{"id":14709,"date":"2023-07-10T15:55:51","date_gmt":"2023-07-10T08:55:51","guid":{"rendered":"https:\/\/gcloudvn.com\/?p=14709"},"modified":"2023-08-14T10:24:12","modified_gmt":"2023-08-14T03:24:12","slug":"thong-tin-tong-quan-ve-kubernetes-pod","status":"publish","type":"post","link":"https:\/\/gcloudvn.com\/en\/kienthuc\/thong-tin-tong-quan-ve-kubernetes-pod\/","title":{"rendered":"[Update] Kubernetes pod overview"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kubernetes objects l\u00e0 c\u00e1c th\u1ef1c th\u1ec3 c\u01a1 b\u1ea3n m\u00f4 t\u1ea3 tr\u1ea1ng th\u00e1i c\u1ee7a Kubernetes cluster. Pod l\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u01a1 b\u1ea3n v\u00e0 l\u00e0 th\u1ef1c th\u1ec3 gi\u00fap x\u00e2y d\u1ef1ng ki\u1ebfn tr\u00fac Kubernetes. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p t\u1ed5ng quan to\u00e0n di\u1ec7n cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 c\u00e1c <strong>Kubernetes pod<\/strong>. Hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c pod s\u1ebd gi\u00fap b\u1ea1n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u01a1 ch\u1ebf \u0111\u1eb1ng sau n\u1ec1n t\u1ea3ng \u0111i\u1ec1u ph\u1ed1i container n\u00e0y.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14710 aligncenter\" src=\"https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_3.jpg\" alt=\"Th\u00f4ng tin t\u1ed5ng quan v\u1ec1 Kubernetes pod 1\" width=\"600\" height=\"338\" srcset=\"https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_3.jpg 800w, https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_3-768x432.jpg 768w, https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_3-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/gcloudvn.com\/en\/kienthuc\/thong-tin-tong-quan-ve-kubernetes-pod\/#Khai_niem_Kubernetes_pod\" >Kh\u00e1i ni\u1ec7m Kubernetes pod<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/gcloudvn.com\/en\/kienthuc\/thong-tin-tong-quan-ve-kubernetes-pod\/#Tai_sao_Kubernetes_su_dung_pod\" >T\u1ea1i sao Kubernetes s\u1eed d\u1ee5ng pod?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/gcloudvn.com\/en\/kienthuc\/thong-tin-tong-quan-ve-kubernetes-pod\/#Tinh_nang_cua_pod_trong_Kubernetes\" >T\u00ednh n\u0103ng c\u1ee7a pod trong Kubernetes?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/gcloudvn.com\/en\/kienthuc\/thong-tin-tong-quan-ve-kubernetes-pod\/#Ung_dung_cua_pod_trong_Kubernetes\" >\u1ee8ng d\u1ee5ng c\u1ee7a pod trong Kubernetes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/gcloudvn.com\/en\/kienthuc\/thong-tin-tong-quan-ve-kubernetes-pod\/#Tong_ket\" >In conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Khai_niem_Kubernetes_pod\"><\/span><b>Kh\u00e1i ni\u1ec7m Kubernetes pod<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>Kubernetes pod<\/strong> l\u00e0 t\u1eadp h\u1ee3p c\u1ee7a m\u1ed9t ho\u1eb7c nhi\u1ec1u b\u1ed9 Linux\u00ae container v\u00e0 l\u00e0 \u0111\u01a1n v\u1ecb nh\u1ecf nh\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng Kubernetes. B\u1ea5t k\u1ef3 pod c\u1ee5 th\u1ec3 n\u00e0o c\u0169ng c\u00f3 th\u1ec3 bao g\u1ed3m nhi\u1ec1u container \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd (tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ee9c t\u1ea1p v\u00e0 n\u00e2ng cao) ho\u1eb7c ch\u1ec9 m\u1ed9t container (tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01a1n gi\u1ea3n h\u01a1n). C\u00e1c container \u0111\u01b0\u1ee3c nh\u00f3m th\u00e0nh c\u00e1c Kubernetes pod \u0111\u1ec3 t\u0103ng t\u00ednh th\u00f4ng minh c\u1ee7a vi\u1ec7c chia s\u1ebb t\u00e0i nguy\u00ean.