Hi Cedric, I’m using Python 2.7.2. There seems to be differences between the two. I would adapt your code to do the job of _set_hostport and set host and port separately. They are public attributes in any case.
Cheers, Phil On 8 Jul 2014, at 13:50, Cedric Lebrun <cedric.leb...@asg.com> wrote: > Hi Philip, > > I'm using Python 2.7 as well (2.7.7). > And Libcloud 0.15.1 > > Cedric > > -----Original Message----- > From: philip.kers...@stfc.ac.uk [mailto:philip.kers...@stfc.ac.uk] > Sent: mardi 8 juillet 2014 12:03 > To: dev@libcloud.apache.org > Subject: Re: [dev] Libcloud behind ISA Proxy > > Hi Cedric, > > What version of Python are you using? > > In my Python 2.7 installation, _set_hostport is a method of > httplib.HTTPConnection. It basically does some format checking and assigns > host and port number. > > Clearly some more work will be needed for a generic solution across supported > versions of Python :) > > Cheers, > Phil > > > def _set_hostport(self, host, port): > if port is None: > i = host.rfind(':') > j = host.rfind(']') # ipv6 addresses have [...] > if i > j: > try: > port = int(host[i+1:]) > except ValueError: > raise InvalidURL("nonnumeric port: '%s'" % host[i+1:]) > host = host[:i] > else: > port = self.default_port > if host and host[0] == '[' and host[-1] == ']': > host = host[1:-1] > self.host = host > self.port = port > > > On 8 Jul 2014, at 10:45, Cedric Lebrun <cedric.leb...@asg.com> wrote: > >> Hi Philip, >> >> Thanks for your help. >> But after patching httplib_ssl, I fall into now another error: >> >> AttributeError: LibcloudHTTPSConnection instance has no attribute >> '_set_hostport' >> >> >> Cedric >> >> -----Original Message----- >> From: philip.kers...@stfc.ac.uk [mailto:philip.kers...@stfc.ac.uk] >> Sent: mardi 8 juillet 2014 09:56 >> To: dev@libcloud.apache.org >> Subject: Re: [dev] Libcloud behind ISA Proxy >> >> Hi Cedric, >> >> I ran into the same issue and patched libcloud.httplib_ssl. I've included >> the code snippets below. The proxy I use doesn't require authentication but >> hopefully you can adapt to make it do what you need. I tested with Python >> 2.7 - may need tweaking for Python 3. >> >> Cheers, >> Phil >> >> >> I modified the LibcloudHTTPSConnection.__init__ to pick up the proxy >> settings from the environment: >> >> >> class LibcloudHTTPSConnection(httplib.HTTPSConnection): >> """ >> LibcloudHTTPSConnection >> >> Subclass of HTTPSConnection which verifies certificate names >> if and only if CA certificates are available. >> """ >> verify = True # verify by default >> ca_cert = None # no default CA Certificate >> >> def __init__(self, *args, **kwargs): >> """ >> Constructor >> """ >> self._setup_verify() >> httplib.HTTPSConnection.__init__(self, *args, **kwargs) >> >> # Support for HTTPS Proxy >> if 'https_proxy' in os.environ: >> from urlparse import urlparse >> >> self.set_tunnel(self.host, port=self.port) >> >> proxy_host = urlparse(os.environ['https_proxy']).netloc >> self._set_hostport(proxy_host, None) >> >> . >> . >> . >> >> And then modified the connect call to use the tunnel: >> >> >> def connect(self): >> """ >> Connect >> >> Checks if verification is toggled; if not, just call >> httplib.HTTPSConnection's connect >> """ >> if not self.verify: >> return httplib.HTTPSConnection.connect(self) >> >> # otherwise, create a connection and verify the hostname >> # use socket.create_connection (in 2.6+) if possible >> if getattr(socket, 'create_connection', None): >> sock = socket.create_connection((self.host, self.port), >> self.timeout) >> else: >> sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) >> sock.connect((self.host, self.port)) >> >> # Support for HTTPS Proxy >> if self._tunnel_host: >> self.sock = sock >> self._tunnel() >> >> self.sock = ssl.wrap_socket(sock, >> self.key_file, >> self.cert_file, >> cert_reqs=ssl.CERT_REQUIRED, >> ca_certs=self.ca_cert, >> ssl_version=ssl.PROTOCOL_TLSv1) >> cert = self.sock.getpeercert() >> if not self._verify_hostname(self.host, cert): >> raise ssl.SSLError('Failed to verify hostname') >> >> >> On 8 Jul 2014, at 07:23, Cedric Lebrun <cedric.leb...@asg.com> wrote: >> >>> Hi All, >>> >>> I try to use Libcloud to connect to EC2. >>> My environments (CentOS 6.5 and Ubuntu 14.04) are behind a proxy server >>> that requires authentication (MS ISA Proxy Server). >>> I tried with defining environment variables HTTP_PROXY and HTTPS_PROXY, but >>> still doesn't work. >>> Is there a way to set a proxy and proxy credentials directly using Libcloud >>> ? Or should I have to patch the http_lib to implement UrlLib2 ProxyHandler ? >>> >>> Thanks for your help, >>> CL >> >> -- >> Scanned by iCritical. > > -- > Scanned by iCritical. -- Scanned by iCritical.
