Apache Kafka and Apache Zookeeper discovery
ServiceNow Discovery uses the Kafka and Zookeeper discovery pattern to find Kafka data built on the Zookeeper synchronization service.
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Prerequisites
CMDB CI Class Models store app
Verify the CMDB CI Class Models store app (version 1.20.0) is installed.
Discovery and Service Mapping Patterns store app
Verify the Discovery and Service Mapping Patterns store app (version 1.0.72) is installed.
Certificate Authority process
Ensure that the CA process is up and running on the host machine.
Discovery credentials
Ensure you have the credentials for running Discovery on the host machine running the CA process.
Kafka and Zookeeper process should be running on the host.
Note: Kafka Broker Discovery should run first followed by Zookeeper. In the Zookeeper Configuration file, the order of nodes forming the cluster should be consistent across all of the nodes in the cluster.
Data collected by Discovery during horizontal discovery
| Fields | Description |
|---|---|
| name | Name of the CI |
| node | Node where the zookeeper is installed |
| tier | Tier of the zookeeper |
| install_directory | Path of the install directory |
| config_file | Path of the config file |
| config_directory | Path of the config directory |
| Fields | Description |
|---|---|
| name | Name of the CI |
| isr | In Sync Replica |
| replicas | Number of replicas of the topic |
| partition_count | Partition count of the topic |
| replication_factor | Replication factor of the topic |
| Fields | Description |
|---|---|
| name | Name of the CI |
| node | Node where the zookeeper is installed |
| tier | Tier of the zookeeper |
| config_file | Path of the config file |
| install_directory | Path of the install |
| Fields | Description |
|---|---|
| Cluster_id | Unique id specific to cluster |
| Fields | Description |
|---|---|
| Cluster_id | Unique id specific to cluster |
| Fields | Description |
|---|---|
| Name | Name of the Node |
| Clustername | Name of the cluster the node belongs to |
| Fields | Description |
|---|---|
| Name | Name of the Node |
| clustername | Name of the cluster the node belongs to |
CI Relationships
The Kafka and Zookeeper pattern does not create any CI relationships.
Parent Topic:Available on-premise discovery patterns