Check the yaml file for valid peers before starting jormungandr

checkpeers.sh

#!/bin/bash

cp /home/westbam/cardano/itn_rewards_v1-config.yaml /home/westbam/cardano/itn_rewards_v1-config.yaml.new

# find all addresses that are not commented out
sed -e '/ address/!d' -e '/^[[:space:]]*#/d' -e '/Brainy/d' -e 's@^.*/ip./\([^/]*\)/tcp/\([0-9]*\).*@\1 \2@' /home/westbam/cardano/itn_rewards_v1-config.yaml | \
while read addr port
do
    echo "Checking $addr:$port" 
    RESULT=$(tcpping -x 1 $addr $port)
    echo "$RESULT"
    if [[ $RESULT == *"open"* ]]; then
      echo "Valid Peer"
    else
      # comment out the line
      sed -i -e "/.*$addr\/tcp\/$port/,+1 s/^/#&/" /home/westbam/cardano/itn_rewards_v1-config.yaml.new
      echo "Invalid Peer"
    fi
done

# find all addresses that are commented out
sed -e '/ address/!d' -e '/^[[:space:]]*#/!d' -e '/Brainy/d' -e 's@^.*/ip./\([^/]*\)/tcp/\([0-9]*\).*@\1 \2@' /home/westbam/cardano/itn_rewards_v1-config.yaml | \
while read addr port
do
    echo "Checking $addr:$port"
    RESULT=$(tcpping -x 1 $addr $port)
    echo "$RESULT"
    if [[ $RESULT == *"open"* ]]; then
      sed -i -e "/.*$addr\/tcp\/$port/,+1 s/^#//" /home/westbam/cardano/itn_rewards_v1-config.yaml.new
      echo "Valid Peer"
    else
      echo "Invalid Peer"
    fi    
done
mv /home/westbam/cardano/itn_rewards_v1-config.yaml.new /home/westbam/cardano/itn_rewards_v1-config.yaml

Dependencies:

$ sudo apt-get install tcptraceroute
$ cd /usr/bin
$ sudo wget http://www.vdberg.org/~richard/tcpping
$ sudo chmod 755 tcpping