Class: Readyset::Health::Healthchecks

Inherits:
Object
  • Object
show all
Defined in:
lib/readyset/health/healthchecks.rb

Overview

Represents healthchecks that are run against ReadySet to determine whether ReadySet is in a state where it can serve queries.

Instance Method Summary collapse

Constructor Details

#initialize(shard:) ⇒ Healthchecks

Returns a new instance of Healthchecks.



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# File 'lib/readyset/health/healthchecks.rb', line 6

def initialize(shard:)
  @shard = shard
end

Instance Method Details

#healthy? ⇒ Boolean

Checks if ReadySet is healthy by invoking ‘SHOW READYSET STATUS` and checking if ReadySet is connected to the upstream database.

Returns:

  • (Boolean) —

    whether ReadySet is healthy



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# File 'lib/readyset/health/healthchecks.rb', line 14

def healthy?
  connection.execute('SHOW READYSET STATUS').any? do |row|
    row['name'] == 'Database Connection' && row['value'] == 'Connected'
  end
rescue
  false
end