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong h\u1ec7 th\u1ed1ng Kubernetes, c\u00e1c container trong c\u00f9ng m\u1ed9t pod s\u1ebd chia s\u1ebb c\u00f9ng m\u1ed9t t\u00e0i nguy\u00ean \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y. C\u00e1c t\u00e0i nguy\u00ean \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y n\u00e0y \u0111\u01b0\u1ee3c g\u1ed9p l\u1ea1i v\u1edbi nhau trong Kubernetes \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c cluster, c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n th\u00f4ng minh v\u00e0 m\u1ea1nh m\u1ebd h\u01a1n \u0111\u1ec3 th\u1ef1c thi c\u00e1c \u1ee9ng d\u1ee5ng. C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a Kubernetes, t\u1eeb container \u0111\u1ebfn pod hay node v\u00e0 cluster, ban \u0111\u1ea7u c\u00f3 th\u1ec3 kh\u00f3 hi\u1ec3u, nh\u01b0ng nh\u1eefng \u0111i\u1ec1u ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3 hi\u1ec3u l\u1ee3i \u00edch c\u1ee7a nh\u00f3m Kubernetes \u0111\u01b0\u1ee3c chia nh\u1ecf nh\u01b0 sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hardware Unit<\/span><\/li>\n<\/ul>\n<ul style=\"text-align: justify;\">\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Node: \u0111\u01a1n v\u1ecb nh\u1ecf nh\u1ea5t c\u1ee7a ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh trong Kubernetes, d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t m\u00e1y ri\u00eang l\u1ebb.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cluster: m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c node \u0111\u01b0\u1ee3c nh\u00f3m l\u1ea1i v\u1edbi nhau \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng chia s\u1ebb v\u00e0 c\u00e2n b\u1eb1ng t\u00e0i nguy\u00ean th\u00f4ng minh.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Software Unit<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Linux container: m\u1ed9t t\u1eadp h\u1ee3p g\u1ed3m m\u1ed9t ho\u1eb7c nhi\u1ec1u quy tr\u00ecnh, bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ea1y, l\u00e0m cho ch\u00fang lu\u00f4n s\u1eb5n s\u00e0ng tr\u00ean c\u00e1c m\u00e1y.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kubernetes pod: t\u1eadp h\u1ee3p m\u1ed9t ho\u1eb7c nhi\u1ec1u Linux container, \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i c\u00f9ng nhau \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c chia s\u1ebb t\u00e0i nguy\u00ean th\u00f4ng qua qu\u1ea3n l\u00fd cluster<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1ec1 b\u1ea3n ch\u1ea5t, ph\u1ea7n c\u1ee9ng ri\u00eang l\u1ebb \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong Kubernetes d\u01b0\u1edbi d\u1ea1ng node. Nhi\u1ec1u node trong s\u1ed1 \u0111\u00f3 \u0111\u01b0\u1ee3c t\u1eadp h\u1ee3p th\u00e0nh c\u00e1c cluster, cho ph\u00e9p ph\u00e2n b\u1ed5 s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n khi c\u1ea7n. Ch\u1ea1y tr\u00ean c\u00e1c cluster \u0111\u00f3 l\u00e0 c\u00e1c pod, \u0111i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi container \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd b\u00ean trong ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c ch\u1ea1y c\u00f9ng nhau tr\u00ean c\u00f9ng m\u1ed9t cluster<\/span><\/p>\n<p><em><strong>&gt; Reference:<\/strong> H\u1ec7 th\u1ed1ng <a href=\"https:\/\/gcloudvn.com\/en\/google-kubernetes-engine-gke\/\">Google Kubernetes Engine<\/a><\/em><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Tai_sao_Kubernetes_su_dung_pod\"><\/span><b>T\u1ea1i sao Kubernetes s\u1eed d\u1ee5ng pod?