Utility Scripts

Utility scripts

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Docker Utility Belt (dub)

1. Template

    usage: dub template [-h] input output
    
    Generate template from env vars.
    
    positional arguments:
      input       Path to template file.
      output      Path of output file.
   

2. ensure

    usage: dub ensure [-h] name
   
    Check if env var exists.
    
    positional arguments:
      name        Name of env var.
   

3. wait

    usage: dub wait [-h] host port timeout
   
    wait for network service to appear.
    
    positional arguments:
      host        Host.
      port        Host.
      timeout     timeout in secs.
   

4. path

    usage: dub path [-h] path {writable,readable,executable,exists}
   
    Check for path permissions and existence.
    
    positional arguments:
      path                  Full path.
      {writable,readable,executable,exists} One of [writable, readable, executable, exists].
   

Confluent Platform Utility Belt (cub)

1. zk-ready

    usage: cub zk-ready [-h] connect_string timeout retries wait
   
    Check if ZK is ready.
    
    positional arguments:
      connect_string  Zookeeper connect string.
      timeout         Time in secs to wait for service to be ready.
      retries         No of retries to check if leader election is complete.
      wait            Time in secs between retries
   

2. kafka-ready

    usage: cub kafka-ready [-h] connect_string min_brokers timeout retries wait
   
    Check if Kafka is ready.
    
    positional arguments:
      connect_string  Zookeeper connect string.
      min_brokers     Minimum number of brokers to wait for
      timeout         Time in secs to wait for service to be ready.
      retries         No of retries to check if leader election is complete.
      wait            Time in secs between retries