ReachableCEO
54cc5f7308
- Implements Apache APISIX packaging for Cloudron platform. - Includes Dockerfile, CloudronManifest.json, and start.sh. - Configured to use Cloudron's etcd addon. 🤖 Generated with Gemini CLI Co-Authored-By: Gemini <noreply@google.com>
90 lines
2.3 KiB
Lua
90 lines
2.3 KiB
Lua
--
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-- Licensed to the Apache Software Foundation (ASF) under one or more
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-- contributor license agreements. See the NOTICE file distributed with
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-- this work for additional information regarding copyright ownership.
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-- The ASF licenses this file to You under the Apache License, Version 2.0
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-- (the "License"); you may not use this file except in compliance with
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-- the License. You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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--
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local redis = require("apisix.utils.redis")
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local core = require("apisix.core")
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local assert = assert
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local setmetatable = setmetatable
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local tostring = tostring
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local _M = {version = 0.3}
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local mt = {
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__index = _M
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}
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local script = core.string.compress_script([=[
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assert(tonumber(ARGV[3]) >= 1, "cost must be at least 1")
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local ttl = redis.call('ttl', KEYS[1])
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if ttl < 0 then
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redis.call('set', KEYS[1], ARGV[1] - ARGV[3], 'EX', ARGV[2])
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return {ARGV[1] - ARGV[3], ARGV[2]}
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end
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return {redis.call('incrby', KEYS[1], 0 - ARGV[3]), ttl}
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]=])
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function _M.new(plugin_name, limit, window, conf)
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assert(limit > 0 and window > 0)
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local self = {
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limit = limit,
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window = window,
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conf = conf,
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plugin_name = plugin_name,
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}
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return setmetatable(self, mt)
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end
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function _M.incoming(self, key, cost)
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local conf = self.conf
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local red, err = redis.new(conf)
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if not red then
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return red, err, 0
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end
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local limit = self.limit
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local window = self.window
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local res
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key = self.plugin_name .. tostring(key)
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local ttl = 0
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res, err = red:eval(script, 1, key, limit, window, cost or 1)
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if err then
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return nil, err, ttl
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end
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local remaining = res[1]
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ttl = res[2]
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local ok, err = red:set_keepalive(10000, 100)
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if not ok then
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return nil, err, ttl
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end
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if remaining < 0 then
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return nil, "rejected", ttl
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end
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return 0, remaining, ttl
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end
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return _M
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