124 lines
3.2 KiB
Ruby
124 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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# This class is not backed by a table in the main database.
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# It loads the latest Pipeline for the HEAD of a repository, and caches that
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# in Redis.
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module Gitlab
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module Cache
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module Ci
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class ProjectPipelineStatus
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include Gitlab::Utils::StrongMemoize
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attr_accessor :sha, :status, :ref, :project, :loaded
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def self.load_for_project(project)
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new(project).tap do |status|
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status.load_status
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end
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end
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def self.load_in_batch_for_projects(projects)
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projects.each do |project|
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project.pipeline_status = new(project)
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project.pipeline_status.load_status
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end
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end
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def self.update_for_pipeline(pipeline)
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pipeline_info = {
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sha: pipeline.sha,
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status: pipeline.status,
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ref: pipeline.ref
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}
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new(pipeline.project, pipeline_info: pipeline_info)
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.store_in_cache_if_needed
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end
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def initialize(project, pipeline_info: {}, loaded_from_cache: nil)
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@project = project
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@sha = pipeline_info[:sha]
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@ref = pipeline_info[:ref]
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@status = pipeline_info[:status]
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@loaded = loaded_from_cache
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end
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def has_status?
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loaded? && sha.present? && status.present?
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end
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def load_status
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return if loaded?
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return unless commit
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if has_cache?
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load_from_cache
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else
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load_from_project
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store_in_cache
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end
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self.loaded = true
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end
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def load_from_project
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self.sha, self.status, self.ref = commit.sha, commit.status, project.default_branch
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end
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# We only cache the status for the HEAD commit of a project
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# This status is rendered in project lists
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def store_in_cache_if_needed
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return delete_from_cache unless commit
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return unless sha
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return unless ref
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if commit.sha == sha && project.default_branch == ref
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store_in_cache
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end
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end
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def load_from_cache
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Gitlab::Redis::Cache.with do |redis|
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self.sha, self.status, self.ref = redis.hmget(cache_key, :sha, :status, :ref)
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self.status = nil if self.status.empty?
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end
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end
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def store_in_cache
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Gitlab::Redis::Cache.with do |redis|
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redis.mapped_hmset(cache_key, { sha: sha, status: status, ref: ref })
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end
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end
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def delete_from_cache
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Gitlab::Redis::Cache.with do |redis|
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redis.del(cache_key)
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end
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end
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def has_cache?
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return self.loaded unless self.loaded.nil?
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Gitlab::Redis::Cache.with do |redis|
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redis.exists(cache_key)
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end
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end
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def loaded?
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self.loaded
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end
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def cache_key
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"#{Gitlab::Redis::Cache::CACHE_NAMESPACE}:project:#{project.id}:pipeline_status:#{commit&.sha}"
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end
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def commit
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strong_memoize(:commit) do
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project.commit
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end
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end
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end
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end
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end
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end
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