<p class="shortdesc">本文主要介绍如何创建应用灰度发布任务。</p> <section class="section prereq" id="createU__prereq_pbn_4g2_vvb"><div class="tasklabel"><h2 class="doc-tairway">前提条件</h2></div> <ul class="ul" id="createU__d99e20"> <li class="li">您已成功创建管理集群，可参考<a class="xref" href="/ssr/help/compute/caas/Operation_Guide.Cluster_Management.Master_Cluster.create" target="_blank" rel="external noopener">创建管理集群</a>。</li> <li class="li">您已成功创建业务集群，可参考<a class="xref" href="/ssr/help/compute/caas/Operation_Guide.Cluster_Management.worker.create" target="_blank" rel="external noopener">创建业务集群</a>。</li> <li class="li">您已成功创建无状态应用，可参考<a class="xref" href="/ssr/help/compute/caas/Operation_Guide.Service_Management.Deployment.create" target="_blank" rel="external noopener">创建无状态应用</a>。</li> </ul> </section> <section class="section context" id="createU__context_w5d_jdj_vvb"><div class="tasklabel"><h2 class="doc-tairway">背景信息</h2></div> <p class="p">灰度发布是为新版本创建一个与老版本完全一致的生产环境，在不影响老版本的前提下，按照一定的规则把部分流量切换到新版本，当新版本试运行一段时间没有问题后，将用户的全量流量从老版本迁移至新版本。</p> <p class="p">其中AB测试就是一种灰度发布方式，一部分用户继续使用老版本的服务，将一部分用户的流量切换到新版本，如果新版本运行稳定，则逐步将所有用户迁移到新版本。</p> </section> <section class="section attention" id="createU__attention_ndt_1tk_vvb"><div class="tasklabel"><h2 class="doc-tairway">注意事项</h2></div> <p class="p">同一个应用同时只可创建一个灰度发布任务。</p> </section> <section id="createU__steps_tfn_kxt_fvb"><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps" id="createU__steps_tfn_kxt_fvb"><li class="li step stepexpand"> <span class="ph cmd">登录<a class="xref" href="https://www.ocftcloud.com/console/caas/overview" target="_blank" rel="external noopener">容器服务CaaS控制台</a>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击左侧导航栏<span class="ph uicontrol">应用发布</span>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">单击页面右上角的<span class="ph uicontrol">创建</span>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">根据如下信息，创建应用灰度发布任务。</span> <div class="itemgroup info"> <table class="table frame-all" id="createU__table_pn3_nxt_fvb"><caption></caption><colgroup><col style="width:20.161290322580648%"><col style="width:26.814516129032263%"><col style="width:53.0241935483871%"></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="createU__table_pn3_nxt_fvb__entry__1" colspan="2"> <p class="p">配置项</p> </th> <th class="entry" id="createU__table_pn3_nxt_fvb__entry__2"> <p class="p">说明</p> </th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 " rowspan="9"> <p class="p">基本信息配置</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">发布任务名称</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">设置发布任务的名称。</p> <div class="note note note_note"><span class="note__title">说明：</span> 名称长度需为6~63个字符，包含小写字母、数字和下划线，并以字母或者数字开头。</div> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">发布类型</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">不可修改，系统默认为灰度发布。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">发布版本号</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">设置发布版本号。</p> <div class="note note note_note"><span class="note__title">说明：</span> 以0~999跟.组成的版本号，格式为xxx.xxx.xxx，如1.0.0。</div> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">描述信息</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">填写发布任务的描述信息，便于后续统一管理。</p> <div class="note note note_note"><span class="note__title">说明：</span> 最长支持250个字符。</div> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">地域</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">选择发布任务的地域。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">管理集群</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">选择发布任务所属的管理集群。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">业务集群</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">选择发布任务所属的业务集群。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">待灰度（老版本）应用</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">选择待灰度发布的应用（老版本）。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">灰度（新版本）应用</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">选择灰度发布的应用（新版本）。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 " rowspan="6"> <p class="p">策略参数</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">发布策略</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">不可修改，系统默认为<span class="ph uicontrol">基于流量配比</span>。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">待灰度流量配比（%）</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">不可修改，系统默认为50%。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">待灰度实例数</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">设置设置待灰度发布的实例数量。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">灰度流量配比（%）</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">设置需要进行灰度发布的流量配比。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">灰度实例数</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">设置需要进行灰度发布的实例数量。</p> </td> </tr> <tr class="row"> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__1 "> <p class="p">规则描述信息</p> </td> <td class="entry" headers="createU__table_pn3_nxt_fvb__entry__2 "> <p class="p">填写发布任务的描述信息，便于后续统一管理。</p> <div class="note note note_note"><span class="note__title">说明：</span> 长度最长支持250个字符。</div> </td> </tr> </tbody></table> </div> </li><li class="li step stepexpand"> <span class="ph cmd">单击<span class="ph uicontrol">确认</span>。</span> </li></ol></section> <section class="section result" id="createU__result_khh_dyt_fvb"><div class="tasklabel"><h2 class="doc-tairway">执行结果</h2></div> <p class="p">在<span class="keyword wintitle">应用发布任务列表</span>页面，可查看到已成功创建的灰度发布任务。</p> </section>