\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed1i quan h\u1ec7 c\u1ee7a pod v\u1edbi cluster l\u00e0 l\u00fd do t\u1ea1i sao Kubernetes kh\u00f4ng ch\u1ea1y c\u00e1c container 1 c\u00e1ch tr\u1ef1c ti\u1ebfp, thay v\u00e0o \u0111\u00f3 n\u00f3 s\u1ebd ch\u1ea1y c\u00e1c pod \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i container trong ch\u00fang chia s\u1ebb c\u00f9ng m\u1ed9t t\u00e0i nguy\u00ean v\u00e0 m\u1ea1ng c\u1ee5c b\u1ed9. Nh\u00f3m c\u00e1c container theo c\u00e1ch n\u00e0y cho ph\u00e9p ch\u00fang giao ti\u1ebfp v\u1edbi nhau nh\u01b0 th\u1ec3 ch\u00fang chia s\u1ebb c\u00f9ng m\u1ed9t ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd, trong khi v\u1eabn gi\u1eef s\u1ef1 t\u00e1ch bi\u1ec7t \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 n\u00e0o \u0111\u00f3.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c t\u1ed5 ch\u1ee9c c\u00e1c container th\u00e0nh c\u00e1c pod l\u00e0 m\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng n\u1ed5i ti\u1ebfng c\u1ee7a Kubernetes: t\u00ednh n\u0103ng sao ch\u00e9p. Khi c\u00e1c container \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c th\u00e0nh c\u00e1c pod, Kubernetes c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n sao ch\u00e9p \u0111\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4 theo chi\u1ec1u ngang c\u1ee7a \u1ee9ng d\u1ee5ng khi c\u1ea7n. Tr\u00ean th\u1ef1c t\u1ebf, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu m\u1ed9t pod \u0111\u01a1n l\u1ebb tr\u1edf n\u00ean qu\u00e1 t\u1ea3i, Kubernetes c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng sao ch\u00e9p n\u00f3 v\u00e0 cho n\u00f3 v\u00e0o 1 cluster. Ngo\u00e0i vi\u1ec7c h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng di\u1ec5n ra 1 c\u00e1ch tr\u01a1n tru trong th\u1eddi gian t\u1ea3i n\u1eb7ng, c\u00e1c Kubernetes pod c\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c sao ch\u00e9p li\u00ean t\u1ee5c \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ed7i cho h\u1ec7 th\u1ed1ng<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-14712 size-full\" src=\"https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_1.jpg\" alt=\"Th\u00f4ng tin t\u1ed5ng quan v\u1ec1 Kubernetes pod 2\" width=\"600\" height=\"346\" srcset=\"https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_1.jpg 600w, https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_1-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Tinh_nang_cua_pod_trong_Kubernetes\"><\/span><b>T\u00ednh n\u0103ng c\u1ee7a pod trong Kubernetes?\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c pod \u0111\u1ea1i di\u1ec7n cho c\u00e1c quy tr\u00ecnh \u0111ang ch\u1ea1y tr\u00ean m\u1ed9t cluster. B\u1eb1ng c\u00e1ch gi\u1edbi h\u1ea1n c\u00e1c pod trong m\u1ed9t quy tr\u00ecnh duy nh\u1ea5t, Kubernetes c\u00f3 th\u1ec3 b\u00e1o c\u00e1o v\u1ec1 t\u00ecnh tr\u1ea1ng c\u1ee7a t\u1eebng quy tr\u00ecnh \u0111ang ch\u1ea1y trong cluster \u0111\u00f3. Pod c\u00f3:\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t \u0111\u1ecba ch\u1ec9 IP duy nh\u1ea5t (cho ph\u00e9p giao ti\u1ebfp v\u1edbi nhau)\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ed1i l\u01b0\u1ee3ng l\u01b0u tr\u1eef li\u00ean t\u1ee5c (theo y\u00eau c\u1ea7u)\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00f4ng tin c\u1ea5u h\u00ecnh x\u00e1c \u0111\u1ecbnh c\u00e1ch m\u1ed9t container s\u1ebd ch\u1ea1y.\u00a0<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 h\u1ea7u h\u1ebft c\u00e1c pod bao g\u1ed3m m\u1ed9t container duy nh\u1ea5t, nh\u01b0ng \u0111\u00f4i l\u00fac pod s\u1ebd bao g\u1ed3m m\u1ed9t v\u00e0i container \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi nhau \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t ch\u1ee9c n\u0103ng mong mu\u1ed1n.<\/span><\/p>\n<p style=\"text-align: justify;\"><b><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-14711 size-full\" src=\"https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_2.jpg\" alt=\"Th\u00f4ng tin t\u1ed5ng quan v\u1ec1 Kubernetes pod\" width=\"600\" height=\"375\" srcset=\"https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_2.jpg 600w, https:\/\/gcloudvn.com\/wp-content\/uploads\/2023\/07\/kubernetes_pod_2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/b><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_pod_trong_Kubernetes\"><\/span><b>\u1ee8ng d\u1ee5ng c\u1ee7a pod trong Kubernetes?