debian-mirror-gitlab/lib/system_check/app/redis_version_check.rb

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# frozen_string_literal: true
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require 'redis'
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module SystemCheck
module App
class RedisVersionCheck < SystemCheck::BaseCheck
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MIN_REDIS_VERSION = '4.0.0'
RECOMMENDED_REDIS_VERSION = '4.0.0' # In future we may deprecate but still support Redis 4
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set_name "Redis version >= #{RECOMMENDED_REDIS_VERSION}?"
@custom_error_message = ''
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def check?
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redis_version = Gitlab::Redis::Queues.with do |redis|
redis.info['redis_version']
end
status = true
if !redis_version
@custom_error_message = "Could not retrieve the Redis version. Please check if your settings are correct"
status = false
elsif Gem::Version.new(redis_version) < Gem::Version.new(MIN_REDIS_VERSION)
@custom_error_message = "Your Redis version #{redis_version} is not supported anymore. Update your Redis server to a version >= #{RECOMMENDED_REDIS_VERSION}"
status = false
elsif Gem::Version.new(redis_version) < Gem::Version.new(RECOMMENDED_REDIS_VERSION)
@custom_error_message = "Support for your Redis version #{redis_version} has been deprecated and will be removed soon. Update your Redis server to a version >= #{RECOMMENDED_REDIS_VERSION}"
status = false
end
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status
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end
def show_error
try_fixing_it(
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@custom_error_message
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)
for_more_information(
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'doc/administration/redis/index.html#redis-replication-and-failover-using-the-non-bundled-redis'
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)
fix_and_rerun
end
end
end
end