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znl8a3">.css-znl8a3{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;min-height:1.75rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding-left:0rem;padding-top:0.25rem;padding-bottom:0.25rem;}</style><div class="css-znl8a3"><style data-emotion="css tx8jsd">.css-tx8jsd{margin:0;font-size:1rem;line-height:1.5rem;font-family:"Helvetica Neue","sans-serif";font-weight:400;font-style:normal;color:#666666;}</style><a class="MuiTypography-root MuiTypography-body1 css-tx8jsd" target="_blank" href="https://docs.pingcap.com/zh/tidb-in-kubernetes/dev" style="text-decoration:none;width:100%;color:inherit"><style data-emotion="css 8atqhb">.css-8atqhb{width:100%;}</style><div class="MuiBox-root css-8atqhb"><style data-emotion="css 1hwyipb">.css-1hwyipb{margin:0;font-size:1rem;line-height:1.5rem;font-family:"Helvetica Neue","sans-serif";font-weight:400;font-style:normal;color:#666666;color:inherit;font-size:0.875rem;line-height:1.25rem;}</style><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">TiDB on Kubernetes 文档</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-1" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">关于 TiDB Operator</div></div><style data-emotion="css xjq79n">.css-xjq79n{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;width:1em;height:1em;display:inline-block;fill:currentColor;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;-webkit-transition:fill 200ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;transition:fill 200ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;font-size:1.5rem;fill:#999999;height:1rem;width:1rem;margin-left:auto;-webkit-transform:none;-moz-transform:none;-ms-transform:none;transform:none;}</style><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div><style data-emotion="css 1jozaee">.css-1jozaee{margin:0;padding:0;margin-left:17px;}</style></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-2" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/get-started"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">快速上手</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="true" id="left-nav-treeview-0-3" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content Mui-expanded" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">部署</div></div><style data-emotion="css 171pefp">.css-171pefp{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;width:1em;height:1em;display:inline-block;fill:currentColor;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;-webkit-transition:fill 200ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;transition:fill 200ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;font-size:1.5rem;fill:#999999;height:1rem;width:1rem;margin-left:auto;-webkit-transform:rotate(90deg);-moz-transform:rotate(90deg);-ms-transform:rotate(90deg);transform:rotate(90deg);}</style><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-171pefp" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div><style data-emotion="css 1xxsnna">.css-1xxsnna{height:auto;overflow:visible;-webkit-transition:height 300ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;transition:height 300ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;margin:0;padding:0;margin-left:17px;}</style><ul class="MuiCollapse-root MuiCollapse-vertical MuiTreeItem-group MuiCollapse-entered css-1xxsnna" style="min-height:0px" role="group"><div class="MuiCollapse-wrapper MuiCollapse-vertical css-hboir5"><div class="MuiCollapse-wrapperInner MuiCollapse-vertical css-8atqhb"><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-3-0" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><style data-emotion="css kb2j4b">.css-kb2j4b{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;min-height:1.75rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding-left:0.5rem;padding-top:0.25rem;padding-bottom:0.25rem;}</style><div class="css-kb2j4b"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">自托管的 Kubernetes</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-3-1" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-kb2j4b"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">公有云的 Kubernetes</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-3-2" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-kb2j4b"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/deploy-cluster-on-arm64"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">在 ARM64 机器上部署 TiDB 集群</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-3-3" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-kb2j4b"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/deploy-tiflash"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">部署 TiDB HTAP 存储引擎 TiFlash</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="true" id="left-nav-treeview-0-3-4" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content Mui-expanded" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-kb2j4b"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">跨多个 Kubernetes 集群部署 TiDB 集群</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-171pefp" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div><ul class="MuiCollapse-root MuiCollapse-vertical MuiTreeItem-group MuiCollapse-entered css-1xxsnna" style="min-height:0px" role="group"><div class="MuiCollapse-wrapper MuiCollapse-vertical css-hboir5"><div class="MuiCollapse-wrapperInner MuiCollapse-vertical css-8atqhb"><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-3-4-0" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content Mui-expanded" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><style data-emotion="css snygwd">.css-snygwd{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;min-height:1.75rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding-left:1rem;padding-top:0.25rem;padding-bottom:0.25rem;}</style><div class="css-snygwd"><a aria-current="page" style="text-decoration:none;width:100%;color:inherit" class="" href="/zh/tidb-in-kubernetes/stable/build-multi-aws-eks"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">构建多个网络互通的 AWS EKS 集群</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-3-4-1" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-snygwd"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/build-multi-gcp-gke"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">构建多个网络互通的 GKE 集群</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-3-4-2" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-snygwd"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/deploy-tidb-cluster-across-multiple-kubernetes"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">跨多个 Kubernetes 集群部署 TiDB 集群</div></div></a></div></div></div></li></div></div></ul></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-3-5" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-kb2j4b"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/deploy-heterogeneous-tidb-cluster"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">部署 TiDB 异构集群</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-3-6" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-kb2j4b"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/deploy-ticdc"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">部署增量数据同步工具 TiCDC</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-3-7" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-kb2j4b"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/deploy-tidb-binlog"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">部署 