Class: PhobosPrometheus::CountersValidator

Inherits:
Object
  • Object
show all
Includes:
Logger
Defined in:
lib/phobos_prometheus/config_parser.rb

Overview

Validate Counters

Constant Summary collapse

COUNTER_INSTRUMENTATION_MISSING = 
'Missing required key :instrumentation for counter'
COUNTER_INVALID_KEY = 
'Invalid configuration option detected at counter level, ignoring'
COUNTER_KEYS = 
[:instrumentation].freeze

Instance Method Summary collapse

Methods included from Logger

#log_error, #log_info, #log_warn

Constructor Details

#initialize(counters) ⇒ CountersValidator

Returns a new instance of CountersValidator.



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# File 'lib/phobos_prometheus/config_parser.rb', line 11

def initialize(counters)
  @counters = counters
end

Instance Method Details

#validate ⇒ Object 



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# File 'lib/phobos_prometheus/config_parser.rb', line 15

def validate
  @counters.map do |counter|
    validate_counter(counter)
  end
end

#validate_counter(counter) ⇒ Object 



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# File 'lib/phobos_prometheus/config_parser.rb', line 21

def validate_counter(counter)
  Helper.assert_required_key(counter, :instrumentation) || \
    Helper.fail_config(COUNTER_INSTRUMENTATION_MISSING)
  Helper.check_invalid_keys(COUNTER_KEYS, counter) || \
    log_warn(COUNTER_INVALID_KEY)
end