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SSH Tunnels

Convenience tool to create SSH tunnels to cluster applications on AWS.

Example cluster applications would be:

  • Kafka
  • Zookeeper
  • Cassandra

This tool automatically adds the private VPC IPs to your local loopback lo interface and to your /etc/hosts file. Cluster nodes can be accessed directly from your local machine.

$ tunnels my-senza-stack 9092 odd-eu-central-1.myteam.example.org --region eu-central-1

Installation

$ sudo pip3 install --upgrade stups-ssh-tunnels

Usage

Connecting to a Cassandra cluster deployed with Senza:

$ piu odd-eu-west-1.myteam.example.org SSH tunnel to Cassandra for keyspace management
$ tunnels my-cassandra 9042 odd-eu-west-1.myteam.example.org --region eu-west-1
# open a new terminal
$ cqlsh 172.31.141.1 # take one seed IP printed by tunnels.py