Binlog 收集工具</div></div></a></div></div></div></li></div></div></ul></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-4" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">监控与告警</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-5" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">数据迁移</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-6" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">运维管理</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-7" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">故障诊断</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" id="left-nav-treeview-0-8" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><a style="text-decoration:none;width:100%;color:inherit" href="/zh/tidb-in-kubernetes/stable/faq"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">常见问题</div></div></a></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-9" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">参考</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div></li><li class="MuiTreeItem-root css-1oy5rnm" role="treeitem" aria-expanded="false" id="left-nav-treeview-0-10" tabindex="-1" style="margin-top:0.1875rem;margin-bottom:0.1875rem"><div class="css-khel7y MuiTreeItem-content" style="width:inherit"><div class="MuiTreeItem-iconContainer"/><div class="MuiTreeItem-label"><div class="css-znl8a3"><div class="MuiBox-root css-8atqhb"><div class="MuiTypography-root MuiTypography-body1 css-1hwyipb">版本发布历史</div></div><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeMedium MuiTreeItem-ChevronRightIcon css-xjq79n" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ChevronRightIcon"><path d="M10 6 8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg></div></div></div></li></ul></div></aside><style data-emotion="css sb2sd0">.css-sb2sd0{width:100%;}@media (min-width:1200px){.css-sb2sd0{max-width:calc(100% - 18.75rem);}}</style><main class="MuiBox-root css-sb2sd0"><style data-emotion="css 1rnnmjb">.css-1rnnmjb{max-width:1340px;width:100%;margin-left:auto;margin-right:auto;display:block;box-sizing:border-box;}</style><div class="MuiBox-root css-1rnnmjb"><style data-emotion="css 90fn5w">.css-90fn5w{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;}@media (min-width:0px){.css-90fn5w{-webkit-flex-direction:column-reverse;-ms-flex-direction:column-reverse;flex-direction:column-reverse;}}@media (min-width:600px){.css-90fn5w{-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;}}</style><div class="css-90fn5w"><style data-emotion="css vofosd">.css-vofosd{padding:1.5rem 0;}@media (min-width:0px){.css-vofosd{width:100%;}}@media (min-width:600px){.css-vofosd{width:calc(100% - 17.5rem);}}</style><div class="MuiBox-root css-vofosd"><style data-emotion="css 1ekb41w">.css-1ekb41w{width:100%;margin-left:auto;box-sizing:border-box;margin-right:auto;display:block;padding-left:16px;padding-right:16px;}@media (min-width:600px){.css-1ekb41w{padding-left:24px;padding-right:24px;}}@media (min-width:1536px){.css-1ekb41w{max-width:1536px;}}</style><div class="MuiContainer-root MuiContainer-maxWidthXl doc-content css-1ekb41w"><div class="markdown-body MuiBox-root css-0"><h1 id="构建多个网络互通的-aws-eks-集群" style="position:relative"><a href="#%E6%9E%84%E5%BB%BA%E5%A4%9A%E4%B8%AA%E7%BD%91%E7%BB%9C%E4%BA%92%E9%80%9A%E7%9A%84-aws-eks-%E9%9B%86%E7%BE%A4" aria-label="构建多个网络互通的 aws eks 集群 permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>构建多个网络互通的 AWS EKS 集群</h1><p>本文以构建 3 个集群为例，介绍了如何构建多个 AWS EKS 集群，并配置集群之间的网络互通，为<a href="/zh/tidb-in-kubernetes/stable/deploy-tidb-cluster-across-multiple-kubernetes">跨 Kubernetes 集群部署 TiDB 集群</a>作准备。</p><p>如果仅需要部署 TiDB 集群到一个 AWS EKS 集群，请参考<a href="/zh/tidb-in-kubernetes/stable/deploy-on-aws-eks">在 AWS EKS 上部署 TiDB 集群</a>文档。