A minimal property reader for Apache ZooKeeper
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name := "zookeeper-reader" | |
version := "0.1-SNAPSHOT" | |
scalaVersion := "2.11.7" | |
resolvers ++= Seq( | |
"Sonatype Snapshots" at "https://oss.sonatype.org/content/repositories/snapshots/", | |
"Sonatype Releases" at "http://oss.sonatype.org/content/repositories/releases", | |
"Typesafe Repository" at "http://repo.typesafe.com/typesafe/releases/" | |
) | |
libraryDependencies ++= Seq( | |
"org.apache.curator" % "curator-framework" % "2.9.0", | |
"org.slf4j" % "slf4j-simple" % "1.7.12" | |
) |
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import java.time._ | |
import org.apache.curator.framework._ | |
import org.apache.curator.retry._ | |
import org.apache.zookeeper.CreateMode._ | |
object ZooKeeperReader extends App { | |
val connectionString = "192.168.59.201:2181,192.168.59.202:2181,192.168.59.203:2181,192.168.59.204:2181,192.168.59.205:2181" | |
val retryPolicy = new RetryOneTime(1000) | |
val client = CuratorFrameworkFactory.newClient(connectionString, retryPolicy) | |
val startTime = ZonedDateTime.now(ZoneOffset.UTC) | |
val path = "/test-app/start-time" | |
try { | |
client.start() | |
client.create().creatingParentsIfNeeded().withMode(EPHEMERAL).forPath(path, startTime.toString.getBytes) | |
for (i <- 1 to 60) { | |
val bytes = client.getData.forPath(path) | |
val result = new String(bytes) | |
println("#"*50) | |
println(s" Application started at: ${result}") | |
println("#"*50) | |
Thread.sleep(1000) | |
} | |
} finally { | |
client.close() | |
} | |
} |
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