From bd11dc5f25d78b61dbf83a2f20a6b16c4986f13d Mon Sep 17 00:00:00 2001
From: Yuri Shkuro <github@ysh.us>
Date: Sat, 7 Dec 2024 13:04:44 -0500
Subject: [PATCH] Pring EOL notice from v1 binaries

Signed-off-by: Yuri Shkuro <github@ysh.us>
---
 cmd/all-in-one/main.go        |  1 +
 cmd/collector/main.go         |  1 +
 cmd/ingester/main.go          |  1 +
 cmd/internal/flags/service.go | 24 ++++++++++++++++++++++++
 cmd/query/main.go             |  1 +
 5 files changed, 28 insertions(+)

diff --git a/cmd/all-in-one/main.go b/cmd/all-in-one/main.go
index 9b7b89dfba1..c9382ac80a7 100644
--- a/cmd/all-in-one/main.go
+++ b/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)
diff --git a/cmd/collector/main.go b/cmd/collector/main.go
index 86f26d1cb84..52528ada6fb 100644
--- a/cmd/collector/main.go
+++ b/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))
diff --git a/cmd/ingester/main.go b/cmd/ingester/main.go
index efc08cea61f..4500b997311 100644
--- a/cmd/ingester/main.go
+++ b/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))
diff --git a/cmd/internal/flags/service.go b/cmd/internal/flags/service.go
index 7a276d59d18..06205157bac 100644
--- a/cmd/internal/flags/service.go
+++ b/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)
diff --git a/cmd/query/main.go b/cmd/query/main.go
index 5d32b5db10f..4868cb28428 100644
--- a/cmd/query/main.go
+++ b/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))