Class: Kaal::SchedulerFileLoader::PayloadLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/kaal/scheduler_file/payload_loader.rb

Overview

Loads and validates scheduler YAML payloads from disk.

Instance Method Summary collapse

Constructor Details

#initialize(configuration:, runtime_context:, logger:, hash_transform:) ⇒ PayloadLoader

Returns a new instance of PayloadLoader.



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# File 'lib/kaal/scheduler_file/payload_loader.rb', line 14

def initialize(configuration:, runtime_context:, logger:, hash_transform:)
  @configuration = configuration
  @runtime_context = runtime_context
  @logger = logger
  @hash_transform = hash_transform
end

Instance Method Details

#extract_jobs(payload) ⇒ Object

Raises:



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# File 'lib/kaal/scheduler_file/payload_loader.rb', line 36

def extract_jobs(payload)
  environment_name = @runtime_context.environment_name
  defaults = fetch_hash(payload, 'defaults')
  env_payload = fetch_hash(payload, environment_name)
  default_jobs = defaults.fetch('jobs', [])
  env_jobs = env_payload.fetch('jobs', [])
  raise SchedulerConfigError, "Expected 'defaults.jobs' to be an array" unless default_jobs.is_a?(Array)
  raise SchedulerConfigError, "Expected '#{environment_name}.jobs' to be an array" unless env_jobs.is_a?(Array)

  default_jobs + env_jobs
end

#handle_missing_file(path) ⇒ Object

Raises:



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# File 'lib/kaal/scheduler_file/payload_loader.rb', line 28

def handle_missing_file(path)
  message = "Scheduler file not found at #{path}"
  raise SchedulerConfigError, message if @configuration.scheduler_missing_file_policy == :error

  @logger&.warn(message)
  []
end

#load ⇒ Object 



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# File 'lib/kaal/scheduler_file/payload_loader.rb', line 21

def load
  path = scheduler_file_path
  return [path, nil] unless File.exist?(path)

  [path, parse_yaml(path)]
end

#validate_unique_keys(jobs) ⇒ Object

Raises:



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# File 'lib/kaal/scheduler_file/payload_loader.rb', line 48

def validate_unique_keys(jobs)
  keys = jobs.map do |job_payload|
    raise SchedulerConfigError, "Each jobs entry must be a mapping, got #{job_payload.class}" unless job_payload.is_a?(Hash)

    @hash_transform.stringify_keys(job_payload)['key'].to_s.strip
  end
  duplicates = keys.group_by(&:itself).select { |key, arr| !key.empty? && arr.size > 1 }.keys
  return if duplicates.empty?

  raise SchedulerConfigError, "Duplicate job keys in scheduler file: #{duplicates.join(', ')}"
end