uma/scripts/bot-deployment/DeployBotGCP.sh

#!/bin/bash
set -e

if [ $# -lt 1 ]; then
    echo "Incorrect number of arguments supplied! First (required) argument is the bot's name. From this the bot's config and service account will be inferred. Second (optional) argument is the GCP service account email to link with the bots."
    echo "example: ./DeployBotGCP.sh ethbtc-mainnet-monitor [[email protected]]"
    echo "To view all available configs run: gsutil ls gs://bot-configs"
    echo "To view all available service accounts run: gcloud iam service-accounts list"
    exit 1
fi

echo "🔥 Starting deployment script for bot" $1

# This service account has all permissions needed for any bot to run.
# Check if user passed in a service account email to use, otherwise use the email that starts with "emp-bot" by default.
if [ "$2" ]
then
    serviceAccountEmail=$2
else
    serviceAccountEmail=$(gcloud iam service-accounts list --filter name:emp-bot --format 'value(email)')
fi

echo "📄 Using service account for bot @" $serviceAccountEmail
echo "🤖 Pulling bot config from GCP bucket"

# Create a temp file to store the config. This will be cleaned up by the OS.
tempFile=$(mktemp -t UMA)

# Copy config files from GCP to the temp file
gsutil cp gs://bot-configs/$1.env $tempFile

echo "✍️  Config has been pulled and placed in a temp directory" $tempFile

# Check if there is an existing instance. If there is, then we will delete it to clear space for the new one.
existingImages=$(gcloud compute instances list --filter $1 --limit 1)
if [[ "$existingImages" == *"$1"* ]]; then
    echo "♻️  Deleting old bot.  ⚠️  Deleting an instance can take some time, please be patient.  ⚠️"
    
    gcloud compute instances delete $1 \
        --zone northamerica-northeast1-b \
        --quiet

    echo "🎇  Old bot has been deleted!"
fi

# Deploy The bot to GCP using the config file and the service account
echo "🚀 Deploying bot to GCP"
gcloud compute instances create-with-container $1 \
    --container-image docker.io/umaprotocol/protocol:latest \
    --container-env-file $tempFile \
    --zone northamerica-northeast1-b \
    --container-restart-policy on-failure \
    --container-stdin \
    --service-account $serviceAccountEmail \
    --scopes cloud-platform

echo "🎉 Bot deployed!"