feat(apisix): add Cloudron package
- 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>
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--
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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 require = require
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local core = require("apisix.core")
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local timers = require("apisix.timers")
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local plugin = require("apisix.plugin")
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local ngx_time = ngx.time
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local ngx_timer_at = ngx.timer.at
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local ngx_worker_id = ngx.worker.id
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local type = type
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local load_time = os.time()
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local plugin_name = "server-info"
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local default_report_ttl = 60
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local lease_id
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local schema = {
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type = "object",
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}
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local attr_schema = {
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type = "object",
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properties = {
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report_ttl = {
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type = "integer",
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description = "live time for server info in etcd",
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default = default_report_ttl,
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minimum = 3,
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maximum = 86400,
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}
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}
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}
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local internal_status = ngx.shared["internal-status"]
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if not internal_status then
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error("lua_shared_dict \"internal-status\" not configured")
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end
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local _M = {
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version = 0.1,
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priority = 990,
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name = plugin_name,
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schema = schema,
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scope = "global",
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}
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local function get_boot_time()
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local time, err = internal_status:get("server_info:boot_time")
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if err ~= nil then
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core.log.error("failed to get boot_time from shdict: ", err)
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return load_time
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end
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if time ~= nil then
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return time
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end
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local _, err = internal_status:set("server_info:boot_time", load_time)
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if err ~= nil then
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core.log.error("failed to save boot_time to shdict: ", err)
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end
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return load_time
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end
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local function uninitialized_server_info()
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local boot_time = get_boot_time()
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return {
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etcd_version = "unknown",
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hostname = core.utils.gethostname(),
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id = core.id.get(),
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version = core.version.VERSION,
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boot_time = boot_time,
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}
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end
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local function get()
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local data, err = internal_status:get("server_info")
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if err ~= nil then
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core.log.error("get error: ", err)
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return nil, err
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end
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if not data then
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return uninitialized_server_info()
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end
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local server_info, err = core.json.decode(data)
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if not server_info then
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core.log.error("failed to decode server_info: ", err)
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return nil, err
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end
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return server_info
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end
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local function get_server_info()
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local info, err = get()
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if not info then
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core.log.error("failed to get server_info: ", err)
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return 500
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end
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return 200, info
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end
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local function set(key, value, ttl)
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local res_new, err = core.etcd.set(key, value, ttl)
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if not res_new then
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core.log.error("failed to set server_info: ", err)
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return nil, err
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end
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if not res_new.body.lease_id then
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core.log.error("failed to get lease_id: ", err)
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return nil, err
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end
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lease_id = res_new.body.lease_id
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-- set or update lease_id
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local ok, err = internal_status:set("lease_id", lease_id)
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if not ok then
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core.log.error("failed to set lease_id to shdict: ", err)
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return nil, err
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end
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return true
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end
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local function report(premature, report_ttl)
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if premature then
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return
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end
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-- get apisix node info
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local server_info, err = get()
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if not server_info then
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core.log.error("failed to get server_info: ", err)
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return
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end
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if server_info.etcd_version == "unknown" then
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local res, err = core.etcd.server_version()
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if not res then
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core.log.error("failed to fetch etcd version: ", err)
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return
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elseif type(res.body) ~= "table" then
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core.log.error("failed to fetch etcd version: bad version info")
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return
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else
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if res.body.etcdcluster == "" then
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server_info.etcd_version = res.body.etcdserver
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else
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server_info.etcd_version = res.body.etcdcluster
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end
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end
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end
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-- get inside etcd data, if not exist, create it
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local key = "/data_plane/server_info/" .. server_info.id
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local res, err = core.etcd.get(key)
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if not res or (res.status ~= 200 and res.status ~= 404) then
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core.log.error("failed to get server_info from etcd: ", err)
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return
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end
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if not res.body.node then
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local ok, err = set(key, server_info, report_ttl)
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if not ok then
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core.log.error("failed to set server_info to etcd: ", err)
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return
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end
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return
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end
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local ok = core.table.deep_eq(server_info, res.body.node.value)
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-- not equal, update it
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if not ok then
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local ok, err = set(key, server_info, report_ttl)
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if not ok then
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core.log.error("failed to set server_info to etcd: ", err)
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return
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end
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return
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end
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-- get lease_id from ngx dict
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lease_id, err = internal_status:get("lease_id")
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if not lease_id then
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core.log.error("failed to get lease_id from shdict: ", err)
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return
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end
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-- call keepalive
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local res, err = core.etcd.keepalive(lease_id)
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if not res then
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core.log.error("send heartbeat failed: ", err)
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return
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end
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local data, err = core.json.encode(server_info)
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if not data then
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core.log.error("failed to encode server_info: ", err)
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return
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end
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local ok, err = internal_status:set("server_info", data)
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if not ok then
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core.log.error("failed to encode and save server info: ", err)
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return
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end
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end
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function _M.check_schema(conf)
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local ok, err = core.schema.check(schema, conf)
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if not ok then
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return false, err
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end
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return true
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end
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function _M.control_api()
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return {
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{
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methods = {"GET"},
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uris ={"/v1/server_info"},
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handler = get_server_info,
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}
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}
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end
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function _M.init()
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core.log.warn("The server-info plugin is deprecated and will be removed in a future release.")
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if core.config ~= require("apisix.core.config_etcd") then
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-- we don't need to report server info if etcd is not in use.
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return
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end
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local local_conf = core.config.local_conf()
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local deployment_role = core.table.try_read_attr(
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local_conf, "deployment", "role")
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if deployment_role == "data_plane" then
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-- data_plane should not write to etcd
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return
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end
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local attr = plugin.plugin_attr(plugin_name)
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local ok, err = core.schema.check(attr_schema, attr)
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if not ok then
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core.log.error("failed to check plugin_attr: ", err)
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return
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end
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local report_ttl = attr and attr.report_ttl or default_report_ttl
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local start_at = ngx_time()
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local fn = function()
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local now = ngx_time()
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-- If ttl remaining time is less than half, then flush the ttl
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if now - start_at >= (report_ttl / 2) then
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start_at = now
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report(nil, report_ttl)
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end
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end
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if ngx_worker_id() == 0 then
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local ok, err = ngx_timer_at(0, report, report_ttl)
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if not ok then
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core.log.error("failed to create initial timer to report server info: ", err)
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return
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end
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end
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timers.register_timer("plugin#server-info", fn, true)
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core.log.info("timer update the server info ttl, current ttl: ", report_ttl)
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end
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function _M.destroy()
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timers.unregister_timer("plugin#server-info", true)
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end
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return _M
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