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alert--success"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="16" viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>tip</h5></div><div class="admonition-content"><ul><li><code>file-logger</code> plugin can count request and response data for individual routes locally, which is useful for <a href="/docs/apisix/debug-mode/">debugging</a>.</li><li><code>file-logger</code> plugin can get <a href="/docs/apisix/apisix-variable/">APISIX variables</a> and <a href="http://nginx.org/en/docs/varindex.html" target="_blank" rel="noopener noreferrer">NGINX variables</a>, while <code>access.log</code> can only use NGINX variables.</li><li><code>file-logger</code> plugin support hot-loaded so that we can change its configuration at any time with immediate effect.</li><li><code>file-logger</code> plugin saves every data in JSON format.</li><li>The user can modify the functions executed by the <code>file-logger</code> during the <code>log phase</code> to collect the information they want.</li></ul></div></div><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>Description</th></tr></thead><tbody><tr><td>path</td><td>string</td><td>True</td><td>Log file path.</td></tr><tr><td>log_format</td><td>object</td><td>False</td><td>Log format declared as key value pairs in JSON format. Values only support strings. <a href="/docs/apisix/apisix-variable/">APISIX</a> or <a href="http://nginx.org/en/docs/varindex.html" target="_blank" rel="noopener noreferrer">Nginx</a> variables can be used by prefixing the string with <code>$</code>.</td></tr><tr><td>include_req_body</td><td>boolean</td><td>False</td><td>When set to <code>true</code> includes the request body in the log. If the request body is too big to be kept in the memory, it can&#x27;t be logged due to Nginx&#x27;s limitations.</td></tr><tr><td>include_req_body_expr</td><td>array</td><td>False</td><td>Filter for when the <code>include_req_body</code> attribute is set to <code>true</code>. Request body is only logged when the expression set here evaluates to <code>true</code>. See <a href="https://github.com/api7/lua-resty-expr" target="_blank" rel="noopener noreferrer">lua-resty-expr</a> for more.</td></tr><tr><td>include_resp_body</td><td>boolean</td><td>False</td><td>When set to <code>true</code> includes the response body in the log file.</td></tr><tr><td>include_resp_body_expr</td><td>array</td><td>False</td><td>When the <code>include_resp_body</code> attribute is set to <code>true</code>, use this to filter based on <a href="https://github.com/api7/lua-resty-expr" target="_blank" rel="noopener noreferrer">lua-resty-expr</a>. If present, only logs the response into file if the expression evaluates to <code>true</code>.</td></tr><tr><td>match</td><td>array[array]</td><td>False</td><td>Logs will be recorded when the rule matching is successful if the option is set. See <a href="https://github.com/api7/lua-resty-expr#operator-list" target="_blank" rel="noopener noreferrer">lua-resty-expr</a> for a list of available expressions.</td></tr></tbody></table><h3><a aria-hidden="true" tabindex="-1" class="anchor anchor__h3 anchorWithHideOnScrollNavbar_3ly5" id="example-of-default-log-format"></a>Example of default log format<a class="hash-link" href="#example-of-default-log-format" title="Direct link to heading">#</a></h3><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 json"><pre tabindex="0" class="prism-code language-json codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><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"> </span><span class="token property" style="color:#36acaa">&quot;service_id&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;apisix_latency&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">100.99999809265</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"> </span><span class="token property" style="color:#36acaa">&quot;start_time&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">1703907485819</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"> </span><span class="token property" style="color:#36acaa">&quot;latency&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">101.99999809265</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"> </span><span class="token property" style="color:#36acaa">&quot;upstream_latency&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">1</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"> </span><span class="token property" style="color:#36acaa">&quot;client_ip&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;127.0.0.1&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;route_id&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;1&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;server&quot;</span><span class="token operator" style="color:#393A34">:</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"> </span><span class="token property" style="color:#36acaa">&quot;version&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;3.7.0&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;hostname&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;localhost&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</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"> </span><span class="token property" style="color:#36acaa">&quot;request&quot;</span><span class="token operator" style="color:#393A34">:</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"> </span><span class="token property" style="color:#36acaa">&quot;headers&quot;</span><span class="token operator" style="color:#393A34">:</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"> </span><span class="token property" style="color:#36acaa">&quot;host&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;127.0.0.1:1984&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;content-type&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;application/x-www-form-urlencoded&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;user-agent&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;lua-resty-http/0.16.1 (Lua) ngx_lua/10025&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;content-length&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;12&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</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"> </span><span