Apache NiFi Tutorial
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Apache NiFi - Administration
Apache NiFi - Administration
Apache NiFi offers support to multiple tools pke ambari, zookeeper for administration purposes. NiFi also provides configuration in nifi.properties file to set up HTTPS and other things for administrators.
zookeeper
NiFi itself does not handle voting process in cluster. This means when a cluster is created, all the nodes are primary and coordinator. So, zookeeper is configured to manage the voting of primary node and coordinator. The nifi.properties file contains some properties to setup zookeeper.
| S.No. | Property name | Default Value | description |
|---|---|---|---|
| 1 | nifi.state.management.embedded.zookeeper. properties | ./conf/zookeeper.properties | To specify the path and name of zookeeper property file. |
| 2 | nifi.zookeeper.connect.string | empty | To specify the connection string of zookeeper. |
| 3 | nifi.zookeeper.connect.timeout | 3 secs | To specify the connection timeout of zookeeper with NiFi. |
| 4 | nifi.zookeeper.session.timeout | 3 secs | To specify the session timeout of zookeeper with NiFi. |
| 5 | nifi.zookeeper.root.node | /nifi | To specify root node for zookeeper. |
| 6 | nifi.zookeeper.auth.type | empty | To specify authentication type for zookeeper. |
Enable HTTPS
To use NiFi over HTTPS, administrators have to generate keystore and truststore and set some properties in the nifi.properties file. The TLS toolkit can be used to generate all the necessary keys to enable HTTPS in apache NiFi.
| S.No. | Property name | Default Value | description |
|---|---|---|---|
| 1 | nifi.web.https.port | empty | To specify https port number. |
| 2 | nifi.web.https.network.interface.default | empty | Default interface for https in NiFi. |
| 3 | nifi.security.keystore | empty | To specify the path and file name of keystore. |
| 4 | nifi.security.keystoreType | empty | To specify the type of keystore type pke JKS. |
| 5 | nifi.security.keystorePasswd | empty | To specify keystore password. |
| 6 | nifi.security.truststore | empty | To specify the path and file name of truststore. |
| 7 | nifi.security.truststoreType | empty | To specify the type of truststore type pke JKS. |
| 8 | nifi.security.truststorePasswd | empty | To specify truststore password. |
Other properties for administration
There are some other properties, which are used by administrators to manage the NiFi and for its service continuity.
| S.No. | Property name | Default Value | description |
|---|---|---|---|
| 1 | nifi.flowcontroller.graceful.shutdown.period | 10 sec | To specify the time to gracefully shutdown the NiFi flowcontroller. |
| 2 | nifi.administrative.yield.duration | 30 sec | To specify the administrative yield duration for NiFi. |
| 3 | nifi.authorizer.configuration.file | ./conf/authorizers.xml | To specify the path and file name of authorizer configuration file. |
| 4 | nifi.login.identity.provider.configuration.file | ./conf/login-identity-providers.xml | To specify the path and file name of login identity provider configuration file. |