</p><h2 id="环境准备" style="position:relative"><a href="#%E7%8E%AF%E5%A2%83%E5%87%86%E5%A4%87" aria-label="环境准备 permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>环境准备</h2><p>部署前，请确认已完成以下环境准备：</p><ul><li><p>安装 <a href="https://helm.sh/docs/intro/install/" target="_blank" referrerpolicy="no-referrer-when-downgrade">Helm 3</a>：用于安装 TiDB Operator。</p></li><li><p>完成 AWS <a href="https://docs.aws.amazon.com/zh_cn/eks/latest/userguide/getting-started-eksctl.html" target="_blank" referrerpolicy="no-referrer-when-downgrade">eksctl 入门</a>中所有操作。</p><p> 该教程包含以下内容：</p><ul><li>安装并配置 AWS 的命令行工具 awscli</li><li>安装并配置创建 Kubernetes 集群的命令行工具 eksctl</li><li>安装 Kubernetes 命令行工具 kubectl</li></ul></li><li><p>AWS Access Key 至少具有 <a href="https://eksctl.io/usage/minimum-iam-policies/" target="_blank" referrerpolicy="no-referrer-when-downgrade">eksctl 所需最少权限</a>和创建 <a href="https://aws-quickstart.github.io/quickstart-linux-bastion/#_aws_account" target="_blank" referrerpolicy="no-referrer-when-downgrade">Linux 堡垒机所涉及的服务权限</a>。</p></li></ul><p>要验证 AWS CLI 的配置是否正确，请运行 <code>aws configure list</code> 命令。如果此命令的输出显示了 <code>access_key</code> 和 <code>secret_key</code> 的值，则 AWS CLI 的配置是正确的。否则，你需要重新配置 AWS CLI。</p><h2 id="第-1-步启动-kubernetes-集群" style="position:relative"><a href="#%E7%AC%AC-1-%E6%AD%A5%E5%90%AF%E5%8A%A8-kubernetes-%E9%9B%86%E7%BE%A4" aria-label="第 1 步启动 kubernetes 集群 permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>第 1 步：启动 Kubernetes 集群</h2><p>定义三个 EKS 集群的配置文件分别为 <code>cluster_1.yaml</code>、<code>cluster_2.yaml</code> 和 <code>cluster_3.yaml</code>，并使用 <code>eksctl</code> 命令创建三个 EKS 集群。</p><ol><li><p>定义集群 1 的配置文件，并创建集群 1。</p><p>将如下配置保存为 <code>cluster_1.yaml</code> 文件，其中 <code>${cluster_1}</code> 为 EKS 集群的名字，<code>${region_1}</code> 为部署 EKS 集群到的 Region，<code>${cidr_block_1}</code> 为 EKS 集群所属的 VPC 的 CIDR block。</p><pre><code class="language-yaml">apiVersion: eksctl.io/v1alpha5 kind: ClusterConfig metadata: name: ${cluster_1} region: ${region_1} # nodeGroups ... cidr: ${cidr_block_1} </code></pre><p>节点池 <code>nodeGroups</code> 字段的配置可以参考<a href="/zh/tidb-in-kubernetes/stable/deploy-on-aws-eks#创建-eks-集群和节点池">创建 EKS 集群和节点池</a>一节。</p><p>执行以下命令创建集群 1 ：</p><pre><code class="language-bash">eksctl create cluster -f cluster_1.yaml </code></pre><p>执行上述命令后，等待 EKS 集群创建完成，以及节点组创建完成并加入进去，耗时约 5~20 分钟。可参考 <a href="https://eksctl.io/usage/creating-and-managing-clusters/#using-config-files" target="_blank" referrerpolicy="no-referrer-when-downgrade">eksctl 文档</a>了解更多集群配置选项。</p></li><li><p>以集群 1 的配置文件为例，定义集群 2 与集群 3 的配置文件，并通过 <code>eksctl</code> 命令创建集群 2 与集群 3。</p><p>需要注意，每个集群所属的 VPC 的 CIDR block <strong>必须</strong> 与其他集群不重叠。</p><p>后文中：</p><ul><li><code>${cluster_1}</code>、<code>${cluster_2}</code> 与 <code>${cluster_3}</code> 分别代表三个集群的名字。</li><li><code>${region_1}</code>、<code>${region_2}</code> 与 <code>${region_3}</code> 分别代表三个集群所处的 Region。</li><li><code>${cidr_block_1}</code>、<code>${cidr_block_2}</code> 与 <code>${cidr_block_3}</code> 分别代表三个集群所属的 VPC 的 CIDR block。</li></ul></li><li><p>在所有集群创建完毕后，你需要获取每个集群的 Kubernetes Context，以方便后续使用 <code>kubectl</code> 命令操作每个集群。</p><pre><code class="language-bash">kubectl config get-contexts </code></pre><details><summary>点击查看输出，其中的 `NAME` 项就是你需要使用的 context 。</summary><pre><code>CURRENT NAME CLUSTER AUTHINFO NAMESPACE * pingcap@tidb-1.us-west-1.eksctl.io tidb-1.us-west-1.eksctl.io pingcap@tidb-1.us-west-1.eksctl.io pingcap@tidb-2.us-west-2.eksctl.io tidb-2.us-west-2.eksctl.io pingcap@tidb-2.us-west-2.eksctl.io pingcap@tidb-3.us-east-1.eksctl.io tidb-3.us-east-1.eksctl.io pingcap@tidb-3.us-east-1.eksctl.io</code></pre></details><p>后文中，<code>${context_1}</code>、<code>${context_2}</code> 与 <code>${context_3}</code> 分别代表各个集群的 context。