From e6f33061b2c9c6ce3676ec9be79d0bc99455bac6 Mon Sep 17 00:00:00 2001
From: xiadanni1 <xiadanni1@huawei.com>
Date: Thu, 21 Nov 2019 02:04:28 +0800
Subject: [PATCH] docker: enable setting env variable to disable db delete

reason: crash files will be cleaned up when daemon restart, this patch allows 
users to set env variable to disable db files delete if they need.

Change-Id: Ibfc1ee02c8cd49dc05a1c0aa087af27cb0848c79
Signed-off-by: xiadanni1 <xiadanni1@huawei.com>
---
 components/engine/cmd/dockerd/daemon.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/engine/cmd/dockerd/daemon.go b/components/engine/cmd/dockerd/daemon.go
index 744ec45..5fb8811 100644
--- a/components/engine/cmd/dockerd/daemon.go
+++ b/components/engine/cmd/dockerd/daemon.go
@@ -102,6 +102,9 @@ func cleanupLocalDBs(run, root string) {
 			return
 		}
 	}
+	if os.Getenv("DISABLE_CRASH_FILES_DELETE") == "true" {
+		return
+	}
 	cleanupLocalDB(filepath.Join(root, "containerd/daemon/io.containerd.metadata.v1.bolt/meta.db"))
 	cleanupLocalDB(filepath.Join(root, "builder/fscache.db"))
 	cleanupLocalDB(filepath.Join(root, "volumes/metadata.db"))
-- 
1.8.3.1