| -- |
| -- 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 expr = require("resty.expr.v1") |
| local core = require("apisix.core") |
| local apisix_upstream = require("apisix.upstream") |
| local resource = require("apisix.admin.resource") |
| local schema_plugin = require("apisix.admin.plugins").check_schema |
| local type = type |
| local loadstring = loadstring |
| |
| |
| local function check_conf(id, conf, need_id, schema) |
| if conf.host and conf.hosts then |
| return nil, {error_msg = "only one of host or hosts is allowed"} |
| end |
| |
| if conf.remote_addr and conf.remote_addrs then |
| return nil, {error_msg = "only one of remote_addr or remote_addrs is " |
| .. "allowed"} |
| end |
| |
| local ok, err = core.schema.check(schema, conf) |
| if not ok then |
| return nil, {error_msg = "invalid configuration: " .. err} |
| end |
| |
| local upstream_conf = conf.upstream |
| if upstream_conf then |
| local ok, err = apisix_upstream.check_upstream_conf(upstream_conf) |
| if not ok then |
| return nil, {error_msg = err} |
| end |
| end |
| |
| local upstream_id = conf.upstream_id |
| if upstream_id then |
| local key = "/upstreams/" .. upstream_id |
| local res, err = core.etcd.get(key) |
| if not res then |
| return nil, {error_msg = "failed to fetch upstream info by " |
| .. "upstream id [" .. upstream_id .. "]: " |
| .. err} |
| end |
| |
| if res.status ~= 200 then |
| return nil, {error_msg = "failed to fetch upstream info by " |
| .. "upstream id [" .. upstream_id .. "], " |
| .. "response code: " .. res.status} |
| end |
| end |
| |
| local service_id = conf.service_id |
| if service_id then |
| local key = "/services/" .. service_id |
| local res, err = core.etcd.get(key) |
| if not res then |
| return nil, {error_msg = "failed to fetch service info by " |
| .. "service id [" .. service_id .. "]: " |
| .. err} |
| end |
| |
| if res.status ~= 200 then |
| return nil, {error_msg = "failed to fetch service info by " |
| .. "service id [" .. service_id .. "], " |
| .. "response code: " .. res.status} |
| end |
| end |
| |
| local plugin_config_id = conf.plugin_config_id |
| if plugin_config_id then |
| local key = "/plugin_configs/" .. plugin_config_id |
| local res, err = core.etcd.get(key) |
| if not res then |
| return nil, {error_msg = "failed to fetch plugin config info by " |
| .. "plugin config id [" .. plugin_config_id .. "]: " |
| .. err} |
| end |
| |
| if res.status ~= 200 then |
| return nil, {error_msg = "failed to fetch plugin config info by " |
| .. "plugin config id [" .. plugin_config_id .. "], " |
| .. "response code: " .. res.status} |
| end |
| end |
| |
| if conf.plugins then |
| local ok, err = schema_plugin(conf.plugins) |
| if not ok then |
| return nil, {error_msg = err} |
| end |
| end |
| |
| if conf.vars then |
| ok, err = expr.new(conf.vars) |
| if not ok then |
| return nil, {error_msg = "failed to validate the 'vars' expression: " .. err} |
| end |
| end |
| |
| if conf.filter_func then |
| local func, err = loadstring("return " .. conf.filter_func) |
| if not func then |
| return nil, {error_msg = "failed to load 'filter_func' string: " |
| .. err} |
| end |
| |
| if type(func()) ~= "function" then |
| return nil, {error_msg = "'filter_func' should be a function"} |
| end |
| end |
| |
| if conf.script then |
| local obj, err = loadstring(conf.script) |
| if not obj then |
| return nil, {error_msg = "failed to load 'script' string: " |
| .. err} |
| end |
| |
| if type(obj()) ~= "table" then |
| return nil, {error_msg = "'script' should be a Lua object"} |
| end |
| end |
| |
| return true |
| end |
| |
| |
| return resource.new({ |
| name = "routes", |
| kind = "route", |
| schema = core.schema.route, |
| checker = check_conf |
| }) |