Remove key.json file if it appears to be corrupted (#1706) (#1988)

* Remove key.json file if it appears to be corrupted (#1706) * Check with jq if key.json is parsable
home-assistant · Jun 25, 2022 · 26bca26 · 26bca26
1 parent 7708de0
commit 26bca26
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diff --git a/buildroot-external/rootfs-overlay/etc/systemd/system/docker.service.d/failure.conf b/buildroot-external/rootfs-overlay/etc/systemd/system/docker.service.d/failure.conf
@@ -1,2 +1,5 @@
 [Unit]
 FailureAction=reboot
+
+[Service]
+ExecStopPost=/usr/libexec/docker-failure
diff --git a/buildroot-external/rootfs-overlay/usr/libexec/docker-failure b/buildroot-external/rootfs-overlay/usr/libexec/docker-failure
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+if [ "$SERVICE_RESULT" = "exit-code" ] && [ "$EXIT_STATUS" = "1" ]; then
+    echo "Docker exited with exit status 1, this might be caused by corrupted key.json."
+    size=$(stat -c %s "/etc/docker/key.json")
+    echo "key.json: ${size} bytes"
+    if ! jq < "/etc/docker/key.json" > /dev/null || [ "${size}" -eq 0 ]; then
+        echo "key.json appears to be corrupted, it is not parsable. Removing it."
+        rm -f "/etc/docker/key.json"
+    fi
+fi