</p></li></ol><h2 id="第-2-步配置网络" style="position:relative"><a href="#%E7%AC%AC-2-%E6%AD%A5%E9%85%8D%E7%BD%AE%E7%BD%91%E7%BB%9C" aria-label="第 2 步配置网络 permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>第 2 步：配置网络</h2><h3 id="设置-vpc-peering" style="position:relative"><a href="#%E8%AE%BE%E7%BD%AE-vpc-peering" aria-label="设置 vpc peering permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>设置 VPC peering</h3><p>为了联通三个集群的网络，你需要为每两个集群所在的 VPC 创建一个 VPC peering。关于 VPC peering，可以参考 <a href="https://docs.aws.amazon.com/vpc/latest/peering/what-is-vpc-peering.html" target="_blank" referrerpolicy="no-referrer-when-downgrade">AWS 官方文档</a>。</p><ol><li><p>通过 <code>eksctl</code> 命令，得到每个集群所在的 VPC 的 ID。以集群 1 为例：</p><pre><code class="language-bash">eksctl get cluster ${cluster_1} --region ${region_1} </code></pre><details><summary>点击查看示例输出，其中 `VPC` 项就是该集群所在 VPC 的 ID。</summary><pre><code>NAME VERSION STATUS CREATED VPC SUBNETS SECURITYGROUPS tidb-1 1.20 ACTIVE 2021-11-22T06:40:20Z vpc-0b15ed35c02af5288 subnet-058777d55881c4095, subnet-06def2041b6fa3fa0,subnet-0869c7e73e09c3174,subnet-099d10845f6cbaf82,subnet-0a1a58db5cb087fed, subnet-0f68b302678c4d36b sg-0cb299e7ec153c595</code></pre></details><p>后文中，<code>${vpc_id_1}</code>、<code>${vpc_id_2}</code> 与 <code>${vpc_id_3}</code> 分别代表各个集群所在的 VPC 的 ID。</p></li><li><p>构建集群 1 与集群 2 的 VPC peering。</p><ol><li><p>按照 <a href="https://docs.aws.amazon.com/vpc/latest/peering/create-vpc-peering-connection.html#create-vpc-peering-connection-local" target="_blank" referrerpolicy="no-referrer-when-downgrade">AWS VPC peering 文档</a>创建 VPC peering。<code>${vpc_id_1}</code> 作为 requester VPC，<code>${vpc_id_2}</code> 作为 accepter VPC 。</p></li><li><p>按照 <a href="https://docs.aws.amazon.com/vpc/latest/peering/create-vpc-peering-connection.html#accept-vpc-peering-connection" target="_blank" referrerpolicy="no-referrer-when-downgrade">AWS VPC Peering 文档</a>完成 VPC peering 的构建。</p></li></ol></li><li><p>以步骤 2 为例，构建集群 1 与集群 3 的 VPC peering，以及集群 2 与集群 3 的 VPC peering。</p></li><li><p>按照<a href="https://docs.aws.amazon.com/vpc/latest/peering/vpc-peering-routing.html" target="_blank" referrerpolicy="no-referrer-when-downgrade">更新路由表文档</a>，更新三个集群的路由表。</p><p>你需要更新集群使用的所有 Subnet 的路由表。每个路由表需要添加两个路由项，以集群 1 的某个路由表为例：</p><table><thead><tr><th>Destination</th><th>Target</th><th>Status</th><th>Propagated</th></tr></thead><tbody><tr><td>${cidr_block_2}</td><td>${vpc_peering_id_12}</td><td>Active</td><td>No</td></tr><tr><td>${cidr_block_3}</td><td>${vpc_peering_id_13}</td><td>Active</td><td>No</td></tr></tbody></table><p>每个路由项的 <strong>Destination</strong> 为另一个集群的 CIDR block，<strong>Target</strong> 为这两个集群的 VPC peering ID。</p></li></ol><h3 id="更新实例的安全组" style="position:relative"><a href="#%E6%9B%B4%E6%96%B0%E5%AE%9E%E4%BE%8B%E7%9A%84%E5%AE%89%E5%85%A8%E7%BB%84" aria-label="更新实例的安全组 permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>更新实例的安全组</h3><ol><li><p>更新集群 1 的安全组：</p><ol><li><p>进入 <a href="https://us-west-2.console.aws.amazon.com/ec2/v2/home#SecurityGroups" target="_blank" referrerpolicy="no-referrer-when-downgrade"><strong>AWS Security Groups 控制台</strong></a>，找到集群 1 的安全组。安全组命名类似于 <code>eksctl-${cluster_1}-cluster/ClusterSharedNodeSecurityGroup</code>。</p></li><li><p>在安全组中添加 Inbound rules，以允许来自集群 2 和集群 3 的流量：</p><table><thead><tr><th>Type</th><th>Protocol</th><th>Port range</th><th>Source</th><th>Description</th></tr></thead><tbody><tr><td>All traffic</td><td>All</td><td>All</td><td>Custom ${cidr_block_2}</td><td>Allow cluster 2 to communicate with cluster 1</td></tr><tr><td>All traffic</td><td>All</td><td>All</td><td>Custom ${cidr_block_3}</td><td>Allow cluster 3 to communicate with cluster 1</td></tr></tbody></table></li></ol></li><li><p>按照步骤 1，更新集群 2 与集群 3 的安全组。