mirror of https://github.com/istio/istio.io.git
Fix some proofing errors.
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mtail
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73aedcda73
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@ -13,7 +13,6 @@ us. Please feel free to borrow these:
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<table>
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<tbody>
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<tr>
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<td class="logo"><img src="/img/istio-logo-blue-background.svg" alt="White logo with 'Istio Blue' background"></td>
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<td class="logo"><img style="background-color: lightgrey" src="/img/istio-logo.svg" alt="White logo with no background"></td>
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@ -21,7 +20,6 @@ us. Please feel free to borrow these:
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White logo in minimal container, with and without <i>Istio Blue</i> background
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</td>
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</tr>
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<tr>
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<td class="logo"><img src="/img/istio-logo-social-blue-background.svg" alt="White logo with 'Istio Blue' background, square container"></td>
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<td class="logo"><img style="background-color: lightgrey" src="/img/istio-logo-social.svg" alt="White logo with no background, square container"></td>
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@ -29,7 +27,6 @@ us. Please feel free to borrow these:
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White logo in square container, with and without <i>Istio Blue</i> background
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</td>
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</tr>
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<tr>
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<td class="logo"><img src="/img/istio-blue-logo-white-background.svg" alt="'Istio Blue` logo with white background"></td>
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<td class="logo"><img style="background-color: lightgrey" src="/img/istio-blue-logo.svg" alt="`Istio Blue` logo with no background"></td>
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@ -37,7 +34,6 @@ us. Please feel free to borrow these:
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<i>Istio Blue</i> logo in minimal container, with and without white background
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</td>
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</tr>
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<tr>
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<td class="logo"><img src="/img/istio-blue-logo-social-white-background.svg" alt="'Istio Blue` logo with white background, square container"></td>
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<td class="logo"><img style="background-color: lightgrey" src="/img/istio-blue-logo-social.svg" alt="'Istio Blue` logo with no background, square container"></td>
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@ -45,7 +41,6 @@ us. Please feel free to borrow these:
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<i>Istio Blue</i> logo in square container, with and without white background
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</td>
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</tr>
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</tbody>
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</table>
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@ -84,12 +79,11 @@ Here's some advice about using these images:
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<li><i class="dont fa fa-times"></i> Use the Istio logo for your application’s icon</li>
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<li><i class="dont fa fa-times"></i> Create a modified version of the Istio logo</li>
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<li><i class="dont fa fa-times"></i> Integrate the Istio logo into your logo</li>
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<li><i class="dont fa fa-times"></i> Change the colors or aspect ratio</li>
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<li><i class="dont fa fa-times"></i> Change the Istio logo's colors or aspect ratio</li>
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</ul>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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@ -181,7 +181,7 @@ sleep-776b7bcdcd-gmvnr 1/1 Running 0 2s
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#### Understanding what happened
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[admissionregistration.k8s.io/v1beta1#MutatingWebhookConfiguration](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.10/##mutatingwebhookconfiguration-v1beta1-admissionregistration-k8s-io)
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[admissionregistration.k8s.io/v1beta1#MutatingWebhookConfiguration](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.10/#mutatingwebhookconfiguration-v1beta1-admissionregistration-k8s-io)
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configures when the webhook is invoked by Kubernetes. The default
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supplied with Istio selects pods in namespaces with label
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`istio-injection=enabled`. The set of namespaces in which injection
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@ -64,7 +64,7 @@ sleep 1 1 1 1 2h sleep,istio-pro
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### Sidecar 的自动注入
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使用 Kubernetes 的 [mutating webhook admission controller](https://kubernetes.io/docs/admin/admission-controllers/#validatingadmissionwebhook-alpha-in-18-beta-in-19)，可以进行 Sidecar 的自动注入。Kubernetes 1.9 以后的版本才具备这一能力。使用这一功能之前首先要检查 kube-apiserver 的进程，是否具备 `admission-control` 参数，并且这个参数的值中需要包含 `MutatingAdmissionWebhook` 以及 `ValidatingAdmissionWebhook` 两项，并且按照正确的顺序加载，这样才能启用 `admissionregistration` API：
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使用 Kubernetes 的 [mutating webhook admission controller](https://kubernetes.io/docs/admin/admission-controllers)，可以进行 Sidecar 的自动注入。Kubernetes 1.9 以后的版本才具备这一能力。使用这一功能之前首先要检查 kube-apiserver 的进程，是否具备 `admission-control` 参数，并且这个参数的值中需要包含 `MutatingAdmissionWebhook` 以及 `ValidatingAdmissionWebhook` 两项，并且按照正确的顺序加载，这样才能启用 `admissionregistration` API：
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{{< text bash >}}
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$ kubectl api-versions | grep admissionregistration
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@ -146,7 +146,7 @@ sleep-776b7bcdcd-gmvnr 1/1 Running 0 2s
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#### 了解发生了什么
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被 Kubernetes 调用时，[admissionregistration.k8s.io/v1beta1#MutatingWebhookConfiguration](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.10/#mutatingwebhookconfiguration-v1beta1-admissionregistration) 会进行配置。Istio 提供的缺省配置，会在带有 `istio-injection=enabled` 标签的命名空间中选择 Pod。使用 `kubectl edit mutatingwebhookconfiguration istio-sidecar-injector` 命令可以编辑目标命名空间的范围。
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被 Kubernetes 调用时，[admissionregistration.k8s.io/v1beta1#MutatingWebhookConfiguration](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.10) 会进行配置。Istio 提供的缺省配置，会在带有 `istio-injection=enabled` 标签的命名空间中选择 Pod。使用 `kubectl edit mutatingwebhookconfiguration istio-sidecar-injector` 命令可以编辑目标命名空间的范围。
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> {{< warning_icon >}} 修改 mutatingwebhookconfiguration 之后，应该重新启动已经被注入 Sidecar 的 Pod。
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