Files
OpenFlare/internal/apps/agent/nginx/observability_assets.go
T
ryan aa4faddade 补齐 131 个 .go 文件的 SPDX license 头(repo 自带 make license 约定,早于约定新增的文件含 2 个生产文件;纯注释插入零行为影响),make license-check 转绿。go mod tidy -diff 确认干净。
Result: {"status":"keep","total_issues":8,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_exhaustive":0,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":1,"golint_usestdlibvars":0,"golint_wastedassign":0,"golint_total":8,"golint_test_testifylint":0,"golint_test_thelper":0,"golint_test_usetesting":0,"golint_test_total":0,"golint_vetx_total":0,"eslint_problems":0,"eslint_errors":0,"eslint_warnings":0,"tsc_errors":0,"vitest_failed":0,"vitest_total":116,"measure_s":81}
2026-08-16 20:09:24 +08:00

68 lines
2.2 KiB
Go

// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
package nginx
import "github.com/Rain-kl/Wavelet/internal/apps/agent/protocol"
// Local OpenResty observability endpoint (target model):
// GET /openflare/observability returns instantaneous health/connections only.
// Business traffic is collected exclusively from access.log.
const openRestyObservabilityInitLua = `return
`
// log.lua no longer accumulates business counters (access.log is the authority).
const openRestyObservabilityLogLua = `return
`
// read.lua exposes stub_status-style connection gauges as JSON.
const openRestyObservabilityReadLua = `local cjson = require "cjson.safe"
local function read_stub_status()
local res = ngx.location.capture("/openflare/stub_status")
if not res or res.status ~= 200 or not res.body then
return nil
end
local body = res.body
local active = tonumber(string.match(body, "Active connections:%s*(%d+)")) or 0
local reading = tonumber(string.match(body, "Reading:%s*(%d+)")) or 0
local writing = tonumber(string.match(body, "Writing:%s*(%d+)")) or 0
local waiting = tonumber(string.match(body, "Waiting:%s*(%d+)")) or 0
return {
active = active,
reading = reading,
writing = writing,
waiting = waiting
}
end
local connections = read_stub_status()
local payload = {
ok = connections ~= nil,
captured_at_unix = ngx.time(),
connections = connections or {
active = 0,
reading = 0,
writing = 0,
waiting = 0
}
}
ngx.header.content_type = "application/json"
ngx.status = ngx.HTTP_OK
ngx.say(cjson.encode(payload))
`
// ManagedObservabilityLuaFiles returns embedded Lua assets for OpenResty observability.
func ManagedObservabilityLuaFiles() []protocol.SupportFile {
return []protocol.SupportFile{
{Path: "init.lua", Content: openRestyObservabilityInitLua},
{Path: "log.lua", Content: openRestyObservabilityLogLua},
{Path: "read.lua", Content: openRestyObservabilityReadLua},
{Path: "observability/init.lua", Content: openRestyObservabilityInitLua},
{Path: "observability/log.lua", Content: openRestyObservabilityLogLua},
{Path: "observability/read.lua", Content: openRestyObservabilityReadLua},
}
}