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, c\u00e1c pod \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi c\u00e1c t\u00e0i nguy\u00ean kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 controller, qu\u1ea3n l\u00fd vi\u1ec7c tri\u1ec3n khai, sao ch\u00e9p v\u00e0 t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c pod trong cluster. V\u00ed d\u1ee5: n\u1ebfu m\u1ed9t node trong cluster b\u1ecb l\u1ed7i, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ebd ph\u00e1t hi\u1ec7n ra r\u1eb1ng c\u00e1c pod tr\u00ean node \u0111\u00f3 kh\u00f4ng ph\u1ea3n h\u1ed3i v\u00e0 s\u1ebd t\u1ea1o pod thay th\u1ebf tr\u00ean c\u00e1c node kh\u00e1c.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ba lo\u1ea1i controller ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0:\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Jobs cho c\u00e1c c\u00f4ng vi\u1ec7c h\u00e0ng lo\u1ea1t v\u00e0 s\u1ebd c\u1ea7n ch\u1ea1y m\u1ed9t nhi\u1ec7m v\u1ee5 \u0111\u1ec3 ho\u00e0n th\u00e0nh\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Deployments cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng tr\u1ea1ng th\u00e1i v\u00e0 li\u00ean t\u1ee5c, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y ch\u1ee7 web (m\u00e1y ch\u1ee7 HPPT)\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">StatefulSets cho c\u00e1c \u1ee9ng d\u1ee5ng v\u1eeba c\u00f3 tr\u1ea1ng th\u00e1i v\u1eeba li\u00ean t\u1ee5c, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u\u00a0<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu m\u1ed9t pod bao g\u1ed3m nhi\u1ec1u container, t\u1ea5t c\u1ea3 ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c l\u00ean l\u1ecbch c\u00f9ng nhau tr\u00ean c\u00f9ng m\u1ed9t m\u00e1y ch\u1ee7 trong cluster, cho d\u00f9 l\u00e0 m\u00e1y ch\u1ee7 \u1ea3o hay m\u00e1y ch\u1ee7 v\u1eadt l\u00fd. T\u1ea5t c\u1ea3 c\u00e1c container trong pod chia s\u1ebb t\u00e0i nguy\u00ean v\u00e0 ph\u1ea7n ph\u1ee5 thu\u1ed9c c\u1ee7a ch\u00fang, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 \u0111i\u1ec1u ph\u1ed1i vi\u1ec7c th\u1ef1c thi v\u00e0 ch\u1ea5m d\u1ee9t ch\u00fang. V\u00ed d\u1ee5: c\u00e1c pod c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c container &#8216;init&#8217; c\u00f3 th\u1ec3 kh\u1edfi ch\u1ea1y tr\u01b0\u1edbc khi container c\u1ee7a \u1ee9ng d\u1ee5ng ch\u1ea1y, thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng cho c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ebfp theo.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Pod h\u1ea7u nh\u01b0 lu\u00f4n \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi c\u00e1c controller, controller sau \u0111\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi c\u1ee7a pod, bao g\u1ed3m vi\u1ec7c thay th\u1ebf c\u00e1c pod b\u1ecb l\u1ed7i, sao ch\u00e9p c\u00e1c pod khi c\u1ea7n thi\u1ebft v\u00e0 lo\u1ea1i b\u1ecf pod kh\u1ecfi c\u00e1c cluster khi ch\u00fang ho\u00e0n t\u1ea5t ho\u1eb7c kh\u00f4ng c\u00f2n c\u1ea7n thi\u1ebft.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Controller s\u1eed d\u1ee5ng th\u00f4ng tin trong template pod \u0111\u1ec3 t\u1ea1o pod v\u00e0 s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c pod \u0111ang ch\u1ea1y kh\u1edbp v\u1edbi ho\u1ea1t \u0111\u1ed9ng tri\u1ec3n khai \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong template pod, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1eb1ng c\u00e1ch t\u1ea1o b\u1ea3n sao \u0111\u1ec3 kh\u1edbp v\u1edbi s\u1ed1 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Tong_ket\"><\/span><b>In conclusion<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Qua b\u00e0i vi\u1ebft n\u00e0y, ta c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 <strong>Kubernetes pod<\/strong>. Khi pod ch\u1ee9a nhi\u1ec1u container, vi\u1ec7c li\u00ean l\u1ea1c v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa ch\u00fang \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a. V\u00ec t\u1ea5t c\u1ea3 c\u00e1c container trong m\u1ed9t pod chia s\u1ebb c\u00f9ng m\u1ed9t kh\u00f4ng gian t\u00ean m\u1ea1ng n\u00ean ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ecbnh v\u1ecb l\u1eabn nhau v\u00e0 giao ti\u1ebfp qua m\u00e1y ch\u1ee7 c\u1ee5c b\u1ed9. C\u00e1c pod c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi nhau b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 IP c\u1ee7a pod ho\u1eb7c b\u1eb1ng c\u00e1ch tham chi\u1ebfu t\u00e0i nguy\u00ean n\u1eb1m trong pod kh\u00e1c.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c pod c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c container s\u1ebd kh\u1edfi ch\u1ea1y khi ch\u00fang b\u1eaft \u0111\u1ea7u c\u00f4ng vi\u1ec7c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh kh\u1edfi t\u1ea1o c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi c\u00e1c \u1ee9ng d\u1ee5ng container ch\u1ea1y. Ngo\u00e0i ra, c\u00e1c pod \u0111\u01a1n gi\u1ea3n h\u00f3a kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, cho ph\u00e9p t\u1ea1o m\u1edbi, sao ch\u00e9p v\u00e0 t\u1eaft d\u1ef1a tr\u00ean nh\u1eefng thay \u0111\u1ed5i v\u1ec1 nhu c\u1ea7u.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Cloud has been and is an inevitable trend in the technology development and optimization system of enterprises. Gimasys - Premier Partner of Google in Vietnam is the unit providing, consulting the structure, designing the optimal Cloud solution for you. For technical support, you can contact Gimasys - Premier Partner of Google in Vietnam at the following information:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hotline: <\/b><span style=\"font-weight: 400;\">0974 417 099 (HCM) | 0987 682 505 (HN)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Email: <\/b><span style=\"font-weight: 400;\">gcp@gimasys.com<\/span><\/li>\n<\/ul>\n<p style=\"text-align: right;\"><b>Source: Gimasys<\/b><\/p>","protected":false},"excerpt":{"rendered":"<p>Kubernetes objects l\u00e0 c\u00e1c th\u1ef1c th\u1ec3 c\u01a1 b\u1ea3n m\u00f4 t\u1ea3 tr\u1ea1ng th\u00e1i c\u1ee7a Kubernetes cluster. Pod l\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u01a1 b\u1ea3n v\u00e0 l\u00e0 th\u1ef1c th\u1ec3 gi\u00fap x\u00e2y d\u1ef1ng ki\u1ebfn tr\u00fac Kubernetes. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p t\u1ed5ng quan&hellip;<\/p>","protected":false},"author":2,"featured_media":14711,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1,135],"tags":[],"class_list":["post-14709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kienthuc","category-google-cloud-platform","entry","has-media"],"_links":{"self":[{"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/posts\/14709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/comments?post=14709"}],"version-history":[{"count":0,"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/posts\/14709\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/media\/14711"}],"wp:attachment":[{"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/media?parent=14709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/categories?post=14709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gcloudvn.com\/en\/wp-json\/wp\/v2\/tags?post=14709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}