doc-exports/docs/obs/api-ref/obs_04_0040.html
zhangyue 8ba86cabc9 OBS API DOC
Reviewed-by: Sabelnikov, Dmitriy <dmitriy.sabelnikov@t-systems.com>
Co-authored-by: zhangyue <zhangyue164@huawei.com>
Co-committed-by: zhangyue <zhangyue164@huawei.com>
2024-05-28 10:01:19 +00:00

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<a name="obs_04_0040"></a><a name="obs_04_0040"></a>
<h1 class="topictitle1">Obtaining the Event Notification Configuration of a Bucket</h1>
<div id="body55047167"><div class="section" id="obs_04_0040__section5584184924715"><h4 class="sectiontitle">Functions</h4><p class="msonormal" id="obs_04_0040__p28292332">This operation obtains the notification configuration of a bucket.</p>
<p class="msonormal" id="obs_04_0040__p53304400">To perform this operation, you must have the <strong id="obs_04_0040__b11700031151215">GetBucketNotification</strong> permission. By default, the permission is granted to the bucket owner only. However, it can be granted to other users by configuring the bucket policy or user policy.</p>
</div>
<div class="section" id="obs_04_0040__section9977559"><h4 class="sectiontitle">Request Syntax</h4><div class="codecoloring" codetype="Xml" id="obs_04_0040__screen29635581"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span></pre></div></td><td class="code"><div><pre><span></span>GET<span class="w"> </span>/?notification<span class="w"> </span>HTTP/1.1<span class="w"> </span>
Host:<span class="w"> </span>bucketname.obs.region.example.com
Date:<span class="w"> </span>date
Authorization:<span class="w"> </span>authorization
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="obs_04_0040__section22689168"><h4 class="sectiontitle">Request Parameters</h4><p class="msonormal" id="obs_04_0040__p6716721">This request contains no message parameters.</p>
</div>
<div class="section" id="obs_04_0040__section2875926"><h4 class="sectiontitle">Request Headers</h4><p class="msonormal" id="obs_04_0040__p7183509">This request uses common headers. For details, see <a href="obs_04_0007.html#obs_04_0007__table25197309">Table 3</a>.</p>
</div>
<div class="section" id="obs_04_0040__section25883337"><h4 class="sectiontitle">Request Elements</h4><p class="msonormal" id="obs_04_0040__p2286966">This request involves no elements.</p>
</div>
<div class="section" id="obs_04_0040__section31623442"><h4 class="sectiontitle">Response Syntax</h4><div class="codecoloring" codetype="Xml" id="obs_04_0040__screen51026564"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal"> 1</span>
<span class="normal"> 2</span>
<span class="normal"> 3</span>
<span class="normal"> 4</span>
<span class="normal"> 5</span>
<span class="normal"> 6</span>
<span class="normal"> 7</span>
<span class="normal"> 8</span>
<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span>
<span class="normal">12</span>
<span class="normal">13</span>
<span class="normal">14</span>
<span class="normal">15</span>
<span class="normal">16</span>
<span class="normal">17</span>
<span class="normal">18</span>
<span class="normal">19</span>
<span class="normal">20</span>
<span class="normal">21</span>
<span class="normal">22</span>
<span class="normal">23</span>
<span class="normal">24</span>
<span class="normal">25</span>
<span class="normal">26</span>
<span class="normal">27</span></pre></div></td><td class="code"><div><pre><span></span>HTTP/1.1<span class="w"> </span>status_code
Content-Type:<span class="w"> </span>type
Date:<span class="w"> </span>date
Content-Length:<span class="w"> </span>length
<span class="cp">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;</span><span class="w"> </span>
<span class="nt">&lt;NotificationConfiguration</span><span class="w"> </span><span class="na">xmlns=</span><span class="s">&quot;http://obs.example.com/doc/2015-06-30/&quot;</span><span class="nt">&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;TopicConfiguration&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Id&gt;</span>ConfigurationId<span class="nt">&lt;/Id&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Filter&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Object&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;FilterRule&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Name&gt;</span>prefix<span class="nt">&lt;/Name&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Value&gt;</span>prefix-value<span class="nt">&lt;/Value&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;/FilterRule&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;FilterRule&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Name&gt;</span>suffix<span class="nt">&lt;/Name&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Value&gt;</span>suffix-value<span class="nt">&lt;/Value&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;/FilterRule&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;/Object&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;/Filter&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Topic&gt;</span>TopicARN<span class="nt">&lt;/Topic&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Event&gt;</span>event-type<span class="nt">&lt;/Event&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;Event&gt;</span>event-type<span class="nt">&lt;/Event&gt;</span><span class="w"> </span>
<span class="w"> </span>...<span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;/TopicConfiguration&gt;</span><span class="w"> </span>
<span class="nt">&lt;/NotificationConfiguration&gt;</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="obs_04_0040__section16175522"><h4 class="sectiontitle">Response Headers</h4><p class="msonormal" id="obs_04_0040__p1512332591013">The response to the request uses common headers. For details, see <a href="obs_04_0013.html#obs_04_0013__d0e686">Table 1</a>.</p>
</div>
<div class="section" id="obs_04_0040__section11361970"><h4 class="sectiontitle">Response Elements</h4><p class="msonormal" id="obs_04_0040__p56568670">This response contains elements to detail the configuration. <a href="#obs_04_0040__table6153252715448">Table 1</a> describes the elements.</p>
<div class="tablenoborder"><a name="obs_04_0040__table6153252715448"></a><a name="table6153252715448"></a><table cellpadding="4" cellspacing="0" summary="" id="obs_04_0040__table6153252715448" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Response elements for configuring event notifications</caption><thead align="left"><tr id="obs_04_0040__row50150680"><th align="left" class="cellrowborder" valign="top" width="28.28282828282828%" id="mcps1.3.8.3.2.3.1.1"><p id="obs_04_0040__p35673257">Element</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="71.71717171717171%" id="mcps1.3.8.3.2.3.1.2"><p id="obs_04_0040__p3852736">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="obs_04_0040__row43636162"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p44868249">NotificationConfiguration</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p10449581">Element for configuring the event notification function of a bucket. If this element is <strong id="obs_04_0040__b75553017460">null</strong>, the function is disabled.</p>
<p id="obs_04_0040__p26937369">Type: container</p>
<p id="obs_04_0040__p41109733">Parent: none</p>
<p id="obs_04_0040__p34443282">Child: one or more TopicConfiguration elements</p>
</td>
</tr>
<tr id="obs_04_0040__row41554090"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p10438115">TopicConfiguration</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p40180985">Element for configuring the event notification topic.</p>
<p id="obs_04_0040__p26084546">Type: container</p>
<p id="obs_04_0040__p33434323">Parent: NotificationConfiguration</p>
<p id="obs_04_0040__p32473453">Child: Id, Filter, Topic, and one or more Event elements</p>
</td>
</tr>
<tr id="obs_04_0040__row23825625"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p50827509">Topic</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p23387532">URN of the event notification topic. After detecting a specific event in the bucket, OBS sends a message to the topic.</p>
<p id="obs_04_0040__p9161202">Type: string</p>
<p id="obs_04_0040__p15341960">Parent: TopicConfiguration</p>
</td>
</tr>
<tr id="obs_04_0040__row50412549"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p56884650">Id</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p44253952">Unique ID of each event notification. If the ID is not specified, OBS automatically assigns an ID.</p>
