Uninstall + resiliency test
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c6954816be
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b1cb57ab48
@ -36,13 +36,20 @@ class PackageManager:
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self.online_packages = json.loads(packages)
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def install_package(self, name):
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# Main installation function. Wrapper for download, registration and setup
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# Main installation function. Wrapper for download, install script and registration
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self.fetch_online_packages()
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for dep in self.get_deps(name):
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if dep not in self.conf['packages']:
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self.download_package(dep)
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self.run_install_script(dep)
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self.register_package(dep)
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self.setup_package()
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def uninstall_package(self, name):
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# Main uninstallation function. Wrapper for uninstall script, filesystem purge and unregistration
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# TODO: Get dependencies which can be uninstalled
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self.run_uninstall_script(name)
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self.purge_package(name)
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self.unregister_package(name)
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def download_package(self, name):
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# Downloads, verifies, unpacks and sets up a package
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@ -56,14 +63,39 @@ class PackageManager:
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if self.online_packages[name]['sha512'] != hash_file(tmp_archive):
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raise InvalidSignature(name)
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# Unpack
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subprocess.run(['tar', 'xJf', tmp_archive], cwd=LXC_ROOT)
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subprocess.run(['tar', 'xJf', tmp_archive], cwd='/')
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os.unlink(tmp_archive)
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def purge_package(self, name):
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# Removes package and shared data from filesystem
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shutil.rmtree(os.path.join(LXC_ROOT, self.conf['packages'][name]['lxcpath']))
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srv_dir = os.path.join('/srv/', name)
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if os.path.exsit(srv_dir):
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shutil.rmtree(srv_dir)
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def run_install_script(self, name):
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# Runs install.sh for a package, if the script is present
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install_dir = os.path.join('/srv/', name, 'install')
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install_script = os.path.join('/srv/', name, 'install.sh')
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if os.path.exists(install_script):
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subprocess.run(install_script)
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os.unlink(install_script)
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if os.path.exists(install_dir):
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shutil.rmtree(install_dir)
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def run_uninstall_script(self, name):
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# Runs uninstall.sh for a package, if the script is present
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uninstall_script = os.path.join('/srv/', name, 'uninstall.sh')
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if os.path.exists(uninstall_script):
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subprocess.run(uninstall_script)
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def register_package(self, name):
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# Registers a package in local configuration
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metadata = self.online_packages[name]
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self.conf['packages'][name] = {
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'version': metadata['version'],
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'deps': metadata['deps'],
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'lxcpath': metadata['lxcpath'],
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'version': metadata['version']
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}
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# If host definition is present, register the package as application
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if 'host' in metadata:
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@ -76,15 +108,12 @@ class PackageManager:
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}
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self.conf.save()
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def setup_package(self):
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# Runs setup.sh for a package, if the script is present
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setup_dir = os.path.join(LXC_ROOT, 'setup')
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setup_script = os.path.join(LXC_ROOT, 'setup.sh')
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if os.path.exists(setup_script):
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subprocess.run(setup_script)
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os.unlink(setup_script)
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if os.path.exists(setup_dir):
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shutil.rmtree(setup_dir)
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def unregister_package(self, name):
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# Removes a package from local configuration
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del self.conf['packages'][name]
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if name in self.conf['apps']:
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del self.conf['apps'][name]
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self.conf.save()
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def get_deps(self, name):
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# Flatten dependency tree for a package
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@ -78,6 +78,7 @@ class WSGIApp(object):
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Rule('/start-app', endpoint='start_app_action'),
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Rule('/stop-app', endpoint='stop_app_action'),
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Rule('/install-app', endpoint='install_app_action'),
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Rule('/uninstall-app', endpoint='uninstall_app_action'),
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Rule('/update-password', endpoint='update_password_action'),
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Rule('/shutdown-vm', endpoint='shutdown_vm_action'),
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Rule('/reboot-vm', endpoint='reboot_vm_action'),
