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class="docMainContainer_Q970"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_zHA2"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>This is documentation for Apache APISIX® -- Cloud-Native API Gateway and AI Gateway <b>3.11</b>, which is no longer actively maintained.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/docs/apisix/plugins/openfunction/">latest version</a></b> (3.14).</div></div><div class="docItemContainer_oiyr"><article><span class="theme-doc-version-badge badge badge--secondary">Version: 3.11</span><div class="tocCollapsible_aw-L theme-doc-toc-mobile tocMobile_Tx6Y"><button type="button" class="clean-btn tocCollapsibleButton_zr6a">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>openfunction</h1></header><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="description"></a>Description<a class="hash-link" href="#description" title="Direct link to heading">#</a></h2><p>The <code>openfunction</code> Plugin is used to integrate APISIX with <a href="https://openfunction.dev/" target="_blank" rel="noopener noreferrer">CNCF OpenFunction</a> serverless platform.</p><p>This Plugin can be configured on a Route and requests will be sent to the configured OpenFunction API endpoint as the upstream.</p><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="attributes"></a>Attributes<a class="hash-link" href="#attributes" title="Direct link to heading">#</a></h2><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Default</th><th>Valid values</th><th>Description</th></tr></thead><tbody><tr><td>function_uri</td><td>string</td><td>True</td><td></td><td></td><td>function uri. For example, <code>https://localhost:30858/default/function-sample</code>.</td></tr><tr><td>ssl_verify</td><td>boolean</td><td>False</td><td>true</td><td></td><td>When set to <code>true</code> verifies the SSL certificate.</td></tr><tr><td>authorization</td><td>object</td><td>False</td><td></td><td></td><td>Authorization credentials to access functions of OpenFunction.</td></tr><tr><td>authorization.service_token</td><td>string</td><td>False</td><td></td><td></td><td>The token format is 'xx:xx' which supports basic auth for function entry points.</td></tr><tr><td>timeout</td><td>integer</td><td>False</td><td>3000 ms</td><td>[100, ...] ms</td><td>OpenFunction action and HTTP call timeout in ms.</td></tr><tr><td>keepalive</td><td>boolean</td><td>False</td><td>true</td><td></td><td>When set to <code>true</code> keeps the connection alive for reuse.</td></tr><tr><td>keepalive_timeout</td><td>integer</td><td>False</td><td>60000 ms</td><td>[1000,...] ms</td><td>Time is ms for connection to remain idle without closing.</td></tr><tr><td>keepalive_pool</td><td>integer</td><td>False</td><td>5</td><td>[1,...]</td><td>Maximum number of requests that can be sent on this connection before closing it.</td></tr></tbody></table><div class="admonition admonition-note alert alert--secondary"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="16" viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</h5></div><div class="admonition-content"><p>The <code>timeout</code> attribute sets the time taken by the OpenFunction to execute, and the timeout for the HTTP client in APISIX. OpenFunction calls may take time to pull the runtime image and start the container. So, if the value is set too small, it may cause a large number of requests to fail.</p></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="prerequisites"></a>Prerequisites<a class="hash-link" href="#prerequisites" title="Direct link to heading">#</a></h2><p>Before configuring the plugin, you need to have OpenFunction running. |
| Installation of OpenFunction requires a certain version Kubernetes cluster. |
| For details, please refer to <a href="https://openfunction.dev/docs/getting-started/installation/" target="_blank" rel="noopener noreferrer">Installation</a>.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithHideOnScrollNavbar_3ly5" id="create-and-push-a-function"></a>Create and Push a Function<a class="hash-link" href="#create-and-push-a-function" title="Direct link to heading">#</a></h3><p>You can then create a function following the <a href="https://github.com/OpenFunction/samples" target="_blank" rel="noopener noreferrer">sample</a></p><p>You'll need to push your function container image to a container registry like Docker Hub or Quay.io when building a function. To do that, you'll need to generate a secret for your container registry first.</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 shell"><pre tabindex="0" class="prism-code language-shell codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token assign-left variable" style="color:#36acaa">REGISTRY_SERVER</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">https://index.docker.io/v1/ </span><span class="token assign-left variable" style="color:#36acaa">REGISTRY_USER</span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token variable" style="color:#36acaa">${your_registry_user}</span><span class="token plain"> </span><span class="token assign-left variable" style="color:#36acaa">REGISTRY_PASSWORD</span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token variable" style="color:#36acaa">${your_registry_password}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">kubectl create secret docker-registry push-secret </span><span class="token punctuation" style="color:#393A34">\</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> --docker-server</span><span class="token operator" style="color:#393A34">=</span><span class="token variable" style="color:#36acaa">$REGISTRY_SERVER</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">\</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> --docker-username</span><span class="token operator" style="color:#393A34">=</span><span class="token variable" style="color:#36acaa">$REGISTRY_USER</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">\</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> --docker-password</span><span class="token operator" style="color:#393A34">=</span><span class="token variable" style="color:#36acaa">$REGISTRY_PASSWORD</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="enable-the-plugin"></a>Enable the Plugin<a class="hash-link" href="#enable-the-plugin" title="Direct link to heading">#</a></h2><p>You can now configure the Plugin on a specific Route and point to this running OpenFunction service:</p><div class="admonition admonition-note alert alert--secondary"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="16" viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</h5></div><div class="admonition-content"><p>You can fetch the <code>admin_key</code> from <code>config.yaml</code> and save to an environment variable with the following command:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token assign-left variable" style="color:#36acaa">admin_key</span><span class="token operator" style="color:#393A34">=</span><span class="token