Ansible role that will install, configure and runs [Besu](https://www.hyperledger.org/projects/besu): an enterprise Java Ethereum Client
### Table of Contents
- [Supported Platforms](#supported-platforms)
- [Dependencies](#dependencies)
- [Role Variables](#role-variables)
- [Example Playbook](#example-playbook)
- [License](#license)
- [Author Information](#author-information)
### Supported Platforms
```
* MacOS
* Debian
* Ubuntu
* Redhat(CentOS/Fedora)
* Amazon
```
### Dependencies
* JDK 11 or greater
### Role Variables:
All variables which can be overridden are stored in [defaults/main.yml](defaults/main.yml) file. By and large these variables are configuration options. Please refer to the Besu [docs](https://besu.hyperledger.org/en/stable/) for more information
| `besu_version` | ___unset___ | __REQUIRED__ Version of Besu to install and run. All available versions are listed on our Besu [solutions](https://pegasys.tech/solutions/hyperledger-besu/) page |
| `besu_user` | besu | Besu user |
| `besu_group` | besu | Besu group |
| `besu_download_url` | https://bintray.com/hyperledger-org/besu-repo/download_file?file_path=besu-{{ besu_version }}.tar.gz | The download tar.gz file used. You can use this if you need to retrieve besu from a custom location such as an internal repository. |
| `besu_install_dir` | /opt/besu | Path to install to |
| `besu_config_dir` | /etc/besu | Path for default configuration |
| `besu_node_private_key_file` | "" | Path for node private key, if supplied. This needs to include the node key file name and path like so `/home/me/me_node/myPrivateKey`. If not supplied Besu will create one automatically |
| `besu_rpc_http_api` | ["ADMIN","DEBUG","NET","ETH","MINER","WEB3"] | Comma-separated APIs to enable on the HTTP JSON-RPC channel. When you use this option, the `besu_rpc_http_enabled` option must also be enabled |
| `besu_metrics_host` | 0.0.0.0 | Specifies the host on which Prometheus accesses Besu metrics. The metrics server respects the `besu_whitelist` option |
| `besu_metrics_port` | 9545 | Specifies the port on which Prometheus accesses Besu metrics |
| `besu_bootnodes` | [] | List of comma-separated enode URLs for P2P discovery bootstrap. When connecting to MainNet or public testnets, the default is a predefined list of enode URLs |
| `besu_host_whitelist` | ["*"] | Comma-separated list of hostnames to allow access to the JSON-RPC API. By default, access from localhost and 127.0.0.1 is accepted. |
| `besu_cmdline_args` | "" | Command line args that are passed in as overrides |
| `besu_env_opts` | "" | Environmental variable BESU_OPTS that gets passed to the JVM. eg: -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005 |
| `orion_version` | ___unset___ | Version of Orion installed. When supplied, adds required privacy config items and requires `orion_config_dir` and `orion_key_name` to be set |