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>

CloudronPackages/APISIX/apisix-source/apisix/plugins/skywalking-logger.lua

@@ -0,0 +1,194 @@
+--
+-- 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 bp_manager_mod  = require("apisix.utils.batch-processor-manager")
+local log_util        = require("apisix.utils.log-util")
+local core            = require("apisix.core")
+local http            = require("resty.http")
+local url             = require("net.url")
+
+local base64          = require("ngx.base64")
+local ngx_re          = require("ngx.re")
+
+local ngx      = ngx
+local tostring = tostring
+local tonumber = tonumber
+
+local plugin_name = "skywalking-logger"
+local batch_processor_manager = bp_manager_mod.new("skywalking logger")
+local schema = {
+    type = "object",
+    properties = {
+        endpoint_addr = core.schema.uri_def,
+        service_name = {type = "string", default = "APISIX"},
+        service_instance_name = {type = "string", default = "APISIX Instance Name"},
+        log_format = {type = "object"},
+        timeout = {type = "integer", minimum = 1, default = 3},
+        include_req_body = {type = "boolean", default = false},
+        include_req_body_expr = {
+            type = "array",
+            minItems = 1,
+            items = {
+                type = "array"
+            }
+        },
+        include_resp_body = { type = "boolean", default = false },
+        include_resp_body_expr = {
+            type = "array",
+            minItems = 1,
+            items = {
+                type = "array"
+            }
+        },
+    },
+    required = {"endpoint_addr"},
+}
+
+
+local metadata_schema = {
+    type = "object",
+    properties = {
+        log_format = {
+            type = "object"
+        }
+    },
+}
+
+
+local _M = {
+    version = 0.1,
+    priority = 408,
+    name = plugin_name,
+    schema = batch_processor_manager:wrap_schema(schema),
+    metadata_schema = metadata_schema,
+}
+
+
+function _M.check_schema(conf, schema_type)
+    if schema_type == core.schema.TYPE_METADATA then
+        return core.schema.check(metadata_schema, conf)
+    end
+    local check = {"endpoint_addr"}
+    core.utils.check_https(check, conf, plugin_name)
+    return core.schema.check(schema, conf)
+end
+
+
+local function send_http_data(conf, log_message)
+    local err_msg
+    local res = true
+    local url_decoded = url.parse(conf.endpoint_addr)
+    local host = url_decoded.host
+    local port = url_decoded.port
+
+    core.log.info("sending a batch logs to ", conf.endpoint_addr)
+
+    local httpc = http.new()
+    httpc:set_timeout(conf.timeout * 1000)
+    local ok, err = httpc:connect(host, port)
+
+    if not ok then
+        return false, "failed to connect to host[" .. host .. "] port["
+            .. tostring(port) .. "] " .. err
+    end
+
+    local httpc_res, httpc_err = httpc:request({
+        method = "POST",
+        path = "/v3/logs",
+        body = log_message,
+        headers = {
+            ["Host"] = url_decoded.host,
+            ["Content-Type"] = "application/json",
+        }
+    })
+
+    if not httpc_res then
+        return false, "error while sending data to [" .. host .. "] port["
+            .. tostring(port) .. "] " .. httpc_err
+    end
+
+    -- some error occurred in the server
+    if httpc_res.status >= 400 then
+        res =  false
+        err_msg = "server returned status code[" .. httpc_res.status .. "] host["
+            .. host .. "] port[" .. tostring(port) .. "] "
+            .. "body[" .. httpc_res:read_body() .. "]"
+    end
+
+    return res, err_msg
+end
+
+
+function _M.body_filter(conf, ctx)
+    log_util.collect_body(conf, ctx)
+end
+
+
+function _M.log(conf, ctx)
+    local log_body = log_util.get_log_entry(plugin_name, conf, ctx)
+    local trace_context
+    local sw_header = ngx.req.get_headers()["sw8"]
+    if sw_header then
+        -- 1-TRACEID-SEGMENTID-SPANID-PARENT_SERVICE-PARENT_INSTANCE-PARENT_ENDPOINT-IPPORT
+        local ids = ngx_re.split(sw_header, '-')
+        if #ids == 8 then
+            trace_context = {
+                traceId = base64.decode_base64url(ids[2]),
+                traceSegmentId = base64.decode_base64url(ids[3]),
+                spanId = tonumber(ids[4])
+            }
+        else
+            core.log.warn("failed to parse trace_context header: ", sw_header)
+        end
+    end
+
+    local service_instance_name = conf.service_instance_name
+    if service_instance_name == "$hostname" then
+        service_instance_name = core.utils.gethostname()
+    end
+
+    local entry = {
+        traceContext = trace_context,
+        body = {
+            json = {
+                json = core.json.encode(log_body, true)
+            }
+        },
+        service = conf.service_name,
+        serviceInstance = service_instance_name,
+        endpoint = ctx.var.uri,
+    }
+
+    if batch_processor_manager:add_entry(conf, entry) then
+        return
+    end
+
+    -- Generate a function to be executed by the batch processor
+    local func = function(entries, batch_max_size)
+        local data, err = core.json.encode(entries)
+        if not data then
+            return false, 'error occurred while encoding the data: ' .. err
+        end
+
+        return send_http_data(conf, data)
+    end
+
+    batch_processor_manager:add_entry_to_new_processor(conf, entry, ctx, func)
+end
+
+
+return _M