List of commands
S4 ships with a toolkit for creating, packaging, deploying and running applications.
From the source distribution, these tools are built by running:
gradlew s4-tools:installApp
This compiles the s4-tools subproject and generates shell scripts.
Here is the list of commands available with the s4 tool. For each of these commands, the comprehensive documentation of all parameters is shown by specifying the -help option.
Syntax: s4 <command> <options>
|--- | Purpose | Description | Command |-|-|- | Create a new application | Create a bootstrap project skeleton | newApp | Start a ZooKeeper server instance | Useful for testing | zkServer | Define an S4 cluster | Specify cluster size and initial ports for listening sockets | newCluster | Package an application | S4R archive to be deployed on S4 nodes | s4r | | Deploy/configure an application | Specifies application and platform configuration | deploy | Start an S4 node | S4 node bootstrap process, connects to the cluster manager and fetches app and platform configuration, as specified through deploy command | node | Get information about S4 infrastructure | Shows status of S4 clusters, apps, nodes and external streams | status |---
In addition, for easy injection of data, the adapter command allows to start an node without having to package and deploy the application.
There is currently no specific command for undeploying S4 applications. The recomended way for removing an application deployed on cluster C1 is to: