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nobusue/ShowCassandraMetadata.groovy

Created May 4, 2015 02:41
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localhostのCassandraにJava Driverで接続してクラスタ名やホスト名を取得
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ShowCassandraMetadata.groovy
@Grapes(
@Grab(group='com.datastax.cassandra', module='cassandra-driver-core', version='2.1.5')
)
import com.datastax.driver.core.*
def cluster = Cluster.builder().addContactPoint('127.0.0.1').build()
def metadata = cluster.getMetadata()
println "Connected to cluster: ${metadata.getClusterName()}"
metadata.getAllHosts().each { host ->
println "Datacenter: ${host.getDatacenter()}; Host: ${host.getAddress()}, Rack: ${host.getRack()}"
}
cluster.close()
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