</p></li></ol><h3 id="配置负载均衡器" style="position:relative"><a href="#%E9%85%8D%E7%BD%AE%E8%B4%9F%E8%BD%BD%E5%9D%87%E8%A1%A1%E5%99%A8" aria-label="配置负载均衡器 permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>配置负载均衡器</h3><p>每个集群的 CoreDNS 服务需要通过一个<a href="https://docs.aws.amazon.com/elasticloadbalancing/latest/network/introduction.html" target="_blank" referrerpolicy="no-referrer-when-downgrade">网络负载均衡器</a>暴露给其他集群。本节介绍如何配置负载均衡器。</p><ol><li><p>创建 Load Balancer Service 定义文件 <code>dns-lb.yaml</code>，其文件内容如下：</p><pre><code class="language-yaml">apiVersion: v1 kind: Service metadata: labels: k8s-app: kube-dns name: across-cluster-dns-tcp namespace: kube-system annotations: service.beta.kubernetes.io/aws-load-balancer-cross-zone-load-balancing-enabled: "true" service.beta.kubernetes.io/aws-load-balancer-type: "nlb" service.beta.kubernetes.io/aws-load-balancer-internal: "true" spec: ports: - name: dns port: 53 protocol: TCP targetPort: 53 selector: k8s-app: kube-dns type: LoadBalancer </code></pre></li><li><p>在每个集群中部署 Load Balancer Service。</p><pre><code class="language-bash">kubectl --context ${context_1} apply -f dns-lb.yaml kubectl --context ${context_2} apply -f dns-lb.yaml kubectl --context ${context_3} apply -f dns-lb.yaml </code></pre></li><li><p>获取各集群的负载均衡器的名字，并等待所有集群的负载均衡器变为 <code>Active</code> 状态。</p><p>使用以下命令来查询三个集群的负载均衡器的名字。</p><pre><code class="language-bash">lb_name_1=$(kubectl --context ${context_1} -n kube-system get svc across-cluster-dns-tcp -o jsonpath="{.status.loadBalancer.ingress[0].hostname}" | cut -d - -f 1) lb_name_2=$(kubectl --context ${context_2} -n kube-system get svc across-cluster-dns-tcp -o jsonpath="{.status.loadBalancer.ingress[0].hostname}" | cut -d - -f 1) lb_name_3=$(kubectl --context ${context_3} -n kube-system get svc across-cluster-dns-tcp -o jsonpath="{.status.loadBalancer.ingress[0].hostname}" | cut -d - -f 1) </code></pre><p>执行以下命名来查看三个集群的负载均衡器的状态，所有的命令输出结果都为 "active" 时，表明负载均衡器为 <code>Active</code> 状态。</p><pre><code class="language-bash">aws elbv2 describe-load-balancers --names ${lb_name_1} --region ${region_1} --query 'LoadBalancers[*].State' --output text aws elbv2 describe-load-balancers --names ${lb_name_2} --region ${region_2} --query 'LoadBalancers[*].State' --output text aws elbv2 describe-load-balancers --names ${lb_name_3} --region ${region_3} --query 'LoadBalancers[*].State' --output text </code></pre><details><summary>点击查看期望输出</summary><pre><code>active active active</code></pre></details></li><li><p>查询各集群的负载均衡器关联的 IP 地址。</p><p>以集群 1 为例，执行下面命令查询集群 1 的负载均衡器关联的所有 IP 地址。</p><pre><code class="language-bash">aws ec2 describe-network-interfaces --region ${region_1} --filters Name=description,Values="ELB net/${lb_name_1}*" --query 'NetworkInterfaces[*].PrivateIpAddress' --output text </code></pre><details><summary>点击查看期望输出</summary><pre><code>10.1.175.233 10.1.144.196</code></pre></details><p>后文中，将各集群的负载均衡器关联 IP 地址称为 <code>${lb_ip_list_1}</code>、<code>${lb_ip_list_2}</code> 与 <code>${lb_ip_list_3}</code>。</p><p>不同 Region 的负载均衡器可能有着不同数量的 IP 地址。例如上述示例中，<code>${lb_ip_list_1}</code> 就是 <code>10.1.175.233 10.1.144.196</code> 。</p></li></ol><h3 id="配置-coredns" style="position:relative"><a href="#%E9%85%8D%E7%BD%AE-coredns" aria-label="配置 coredns permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>配置 CoreDNS</h3><p>为了让集群中的 Pod 能够访问其他集群的 Service，你需要配置每个集群的 CoreDNS 服务，使其能够转发 DNS 请求给其他集群的 CoreDNS 服务。</p><p>你可以通过修改 CoreDNS 对应的 ConfigMap 来进行配置。如需了解更多配置项，参考 <a href="https://kubernetes.io/docs/tasks/administer-cluster/dns-custom-nameservers/#coredns" target="_blank" referrerpolicy="no-referrer-when-downgrade">Customizing DNS Service</a>。</p><ol><li><p>修改集群 1 的 CoreDNS 配置。