class="token property" style="color:#36acaa">&quot;method&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;POST&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;size&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">194</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"> </span><span class="token property" style="color:#36acaa">&quot;url&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;http://127.0.0.1:1984/hello?log_body=no&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;uri&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;/hello?log_body=no&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;querystring&quot;</span><span class="token operator" style="color:#393A34">:</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"> </span><span class="token property" style="color:#36acaa">&quot;log_body&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;no&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><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"> </span><span class="token punctuation" style="color:#393A34">}</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"> </span><span class="token property" style="color:#36acaa">&quot;response&quot;</span><span class="token operator" style="color:#393A34">:</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"> </span><span class="token property" style="color:#36acaa">&quot;headers&quot;</span><span class="token operator" style="color:#393A34">:</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"> </span><span class="token property" style="color:#36acaa">&quot;content-type&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;text/plain&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;connection&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;close&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;content-length&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;12&quot;</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"> </span><span class="token property" style="color:#36acaa">&quot;server&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;APISIX/3.7.0&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</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"> </span><span class="token property" style="color:#36acaa">&quot;status&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">200</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"> </span><span class="token property" style="color:#36acaa">&quot;size&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">123</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</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"> </span><span class="token property" style="color:#36acaa">&quot;upstream&quot;</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&quot;127.0.0.1:1982&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" 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="metadata"></a>Metadata<a class="hash-link" href="#metadata" title="Direct link to heading">#</a></h2><p>You can also set the format of the logs by configuring the Plugin metadata. The following configurations are available:</p><table><thead><tr><th>Name</th><th>Type</th><th>Required</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td>log_format</td><td>object</td><td>False</td><td></td><td>Log format declared as key value pairs in JSON format. Values only support strings. <a href="/docs/apisix/apisix-variable/">APISIX</a> or <a href="http://nginx.org/en/docs/varindex.html" target="_blank" rel="noopener noreferrer">Nginx</a> variables can be used by prefixing the string with <code>$</code>.</td></tr></tbody></table><p>The example below shows how you can configure through the Admin API:</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">$(</span><span class="token variable" style="color:#36acaa">yq </span><span class="token variable string" style="color:#e3116c">&#x27;.deployment.admin.admin_key[0].key&#x27;</span><span class="token variable" style="color:#36acaa"> conf/config.yaml </span><span class="token variable operator" style="color:#393A34">|</span><span class="token variable" style="color:#36acaa"> </span><span class="token variable function" style="color:#d73a49">sed</span><span class="token variable" style="color:#36acaa"> </span><span class="token variable string" style="color:#e3116c">&#x27;s/&quot;//g&#x27;</span><span class="token variable" style="color:#36acaa">)</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_V-PD clean-btn">Copy</button></div></div></div></div><div class="codeBlockContainer_EiTO"><div class="codeBlockContent_X2I6 shell"><pre tabindex="0" class="prism-code language-shell codeBlock_UxnK thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_W6UD"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">curl</span><span class="token plain"> http://127.0.0.1:9180/apisix/admin/plugin_metadata/file-logger -H </span><span class="token string" style="color:#e3116c">&quot;X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">&quot;</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">&#x27;</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"> &quot;log_format&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;host&quot;: &quot;$host&quot;,</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;@timestamp&quot;: &quot;$time_iso8601&quot;,</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;client_ip&quot;: &quot;$remote_addr&quot;</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">}&#x27;</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>With this configuration, your logs would be formatted as shown below:</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 punctuation" style="color:#393A34">{</span><span class="token string" style="color:#e3116c">&quot;host&quot;</span><span class="token builtin class-name">:</span><span class="token string" style="color:#e3116c">&quot;localhost&quot;</span><span class="token plain">,</span><span class="token string" style="color:#e3116c">&quot;@timestamp&quot;</span><span class="token builtin class-name">:</span><span class="token