Module: Legion::LLM::API::Native::Instances

Extended by:
Legion::Logging::Helper
Defined in:
lib/legion/llm/api/native/instances.rb

Class Method Summary collapse

Class Method Details

.aggregate_capacity(offerings) ⇒ Object 



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# File 'lib/legion/llm/api/native/instances.rb', line 79

def self.aggregate_capacity(offerings)
  {
    max_context_window: offerings.filter_map { |offering| offering.dig(:limits, :context_window) }.max,
    max_output_tokens:  offerings.filter_map { |offering| offering.dig(:limits, :max_output_tokens) }.max,
    offering_count:     offerings.size
  }.compact
end

.aggregate_health(offerings) ⇒ Object 



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# File 'lib/legion/llm/api/native/instances.rb', line 74

def self.aggregate_health(offerings)
  states = offerings.filter_map { |offering| offering.dig(:health, :circuit_state) }.uniq.sort
  { circuit_states: states }
end

.instance_from_offerings(instance_id, offerings) ⇒ Object 



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# File 'lib/legion/llm/api/native/instances.rb', line 59

def self.instance_from_offerings(instance_id, offerings)
  rows = Array(offerings)
  return nil if rows.empty?

  {
    instance_id:     instance_id.to_s,
    provider_family: rows.map { |offering| offering[:provider_family] }.uniq.sort.join(','),
    tiers:           rows.map { |offering| offering[:tier].to_s }.uniq.sort,
    transports:      rows.map { |offering| offering[:transport].to_s }.uniq.sort,
    health:          aggregate_health(rows),
    capacity:        aggregate_capacity(rows),
    offerings:       rows.sort_by { |offering| offering[:offering_id].to_s }
  }
end

.instances_from_offerings(offerings) ⇒ Object 



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# File 'lib/legion/llm/api/native/instances.rb', line 52

def self.instances_from_offerings(offerings)
  instances = offerings.group_by { |offering| offering[:instance_id] }.filter_map do |instance_id, rows|
    instance_from_offerings(instance_id, rows)
  end
  instances.sort_by { |instance| instance[:instance_id] }
end

.registered(app) ⇒ Object 



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# File 'lib/legion/llm/api/native/instances.rb', line 12

def self.registered(app)
  log.debug('[llm][api][instances] registering provider instance inventory routes')

  app.get '/api/llm/instances' do
    log.debug('[llm][api][instances] action=list_instances')
    require_llm!

    offerings = Legion::LLM::Inventory.offerings
    instances = Legion::LLM::API::Native::Instances.instances_from_offerings(offerings)

    json_response({
                    instances: instances,
                    summary:   {
                      total:     instances.size,
                      providers: instances.map { |instance| instance[:provider_family] }.uniq.size
                    }
                  })
  rescue StandardError => e
    handle_exception(e, level: :error, handled: true, operation: 'llm.api.instances.list')
    json_error('instance_inventory_error', e.message, status_code: 500)
  end

  app.get '/api/llm/instances/:id' do
    instance_id = params[:id]
    log.debug("[llm][api][instances] action=get_instance id=#{instance_id}")
    require_llm!

    offerings = Legion::LLM::Inventory.offerings(instance_id: instance_id)
    instance = Legion::LLM::API::Native::Instances.instance_from_offerings(instance_id, offerings)
    halt json_error('instance_not_found', "Instance '#{instance_id}' not found", status_code: 404) unless instance

    json_response({ instance: instance })
  rescue StandardError => e
    handle_exception(e, level: :error, handled: true, operation: 'llm.api.instances.get')
    json_error('instance_inventory_error', e.message, status_code: 500)
  end

  log.debug('[llm][api][instances] provider instance inventory routes registered')
end