Class: Logister::Reporter

Inherits:
Object
  • Object
show all
Defined in:
lib/logister/reporter.rb

Instance Method Summary collapse

Constructor Details

#initialize(configuration) ⇒ Reporter

Returns a new instance of Reporter.



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# File 'lib/logister/reporter.rb', line 12

def initialize(configuration)
  @configuration = configuration
  @client        = Client.new(configuration)

  # Pre-build values that are static for the lifetime of this reporter so
  # they are not allocated on every report_error / report_metric call.
  @static_context = {
    environment: @configuration.environment,
    service:     @configuration.service,
    release:     @configuration.release
  }.freeze

  # Normalise ignore_environments once into a frozen Set of Strings so
  # ignored_environment? never allocates a mapped Array.
  @ignored_envs = Set.new(@configuration.ignore_environments.map(&:to_s)).freeze

  # Cache the current-environment String to avoid repeated .to_s calls.
  @current_env = @configuration.environment.to_s.freeze

  # Compile the app-root stripping Regexp once; Dir.pwd is a syscall that
  # always returns a new String — do it exactly once here.
  app_root = Dir.pwd.to_s.freeze
  @app_root_re = /\A#{Regexp.escape(app_root)}\//.freeze

  # Register shutdown hook. Guard with a flag so multiple Reporter instances
  # (created by repeated Logister.configure calls) each shut down cleanly
  # without re-registering more handlers.
  @shutdown_registered = false
  register_shutdown_hook
end

Instance Method Details

#clear_user ⇒ Object 



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# File 'lib/logister/reporter.rb', line 248

def clear_user
  Thread.current[:logister_user] = nil
end

#flush(timeout: 2) ⇒ Object 



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# File 'lib/logister/reporter.rb', line 252

def flush(timeout: 2)
  @client.flush(timeout: timeout)
end

#report_check_in(slug:, status: 'ok', expected_interval_seconds: 300, duration_ms: nil, context: {}, level: nil, environment: nil, release: nil, occurred_at: nil, trace_id: nil, request_id: nil) ⇒ Object 



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# File 'lib/logister/reporter.rb', line 199

def report_check_in(
  slug:,
  status: 'ok',
  expected_interval_seconds: 300,
  duration_ms: nil,
  context: {},
  level: nil,
  environment: nil,
  release: nil,
  occurred_at: nil,
  trace_id: nil,
  request_id: nil
)
  return false if ignored_environment?

  payload = build_payload(
    event_type:  'check_in',
    level:       level || (status.to_s == 'error' ? 'error' : 'info'),
    message:     slug,
    fingerprint: metric_fingerprint("checkin:#{slug}"),
    context:     context.merge(
      check_in_slug: slug,
      check_in_status: status,
      expected_interval_seconds: expected_interval_seconds,
      duration_ms: duration_ms,
      environment: environment,
      release: release,
      trace_id: trace_id,
      request_id: request_id
    ).compact
  )
  payload[:occurred_at] = normalize_timestamp(occurred_at) if occurred_at

  payload = apply_before_notify(payload)
  return false unless payload

  @client.publish(payload)
end

#report_error(exception, context: {}, tags: {}, level: 'error', fingerprint: nil) ⇒ Object 



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# File 'lib/logister/reporter.rb', line 43

def report_error(exception, context: {}, tags: {}, level: 'error', fingerprint: nil)
  return false if ignored_exception?(exception)
  return false if ignored_path?(context)

  merged_context = default_error_context.merge(context)
  user = current_user_context
  merged_context[:user] = user if user

  payload = build_payload(
    event_type:  'error',
    level:       level,
    message:     "#{exception.class}: #{exception.message}",
    fingerprint: fingerprint || default_fingerprint(exception),
    context:     merged_context.merge(
      exception: exception_context(exception),
      tags: tags
    )
  )

  payload = apply_before_notify(payload)
  return false unless payload

  @client.publish(payload)
end

#report_log(message:, level: 'info', context: {}, tags: {}, fingerprint: nil) ⇒ Object 



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# File 'lib/logister/reporter.rb', line 181

def report_log(message:, level: 'info', context: {}, tags: {}, fingerprint: nil)
  return false if ignored_environment?
  return false if ignored_path?(context)

  payload = build_payload(
    event_type:  'log',
    level:       level,
    message:     message,
    fingerprint: fingerprint || metric_fingerprint("log:#{message.to_s.lines.first}"),
    context:     context.merge(tags: tags)
  )

  payload = apply_before_notify(payload)
  return false unless payload

  @client.publish(payload)
end

#report_metric(message:, value: nil, unit: nil, level: 'info', context: {}, tags: {}, fingerprint: nil) ⇒ Object 



