From ac99127ce0bee913549fb80e2a96d294cf71762d Mon Sep 17 00:00:00 2001
From: Magnus Schieder <50337967+m-schieder@users.noreply.github.com>
Date: Wed, 16 Sep 2026 13:58:23 +0200
Subject: [PATCH] Add retry for 'no route to host' (#94)

---
 internal/constants/constants.go                       | 4 ++--
 internal/manage/actions/migrations/migrations.go      | 1 +
 internal/manage/actions/migrations/migrations_test.go | 1 +
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/internal/constants/constants.go b/internal/constants/constants.go
index e3f6de2..de315d6 100644
--- a/internal/constants/constants.go
+++ b/internal/constants/constants.go
@@ -230,10 +230,10 @@ const (
 	FinalizationStatusFailed string = "finalization_failed"
 
 	// MigrationMaxRetries is the maximum number of retry attempts for failed migration requests
-	MigrationMaxRetries int = 5
+	MigrationMaxRetries int = 8
 
 	// MigrationRetryDelay is the delay between retry attempts
-	MigrationRetryDelay time.Duration = 5 * time.Second
+	MigrationRetryDelay time.Duration = 3 * time.Second
 
 	// MigrationTotalTimeout is the maximum time allowed for all retry attempts
 	MigrationTotalTimeout time.Duration = 3 * time.Minute
diff --git a/internal/manage/actions/migrations/migrations.go b/internal/manage/actions/migrations/migrations.go
index 953b82f..10fc707 100644
--- a/internal/manage/actions/migrations/migrations.go
+++ b/internal/manage/actions/migrations/migrations.go
@@ -361,6 +361,7 @@ func isRetryableError(err error) bool {
 		"eof",
 		"broken pipe",
 		"i/o timeout",
+		"connect: no route to host",
 	}
 
 	for _, pattern := range retryablePatterns {
diff --git a/internal/manage/actions/migrations/migrations_test.go b/internal/manage/actions/migrations/migrations_test.go
index 9d4298d..a5405b9 100644
--- a/internal/manage/actions/migrations/migrations_test.go
+++ b/internal/manage/actions/migrations/migrations_test.go
@@ -211,6 +211,7 @@ func TestIsRetryableError(t *testing.T) {
 		{"connection reset", "connection reset by peer", true},
 		{"timeout", "i/o timeout", true},
 		{"eof", "unexpected EOF", true},
+		{"no route to host", "connect: no route to host", true},
 		{"server error 503", "server returned 503", true},
 		{"server error 502", "bad gateway 502", true},
 		{"server error 504", "gateway timeout 504", true},