Qumulo Read and Write Files using Qumulo REST API

read_write_files.py

import sys
import tempfile
import time

import qumulo.lib.auth
import qumulo.lib.request
import qumulo.rest.fs as fs

host = 'yourhostname'
port = 8000
user = 'youracct'
passwd = 'yourpasswd'
filepath = '/users/mmurray/ftt/cheri_bee_story.jpg'

def login(host, user, passwd, port):
    '''Obtain credentials from the REST server'''
    connection = None
    credentials = None

    try:
        # Create a connection to the REST server
        connection = qumulo.lib.request.Connection(host, int(port))

        # Provide username and password to retreive authentication tokens
        # used by the credentials object
        login_results, _ = qumulo.rest.auth.login(
                connection, None, user, passwd)

        # Create the credentials object which will be used for
        # authenticating rest calls
        credentials = qumulo.lib.auth.Credentials.from_login_response(login_results)
    except Exception, excpt:
        print "Error connecting to the REST server: %s" % excpt
        print __doc__
        sys.exit(1)

    return connection, credentials

connection = None
credentials = None

while (True):
    try:
        # write out a file using REST API then read it back to a different file
        # get file contents for a well-known file
        # file = tempfile.TemporaryFile()
        file = open('./test.jpg', 'r+')
        fs.write_file(connection, credentials, file, "/users/mmurray/test/")

        file2 = open('./test2.jpg','w+')

        fs.read_file(connection, credentials, file2, "/users/mmurray/test/test.jpg")
        print "been there, read that..."
        file.close()
        time.sleep(60)
    except (qumulo.lib.request.RequestError, AttributeError):
        # auth failures usually return a RequestError with Error 401 I think... try logging in again
        connection, credentials = login(host, user, passwd, port)