string" style="color:#e3116c">&quot;2020-09-23T19:05:05-04:00&quot;</span><span class="token plain">,</span><span class="token string" style="color:#e3116c">&quot;client_ip&quot;</span><span class="token builtin class-name">:</span><span class="token string" style="color:#e3116c">&quot;127.0.0.1&quot;</span><span class="token plain">,</span><span class="token string" style="color:#e3116c">&quot;route_id&quot;</span><span class="token builtin class-name">:</span><span class="token string" style="color:#e3116c">&quot;1&quot;</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"></span><span class="token punctuation" style="color:#393A34">{</span><span class="token string" style="color:#e3116c">&quot;host&quot;</span><span class="token builtin class-name">:</span><span class="token string" style="color:#e3116c">&quot;localhost&quot;</span><span class="token plain">,</span><span class="token string" style="color:#e3116c">&quot;@timestamp&quot;</span><span class="token builtin class-name">:</span><span class="token string" style="color:#e3116c">&quot;2020-09-23T19:05:05-04:00&quot;</span><span class="token plain">,</span><span class="token string" style="color:#e3116c">&quot;client_ip&quot;</span><span class="token builtin class-name">:</span><span class="token string" style="color:#e3116c">&quot;127.0.0.1&quot;</span><span class="token plain">,</span><span class="token string" style="color:#e3116c">&quot;route_id&quot;</span><span class="token builtin class-name">:</span><span class="token string" style="color:#e3116c">&quot;1&quot;</span><span class="token punctuation" 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="enable-plugin"></a>Enable Plugin<a class="hash-link" href="#enable-plugin" title="Direct link to heading">#</a></h2><p>The example below shows how you can enable the Plugin on a specific Route:</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">&quot;X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">&quot;</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">&#x27;</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"> &quot;plugins&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;file-logger&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;path&quot;: &quot;logs/file.log&quot;</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"> &quot;upstream&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;type&quot;: &quot;roundrobin&quot;,</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;nodes&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;127.0.0.1:9001&quot;: 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"> &quot;uri&quot;: &quot;/hello&quot;</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">}&#x27;</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>Now, if you make a request, it will be logged in the path you specified:</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>You will be able to find the <code>file.log</code> file in the configured <code>logs</code> directory.</p><h2><a aria-hidden="true" tabindex="-1" class="anchor anchor__h2 anchorWithHideOnScrollNavbar_3ly5" id="filter-logs"></a>Filter logs<a class="hash-link" href="#filter-logs" title="Direct link to heading">#</a></h2><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 </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">-H </span><span class="token string" style="color:#e3116c">&quot;X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">&quot;</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">&#x27;</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"> &quot;plugins&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;file-logger&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;path&quot;: &quot;logs/file.log&quot;,</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;match&quot;: [</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"> [ &quot;arg_name&quot;,&quot;==&quot;,&quot;jack&quot; ]</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><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;upstream&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;type&quot;: &quot;roundrobin&quot;,</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;nodes&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;127.0.0.1:9001&quot;: 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"> &quot;uri&quot;: &quot;/hello&quot;</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c">}&#x27;</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>Test:</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?name</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">jack</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>Log records can be seen in <code>logs/file.log</code>.</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?name</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">rose</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>Log records cannot be seen in <code>logs/file.log</code>.</p><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>file-logger</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">&quot;X-API-KEY: </span><span class="token string variable" style="color:#36acaa">$admin_key</span><span class="token string" style="color:#e3116c">&quot;</span><span class="token plain"> -X PUT -d </span><span class="token string" style="color:#e3116c">&#x27;</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"> &quot;methods&quot;: [&quot;GET&quot;],</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;uri&quot;: &quot;/hello&quot;,</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;plugins&quot;: {},</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;upstream&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;type&quot;: &quot;roundrobin&quot;,</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;nodes&quot;: {</span><br></span><span class="token-line" style="color:#393A34"><span class="token string" style="color:#e3116c"> &quot;127.0.0.1:9001&quot;: 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">}&#x27;</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/3.14/docs/en/latest/plugins/file-logger.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 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