Pring EOL notice from v1 binaries

Signed-off-by: Yuri Shkuro <[email protected]>

cmd/all-in-one/main.go

@@ -45,6 +45,7 @@ import (
 
 // all-in-one/main is a standalone full-stack jaeger backend, backed by a memory store
 func main() {
+	flags.PrintV1EOL()
 	setupcontext.SetAllInOne()
 
 	svc := flags.NewService(ports.CollectorAdminHTTP)

cmd/collector/main.go

@@ -35,6 +35,7 @@ import (
 const serviceName = "jaeger-collector"
 
 func main() {
+	cmdFlags.PrintV1EOL()
 	svc := cmdFlags.NewService(ports.CollectorAdminHTTP)
 
 	storageFactory, err := storage.NewFactory(storage.FactoryConfigFromEnvAndCLI(os.Args, os.Stderr))

cmd/ingester/main.go

@@ -30,6 +30,7 @@ import (
 )
 
 func main() {
+	flags.PrintV1EOL()
 	svc := flags.NewService(ports.IngesterAdminHTTP)
 
 	storageFactory, err := storage.NewFactory(storage.FactoryConfigFromEnvAndCLI(os.Args, os.Stderr))

cmd/internal/flags/service.go

@@ -42,6 +42,30 @@ type Service struct {
 	signalsChannel chan os.Signal
 }
 
+func PrintV1EOL() {
+	println(`
+*******************************************************************************
+
+******** WARNING: End-of-life Notice for Jaeger v1
+
+You are currently running a v1 version of Jaeger, which is deprecated and will
+reach end-of-life on December 31st, 2025. This means there will be no further
+development, bug fixes, or security patches for v1 after this date.
+
+We strongly recommend migrating to Jaeger v2 for continued support and access
+to new features.
+
+For detailed migration instructions, please refer to the official Jaeger
+documentation:  https://www.jaegertracing.io/docs/latest/migration/
+
+Tracking issue: https://github.com/jaegertracing/jaeger/issues/6321
+
+******** WARNING: End-of-life Notice for Jaeger v1
+
+*******************************************************************************
+`)
+}
+
 // NewService creates a new Service.
 func NewService(adminPort int) *Service {
 	signalsChannel := make(chan os.Signal, 1)

cmd/query/main.go

@@ -36,6 +36,7 @@ import (
 )
 
 func main() {
+	flags.PrintV1EOL()
 	svc := flags.NewService(ports.QueryAdminHTTP)
 
 	storageFactory, err := storage.NewFactory(storage.FactoryConfigFromEnvAndCLI(os.Args, os.Stderr))