interfaces/mount: add InfoEntry type

interfaces/mount/mountinfo.go

@@ -0,0 +1,38 @@
+// -*- Mode: Go; indent-tabs-mode: t -*-
+
+/*
+ * Copyright (C) 2017 Canonical Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package mount
+
+// InfoEntry contains data from /proc/$PID/mountinfo
+//
+// For details please refer to mountinfo documentation at
+// https://www.kernel.org/doc/Documentation/filesystems/proc.txt
+type InfoEntry struct {
+	MountID      int
+	ParentID     int
+	DevMajor     int
+	DevMinor     int
+	Root         string
+	MountDir     string
+	MountOpts    string
+	OptionalFlds string
+	FsType       string
+	MountSource  string
+	SuperOpts    string
+}

interfaces/mount/mountinfo_test.go

@@ -0,0 +1,30 @@
+// -*- Mode: Go; indent-tabs-mode: t -*-
+
+/*
+ * Copyright (C) 2017 Canonical Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package mount_test
+
+import (
+	. "gopkg.in/check.v1"
+
+	_ "github.com/snapcore/snapd/interfaces/mount"
+)
+
+type mountinfoSuite struct{}
+
+var _ = Suite(&mountinfoSuite{})

spread.yaml

@@ -184,8 +184,14 @@ prepare-each: |
     dmesg -c > /dev/null
 
 debug-each: |
+    echo '# journal messages for snapd'
     journalctl -u snapd
+    echo '# apparmor denials '
     dmesg | grep DENIED || true
+    echo '# seccomp denials (kills) '
+    dmesg | grep 1326 || true
+    echo '# snap interfaces'
+    snap interfaces || true
 
 rename:
     # Move content into a directory, so that deltas computed by repack benefit