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plugin_config.lua
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plugin_config.lua
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--
-- Licensed to the Apache Software Foundation (ASF) under one or more
-- contributor license agreements. See the NOTICE file distributed with
-- this work for additional information regarding copyright ownership.
-- The ASF licenses this file to You under the Apache License, Version 2.0
-- (the "License"); you may not use this file except in compliance with
-- the License. You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
local core = require("apisix.core")
local plugin_checker = require("apisix.plugin").plugin_checker
local pairs = pairs
local error = error
local plugin_configs
local _M = {
}
function _M.init_worker()
local err
plugin_configs, err = core.config.new("/plugin_configs", {
automatic = true,
item_schema = core.schema.plugin_config,
checker = plugin_checker,
})
if not plugin_configs then
error("failed to sync /plugin_configs: " .. err)
end
end
function _M.get(id)
return plugin_configs:get(id)
end
function _M.merge(route_conf, plugin_config)
if route_conf.prev_plugin_config_ver == plugin_config.modifiedIndex then
return route_conf
end
if not route_conf.value.plugins then
route_conf.value.plugins = {}
end
if route_conf.orig_plugins then
-- recover
route_conf.value.plugins = route_conf.orig_plugins
else
-- backup in the first time
route_conf.orig_plugins = route_conf.value.plugins
end
route_conf.value.plugins = core.table.clone(route_conf.value.plugins)
for name, value in pairs(plugin_config.value.plugins) do
if not route_conf.value.plugins[name] then
route_conf.value.plugins[name] = value
end
end
route_conf.update_count = route_conf.update_count + 1
route_conf.modifiedIndex = route_conf.orig_modifiedIndex .. "#" .. route_conf.update_count
route_conf.prev_plugin_config_ver = plugin_config.modifiedIndex
return route_conf
end
return _M