예제 #1
0
 def setex(binfile):
     localfile = System.upgrade_dir() + "/" + os.path.basename(binfile)
     if not os.path.exists(localfile):
         warn("Unable to set executable permission on {}".format(localfile))
         return
     info("Setting executable permission to {}".format(localfile))
     os.chmod(localfile, 0755)
예제 #2
0
    def do_search(self):
        info('Initializing search. Please wait ...')
        try:
            resp = self.session.get(self.endpoint, proxies=self.proxies)
        except requests.exceptions.ConnectionError:
            error('Unable to connect to build hub server. Is the server running?') 
        except requests.exceptions.ConnectTimeout:
            error('Timeout while connecting to build hub server') 

        if resp.status_code > 200:
            error('HTTP Error: Status Code {}'.format(resp.status_code))

        try:
            resp.raise_for_status()
        except requests.exceptions:
            error('Error looking up downloads from repository') 


        soup = BeautifulSoup(resp.content, 'html.parser') 
        all_links = [link.get('href') for link in soup.find_all('a', title='Download')]
        netstorm_links = filter(self.regexp_netstorm.search, all_links) 
        thirdparty_links = filter(self.regexp_thirdparty.search, all_links) 
    
        if len(netstorm_links) > 0:
            self.netstorm_bin = netstorm_links[0] 
        if len(thirdparty_links) > 0:
            self.thirdparty_bin = thirdparty_links[0] 
예제 #3
0
    def __init__(self, endpoint=config.endpoint, pattern=None, forced=False, proxies=None):
        self.endpoint = endpoint 
        self.forced = forced 

        if pattern is None:
            self.regexp_netstorm = re.compile(r'.*netstorm.*[0-9]+.*Ubuntu.*.bin') 
            self.regexp_thirdparty = re.compile(r'.*thirdparty.*[0-9]+.*Ubuntu.*.bin') 
        else:
            self.regexp_netstorm = re.compile(r'.*netstorm.*' + pattern + '[._].*Ubuntu.*.bin') 
            self.regexp_thirdparty = re.compile(r'.*thirdparty.*' + pattern + '[._].*Ubuntu.*.bin') 
        
        if self.forced is True:
           info('Forced flag has been specified. Local copies will be discarded') 
                
        self.netstorm_bin = None
        self.thirdparty_bin = None
        self.session = requests.session()
        self.proxies = dict(http=proxies, https=proxies)
        self.do_search() 
예제 #4
0
    def download_int(self, link):
        localfile = os.path.basename(link) 
        dotrel = '{}/.rel/{}'.format(System.controller(), localfile)
        need_to_copy = False
        if os.path.exists('{}/{}'.format(System.upgrade_dir(), localfile)) and not self.forced:
            info('{} is present in upgrade directory. Skipping download'.format(localfile))
            cached = True
        elif os.path.exists(dotrel) and not self.forced: 
            info('{} is present in dotrel directory. Skipping download'.format(localfile))
            need_to_copy = True
            cached = True
        else:
            cached = False

        if cached is False or self.forced is True:
            try:
                info('Downloading {}'.format(localfile))
                start_time = time.time()
                try:
                    resp = self.session.get(
                        self.endpoint + '/' + link, 
                        stream=True, 
                        proxies=self.proxies
                    )
                    content_length = resp.headers.get('content-length')
                except requests.exceptions.ConnectionError:
                    warn('Unable to connect to build hub')
                    return
                except requests.exceptions.ConnectTimeout:
                    warn('Timeout while downloading')
                    return
                if resp.status_code > 200: 
                    warn('Status code: %s' % resp.status_code)
                    return

                bytes_read = 0
                to_read = int(content_length) 
                f = open(System.upgrade_dir() + '/' + localfile, 'wb')
                for data in resp.iter_content(config.READ_BUFF_SIZE):
                    bytes_read += len(data)
                    f.write(data)
                    done = (50 * bytes_read / to_read)
                    percent_completed = float(bytes_read)/to_read
                    percent_completed = round(percent_completed * 100, 2)
                    sys.stdout.write('\r     [get] [%s%s] %0.2f%%' % (
                        '#' * done, 
                        ' ' * (50 - done), 
                        percent_completed)
                    )
                    sys.stdout.flush()
            except KeyboardInterrupt:
                f.close()
                print 
                info('Cleaning up incompleted files')
                os.remove(System.upgrade_dir() + '/' + localfile)
                warn('Download interrupted by user')
                return
            except IOError:
                warn('Unable to write to upgrade dir. Make sure directory exists and is writable')
                return

            end_time = time.time() 
            f.close()
            print ''
            info('Downloaded {} in {:.2f} seconds'.format(humanize(bytes_read), end_time - start_time))

        if need_to_copy is True:
            info('Copying {} from dotrel to upgrade dir'.format(localfile)) 
            shutil.copy2(dotrel, System.upgrade_dir())