Station Core alpha release

[juliangruber]

ETA: 2023-04-01

Description: Develop a functional but rudimentary Station Core (ex Station headless) binary for early adopters.

Children:

• Bundled Modules
  • Bundle saturn-l2-node node#1
• CLI
  • Publish to npm node#2
  • Add basic CLI node#3
• Configuration
  • Require environment variable FIL_WALLET_ADDRESS node#4
• Storage
  • Pick folder on disk node#5
  • (Re-)create folder structure on launch node#6
  • Store event streams in individual log files node#7
  • Truncate log files to 10MB each max node#8
• Process management
  • Launch module process node#9
  • Restart module process node#10
  • Pass module data folder node#11
  • Pass wallet address node#12
  • Store module stdout node#13
  • Store module stderr node#14
• Metrics
  • Collect module metrics node#15
  • Write metrics updates to disk node#16
• Documentation
  • Basic Readme node#17

Usage

# Installation
$ npm install -g @filecoin-station/core
$ station
...

# Configuration
$ export STATION_ROOT=~/.station/ # (default)
$ export STATION_FIL_WALLET_ADDRESS=f1...

# Get latest metrics
$ tail -n1 $STATION_ROOT/logs/metrics.log
2023-02-16T22:59:47.385+0100 {"totalJobsCompleted":123}

# List module logs
$ tail -f $STATION_ROOT/logs/modules/saturn-l2-node{,.err}.log
==> $STATION_ROOT/logs/modules/saturn-l2-node.log <==
2023-02-16T22:59:47.385+0100 INFO: Saturn Node is online and connected to 9 peers
2023-02-16T22:59:47.385+0100 ERROR: Saturn Node is not able to connect to the network

==> $STATION_ROOT/logs/modules/saturn-l2-node.err.log <==
2023-02-16T22:59:47.385+0100 Dang!
...

Milestone: https://github.com/filecoin-station/core/milestone/1