[ovirt-devel] Can't add DC with API v4 - client issue
Juan Hernández
jhernand at redhat.com
Fri Oct 14 11:57:47 UTC 2016
On 10/14/2016 01:45 PM, Yaniv Kaul wrote:
>
>
> On Thu, Oct 13, 2016 at 11:13 AM, Juan Hernández <jhernand at redhat.com
> <mailto:jhernand at redhat.com>> wrote:
>
> On 10/13/2016 12:04 AM, Yaniv Kaul wrote:
> > On Fri, Oct 7, 2016 at 10:44 PM, Yaniv Kaul <ykaul at redhat.com <mailto:ykaul at redhat.com>
> > <mailto:ykaul at redhat.com <mailto:ykaul at redhat.com>>> wrote:
> >
> > I'm trying on FC24, using
> >
> python-ovirt-engine-sdk4-4.1.0-0.0.20161003git056315d.fc24.x86_64 to
> > add a DC, and failing - against master. The client is unhappy:
> > File
> >
> "/home/ykaul/ovirt-system-tests/basic-suite-master/test-scenarios/002_bootstrap.py",
> > line 98, in add_dc4
> > version=sdk4.types.Version(major=DC_VER_MAJ,minor=DC_VER_MIN),
> > File "/usr/lib64/python2.7/site-packages/ovirtsdk4/services.py",
> > line 4347, in add
> > response = self._connection.send(request)
> > File "/usr/lib64/python2.7/site-packages/ovirtsdk4/__init__.py",
> > line 276, in send
> > return self.__send(request)
> > File "/usr/lib64/python2.7/site-packages/ovirtsdk4/__init__.py",
> > line 298, in __send
> > self._sso_token = self._get_access_token()
> > File "/usr/lib64/python2.7/site-packages/ovirtsdk4/__init__.py",
> > line 460, in _get_access_token
> > sso_response = self._get_sso_response(self._sso_url,
> post_data)
> > File "/usr/lib64/python2.7/site-packages/ovirtsdk4/__init__.py",
> > line 498, in _get_sso_response
> > return json.loads(body_buf.getvalue().decode('utf-8'))
> > File "/usr/lib64/python2.7/json/__init__.py", line 339, in loads
> > return _default_decoder.decode(s)
> > File "/usr/lib64/python2.7/json/decoder.py", line 364, in decode
> > obj, end = self.raw_decode(s, idx=_w(s, 0).end())
> > File "/usr/lib64/python2.7/json/decoder.py", line 382, in
> raw_decode
> > raise ValueError("No JSON object could be decoded")
> > ValueError: No JSON object could be decoded
> >
> >
> > Surprisingly, I now can't find that RPM of this SDK in
> > resources.ovirt.org <http://resources.ovirt.org>
> <http://resources.ovirt.org> now.
> >
> > I've tried
> > with
> http://resources.ovirt.org/pub/ovirt-master-snapshot/rpm/fc24/x86_64/python-ovirt-engine-sdk4-4.0.0-0.1.20161004gitf94eeb5.fc24.x86_64.rpm
> <http://resources.ovirt.org/pub/ovirt-master-snapshot/rpm/fc24/x86_64/python-ovirt-engine-sdk4-4.0.0-0.1.20161004gitf94eeb5.fc24.x86_64.rpm>
> >
> <http://resources.ovirt.org/pub/ovirt-master-snapshot/rpm/fc24/x86_64/python-ovirt-engine-sdk4-4.0.0-0.1.20161004gitf94eeb5.fc24.x86_64.rpm
> <http://resources.ovirt.org/pub/ovirt-master-snapshot/rpm/fc24/x86_64/python-ovirt-engine-sdk4-4.0.0-0.1.20161004gitf94eeb5.fc24.x86_64.rpm>>
> >
> > - same result.
> >
> > Did not see anything obvious on server or engine logs.
