Plugin Statistic and Termination Monitor

This plugin has configuration support to monitor process_message failure rates and plugin termination.

1. Sample Configuration

filename = 'plugin_monitor.lua'
message_matcher = 'Type =~ "^hindsight%.plugin%."'
preserve_data = false
process_message_inject_limit = 1

alert = {
  disabled = false,
  prefix = true,
  throttle = 90,
  modules = {
    email = {recipients = {"trink@mozilla.com"}},
  },

  thresholds = {
    ["analysis.example"] = { -- plugin name
        process_message_failures = { -- alert specific configuration
          -- alert when percentage of recent failed messages exceeds this
          percent = 5,

          -- but only if this many messages have been processed since the last tick
          minimum_sample = 100
        },
        terminated = true -- alert if terminated
    },
    ["*"] = {
        terminated = true
    },
  }
}

source code: plugin_monitor.lua