Class: GitLab::Monitor::Database::BloatProber

Inherits:
Object
  • Object
show all
Defined in:
lib/gitlab_monitor/database/bloat.rb

Overview

Prober class to gather bloat metrics

Constant Summary collapse

METRIC_KEYS =
%w(bloat_ratio bloat_size extra_size real_size).freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts, metrics: PrometheusMetrics.new, collector: BloatCollector.new(connection_string: opts[:connection_string])) ⇒ BloatProber

Returns a new instance of BloatProber.


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# File 'lib/gitlab_monitor/database/bloat.rb', line 40

def initialize(opts,
               metrics: PrometheusMetrics.new,
               collector: BloatCollector.new(connection_string: opts[:connection_string]))
  @metrics = metrics
  @collector = collector
  @bloat_types = opts[:bloat_types] || %i(btree table)
end

Instance Attribute Details

#bloat_typesObject (readonly)

Returns the value of attribute bloat_types


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# File 'lib/gitlab_monitor/database/bloat.rb', line 38

def bloat_types
  @bloat_types
end

#collectorObject (readonly)

Returns the value of attribute collector


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# File 'lib/gitlab_monitor/database/bloat.rb', line 38

def collector
  @collector
end

#metricsObject (readonly)

Returns the value of attribute metrics


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# File 'lib/gitlab_monitor/database/bloat.rb', line 38

def metrics
  @metrics
end

Instance Method Details

#probe_dbObject


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# File 'lib/gitlab_monitor/database/bloat.rb', line 48

def probe_db
  bloat_types.each do |type|
    probe_for_type(type)
  end
end

#write_to(target) ⇒ Object


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# File 'lib/gitlab_monitor/database/bloat.rb', line 54

def write_to(target)
  target.write(metrics.to_s)
end