#!/usr/bin/env sh
# Connect to ODL Karaf shell. Mostly used for testing.

# Output verbose debug info (true) or not (anything else)
VERBOSE=true
# Port that the Karaf shell listens on
KARAF_SHELL_PORT=8101

# This could be done with public key crypto, but sshpass is easier
if ! command -v sshpass &> /dev/null; then
    echo "Installing sshpass. It's used connecting non-interactively"
    if "$VERBOSE" = true; then
        sudo yum install -y sshpass
    else
        sudo yum install -y sshpass &> /dev/null
    fi
fi

echo "Will repeatedly attempt connecting to Karaf shell until it's ready"
# Loop until exit status 0 (success) given by Karaf shell
# Exit status 255 means Karaf shell isn't open for SSH connections yet
# Exit status 1 means `dropAllPacketsRpc on` isn't runnable yet
until sshpass -p karaf ssh -p $KARAF_SHELL_PORT -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o PreferredAuthentications=password karaf@localhost
do
    echo "Karaf shell isn't ready yet, sleeping 5 seconds..."
    sleep 5
done