<p id="obs_04_0040__p62741253">Type: string</p>
<p id="obs_04_0040__p27800366">Parent: TopicConfiguration</p>
</td>
</tr>
<tr id="obs_04_0040__row48876710"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p66699469">Filter</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p33947871">Element used to store rules of filtering object names.</p>
<p id="obs_04_0040__p37095389">Type: container</p>
<p id="obs_04_0040__p65423046">Parent: TopicConfiguration</p>
<p id="obs_04_0040__p51936509">Child: Object</p>
</td>
</tr>
<tr id="obs_04_0040__row64775402"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p12316210">Object</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p58088967">Element used to store rules of filtering object names.</p>
<p id="obs_04_0040__p53038657">Type: container</p>
<p id="obs_04_0040__p7585872">Parent: TopicConfiguration</p>
</td>
</tr>
<tr id="obs_04_0040__row1163988"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p27174183">FilterRule</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p53625186">Element that defines key-value pairs of the filtering rule.</p>
<p id="obs_04_0040__p12864630">Type: container</p>
<p id="obs_04_0040__p48672814">Parent: Object</p>
<p id="obs_04_0040__p35402146">Child: Name and Value</p>
</td>
</tr>
<tr id="obs_04_0040__row50183858"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p38360727">Name</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p20211205">Prefix or suffix of object names for filtering</p>
<p id="obs_04_0040__p47683118">Type: string</p>
<p id="obs_04_0040__p26494883">Parent: FilterRule</p>
<p id="obs_04_0040__p37127355">Value options: <strong id="obs_04_0040__b11186158104320">prefix</strong>, <strong id="obs_04_0040__b1484210917432">suffix</strong></p>
</td>
</tr>
<tr id="obs_04_0040__row65710745"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p20970128">Value</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p20858799">Keywords of object names so that objects can be filtered based on the prefixes or suffixes</p>
<p id="obs_04_0040__p53511470">Type: string</p>
<p id="obs_04_0040__p11841183">Parent: FilterRule</p>
</td>
</tr>
<tr id="obs_04_0040__row39461789"><td class="cellrowborder" valign="top" width="28.28282828282828%" headers="mcps1.3.8.3.2.3.1.1 "><p id="obs_04_0040__p42288329">Event</p>
</td>
<td class="cellrowborder" valign="top" width="71.71717171717171%" headers="mcps1.3.8.3.2.3.1.2 "><p id="obs_04_0040__p2802585">Type of events that need to be notified</p>
<div class="note" id="obs_04_0040__note25223266"><span class="notetitle"> NOTE: </span><div class="notebody"><p class="textintable" id="obs_04_0040__p17816446175316">Multiple event types can be added in one TopicConfiguration element.</p>
</div></div>
<p id="obs_04_0040__p29818660">Type: string</p>
<p id="obs_04_0040__p67041350">Value options:</p>
<p id="obs_04_0040__p24071933194218">The following values can be used to upload an object:</p>
<ul id="obs_04_0040__ul1538104184210"><li id="obs_04_0040__li1238174194214">ObjectCreated:Put</li><li id="obs_04_0040__li53824104219">ObjectCreated:Post</li><li id="obs_04_0040__li1438741154210">ObjectCreated:Copy</li><li id="obs_04_0040__li16381241104214">ObjectCreated:CompleteMultipartUpload</li></ul>
<p id="obs_04_0040__p20291144164114">Or use wildcard characters to support all upload operations:</p>
<ul id="obs_04_0040__ul8608204404216"><li id="obs_04_0040__li1060814494218">ObjectCreated:*</li></ul>
<p id="obs_04_0040__p1131143617425">The following values can be used to delete an object:</p>
<ul id="obs_04_0040__ul22321848124217"><li id="obs_04_0040__li122329482421">ObjectRemoved:Delete</li><li id="obs_04_0040__li72327489421">ObjectRemoved:DeleteMarkerCreated</li></ul>
<p id="obs_04_0040__p11153933104112">Or use wildcard characters to support all delete operations:</p>
<ul id="obs_04_0040__ul1853491410432"><li id="obs_04_0040__li10534111494311">ObjectRemoved:*</li></ul>
<p id="obs_04_0040__p840815203431"></p>
<p id="obs_04_0040__p66501246">Parent: TopicConfiguration</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="obs_04_0040__section35148867"><h4 class="sectiontitle">Error Responses</h4><p class="msonormal" id="obs_04_0040__p17891865">No special error responses are returned. For details about error responses, see <a href="obs_04_0115.html#obs_04_0115__d0e843">Table 2</a>.</p>
</div>
<div class="section" id="obs_04_0040__section14482163815396"><h4 class="sectiontitle">Sample Request</h4><div class="codecoloring" codetype="Xml" id="obs_04_0040__screen8484163863919"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span>
<span class="normal">6</span></pre></div></td><td class="code"><div><pre><span></span>GET<span class="w"> </span>/?notification<span class="w"> </span>HTTP/1.1
User-Agent:<span class="w"> </span>curl/7.29.0
Host:<span class="w"> </span>examplebucket.obs.region.example.com
Accept:<span class="w"> </span>*/*
Date:<span class="w"> </span>WED,<span class="w"> </span>01<span class="w"> </span>Jul<span class="w"> </span>2015<span class="w"> </span>03:16:32<span class="w"> </span>GMT
Authorization:<span class="w"> </span>OBS<span class="w"> </span>H4IPJX0TQTHTHEBQQCEC:r5+2zwPTKwupMg6lkeTUUqPcHfQ=
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="obs_04_0040__section76081155815"><h4 class="sectiontitle">Sample Response</h4><div class="codecoloring" codetype="Xml" id="obs_04_0040__screen8485113814"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal"> 1</span>
<span class="normal"> 2</span>
<span class="normal"> 3</span>
<span class="normal"> 4</span>
<span class="normal"> 5</span>
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<span class="normal">28</span></pre></div></td><td class="code"><div><pre><span></span>HTTP/1.1<span class="w"> </span>200<span class="w"> </span>OK
Server:<span class="w"> </span>OBS
x-obs-request-id:<span class="w"> </span>900B000001643FDDD751B37BA87590D8
x-obs-id-2:<span class="w"> </span>32AAAQAAEAABAAAQAAEAABAAAQAAEAABCSJRBSladan5ZCVw6ZIY/DAs0zs6z7Hh
Content-Type:<span class="w"> </span>application/xml
Date:<span class="w"> </span>WED,<span class="w"> </span>01<span class="w"> </span>Jul<span class="w"> </span>2015<span class="w"> </span>03:16:32<span class="w"> </span>GMT
Content-Length:<span class="w"> </span>490
<span class="cp">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;yes&quot;?&gt;</span>
<span class="nt">&lt;NotificationConfiguration</span><span class="w"> </span><span class="na">xmlns=</span><span class="s">&quot;http://obs.example.com/doc/2015-06-30/&quot;</span><span class="nt">&gt;</span><span class="w"> </span>
<span class="w"> </span><span class="nt">&lt;TopicConfiguration&gt;</span>
<span class="w"> </span><span class="nt">&lt;Topic&gt;</span>urn:smn:region:4b29a3cb5bd64581bda5714566814bb7:tet522<span class="nt">&lt;/Topic&gt;</span>
<span class="w"> </span><span class="nt">&lt;Id&gt;</span>ConfigurationId<span class="nt">&lt;/Id&gt;</span>
<span class="w"> </span><span class="nt">&lt;Filter&gt;</span>
<span class="w"> </span><span class="nt">&lt;Object&gt;</span>
<span class="w"> </span><span class="nt">&lt;FilterRule&gt;</span>
<span class="w"> </span><span class="nt">&lt;Name&gt;</span>prefix<span class="nt">&lt;/Name&gt;</span>
<span class="w"> </span><span class="nt">&lt;Value&gt;</span>object<span class="nt">&lt;/Value&gt;</span>
<span class="w"> </span><span class="nt">&lt;/FilterRule&gt;</span>
<span class="w"> </span><span class="nt">&lt;FilterRule&gt;</span>
<span class="w"> </span><span class="nt">&lt;Name&gt;</span>suffix<span class="nt">&lt;/Name&gt;</span>
<span class="w"> </span><span class="nt">&lt;Value&gt;</span>txt<span class="nt">&lt;/Value&gt;</span>
<span class="w"> </span><span class="nt">&lt;/FilterRule&gt;</span>
<span class="w"> </span><span class="nt">&lt;/Object&gt;</span>
<span class="w"> </span><span class="nt">&lt;/Filter&gt;</span>
<span class="w"> </span><span class="nt">&lt;Event&gt;</span>ObjectCreated:Put<span class="nt">&lt;/Event&gt;</span>
<span class="w"> </span><span class="nt">&lt;/TopicConfiguration&gt;</span>
<span class="nt">&lt;/NotificationConfiguration&gt;</span>
</pre></div></td></tr></table></div>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="obs_04_0026.html">Advanced Bucket Settings</a></div>
</div>
</div>