47 lines
1.4 KiB
Ruby
47 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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module Clusters
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class AgentToken < ApplicationRecord
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include RedisCacheable
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include TokenAuthenticatable
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add_authentication_token_field :token, encrypted: :required, token_generator: -> { Devise.friendly_token(50) }
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cached_attr_reader :last_contacted_at
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self.table_name = 'cluster_agent_tokens'
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# The `UPDATE_USED_COLUMN_EVERY` defines how often the token DB entry can be updated
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UPDATE_USED_COLUMN_EVERY = (40.minutes..55.minutes).freeze
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belongs_to :agent, class_name: 'Clusters::Agent', optional: false
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belongs_to :created_by_user, class_name: 'User', optional: true
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before_save :ensure_token
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validates :description, length: { maximum: 1024 }
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validates :name, presence: true, length: { maximum: 255 }, on: :create
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def track_usage
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track_values = { last_used_at: Time.current.utc }
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cache_attributes(track_values)
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# Use update_column so updated_at is skipped
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update_columns(track_values) if can_update_track_values?
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end
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private
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def can_update_track_values?
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# Use a random threshold to prevent beating DB updates.
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last_used_at_max_age = Random.rand(UPDATE_USED_COLUMN_EVERY)
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real_last_used_at = read_attribute(:last_used_at)
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# Handle too many updates from high token traffic
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real_last_used_at.nil? ||
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(Time.current - real_last_used_at) >= last_used_at_max_age
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end
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end
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end
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