forked from docs/doc-exports
Dong, Qiu Jian
e743e7f7b8
Reviewed-by: Eotvos, Oliver <oliver.eotvos@t-systems.com> Co-authored-by: Dong, Qiu Jian <qiujiandong1@huawei.com> Co-committed-by: Dong, Qiu Jian <qiujiandong1@huawei.com>
23 lines
4.1 KiB
HTML
23 lines
4.1 KiB
HTML
<a name="asm_01_0086"></a><a name="asm_01_0086"></a>
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<h1 class="topictitle1">Uninstalling a Service Mesh</h1>
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<div id="body0000001210431052"><div class="section" id="asm_01_0086__en-us_topic_0000001233246629_section7549333407"><h4 class="sectiontitle">Scenarios</h4><p id="asm_01_0086__en-us_topic_0000001233246629_p13506115164417">If you no longer need a service mesh, you can uninstall it.</p>
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<div class="section" id="asm_01_0086__en-us_topic_0000001233246629_section1099812136478"><h4 class="sectiontitle">Constraints</h4><ul id="asm_01_0086__en-us_topic_0000001233246629_ul9996319104819"><li id="asm_01_0086__en-us_topic_0000001233246629_li56665210482">To uninstall a service mesh in which a grayscale release task is running, you need to complete the grayscale release first.</li><li id="asm_01_0086__en-us_topic_0000001233246629_li7988148121612">You need to ensure available nodes exist in the clusters for running the cleanup task to avoid uninstallation failure.</li></ul>
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<div class="section" id="asm_01_0086__section66831866261"><h4 class="sectiontitle">Procedure</h4><ol id="asm_01_0086__en-us_topic_0000001233246629_ol13341319164012"><li id="asm_01_0086__li2790345102618"><span>Log in to the ASM console.</span></li><li id="asm_01_0086__en-us_topic_0000001233246629_li434101915404"><span>Click <span><img id="asm_01_0086__image19970230134618" src="en-us_image_0000001255111219.png"></span> in the service mesh.</span></li><li id="asm_01_0086__en-us_topic_0000001233246629_li1424023724312"><span>On the dialogue box displayed, select whether to restart existing services and read the precautions.</span><p><p id="asm_01_0086__en-us_topic_0000001233246629_p7846131215117">By default, existing services are not restarted during the uninstallation. The injected istio-poxy sidecar is removed only after the existing services are restarted. If you want to restart the services, select <strong id="asm_01_0086__b19442022154616">Yes</strong>. Restarting the services will interrupt your services temporarily.</p>
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<div class="note" id="asm_01_0086__note1480104418566"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="asm_01_0086__p8801164415563">You are advised to restart existing services to avoid the following exceptions: If the cluster enables the current mesh again after it is uninstalled, gateway access failed.</p>
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</div></div>
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<ul id="asm_01_0086__en-us_topic_0000001233246629_ul208862207544"><li id="asm_01_0086__en-us_topic_0000001233246629_li38863209544">Uninstalling a service mesh will uninstall its control plane components and data plane sidecars.</li><li id="asm_01_0086__en-us_topic_0000001233246629_li198861320195413">After the uninstallation, service gateways of applications cannot be used. Configure Services for external access to applications.<p id="asm_01_0086__en-us_topic_0000001233246629_p2075734025514"><a name="asm_01_0086__en-us_topic_0000001233246629_li198861320195413"></a><a name="en-us_topic_0000001233246629_li198861320195413"></a>To update the external access mode, log in to the CCE console and click the cluster name to go to the cluster console. Then, choose <strong id="asm_01_0086__b6890105019318">Services & Ingresses</strong> > <strong id="asm_01_0086__b7901253183119">Services</strong>.</p>
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</li><li id="asm_01_0086__en-us_topic_0000001233246629_li338853717588">Uninstalling a service mesh will delete the labels of the Istio exclusive nodes, but the Istio-master node will not be automatically deleted. You can delete it on the CCE console.<p id="asm_01_0086__en-us_topic_0000001233246629_p0805412135912"><a name="asm_01_0086__en-us_topic_0000001233246629_li338853717588"></a><a name="en-us_topic_0000001233246629_li338853717588"></a>To view node information, log in to the CCE console and click the cluster name to go to the cluster console. In the navigation pane on the left, choose <strong id="asm_01_0086__b10143645153018">Nodes</strong> > <strong id="asm_01_0086__b1894316482307">Nodes</strong>.</p>
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</li></ul>
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</p></li></ol>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="asm_01_0023.html">Mesh Management</a></div>
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</div>
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