| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>HortonworksSchemaRegistry</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">HortonworksSchemaRegistry</h1><h2>Description: </h2><p>Provides a Schema Registry Service that interacts with a Hortonworks Schema Registry, available at https://github.com/hortonworks/registry</p><h3>Tags: </h3><p>schema, registry, avro, hortonworks, hwx</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><table id="properties"><tr><th>Display Name</th><th>API Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Schema Registry URL</strong></td><td>url</td><td></td><td id="allowable-values"></td><td id="description">URL of the schema registry that this Controller Service should connect to, including version. For example, http://localhost:9090/api/v1<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Cache Size</strong></td><td>cache-size</td><td id="default-value">1000</td><td id="allowable-values"></td><td id="description">Specifies how many Schemas should be cached from the Hortonworks Schema Registry</td></tr><tr><td id="name"><strong>Cache Expiration</strong></td><td>cache-expiration</td><td id="default-value">1 hour</td><td id="allowable-values"></td><td id="description">Specifies how long a Schema that is cached should remain in the cache. Once this time period elapses, a cached version of a schema will no longer be used, and the service will have to communicate with the Hortonworks Schema Registry again in order to obtain the schema.</td></tr><tr><td id="name">SSL Context Service</td><td>ssl-context-service</td><td></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>SSLContextService<br/><strong>Implementations: </strong><a href="../../../nifi-ssl-context-service-nar/1.19.1/org.apache.nifi.ssl.StandardRestrictedSSLContextService/index.html">StandardRestrictedSSLContextService</a><br/><a href="../../../nifi-ssl-context-service-nar/1.19.1/org.apache.nifi.ssl.StandardSSLContextService/index.html">StandardSSLContextService</a></td><td id="description">Specifies the SSL Context Service to use for communicating with Schema Registry.</td></tr><tr><td id="name">Kerberos Credentials Service</td><td>kerberos-credentials-service</td><td></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>KerberosCredentialsService<br/><strong>Implementation: </strong><a href="../../../nifi-kerberos-credentials-service-nar/1.19.1/org.apache.nifi.kerberos.KeytabCredentialsService/index.html">KeytabCredentialsService</a></td><td id="description">Specifies the Kerberos Credentials Controller Service that should be used for authenticating with Kerberos</td></tr><tr><td id="name">Kerberos Principal</td><td>kerberos-principal</td><td></td><td id="allowable-values"></td><td id="description">The kerberos principal to authenticate with when not using the kerberos credentials service<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Kerberos Password</td><td>kerberos-password</td><td></td><td id="allowable-values"></td><td id="description">The password for the kerberos principal when not using the kerberos credentials service<br/><strong>Sensitive Property: true</strong></td></tr><tr><td id="name">Basic Authentication Username</td><td>basic-auth-username</td><td></td><td id="allowable-values"></td><td id="description">The username to use for basic authentication when the Schema Registry is behind a proxy such as Apache Knox.<br/><br/><strong>This Property is only considered if </strong><strong>the [SSL Context Service] Property has a value specified.</strong></td></tr><tr><td id="name">Basic Authentication Password</td><td>basic-auth-password</td><td></td><td id="allowable-values"></td><td id="description">The password to use for basic authentication when the Schema Registry is behind a proxy such as Apache Knox.<br/><strong>Sensitive Property: true</strong><br/><br/><strong>This Property is only considered if </strong><strong>the [SSL Context Service] Property has a value specified.</strong></td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>System Resource Considerations:</h3>None specified.</body></html> |