system<\/code>:<\/p>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/24549496f038bd61d1288b122c66e6ea.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h4 id=\"sozdanie-trafika\">Creazione del traffico<\/h4>\n<p><\/p>\n<p>Utilizzeremo il seguente IP per generare traffico, che sar\u00e0 ricevuto dai pod frontend e ridiretto ai pod backend:<\/p>\n<p><\/p>\n<p><code>while true; do curl -s --resolve 'frontend.istio-test:80:35.242.202.152' frontend.istio-test; sleep 0.1; done<\/code><\/p>\n<p><\/p>\n<p>Aggiungeremo anche <code>frontend.istio-test<\/code> al nostro file hosts.<\/p>\n<p><\/p>\n<h4 id=\"prosmotr-mesh-cherez-kiali\">Visualizzazione Mesh attraverso Kiali<\/h4>\n<p><\/p>\n<p>Abbiamo installato un'applicazione di test e Istio insieme a Tracing, Grafana, Prometheus e Kiali (maggiori dettagli su <noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.com\/wuestkamp\/k8s-deployment-example-istio-canary-infrastructure\/blob\/master\/README.md\">readme del progetto<\/a><\/noindex>). Pertanto, possiamo utilizzare Kiali tramite:<\/p>\n<p><\/p>\n<p><code>istioctl dashboard kiali # admin:admin<\/code><\/p>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/3e925a977aedcde3912d46dcc1f47713.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Kiali visualizza il traffico attuale attraverso la Mesh<\/p>\n<p><\/p>\n<p>Come possiamo vedere, il 100% del traffico raggiunge il servizio frontend, quindi al pod frontend con etichetta v1, poich\u00e9 utilizziamo un semplice proxy nginx che reindirizza le richieste al servizio backend, che a sua volta le reindirizza ai pod backend con etichetta v1.<\/p>\n<p><\/p>\n<p>Kiali funziona perfettamente con Istio e offre una soluzione 'out of the box' per la visualizzazione della Mesh. \u00c8 semplicemente fantastico.<\/p>\n<p><\/p>\n<h3 id=\"canary-deployment-1\">Deployment Canary<\/h3>\n<p><\/p>\n<p>Il nostro backend ha gi\u00e0 due deployment k8s, uno per v1 e uno per v2. Ora dobbiamo solo dire a Istio di reindirizzare una certa percentuale di richieste a v2. <\/p>\n<p><\/p>\n<h3 id=\"shag-1-10\">Passo 1: 10%<\/h3>\n<p><\/p>\n<p>E tutto ci\u00f2 che dobbiamo fare \u00e8 regolare il peso del VirtualService in <noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.com\/wuestkamp\/k8s-deployment-example-istio-canary-infrastructure\/blob\/master\/i\/k8s\/istio.yaml\">istio.yaml<\/a><\/noindex>:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">apiVersion: networking.istio.io\/v1alpha3\nkind: VirtualService\nmetadata:\n  name: backend\n  namespace: default\nspec:\n  gateways: []\n  hosts:\n  - \"backend.default.svc.cluster.local\"\n  http:\n  - match:\n    - {}\n    route:\n    - destination:\n        host: backend.default.svc.cluster.local\n        subset: v1\n        port:\n          number: 80\n      weight: 90\n    - destination:\n        host: backend.default.svc.cluster.local\n        subset: v2\n        port:\n          number: 80\n      weight: 10<\/code><\/pre>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/5cf97856676873f5f3cba08b15964c18.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<p>Vediamo che il 10% delle richieste \u00e8 reindirizzato a v2.<\/p>\n<p><\/p>\n<h4 id=\"shag-2-50\">Passo 2: 50%<\/h4>\n<p><\/p>\n<p>E ora \u00e8 sufficiente aumentarlo al 50%:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">apiVersion: networking.istio.io\/v1alpha3\nkind: VirtualService\nmetadata:\n  name: backend\n  namespace: default\nspec:\n...\n    - destination:\n        host: backend.default.svc.cluster.local\n        subset: v1\n        port:\n          number: 80\n      weight: 50\n    - destination:\n        host: backend.default.svc.cluster.local\n        subset: v2\n        port:\n          number: 80\n      weight: 50<\/code><\/pre>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/c6b425b935e756a8b7ed72051db78763.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3 id=\"shag-3-100\">Passo 3: 100%<\/h3>\n<p><\/p>\n<p>Ora il deployment Canary pu\u00f2 dirsi completato e tutto il traffico \u00e8 reindirizzato a v2:<\/p>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/bb028dc47f0799dc9371ce89ae64f805.