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@ -286,9 +287,27 @@ class WSGIApp(object):
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return self.render_json({'error': request.session.lang.malformed_request()})
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except:
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return self.render_json({'error': request.session.lang.package_manager_error()})
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# Reload config and get fresh data
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self.vmmgr.conf.load()
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app_title = self.vmmgr.conf['apps'][app]['title']
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return self.render_json({'ok': self.render_setup_apps_row(app, app_title)})
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def uninstall_app_action(self, request):
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# Uninstalls application
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try:
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app = request.form['app']
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self.vmmgr.stop_app(app)
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pkgmgr = PackageManager()
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pkgmgr.uninstall_package(app)
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except (BadRequest, InvalidValueException):
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return self.render_json({'error': request.session.lang.malformed_request()})
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except:
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return self.render_json({'error': request.session.lang.package_manager_error()})
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# Get title from old data, then reload config
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app_title = self.vmmgr.conf['apps'][app]['title']
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self.vmmgr.conf.load()
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return self.render_json({'ok': self.render_setup_apps_row(app, app_title)})
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def update_password_action(self, request):
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# Updates password for both HDD encryption (LUKS-on-LVM) and web interface admin account
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try:
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@ -11,7 +11,8 @@ $(function() {
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$('#app-manager')
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.on('click', '.app-start', start_app)
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.on('click', '.app-stop', stop_app)
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.on('click', '.app-install', install_app);
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.on('click', '.app-install', install_app)
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.on('click', '.app-uninstall', install_app);
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$('#update-password').on('submit', update_password);
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$('#reboot-vm').on('click', reboot_vm);
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$('#shutdown-vm').on('click', shutdown_vm);
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@ -116,11 +117,11 @@ function update_common() {
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return false;
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}
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function update_app_visibility(ev) {
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function _update_app(item, ev) {
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var el = $(ev.target);
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var app = el.closest('tr').data('app');
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var value = el.is(':checked') ? 'true' : '';
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$.post('/update-app-visibility', {'app': app, 'value': value}, function(data) {
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$.post('/update-app-'+item, {'app': app, 'value': value}, function(data) {
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if (data.error) {
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el.prop('checked', !value);
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alert(data.error);
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@ -128,60 +129,45 @@ function update_app_visibility(ev) {
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});
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}
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function update_app_visibility(ev) {
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return _update_app('visibility', ev);
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}
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function update_app_autostart(ev) {
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return _update_app('autostart', ev);
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}
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function _do_app(action, ev) {
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var el = $(ev.target);
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var app = el.closest('tr').data('app');
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var value = el.is(':checked') ? 'true' : '';
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$.post('/update-app-autostart', {'app': app, 'value': value}, function(data) {
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var tr = el.closest('tr');
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var td = el.closest('td');
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td.html('<div class="loader"></div>');
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$.post('/'+action+'-app', {'app': tr.data('app')}, function(data) {
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if (data.error) {
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el.prop('checked', !value);
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alert(data.error);
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td.attr('class','error').html(data.error);
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} else {
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tr.replaceWith(data.ok);
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}
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});
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return false;
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}
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function start_app(ev) {
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var el = $(ev.target);
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var tr = el.closest('tr');
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var td = el.closest('td');
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td.html('<div class="loader"></div>');
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$.post('/start-app', {'app': tr.data('app')}, function(data) {
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if (data.error) {
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td.attr('class','error').html(data.error);
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} else {
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tr.replaceWith(data.ok);
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}
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});
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return false;
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return _do_app('start', ev);
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}
