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Chia-Datalayer-S3-Sync

Sync Chia Datalayer .dat files to an S3 bucket. This is useful to be able to serve your datalayer files over HTTP without exposing any ports to your system that runs Chia.

Installation and usage

This is intended to run on a Linux server or any system with a Linux style Bash shell with systemd. Example commands assume a Debian-based distro such as Ubuntu, but the general script should run on any distro.

  1. Copy this repo to the machine running Chia Datalayer (git clone https://github.com/TheLastCicada/Chia-Datalayer-S3-Sync.git && cd Chia-Datalayer-S3-Sync)
  2. Create an AWS bucket
  3. Give yourself access to write to the bucket. An instance profile is recommended if hosting Chia on EC2
  4. Install the official AWS CLI tool
  5. Install ionotify-tools apt install inotify-tools
  6. Edit line 27 in datalayer-s3-sync and replace /home/zachary/.chia/mainnet/data_layer/db/server_files_location_testnet10 with the path to your datalayer .dat files (will be similar except the part zachary will be your username and the testnet10 part will the the network you are using, such as mainnet or testneta). Also replace s3://mydatalayer1 with the S3 address of the bucket you created in step 1.
  7. Edit line 28 in datalayer-s3-sync and replace with the path to your datalayer .dat files (should be the same directory as in step 6).
  8. Move datalayer-s3-sync to /usr/local/bin/datalayer-s3-sync (sudo mv ./datalayer-s3-sync /usr/local/bin/datalayer-s3-sync)\
  9. Make datalayer-s3-sync executable for all users with sudo chmod +x /usr/local/bin/datalayer-s3-sync
  10. Edit line 12 and 13 in datalayer-s3-sync.service and change the User and Group to be the username where Chia runs on your system.
  11. Move datalayer-s3-sync.service to /etc/systemd/system/datalayer-s3-sync.service (sudo mv ./datalayer-s3-sync.service /etc/systemd/system/datalayer-s3-sync.service)
  12. Reload systemd to recognize the new file with sudo systemctl daemon-reload
  13. Start the sync process with sudo systemctl start datalayer-s3-sync
  14. Set the sync process to start at boot with sudo systemctl enable datalayer-s3-sync