94 lines
2.6 KiB
Ruby
94 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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module Ci
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module BuildTraceChunks
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class Redis
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CHUNK_REDIS_TTL = 1.week
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LUA_APPEND_CHUNK = <<~EOS.freeze
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local key, new_data, offset = KEYS[1], ARGV[1], ARGV[2]
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local length = new_data:len()
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local expire = #{CHUNK_REDIS_TTL.seconds}
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local current_size = redis.call("strlen", key)
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offset = tonumber(offset)
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if offset == 0 then
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-- overwrite everything
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redis.call("set", key, new_data, "ex", expire)
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return redis.call("strlen", key)
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elseif offset > current_size then
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-- offset range violation
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return -1
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elseif offset + length >= current_size then
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-- efficiently append or overwrite and append
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redis.call("expire", key, expire)
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return redis.call("setrange", key, offset, new_data)
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else
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-- append and truncate
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local current_data = redis.call("get", key)
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new_data = current_data:sub(1, offset) .. new_data
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redis.call("set", key, new_data, "ex", expire)
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return redis.call("strlen", key)
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end
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EOS
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def available?
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true
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end
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def data(model)
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Gitlab::Redis::SharedState.with do |redis|
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redis.get(key(model))
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end
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end
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def set_data(model, new_data)
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Gitlab::Redis::SharedState.with do |redis|
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redis.set(key(model), new_data, ex: CHUNK_REDIS_TTL)
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end
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end
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def append_data(model, new_data, offset)
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Gitlab::Redis::SharedState.with do |redis|
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redis.eval(LUA_APPEND_CHUNK, keys: [key(model)], argv: [new_data, offset])
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end
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end
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def size(model)
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Gitlab::Redis::SharedState.with do |redis|
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redis.strlen(key(model))
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end
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end
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def delete_data(model)
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delete_keys([[model.build_id, model.chunk_index]])
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end
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def keys(relation)
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relation.pluck(:build_id, :chunk_index)
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end
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def delete_keys(keys)
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return if keys.empty?
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keys = keys.map { |key| key_raw(*key) }
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Gitlab::Redis::SharedState.with do |redis|
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# https://gitlab.com/gitlab-org/gitlab/-/issues/224171
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Gitlab::Instrumentation::RedisClusterValidator.allow_cross_slot_commands do
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redis.del(keys)
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end
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end
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end
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private
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def key(model)
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key_raw(model.build_id, model.chunk_index)
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end
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def key_raw(build_id, chunk_index)
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"gitlab:ci:trace:#{build_id.to_i}:chunks:#{chunk_index.to_i}"
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end
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end
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end
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end
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