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Minimal ansible for Ethereum Testnets

This repository is a minimal set of playbooks and inventories required to set up a Consensus Layer(CL) node and a Execution Layer (EL) node for use in testnets.

Ansible Galaxy

This repository uses ansible galaxy for some dependencies. You can fetch them using:

./install_dependencies.sh

Usage

  • Fork this repository for your required devnet (Ideally it is a throwaway devnet)
  • Modify the testnets/<name>/inventory/inventory.ini file with the correct tags and client distribution
  • Generate the keys from the mnemonic by running the generate_keys.sh file (after exporting the mnemonic)
  • If needed, modify the testnets/<name>/custom_config_data/ folder with the genesis.ssz and eth2_config.yaml
  • Modify the testnets/<name>/inventory/group_vars/eth2client_<client_name>.yml if required
  • Check the inventory with ansible-inventory -i testnets/<name>/inventory/dynamic.py --list
  • Run the playbook to run all beacon nodes and validators with ansible-playbook -i testnets/<name>/inventory/dynamic.py playbooks/setup_beacon_and_validators_full.yml

Examples on how to run the playbooks

Installing the beaconchain explorer

# Running the whole playbook
ansible-playbook playbooks/setup_beaconchain_explorer.yml -i withdrawal-devnet-0/inventory/inventory.ini
# Just targeting the beaconchain explorer tag
ansible-playbook playbooks/setup_beaconchain_explorer.yml -i withdrawal-devnet-0/inventory/inventory.ini -t beaconchain_explorer_aio
# Wiping the beaconchain explorer via an extra var
ansible-playbook playbooks/setup_beaconchain_explorer.yml -i withdrawal-devnet-0/inventory/inventory.ini -t beaconchain_explorer_aio -e "beaconchain_explorer_aio_cleanup_all=true"