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#!/usr/bin/env bash
# XXX: this script is intended to be run from a fresh Digital Ocean droplet
# NOTE: you must set this manually now
echo "export DO_API_TOKEN=\"yourtoken\"" >> ~/.profile
sudo apt-get update -y
sudo apt-get upgrade -y
sudo apt-get install -y jq unzip python-pip software-properties-common make
# get and unpack golang
curl -O https://dl.google.com/go/go1.15.4.linux-amd64.tar.gz
tar -xvf go1.15.4.linux-amd64.tar.gz
## move binary and add to path
mv go /usr/local
echo "export PATH=\$PATH:/usr/local/go/bin" >> ~/.profile
## create the goApps directory, set GOPATH, and put it on PATH
mkdir goApps
echo "export GOPATH=/root/goApps" >> ~/.profile
echo "export PATH=\$PATH:\$GOPATH/bin" >> ~/.profile
# **turn on the go module, default is auto. The value is off, if tendermint source code
#is downloaded under $GOPATH/src directory
echo "export GO111MODULE=on" >> ~/.profile
source ~/.profile
mkdir -p $GOPATH/src/github.com/tendermint
cd $GOPATH/src/github.com/tendermint
# ** use git clone instead of go get.
# once go module is on, go get will download source code to
# specific version directory under $GOPATH/pkg/mod the make
# script will not work
git clone https://github.com/tendermint/tendermint.git
cd tendermint
## build
make tools
make build
#** need to install the package, otherwise terdermint testnet will not execute
make install
# generate an ssh key
ssh-keygen -f $HOME/.ssh/id_rsa -t rsa -N ''
echo "export SSH_KEY_FILE=\"\$HOME/.ssh/id_rsa.pub\"" >> ~/.profile
source ~/.profile
# install terraform
wget https://releases.hashicorp.com/terraform/0.11.7/terraform_0.11.7_linux_amd64.zip
unzip terraform_0.11.7_linux_amd64.zip -d /usr/bin/
# install ansible
sudo apt-get update -y
sudo apt-add-repository ppa:ansible/ansible -y
sudo apt-get update -y
sudo apt-get install ansible -y
# required by ansible
pip install dopy
# the next two commands are directory sensitive
cd $GOPATH/src/github.com/tendermint/tendermint/networks/remote/terraform
terraform init
terraform apply -var DO_API_TOKEN="$DO_API_TOKEN" -var SSH_KEY_FILE="$SSH_KEY_FILE" -auto-approve
# let the droplets boot
sleep 60
# get the IPs
ip0=`terraform output -json public_ips | jq '.value[0]'`
ip1=`terraform output -json public_ips | jq '.value[1]'`
ip2=`terraform output -json public_ips | jq '.value[2]'`
ip3=`terraform output -json public_ips | jq '.value[3]'`
# to remove quotes
strip() {
opt=$1
temp="${opt%\"}"
temp="${temp#\"}"
echo $temp
}
ip0=$(strip $ip0)
ip1=$(strip $ip1)
ip2=$(strip $ip2)
ip3=$(strip $ip3)
# all the ansible commands are also directory specific
cd $GOPATH/src/github.com/tendermint/tendermint/networks/remote/ansible
# create config dirs
tendermint testnet
ansible-playbook -i inventory/digital_ocean.py -l sentrynet install.yml
ansible-playbook -i inventory/digital_ocean.py -l sentrynet config.yml -e BINARY=$GOPATH/src/github.com/tendermint/tendermint/build/tendermint -e CONFIGDIR=$GOPATH/src/github.com/tendermint/tendermint/networks/remote/ansible/mytestnet
sleep 10
# get each nodes ID then populate the ansible file
id0=`curl $ip0:26657/status | jq .result.node_info.id`
id1=`curl $ip1:26657/status | jq .result.node_info.id`
id2=`curl $ip2:26657/status | jq .result.node_info.id`
id3=`curl $ip3:26657/status | jq .result.node_info.id`
id0=$(strip $id0)
id1=$(strip $id1)
id2=$(strip $id2)
id3=$(strip $id3)
# remove file we'll re-write to with new info
old_ansible_file=$GOPATH/src/github.com/tendermint/tendermint/networks/remote/ansible/roles/install/templates/systemd.service.j2
rm $old_ansible_file
# need to populate the `--p2p.persistent-peers` flag
echo "[Unit]
Description={{service}}
Requires=network-online.target
After=network-online.target
[Service]
Restart=on-failure
User={{service}}
Group={{service}}
PermissionsStartOnly=true
ExecStart=/usr/bin/tendermint node --proxy-app=kvstore --p2p.persistent-peers=$id0@$ip0:26656,$id1@$ip1:26656,$id2@$ip2:26656,$id3@$ip3:26656
ExecReload=/bin/kill -HUP \$MAINPID
KillSignal=SIGTERM
[Install]
WantedBy=multi-user.target
" >> $old_ansible_file
# now, we can re-run the install command
ansible-playbook -i inventory/digital_ocean.py -l sentrynet install.yml
# and finally restart it all
ansible-playbook -i inventory/digital_ocean.py -l sentrynet restart.yml
echo "congratulations, your testnet is now running :)"