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3 id=\"testirovanie-canary-vruchnuyu\">Testare Canary manualmente<\/h3>\n<p><\/p>\n<p>Supponiamo che al momento stiamo inviando al backend v2 il 10% di tutte le richieste. Cosa succede se vogliamo testare manualmente v2 per assicurarci che tutto funzioni come previsto?<\/p>\n<p><\/p>\n<p>Possiamo aggiungere una regola di corrispondenza speciale basata sugli header HTTP:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">apiVersion: networking.istio.io\/v1alpha3\nkind: VirtualService\nmetadata:\n  name: backend\n  namespace: default\nspec:\n  gateways: []\n  hosts:\n  - \"backend.default.svc.cluster.local\"\n  http:\n  - match:\n    - headers:\n        canary:\n          exact: \"canary-tester\"\n    route:\n    - destination:\n        host: backend.default.svc.cluster.local\n        subset: v2\n        port:\n          number: 80\n      weight: 100\n  - match:\n    - {}\n    route:\n    - destination:\n        host: backend.default.svc.cluster.local\n        subset: v1\n        port:\n          number: 80\n      weight: 90\n    - destination:\n        host: backend.default.svc.cluster.local\n        subset: v2\n        port:\n          number: 80\n      weight: 10<\/code><\/pre>\n<p><\/p>\n<p>Ora, utilizzando curl possiamo forzare la richiesta a v2 inviando l'intestazione:<\/p>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/eaf26cae21c403944110b5d7705e1ebc.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<p>Le richieste senza intestazione saranno ancora gestite con un rapporto di 1\/10:<\/p>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/8cb0cf5832dd935ba5c4649856ac9005.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h4 id=\"canary-dlya-dvuh-zavisimyh-versiy\">Canary per due versioni dipendenti<\/h4>\n<p><\/p>\n<p>Ora consideriamo un caso in cui abbiamo la versione v2 sia per il frontend che per il backend. Per entrambi, abbiamo specificato che il 10% del traffico dovrebbe andare a v2:<\/p>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/4b5de3f82cb960102164034b7b6b100a.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<p>Vediamo che il frontend v1 e v2 inoltrano entrambi il traffico nel rapporto di 1\/10 verso il backend v1 e v2.<\/p>\n<p><\/p>\n<p>E se avessimo bisogno di inoltrare il traffico da frontend-v2 solo a backend-v2, poich\u00e9 non \u00e8 compatibile con v1? Per questo impostiamo un rapporto di 1\/10 per il frontend, che controlla quale traffico va a backend-v2 utilizzando la corrispondenza per <code>sourceLabels<\/code> :<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">apiVersion: networking.istio.io\/v1alpha3\nkind: VirtualService\nmetadata:\n  name: backend\n  namespace: default\nspec:\n  gateways: []\n  hosts:\n  - \"backend.default.svc.cluster.local\"\n  http:\n...\n  - match:\n    - sourceLabels:\n        app: frontend\n        version: v2\n    route:\n    - destination:\n        host: backend.default.svc.cluster.local\n        subset: v2\n        port:\n          number: 80\n      weight: 100<\/code><\/pre>\n<p><\/p>\n<p>Di conseguenza, otteniamo ci\u00f2 di cui abbiamo bisogno:<\/p>\n<p>\n<img decoding=\"async\" alt=\"Canary Deployment in Kubernetes #3: Istio\" src=\"\/wp-content\/uploads\/2020\/08\/43739627279a9af11885e602a3e96390.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3 id=\"otlichiya-ot-ruchnogo-canary-podhoda\">Differenze rispetto all'approccio manuale Canary<\/h3>\n<p><\/p>\n<p>In <em>parte uno<\/em> Abbiamo eseguito il deployment Canary manualmente, utilizzando anche due deployment k8s. In quel caso, gestivamo il rapporto delle richieste modificando il numero di repliche. Questo approccio funziona, ma presenta seri svantaggi.<\/p>\n<p><\/p>\n<p>Istio offre la possibilit\u00e0 di definire il rapporto delle richieste indipendentemente dal numero di repliche. Ci\u00f2 significa, ad esempio, che possiamo utilizzare gli HPA (Horizontal Pod Autoscalers \u2014 scalabilit\u00e0 orizzontale dei pod) e non \u00e8 necessario configurarlo in base allo stato attuale del deployment Canary.<\/p>\n<p><\/p>\n<h3 id=\"itog\">Risultato<\/h3>\n<p><\/p>\n<p>Istio funziona ottimamente e utilizzandolo insieme a Kiali otteniamo una combinazione molto potente. Il prossimo nel mio elenco di interessi \u00e8 la combinazione di Spinnaker con Istio per l'automazione e l'analisi Canary.<\/p>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/nixys\/blog\/513578\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 Istio+Kiali \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0438 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 Canary \u0434\u0435\u043f\u043b\u043e\u044f \u0421\u0442\u0430\u0442\u044c\u0438 \u044d\u0442\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430 Canary Deployment \u0432 Kubernetes #1: Gitlab CI Canary Deployment \u0432 Kubernetes #2: Argo Rollouts (\u044d\u0442\u0430 \u0441\u0442\u0430\u0442\u044c\u044f) Canary Deployment \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f Jenkins-X Istio Flagger Canary Deployment \u041d\u0430\u0434\u0435\u0435\u043c\u0441\u044f, \u0447\u0442\u043e \u0432\u044b \u0447\u0438\u0442\u0430\u043b\u0438 \u043f\u0435\u0440\u0432\u0443\u044e \u0447\u0430\u0441\u0442\u044c, \u0433\u0434\u0435 \u043c\u044b \u043a\u0440\u0430\u0442\u043a\u043e \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u043b\u0438 \u0447\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Canary deployments \u0438 \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u043b\u0438 \u043a\u0430\u043a \u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":90700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-90699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 Istio+Kiali \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0438 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 Canary \u0434\u0435\u043f\u043b\u043e\u044f\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/canary-deployment-v-kubernetes-3-istio\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"it_IT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47Canary Deployment \u0432 Kubernetes #3: Istio | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 Istio+Kiali \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0438 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 Canary \u0434\u0435\u043f\u043b\u043e\u044f\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/canary-deployment-v-kubernetes-3-istio\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-08-04T23:42:12+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-08-04T23:42:12+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Canary Deployment in Kubernetes #3: Istio | ProHoster","description":"Utilizzo di Istio+Kiali per avviare e visualizzare il Canary deployment","canonical_url":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/canary-deployment-v-kubernetes-3-istio","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Canary Deployment \u0432 Kubernetes #3: Istio | ProHoster","og:description":"\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 Istio+Kiali \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0438 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 Canary \u0434\u0435\u043f\u043b\u043e\u044f","og:url":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/canary-deployment-v-kubernetes-3-istio","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-08-04T23:42:12+00:00","article:modified_time":"2020-08-04T23:42:12+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"90699","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 12:44:41","updated":"2022-09-28 14:34:54","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/90699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/comments?post=90699"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/90699\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/media\/90700"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/media?parent=90699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/categories?post=90699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/tags?post=90699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}