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#! /bin/bash
# The set -e option instructs bash to immediately exit if any command has a non-zero exit status
set -e
function printErr()
{
echo "usage: ./startup.sh <tag> <number_of_nodes_in_cluster>"
echo "No argument $1 supplied"
}
if [ -z "$1" ]
then
printErr "<tag>"
exit 1
fi
if [ -z "$2" ]
then
printErr "<number_of_nodes_in_cluster>"
exit 1
fi
TAG=$1
NODES=$2
FAB=`which fab`
# It seems BIGCHAINDIR was never used, but I wasn't sure
# so I just commented-out the following lines. -Troy
#DEPLOYDIR=`pwd`
#BIGCHAINDIR=`dirname $DEPLOYDIR`
#export BIGCHAINDIR
# Check if python-fabric is installed
if [ ! -f "$FAB" ]
then
echo "python-fabric is not installed"
exit 1
fi
# Check for AWS private key file pem-file and changing access rights
if [ ! -f "pem/bigchaindb.pem" ]
then
echo "File pem/bigchaindb.pem (AWS private key) is missing"
exit 1
fi
# Change the file permissions on pem/bigchaindb.pem
# so that the owner can read it, but that's all
chmod 0400 pem/bigchaindb.pem
# The following Python script does these things:
# 1. Launches the specified number of nodes (instances) on Amazon EC2,
# 2. tags them with the specified tag,
# 3. waits until those instances exist and are running,
# 4. for each instance, allocates an elastic IP address
# and associates it with that instance,
# 5. writes the shellscript add2known_hosts.sh
# 6. (over)writes a file named hostlist.py
# containing a list of all public DNS names.
python launch_ec2_nodes.py --tag $TAG --nodes $NODES
# Make add2known_hosts.sh executable then execute it.
# This adds remote keys to ~/.ssh/known_hosts
chmod +x add2known_hosts.sh
./add2known_hosts.sh
# (Re)create the RethinkDB configuration file conf/bigchaindb.conf
python create_bigchaindb_conf.py
# rollout base packages (dependencies) needed before
# storage backend (rethinkdb) and bigchaindb can be rolled out
fab install_base_software
# rollout storage backend (rethinkdb)
fab install_rethinkdb
# rollout bigchaindb
fab install_bigchaindb
# generate genesis block
# HORST is the last public_dns_name listed in conf/bigchaindb.conf
# For example:
# ec2-52-58-86-145.eu-central-1.compute.amazonaws.com
HORST=`tail -1 conf/bigchaindb.conf|cut -d: -f1|cut -d= -f2`
fab -H $HORST -f fab_prepare_chain.py init_bigchaindb
# initiate sharding
fab start_bigchaindb_nodes
# cleanup
rm add2known_hosts.sh
# DONE