variable" style="color:#36acaa">$(</span><span class="token variable" style="color:#36acaa">yq </span><span class="token variable string" style="color:#e3116c">'.deployment.admin.admin_key[0].key'</span><span class="token variable" style="color:#36acaa"> conf/config.yaml </span><span class="token variable operator" style="color:#393A34">|</span><span class="token variable" style="color:#36acaa"> </span><span class="token variable function" style="color:#d73a49">sed</span><span class="token variable" style="color:#36acaa"> </span><span class="token variable string" style="color:#e3116c">'s/"//g'</span><span class="token variable" style="color:#36acaa">)</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div></div></div><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 shell"><pre tabindex="0" class="prism-code language-shell codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> http://127.0.0.1:9180/apisix/admin/routes/1 -H </span><span class="token string" style="color:#e3116c">"X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">"</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">'</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">{</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "uri": "/hello",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "plugins": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "openfunction": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "function_uri": "http://localhost:3233/default/function-sample/test",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "authorization": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "service_token": "test:test"</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">}'</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="example-usage"></a>Example usage<a class="hash-link" href="#example-usage" title="Direct link to heading">#</a></h2><p>Once you have configured the plugin, you can send a request to the Route and it will invoke the configured function:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 shell"><pre tabindex="0" class="prism-code language-shell codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> -i http://127.0.0.1:9080/hello</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><p>This will give back the response from the function:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 bash"><pre tabindex="0" class="prism-code language-bash codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token plain">hello, test</span><span class="token operator" style="color:#393A34">!</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithHideOnScrollNavbar_3ly5" id="configure-path-transforming"></a>Configure Path Transforming<a class="hash-link" href="#configure-path-transforming" title="Direct link to heading">#</a></h3><p>The <code>OpenFunction</code> Plugin also supports transforming the URL path while proxying requests to the OpenFunction API endpoints. Extensions to the base request path get appended to the <code>function_uri</code> specified in the Plugin configuration.</p><div class="admonition admonition-info alert alert--info"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="16" viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>IMPORTANT</h5></div><div class="admonition-content"><p>The <code>uri</code> configured on a Route must end with <code>*</code> for this feature to work properly. APISIX Routes are matched strictly and the <code>*</code> implies that any subpath to this URI would be matched to the same Route.</p></div></div><p>The example below configures this feature:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 shell"><pre tabindex="0" class="prism-code language-shell codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> http://127.0.0.1:9180/apisix/admin/routes/1 -H </span><span class="token string" style="color:#e3116c">"X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">"</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">'</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">{</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "uri": "/hello/*",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "plugins": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "openfunction": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "function_uri": "http://localhost:3233/default/function-sample",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "authorization": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "service_token": "test:test"</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">}'</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><p>Now, any requests to the path <code>hello/123</code> will invoke the OpenFunction, and the added path is forwarded:</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 shell"><pre tabindex="0" class="prism-code language-shell codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> http://127.0.0.1:9080/hello/123</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 shell"><pre tabindex="0" class="prism-code language-shell codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token plain">Hello, </span><span class="token number" style="color:#36acaa">123</span><span class="token operator" style="color:#393A34">!</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="delete-plugin"></a>Delete Plugin<a class="hash-link" href="#delete-plugin" title="Direct link to heading">#</a></h2><p>To remove the <code>openfunction</code> Plugin, you can delete the corresponding JSON configuration from the Plugin configuration. APISIX will automatically reload and you do not have to restart for this to take effect.</p><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 shell"><pre tabindex="0" class="prism-code language-shell codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> http://127.0.0.1:9180/apisix/admin/routes/1 -H </span><span class="token string" style="color:#e3116c">"X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">"</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">'</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">{</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "methods": ["GET"],</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "uri": "/index.html",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "upstream": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "type": "roundrobin",</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "nodes": {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> "127.0.0.1:1980": 1</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> }</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">}'</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="/edit#https://github.com/apache/apisix/edit/release/3.11/docs/en/latest/plugins/openfunction.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_mS5F" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_mt2f"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages 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