From e9ed821d480392ac646f1fe035ccab68b1d51d9f Mon Sep 17 00:00:00 2001
From: Zhen Wang <zhenw@google.com>
Date: Thu, 1 Aug 2019 17:10:53 -0700
Subject: [PATCH] Update the detection method for docker overlay2 issue

---
 config/docker-monitor.json | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/config/docker-monitor.json b/config/docker-monitor.json
index d6294d4c..6b6f3794 100644
--- a/config/docker-monitor.json
+++ b/config/docker-monitor.json
@@ -7,12 +7,24 @@
 	"lookback": "5m",
 	"bufferSize": 10,
 	"source": "docker-monitor",
-	"conditions": [],
+	"conditions": [
+		{
+			"type": "CorruptDockerOverlay2",
+			"reason": "NoCorruptDockerOverlay2",
+			"message": "docker overlay2 is functioning properly"
+		}
+	],
 	"rules": [
 		{
 			"type": "temporary",
 			"reason": "CorruptDockerImage",
 			"pattern": "Error trying v2 registry: failed to register layer: rename /var/lib/docker/image/(.+) /var/lib/docker/image/(.+): directory not empty.*"
+		},
+		{
+			"type": "permanent",
+			"condition": "CorruptDockerOverlay2",
+			"reason": "CorruptDockerOverlay2",
+			"pattern": "returned error: readlink /var/lib/docker/overlay2.*: invalid argument.*"
 		}
 	]
 }