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feat(deps)!: migrate from fiber v2 to fiber v3

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BREAKING CHANGE: upgrades the HTTP framework from gofiber/fiber/v2 to gofiber/fiber/v3, and gofiber/websocket/v2 to gofiber/contrib/v3/websocket.

- Handlers now take fiber.Ctx (interface) instead of *fiber.Ctx. - DisableStartupMessage moved from fiber.Config to fiber.ListenConfig on the proxy/api/monitoring Listen calls. - cors AllowOrigins is now []string; c.BodyParser -> c.Bind().Body(). - app.Test takes fiber.TestConfig instead of an int timeout (tests updated). - WebSocket swapped to contrib/v3/websocket (same Conn/New/Config/IsCloseError/IsWebSocketUpgrade API; Conn.Query preserved). - Adopts fasthttp v1.71.0 (pulled by fiber v3), resolving the v1.71 Host-header enforcement that broke the prior pinned-v1.69 workaround.

fix(connpool): the background keep-alive goroutine no longer reads the mutable global cfg (captures HostGraphQL/HealthcheckGraphQL at pool creation). Under v3 timing it raced with parseConfig/test cfg reassignment; go test -race ./... is now clean (0 data races).

test: make the circuit-breaker cache-fallback and request-coalescing integration tests deterministic (cache TTL outlives the retry loop; coalescing asserts against a measured single-request baseline instead of a hard-coded count); drop the flaky timing-ratio assertion in TestTimingAttackResistance (constant-time guarantee comes from subtle.ConstantTimeCompare, not wall-clock timing).

Verified: go build, go vet, golangci-lint (0 issues), go test -race ./... (all packages pass, 0 races), govulncheck (no vulnerabilities). App + dashboard + WebSocket verified live under v3 in single-node and cluster modes.
This commit is contained in:
lukaszraczylo
2026-06-21 13:15:14 +01:00
parent 877325a633
commit 55fc2ae1de
31 changed files with 265 additions and 240 deletions
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websocket.go
+4 -4
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@@ -9,8 +9,8 @@ import (
"time"
"github.com/goccy/go-json"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/websocket/v2"
"github.com/gofiber/contrib/v3/websocket"
"github.com/gofiber/fiber/v3"
gorillaws "github.com/gorilla/websocket"
libpack_logger "github.com/lukaszraczylo/graphql-monitoring-proxy/logging"
libpack_monitoring "github.com/lukaszraczylo/graphql-monitoring-proxy/monitoring"
@@ -79,7 +79,7 @@ func NewWebSocketProxy(backendURL string, config WebSocketConfig, logger *libpac
}
// HandleWebSocket upgrades the connection and proxies WebSocket traffic
func (wsp *WebSocketProxy) HandleWebSocket(c *fiber.Ctx) error {
func (wsp *WebSocketProxy) HandleWebSocket(c fiber.Ctx) error {
if !wsp.enabled {
return fiber.NewError(fiber.StatusNotImplemented, "WebSocket support is disabled")
}
@@ -477,7 +477,7 @@ func (wsp *WebSocketProxy) GetStats() map[string]any {
}
// IsWebSocketRequest checks if the request is a WebSocket upgrade request
func IsWebSocketRequest(c *fiber.Ctx) bool {
func IsWebSocketRequest(c fiber.Ctx) bool {
return websocket.IsWebSocketUpgrade(c) ||
c.Get("Upgrade") == "websocket" ||
c.Get("Connection") == "Upgrade"