</p><ol><li><p>备份当前的 CoreDNS 配置：</p><pre><code class="language-bash">kubectl --context ${context_1} -n kube-system get configmap coredns -o yaml &gt; ${cluster_1}-coredns.yaml.bk </code></pre></li><li><p>修改 ConfigMap：</p><pre><code class="language-bash">kubectl --context ${context_1} -n kube-system edit configmap coredns </code></pre><p>修改 <code>data.Corefile</code> 字段如下，其中 <code>${namespace_2}</code> 和 <code>${namespace_3}</code> 分别为集群 2 和集群 3 将要部署的 TidbCluster 所在的 namespace。</p><style data-emotion="css 1weqspv">.css-1weqspv{padding-top:0.5rem;padding-bottom:0.5rem;}.css-1weqspv .MuiAlert-message p{margin-bottom:0px;margin-top:0px;}</style><div class="MuiBox-root css-1weqspv"><style data-emotion="css 1rl2db2">.css-1rl2db2{font-size:0.875rem;line-height:1.25rem;font-family:"Helvetica Neue","sans-serif";font-weight:400;font-style:normal;color:rgb(95, 33, 32);background-color:rgb(253, 237, 237);display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;padding:6px 16px;}.css-1rl2db2 .MuiAlert-icon{color:#ef5350;}</style><style data-emotion="css 21rxh6">.css-21rxh6{background-color:#fff;color:rgba(0, 0, 0, 0.87);-webkit-transition:box-shadow 300ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;transition:box-shadow 300ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;border-radius:4px;box-shadow:none;font-size:0.875rem;line-height:1.25rem;font-family:"Helvetica Neue","sans-serif";font-weight:400;font-style:normal;color:rgb(95, 33, 32);background-color:rgb(253, 237, 237);display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;padding:6px 16px;}.css-21rxh6 .MuiAlert-icon{color:#ef5350;}</style><div class="MuiPaper-root MuiPaper-elevation MuiPaper-rounded MuiPaper-elevation0 MuiAlert-root MuiAlert-standardError MuiAlert-standard css-21rxh6" role="alert"><style data-emotion="css 1l54tgj">.css-1l54tgj{margin-right:12px;padding:7px 0;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;font-size:22px;opacity:0.9;}</style><div class="MuiAlert-icon css-1l54tgj"><style data-emotion="css 1cw4hi4">.css-1cw4hi4{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;width:1em;height:1em;display:inline-block;fill:currentColor;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;-webkit-transition:fill 200ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;transition:fill 200ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;font-size:inherit;}</style><svg class="MuiSvgIcon-root MuiSvgIcon-fontSizeInherit css-1cw4hi4" focusable="false" aria-hidden="true" viewbox="0 0 24 24" data-testid="ErrorOutlineIcon"><path d="M11 15h2v2h-2zm0-8h2v6h-2zm.99-5C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8z"/></svg></div><style data-emotion="css 1xsto0d">.css-1xsto0d{padding:8px 0;min-width:0;overflow:auto;}</style><div class="MuiAlert-message css-1xsto0d"><style data-emotion="css 1h2y6o4">.css-1h2y6o4{font-weight:500;margin-top:-2px;}</style><style data-emotion="css 17ioyuk">.css-17ioyuk{margin:0;font-size:1rem;line-height:1.5rem;font-family:"Helvetica Neue","sans-serif";font-weight:400;font-style:normal;color:#666666;margin-bottom:0.35em;font-weight:500;margin-top:-2px;}</style><div class="MuiTypography-root MuiTypography-body1 MuiTypography-gutterBottom MuiAlertTitle-root css-17ioyuk">警告</div><p>因为 EKS 集群无法修改集群的 cluster domain，因此我们需要使用 namespace 作为 DNS 请求转发的识别条件，所以 <code>${namespace_1}</code>、 <code>$ {namespace_2}</code> 和 <code>${namespace_3}</code> <strong>必须</strong>不一样。</p></div></div></div><pre><code class="language-yaml">apiVersion: v1 kind: ConfigMap # ... data: Corefile: | .:53 { # ... 默认配置不修改 ${namespace_2}.svc.cluster.local:53 { errors cache 30 forward . ${lb_ip_list_2} { force_tcp ${namespace_3}.svc.cluster.local:53 { errors cache 30 forward . ${lb_ip_list_3} { force_tcp </code></pre></li><li><p>等待 CoreDNS 重新加载配置，大约需要 30s 左右。