> > The code:
> > def add_dc4(api):
> > nt.assert_true(api != None)
> > dcs_service = api.system_service().data_centers_service()
> > nt.assert_true(
> > dc = dcs_service.add(
> > sdk4.types.DataCenter(
> > name=DC_NAME4,
> > description='APIv4 DC',
> > local=False,
> >
> > version=sdk4.types.Version(major=DC_VER_MAJ,minor=DC_VER_MIN),
> > ),
> > )
> > )
> >
> >
> > And the api object is from:
> > return sdk4.Connection(
> > url=url,
> > username=constants.ENGINE_USER,
> >
> password=str(self.metadata['ovirt-engine-password']),
> > insecure=True,
> > debug=True,
> > )
> >
> >
> > The clue is actually on the HTTPd logs:
> > 192.168.203.1 - - [12/Oct/2016:17:56:27 -0400] "POST
> > /ovirt-engine/sso/oauth/token HTTP/1.1" 404 74
> >
> > And indeed, from the deubg log:
> > begin captured logging << --------------------\n
> > root: DEBUG: Trying 192.168.203.3...\n
> > root: DEBUG: Connected to 192.168.203.3 (192.168.203.3) port 443
> (#0)\n
> > root: DEBUG: Initializing NSS with certpath: sql:/etc/pki/nssdb\n
> > root: DEBUG: skipping SSL peer certificate verification\n
> > root: DEBUG: ALPN/NPN, server did not agree to a protocol\n
> > root: DEBUG: SSL connection using
> TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256\n
> > root: DEBUG: Server certificate:\n
> > root: DEBUG: subject: CN=engine,O=Test,C=US\n
> > root: DEBUG: start date: Oct 11 21:55:29 2016 GMT\n
> > root: DEBUG: expire date: Sep 16 21:55:29 2021 GMT\n
> > root: DEBUG: common name: engine\nroot: DEBUG: issuer:
> > CN=engine.38998,O=Test,C=US\n
> > *root: DEBUG: POST /ovirt-engine/sso/oauth/token HTTP/1.1\n*
> > *root: DEBUG: Host: 192.168.203.3\n*
> > *root: DEBUG: User-Agent: PythonSDK/4.1.0a0\n*
> > *root: DEBUG: Accept: application/json\n*
> > *root: DEBUG: Content-Length: 78\n*
> > *root: DEBUG: Content-Type: application/x-www-form-urlencoded\nroot:
> > DEBUG:
> >
> username=admin%40internal&scope=ovirt-app-api&password=123&grant_type=password\n*
> > *root: DEBUG: upload completely sent off: 78 out of 78 bytes\n*
> > *root: DEBUG: HTTP/1.1 404 Not Found\n*
> > *root: DEBUG: Date: Wed, 12 Oct 2016 21:56:27 GMT\n*
> > *root: DEBUG: Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.1e-fips\n*
> > *root: DEBUG: Content-Length: 74\n*
> > *root: DEBUG: Content-Type: text/html; charset=UTF-8\n*
> > *root: DEBUG: \n*
> > *root: DEBUG: <html><head><title>Error</title></head><body>404 - Not
> > Found</body></html>\n*
> > root: DEBUG: Connection #0 to host 192.168.203.3 left intact\n
> > --------------------- >> end captured logging
> >
>
> That definitively looks like version 3 of the engine. Either that or
> version 4 of the engine with web server configuration modified so that
> the SSO doesn't work as expected.
>
> What do you get if you run this against that server?
>
>
> Attached.
> Y.
>
OK, that is version 4.1 of the engine, so next question is why the SSO
service is not responding. Do you see any message in
/var/log/ovirt-engine/server.log about "enginesso.war" not being
deployed? Did you do any modification to the
/etc/httpd/conf.d/z-ovirt-engine.conf file?
Ravi, Martin, any idea of why the SSO service may not be working?
>
>
> curl \
> --verbose \
> --insecure \
> --request GET \
> --user "admin at internal:yourpassword" \
> --header "Version: 4" \
> --header "Accept: application/xml" \
> "https://thatserver/ovirt-engine/api
> <https://thatserver/ovirt-engine/api>"
>
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