Add simple reset command to reset container state

src/CMakeLists.txt

@@ -104,6 +104,7 @@ set(SOURCES
     anbox/cmds/shell.cpp
     anbox/cmds/install_app.cpp
     anbox/cmds/launch_app.cpp
+    anbox/cmds/reset.cpp
 
     anbox/do_not_copy_or_move.h
     anbox/optional.h

src/anbox/cmds/reset.cpp

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
+ *
+ * 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 warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
+ *
+ */
+
+#include <boost/filesystem.hpp>
+
+#include "anbox/config.h"
+#include "anbox/cmds/reset.h"
+
+namespace fs = boost::filesystem;
+
+anbox::cmds::Reset::Reset()
+    : CommandWithFlagsAndAction{cli::Name{"reset"}, cli::Usage{"reset"}, cli::Description{"Reset the container to its default settings"}}
+{
+    action([this](const cli::Command::Context &) {
+        // FIXME(morphis): check if container is currently running and if stop here.
+
+        if (!fs::is_directory(config::data_path()))
+            return EXIT_SUCCESS;
+
+        // FIXME(morphis): This currently requires us to run as root as otherwise we can't
+        // remove some of the files stored there even if they are created from a user namespace!?
+        fs::remove_all(config::data_path());
+
+        return EXIT_SUCCESS;
+    });
+}

src/anbox/cmds/reset.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
+ *
+ * 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 warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
+ *
+ */
+
+#ifndef ANBOX_CMDS_RESET_H_
+#define ANBOX_CMDS_RESET_H_
+
+#include <functional>
+#include <iostream>
+#include <memory>
+
+#include "anbox/cli.h"
+
+namespace anbox {
+namespace cmds {
+class Reset : public cli::CommandWithFlagsAndAction {
+public:
+    Reset();
+};
+} // namespace cmds
+} // namespace anbox
+
+#endif

src/anbox/daemon.cpp

@@ -27,6 +27,7 @@
 #include "anbox/cmds/shell.h"
 #include "anbox/cmds/install_app.h"
 #include "anbox/cmds/launch_app.h"
+#include "anbox/cmds/reset.h"
 
 #include <boost/filesystem.hpp>
 
@@ -40,7 +41,8 @@ Daemon::Daemon() :
        .command(std::make_shared<cmds::Run>())
        .command(std::make_shared<cmds::Shell>())
        .command(std::make_shared<cmds::InstallApp>())
-       .command(std::make_shared<cmds::LaunchApp>());
+       .command(std::make_shared<cmds::LaunchApp>())
+       .command(std::make_shared<cmds::Reset>());
 }
 
 int Daemon::Run(const std::vector<std::string> &arguments)
@@ -64,7 +66,7 @@ void Daemon::ensure_data_path() {
 
     for (const auto &path: paths) {
         if (!fs::is_directory(fs::path(path)))
-            fs::create_directories(fs::path(config::host_share_path()));
+            fs::create_directories(fs::path(path));
     }
 }
 } // namespace anbox