</p></li></ol></li><li><p>以步骤 1 为例，修改集群 2 和集群 3 的 CoreDNS 配置。</p><p>对于每个集群的 CoreDNS 配置，你需要将 <code>${namespace_2}</code> 与 <code>${namespace_3}</code> 修改为另外两个集群将要部署 TidbCluster 的 namespace，将配置中的 IP 地址配置为另外两个集群的 Load Balancer 的 IP 地址。</p></li></ol><p>后文中，使用 <code>${namespace_1}</code>、<code>${namespace_2}</code> 与 <code>${namespace_3}</code> 分别代表各个集群的将要部署的 TidbCluster 所在的 namespace。</p><h2 id="第-3-步验证网络连通性" style="position:relative"><a href="#%E7%AC%AC-3-%E6%AD%A5%E9%AA%8C%E8%AF%81%E7%BD%91%E7%BB%9C%E8%BF%9E%E9%80%9A%E6%80%A7" aria-label="第 3 步验证网络连通性 permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>第 3 步：验证网络连通性</h2><p>在部署 TiDB 集群之前，你需要先验证多个集群之间的网络连通性。</p><ol><li><p>将下面定义保存到 <code>sample-nginx.yaml</code> 文件。</p><pre><code class="language-yaml">apiVersion: v1 kind: Pod metadata: name: sample-nginx labels: app: sample-nginx spec: hostname: sample-nginx subdomain: sample-nginx-peer containers: - image: nginx:1.21.5 imagePullPolicy: IfNotPresent name: nginx ports: - name: http containerPort: 80 restartPolicy: Always apiVersion: v1 kind: Service metadata: name: sample-nginx-peer spec: ports: - port: 80 selector: app: sample-nginx clusterIP: None </code></pre></li><li><p>在三个集群对应的命名空间下部署 NGINX 服务。</p><pre><code class="language-bash">kubectl --context ${context_1} -n ${namespace_1} apply -f sample-nginx.yaml kubectl --context ${context_2} -n ${namespace_2} apply -f sample-nginx.yaml kubectl --context ${context_3} -n ${namespace_3} apply -f sample-nginx.yaml </code></pre></li><li><p>访问其他集群的 NGINX 服务，验证网络是否连通。</p><p>以验证集群 1 到集群 2 的网络连通性为例，执行以下命令。</p><pre><code class="language-bash">kubectl --context ${context_1} -n ${namespace_1} exec sample-nginx -- curl http://sample-nginx.sample-nginx-peer.${namespace_2}.svc.cluster.local:80 </code></pre><p>如果输出为 NGINX 的欢迎页面，那么就表明网络是正常连通的。</p></li><li><p>验证完成后，执行以下命令删除 NGINX 服务。</p><pre><code class="language-bash">kubectl --context ${context_1} -n ${namespace_1} delete -f sample-nginx.yaml kubectl --context ${context_2} -n ${namespace_2} delete -f sample-nginx.yaml kubectl --context ${context_3} -n ${namespace_3} delete -f sample-nginx.yaml </code></pre></li></ol><h2 id="第-4-步部署-tidb-operator" style="position:relative"><a href="#%E7%AC%AC-4-%E6%AD%A5%E9%83%A8%E7%BD%B2-tidb-operator" aria-label="第 4 步部署 tidb operator permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>第 4 步：部署 TiDB Operator</h2><p>每个集群的 TidbCluster CR 由当前集群的 TiDB Operator 管理，因此每个集群都需要部署 TiDB Operator。</p><p>参考<a href="/zh/tidb-in-kubernetes/stable/deploy-tidb-operator">在 Kubernetes 上部署 TiDB Operator</a> 部署 TiDB Operator 到每个 EKS 集群。区别在于，你需要通过命令 <code>kubectl --context ${context}</code> 与 <code>helm --kube-context ${context}</code> 来为每个 EKS 集群部署 TiDB Operator。</p><h2 id="第-5-步部署-tidb-集群" style="position:relative"><a href="#%E7%AC%AC-5-%E6%AD%A5%E9%83%A8%E7%BD%B2-tidb-%E9%9B%86%E7%BE%A4" aria-label="第 5 步部署 tidb 集群 permalink" class="anchor before"><svg aria-hidden="true" focusable="false" height="16" version="1.1" viewbox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"/></svg></a>第 5 步：部署 TiDB 集群</h2><p>参考<a href="/zh/tidb-in-kubernetes/stable/deploy-tidb-cluster-across-multiple-kubernetes">跨多个 Kubernetes 集群部署 TiDB 集群</a>，为每个集群部署一个 TidbCluster CR。需要注意的是：</p><ul><li><strong>必须</strong>将各集群的 TidbCluster 部署到<a href="#%E9%85%8D%E7%BD%AE-coredns">配置 CoreDNS</a> 一节中对应的 namespace 下，否则 TiDB 集群运行将会失败。</li><li>各集群的 cluster domain <strong>必须</strong> 设置为 "cluster.local"。</li></ul><p>例如，部署初始集群的 TidbCluster CR 到集群 1 时，将 <code>metadata.namespace</code> 指定为 <code>${namespace_1}</code>:</p><pre><code class="language-yaml">apiVersion: pingcap.com/v1alpha1 kind: TidbCluster metadata: name: ${tc_name_1}