def get_data_path(connection):
"""
Tries to get data path from /etc/fstab and than from
moosefs_tool.ini. Returns empty if it fails.
"""
path = ''
try:
logger.info('Getting data path from /etc/fstab.')
f = connection.get_file('/etc/fstab', 'r')
for line in f.readlines():
if 'fuse' in line and 'mfsmount' in line:
path = line.split()[1]
logger.info('Data path %s was got successfully.' % path)
except IOError:
logger.exception(mfs_exceptions.DataPathGettingFailed(
'Cannot read /etc/fstab file.'))
except IndexError:
logger.exception(mfs_exceptions.DataPathGettingFailed(
'Cannot parse /etc/fstab.'))
except Exception as e:
logger.exception(mfs_exceptions.DataPathGettingFailed(
'Unresolved exception:\n%s' % e))
if not path:
logger.info('Getting data path from moosefs_tool.ini.')
path = roots.get('data_path', '')
if path:
logger.info('Data path %s was got successfully.' % path)
return path
def home():
host = roots['master_host']
port = roots.get('master_port', 9421)
servers = [1]
try:
mfs = MooseFS(masterhost=host,
masterport=port)
# servers = mfs.mfs_mounts()
except Exception as e:
error = 'Error while trying to connect to %s:%s<br/>%s' % (host, port, e)
return render_template('home.html',
master_host = host,
servers = servers,
title = 'Home')
def home():
host = roots['master_host']
port = int(roots.get('master_port', 9421))
chunkservers = [{'ip':'192.168.56.12' + str(i), 'name' : 'chunkserver'} for i in range(3)]
metaloggers = [{'ip':'192.168.56.13' + str(i), 'name' : 'metalogger'} for i in range(10)]
clients = [{'ip':'192.168.56.14' + str(i), 'name' : 'client'} for i in range(10)]
try:
mfs = MooseFS(masterhost=host,
masterport=port)
# servers = mfs.mfs_mounts()
except Exception as e:
error = 'Error while trying to connect to %s:%s<br/>%s' % (host, port, e)
return render_template('home.html',
master_host = host,
metaloggers = metaloggers,
chunkservers = chunkservers,
clients = clients,
title = 'Home')
def master():
host = roots['master_host']
port = roots.get('master_port', 9421)
configs_path = roots['configs']
if request.method == 'POST':
action = request.values['action'] # save or edit
return globals()[action + '_config'](host, configs_path,
request.values['config_name'])
configs = get_configs(host, configs_path)
metafiles_path = roots['metafiles']
metafiles = get_metafiles_info(metafiles_path)
return render_template('master.html',
configs_path = configs_path,
configs = configs,
metafiles_path = metafiles_path,
metafiles = metafiles,
base_info = get_master_info(host, port),
title = 'Master')
def trash():
host = roots['master_host']
port = roots.get('master_port', 9421)
con = transport.Connect(host)
path = '/mnt/mfs-test'
tree = make_remote_tree(con, path)
errors = {}
command = '/usr/bin/mfsmount /mnt/mfs-test -H mfsmaster -o mfsmeta'
resp = con.remote_command(command, 'stdout')
if resp:
errors['mount'] = 'Failed to mount trash folder with command \"%s\".<br/>Got following error:<br/> %s.' % (command, resp)
if request.method == 'POST':
return render_template('data/files_items.html',
tree = make_remote_tree(con, request.values['full_name']))
return render_template('trash.html',
errors = errors,
tree = tree,
title = 'Trash')
def master():
errors = {}
host = roots['master_host']
port = roots.get('master_port', 9421)
con = transport.Connect(host)
backup_form = BackupForm(request.form)
master_info, errors = get_master_info(host, port, errors)
config_path, configs, errors = get_config_info(con, errors)
meta_path, metafiles, errors = get_meta_info(con, errors, config_path)
if request.method == 'POST':
if 'action' in request.values: # save or edit config
action = request.values['action']
return globals()[action + '_config'](con, config_path,
request.values['config_name'])
else: # backup request
path = backup_form.path.data
if con.path_exists(path):
err = create_targz(path, meta_path, suffix='mfs_metadata')
if err:
backup_form.path.errors += ('Exception occured while creating backup:<br>%s.' % err,)
else:
return redirect(url_for('master'))
else:
backup_form.path.errors += ('This path does not exist.',)
if PY3:
master_info.iteritems = master_info.items
return render_template('master/master.html',
config_path = config_path,
configs = configs,
meta_path = meta_path,
metafiles = metafiles,
master_info = master_info,
backup_form = backup_form,
errors = errors,
title = 'Master')
