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module Puppet::Parser::Functions
newfunction(:rotated_db_name, :type => :rvalue, :doc => <<-EOS
This function takes a database name string and returns a database name with the current rotation stamp appended.
The first argument is the base name of the database. Subsequent arguments may contain these options:
* 'next' -- return the db name for the next rotation, not the current one.
* 'monthly' -- rotate monthly (default)
* 'weekly' -- rotate weekly
*Examples:*
rotated_db_name('tokens') => 'tokens_551'
EOS
) do |arguments|
if arguments.include?('weekly')
rotation_period = 604800 # 1 week
else
rotation_period = 2592000 # 1 month
end
suffix = Time.now.utc.to_i / rotation_period
if arguments.include?('next')
suffix += 1
end
"#{arguments.first}_#{suffix}"
end
end
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