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local clear = tonumber(ARGV[num_static_argv + 1])
local limiter_version = ARGV[num_static_argv + 2]
local num_local_argv = num_static_argv + 2
if clear == 1 then
redis.call('del', unpack(KEYS))
end
if redis.call('exists', settings_key) == 0 then
-- Create
local args = {'hmset', settings_key}
for i = num_local_argv + 1, #ARGV do
table.insert(args, ARGV[i])
end
redis.call(unpack(args))
redis.call('hmset', settings_key,
'nextRequest', now,
'lastReservoirRefresh', now,
'lastReservoirIncrease', now,
'running', 0,
'done', 0,
'unblockTime', 0,
'capacityPriorityCounter', 0
)
else
-- Apply migrations
local settings = redis.call('hmget', settings_key,
'id',
'version'
)
local id = settings[1]
local current_version = settings[2]
if current_version ~= limiter_version then
local version_digits = {}
for k, v in string.gmatch(current_version, "([^.]+)") do
table.insert(version_digits, tonumber(k))
end
-- 2.10.0
if version_digits[2] < 10 then
redis.call('hsetnx', settings_key, 'reservoirRefreshInterval', '')
redis.call('hsetnx', settings_key, 'reservoirRefreshAmount', '')
redis.call('hsetnx', settings_key, 'lastReservoirRefresh', '')
redis.call('hsetnx', settings_key, 'done', 0)
redis.call('hset', settings_key, 'version', '2.10.0')
end
-- 2.11.1
if version_digits[2] < 11 or (version_digits[2] == 11 and version_digits[3] < 1) then
if redis.call('hstrlen', settings_key, 'lastReservoirRefresh') == 0 then
redis.call('hmset', settings_key,
'lastReservoirRefresh', now,
'version', '2.11.1'
)
end
end
-- 2.14.0
if version_digits[2] < 14 then
local old_running_key = 'b_'..id..'_running'
local old_executing_key = 'b_'..id..'_executing'
if redis.call('exists', old_running_key) == 1 then
redis.call('rename', old_running_key, job_weights_key)
end
if redis.call('exists', old_executing_key) == 1 then
redis.call('rename', old_executing_key, job_expirations_key)
end
redis.call('hset', settings_key, 'version', '2.14.0')
end
-- 2.15.2
if version_digits[2] < 15 or (version_digits[2] == 15 and version_digits[3] < 2) then
redis.call('hsetnx', settings_key, 'capacityPriorityCounter', 0)
redis.call('hset', settings_key, 'version', '2.15.2')
end
-- 2.17.0
if version_digits[2] < 17 then
redis.call('hsetnx', settings_key, 'clientTimeout', 10000)
redis.call('hset', settings_key, 'version', '2.17.0')
end
-- 2.18.0
if version_digits[2] < 18 then
redis.call('hsetnx', settings_key, 'reservoirIncreaseInterval', '')
redis.call('hsetnx', settings_key, 'reservoirIncreaseAmount', '')
redis.call('hsetnx', settings_key, 'reservoirIncreaseMaximum', '')
redis.call('hsetnx', settings_key, 'lastReservoirIncrease', now)
redis.call('hset', settings_key, 'version', '2.18.0')
end
end
process_tick(now, false)
end
local groupTimeout = tonumber(redis.call('hget', settings_key, 'groupTimeout'))
refresh_expiration(0, 0, groupTimeout)
return {}