"lib/em-hiredis/client.rb":
def eval_script(lua, lua_sha, keys, args)
df = EM::DefaultDeferrable.new
method_missing(:evalsha, lua_sha, keys.size, *keys, *args).callback(
&df.method(:succeed)
).errback { |e|
if e.kind_of?(RedisError) &&
e.redis_error.message.start_with?("NOSCRIPT")
self.eval(lua, keys.size, *keys, *args)
.callback(&df.method(:succeed)).errback(&df.method(:fail))
else
df.fail(e)
end
}
df
end
whenever evalsha method is not available, self.eval(lua, keys.size, *keys,
*args) complains about the number of variables being given to self.eval(). It
is likely that the method definition (self) has changed among ruby versions.
The arguments seem fine, example:
lua =
-- Set key to token with expiry of timeout, if:
-- - It doesn't exist
-- - It exists and already has value of token (further set extends timeout)
-- Used to implement a re-entrant lock.
local key = KEYS[1]
local token = ARGV[1]
local timeout = ARGV[2]
local value = redis.call('get', key)
if value == token or not value then
-- Great, either we hold the lock or it's free for us to take
return redis.call('setex', key, timeout, token)
else
-- Someone else has it
return false
end
lua_sha = 32d8d2000576c02c167c899979858c886d4524aa
keys = ["test-lock"]
args= ["b978de50e36126d49314bbcec2ccc76e", 2]
** Changed in: ruby-em-hiredis (Ubuntu)
Status: New => Confirmed
** Changed in: ruby-em-hiredis (Ubuntu)
Assignee: (unassigned) => Lucas Kanashiro (lucaskanashiro)
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https://bugs.launchpad.net/bugs/1866884
Title:
Autopkgtest regression trigerred by Ruby 2.7
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