91 lines
3.8 KiB
Ruby
91 lines
3.8 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Ci
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class RunnerUpgradeCheck
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def initialize(gitlab_version, runner_releases_store = nil)
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@gitlab_version = ::Gitlab::VersionInfo.parse(gitlab_version, parse_suffix: true)
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@releases_store = runner_releases_store
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end
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def check_runner_upgrade_suggestion(runner_version)
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check_runner_upgrade_suggestions(runner_version).first
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end
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private
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def runner_releases_store
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@releases_store ||= RunnerReleases.instance
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end
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def add_suggestion(suggestions, runner_version, version, status)
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return false unless version && version > runner_version
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suggestions[version] = status
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true
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end
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def check_runner_upgrade_suggestions(runner_version)
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runner_version = ::Gitlab::VersionInfo.parse(runner_version, parse_suffix: true)
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return { runner_version => :invalid_version } unless runner_version.valid?
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return { runner_version => :error } unless runner_releases_store.releases
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suggestions = {}
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# Recommend update if outside of backport window
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unless add_recommendation_if_outside_backport_window(runner_version, suggestions)
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# Recommend patch update if there's a newer release in a same minor branch as runner
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add_recommended_runner_release_update(runner_version, suggestions)
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end
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# Consider update if there's a newer release within the currently deployed GitLab version
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add_available_runner_release(runner_version, suggestions)
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suggestions[runner_version] = :not_available if suggestions.empty?
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suggestions
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end
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def add_recommended_runner_release_update(runner_version, suggestions)
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recommended_release = runner_releases_store.releases_by_minor[runner_version.without_patch]
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return true if add_suggestion(suggestions, runner_version, recommended_release, :recommended)
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# Consider the edge case of pre-release runner versions that get registered, but are never published.
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# In this case, suggest the latest compatible runner version
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latest_release = runner_releases_store.releases_by_minor.values.select { |v| v < @gitlab_version }.max
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add_suggestion(suggestions, runner_version, latest_release, :recommended)
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end
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def add_available_runner_release(runner_version, suggestions)
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available_version = runner_releases_store.releases_by_minor[@gitlab_version.without_patch]
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unless suggestions.include?(available_version)
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add_suggestion(suggestions, runner_version, available_version, :available)
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end
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end
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def add_recommendation_if_outside_backport_window(runner_version, suggestions)
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return false if runner_releases_store.releases.empty?
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return false if runner_version >= runner_releases_store.releases.last # return early if runner version is too new
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minor_releases_with_index = runner_releases_store.releases_by_minor.keys.each_with_index.to_h
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runner_minor_version_index = minor_releases_with_index[runner_version.without_patch]
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if runner_minor_version_index
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# https://docs.gitlab.com/ee/policy/maintenance.html#backporting-to-older-releases
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outside_window = minor_releases_with_index.count - runner_minor_version_index > 3
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if outside_window
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recommended_version = runner_releases_store.releases_by_minor[@gitlab_version.without_patch]
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return add_suggestion(suggestions, runner_version, recommended_version, :recommended)
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end
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else
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# If unknown runner version, then recommend the latest version for the GitLab instance
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return add_recommended_runner_release_update(@gitlab_version, suggestions)
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end
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false
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end
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end
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end
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end
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