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function stop_app(ev) {
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var el = $(ev.target);
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var tr = el.closest('tr');
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var td = el.closest('td');
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td.html('<div class="loader"></div>');
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$.post('/stop-app', {'app': tr.data('app')}, function(data) {
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if (data.error) {
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td.attr('class','error').html(data.error);
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} else {
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tr.replaceWith(data.ok);
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}
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});
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return false;
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return _do_app('stop', ev);
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}
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function install_app(ev) {
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var el = $(ev.target);
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var tr = el.closest('tr');
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var td = el.closest('td');
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td.html('<div class="loader"></div>');
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$.post('/install-app', {'app': tr.data('app')}, function(data) {
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if (data.error) {
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td.attr('class','error').html(data.error);
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} else {
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tr.replaceWith(data.ok);
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}
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});
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return _do_app('install', ev);
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}
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function uninstall_app(ev) {
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if (confirm('Do you really want to uninstall this applition?')) {
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return _do_app('uninstall', ev);
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}
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return false;
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}
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@ -201,20 +187,22 @@ function update_password() {
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return false;
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}
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function _do_vm(action) {
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$.get('/'+action+'-vm', function(data) {
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$('#vm-message').attr('class','info').html(data.ok).show();
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});
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}
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function reboot_vm() {
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if (confirm('Do you really want to reboot VM?')) {
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$.get('/reboot-vm', function(data) {
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$('#vm-message').attr('class','info').html(data.ok).show();
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});
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_do_vm('reboot');
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}
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return false;
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}
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function shutdown_vm() {
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if (confirm('Do you really want to shutdown VM?')) {
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$.get('/shutdown-vm', function(data) {
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$('#vm-message').attr('class','info').html(data.ok).show();
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});
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_do_vm('shutdown');
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}
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return false;
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}
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@ -2,6 +2,6 @@
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<td>{{ app_title }}</td>
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<td class="center"><input type="checkbox" class="app-visible"{% if app not in conf['apps'] %} disabled{% elif conf['apps'][app]['visible'] %} checked{% endif %}></td>
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<td class="center"><input type="checkbox" class="app-autostart"{% if app not in conf['apps'] %} disabled{% elif is_service_autostarted(app) %} checked{% endif %}></td>
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<td>{% if app not in conf['apps'] %} Není nainstalována{% elif is_service_started(app) %}<span class="info">Spuštěna</span>{% else %}<span class="error">Zastavena</span>{% endif %}</td>
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<td>{% if app not in conf['apps'] %} N/A{% elif is_service_started(app) %}<span class="info">Spuštěna</span>{% else %}<span class="error">Zastavena</span>{% endif %}</td>
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<td>{% if app not in conf['apps'] %}<a href="#" class="app-install">Instalovat</a>{% else %}{% if is_service_started(app) %}<a href="#" class="app-stop">Zastavit</a>{% else %}<a href="#" class="app-start">Spustit</a>{% endif %}, <a href="#" class="app-uninstall">Odinstalovat</a>{% endif %}</td>
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</tr>
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@ -39,12 +39,13 @@ def pack(pkg_file):
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# Create archive
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print('Archiving', meta['lxcpath'])
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subprocess.run(['tar', 'cp', '--xattrs', '-f', tar_path, meta['lxcpath']], cwd=LXC_ROOT)
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subprocess.run(['tar', '--xattrs', '-cpf', tar_path, os.path.join(LXC_ROOT, meta['lxcpath'])], cwd='/')
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if '/' not in meta['lxcpath']:
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print('Archiving setup files')
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# If lxcpath doesn't point to layer but is a full-featured container, pack also scripts
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print('Archiving install/upgrade/uninstall scripts and related files')
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cwd = os.path.dirname(os.path.abspath(pkg_file))
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subprocess.run(['tar', 'rpf', tar_path, 'setup', 'setup.sh'], cwd=cwd)
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print('Compressing', tar_path)
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subprocess.run(['tar', '--transform' 's,^\.,/srv/{},'.format(pkg_name), '-rpf', tar_path, 'install', 'install.sh', 'upgrade', 'upgrade.sh', 'uninstall', 'uninstall.sh'], cwd=cwd)
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print('Compressing', tar_path, '({} MB)'.format(os.path.getsize(tar_path)/1048576))
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subprocess.run(['xz', '-9', tar_path])
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# Register package
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