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# File 'lib/logister/reporter.rb', line 68

def report_metric(message:, value: nil, unit: nil, level: 'info', context: {}, tags: {}, fingerprint: nil)
  return false if ignored_environment?
  return false if ignored_path?(context)

  metric_context = context.merge(tags: tags)
  if value
    metric_context = metric_context.merge(
      metric: {
        name: message,
        value: value,
        unit: unit
      }.compact,
      value: value,
      unit: unit
    ).compact
  end

  payload = build_payload(
    event_type:  'metric',
    level:       level,
    message:     message,
    fingerprint: fingerprint || metric_fingerprint(message),
    context:     metric_context
  )

  payload = apply_before_notify(payload)
  return false unless payload

  @client.publish(payload)
end

#report_span(name:, duration_ms:, trace_id: nil, request_id: nil, span_id: nil, parent_span_id: nil, kind: 'internal', status: nil, started_at: nil, ended_at: nil, context: {}, tags: {}, fingerprint: nil) ⇒ Object 



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# File 'lib/logister/reporter.rb', line 122

def report_span(
  name:,
  duration_ms:,
  trace_id: nil,
  request_id: nil,
  span_id: nil,
  parent_span_id: nil,
  kind: 'internal',
  status: nil,
  started_at: nil,
  ended_at: nil,
  context: {},
  tags: {},
  fingerprint: nil
)
  return false if ignored_environment?
  return false if ignored_path?(context)

  started_at ||= Time.now.utc - (duration_ms.to_f / 1000.0)
  span_id ||= SecureRandom.hex(8)
  trace_id ||= span_id

  payload = build_payload(
    event_type: 'span',
    level: status.to_s == 'error' ? 'error' : 'info',
    message: name,
    fingerprint: fingerprint || metric_fingerprint("span:#{kind}:#{name}"),
    context: context.merge(
      name: name,
      trace_id: trace_id,
      request_id: request_id,
      span_id: span_id,
      parent_span_id: parent_span_id,
      span_kind: kind,
      kind: kind,
      status: status,
      duration_ms: duration_ms,
      started_at: normalize_timestamp(started_at),
      ended_at: ended_at && normalize_timestamp(ended_at),
      tags: tags
    ).compact
  )

  payload[:started_at] = normalize_timestamp(started_at)
  payload[:ended_at] = normalize_timestamp(ended_at) if ended_at
  payload[:duration_ms] = duration_ms
  payload[:trace_id] = trace_id
  payload[:request_id] = request_id if request_id
  payload[:span_id] = span_id
  payload[:parent_span_id] = parent_span_id if parent_span_id
  payload[:kind] = kind
  payload[:status] = status if status

  payload = apply_before_notify(payload)
  return false unless payload

  @client.publish(payload)
end

#report_transaction(name:, duration_ms:, level: 'info', context: {}, tags: {}, fingerprint: nil, status: nil) ⇒ Object 



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# File 'lib/logister/reporter.rb', line 99

def report_transaction(name:, duration_ms:, level: 'info', context: {}, tags: {}, fingerprint: nil, status: nil)
  return false if ignored_environment?
  return false if ignored_path?(context)

  payload = build_payload(
    event_type:  'transaction',
    level:       level,
    message:     name,
    fingerprint: fingerprint || metric_fingerprint("tx:#{name}"),
    context:     context.merge(
      transaction_name: name,
      duration_ms: duration_ms,
      status: status,
      tags: tags
    ).compact
  )

  payload = apply_before_notify(payload)
  return false unless payload

  @client.publish(payload)
end

#set_user(id: nil, email: nil, name: nil, **extra) ⇒ Object

Store user info for the current thread so it is automatically attached to every error reported during this request.

Logister.set_user(id: current_user.id, email: current_user.email, name: current_user.name)



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# File 'lib/logister/reporter.rb', line 243

def set_user(id: nil, email: nil, name: nil, **extra)
  ctx = { id: id, email: email, name: name }.merge(extra).compact
  Thread.current[:logister_user] = ctx.empty? ? nil : ctx
end

#shutdown ⇒ Object 



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# File 'lib/logister/reporter.rb', line 256

def shutdown
  @client.shutdown
end