Coordinator

This project provides Zookeeper node tree navigation, content visualization and content modification. Also displays Zookeeper cluster state.

Running

Requires Zookeeper running.

Run can be simple as that:

# By default enables debug on port 5005 and enables development profile
./gradlew bootRun

Running the generated jar:

./gradlew build
SPRING_PROFILES_ACTIVE="development" java -jar build/libs/coordinator-$VERSION-assembly.jar

Configuration

As this project uses Spring Boot the entire application.yml que be replaced by an external file.

• zookeeper.hosts: Zookeeper connection string, format host:port, required. For production profile can be set with ZK_QUORUM environment variable.
• zookeeper.connection.retries : Number of connections retries before giving up, default 3.
• zookeeper.connection.timeoutMS: Connection timeout in miliseconds, default 5000.
• zookeeper.session.timeoutMS: Session timeout in miliseconds, default 60000.
• zookeeper.cache.instancesTimeoutMS: Cluster state cache timeout in miliseconds, default 60000.
• auth.enabled: enables authentication, default false.
• auth.user.name: user name for authentication.
• auth.user.password: user password for authentication.

The Zookeeper connection statregy ExponentialBackoffRetry with a base sleep time of 1000 miliseconds.

Authentication

When authentication is enabled, all resources requires an logged user for access. The basic authentication is used.