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Mike, I had same problem some time ago. The problem was that I had a vm
with installed devstack and file /etc/hosts contained string:

127.0.0.1       localhost ubuntu

and changing it to:

127.0.0.1       localhost

helped me. So we should have not any symbols (names) after "localhost".

I am not sure that it's better solution (or may be it is wrong), but it
works for me.

Regards,
Sergey.


On 25 August 2014 08:22, Mike Spreitzer <mspreitz at us.ibm.com> wrote:

> Ruslan Kamaldinov <rkamaldinov at mirantis.com> wrote on 08/24/2014 12:30:04
> PM:
>
> > From: Ruslan Kamaldinov <rkamaldinov at mirantis.com>
> > To: "OpenStack Development Mailing List (not for usage questions)"
> > <openstack-dev at lists.openstack.org>,
> > Date: 08/24/2014 12:32 PM
> > Subject: Re: [openstack-dev] [heat] "heat.conf.sample is not up to date"
> >
> > On Sun, Aug 24, 2014 at 11:10 AM, Mike Spreitzer <mspreitz at us.ibm.com>
> wrote:
> > > What I really need to know is what to do when committing a change that
> > > really does require a change in the sample configuration file.  Of
> course I
> > > tried running generate_sample.sh, but `tox -epep8` still complains.
>  What is
> > > the right procedure to get a correct sample committed?  BTW, I am
> doing the
> > > following admittedly risky thing: I run DevStack, and make my changes
> in
> > > /opt/stack/heat/.
> >
> > Mike,
> >
> > It seems that you have oslo.messaging installed from master (default
> > behavior of Devstack), while heat.sample.config is built for
> > oslo.messaging v 1.3.1. As a quick workaround I'd suggest to downgrade
> > oslo.messaging to 1.3.1 in pep8 virtual environment:
> > $ cd /opt/stack/heat
> > $ source .tox/pep8/bin/activate
> > $ pip install oslo.messaging==1.3.1
> > $ deactivate
> > $ tox -e pep8 # should pass now
>
> In that same VM in which I ran DevStack, I also made an independent clone
> of heat in ~/code/heat; my original email quoted a failure from that clone,
> hoping that it might be easier to debug (being a simpler scenario).  Below
> is a typescript showing me try again there, including a trial of what
> Mathieu Gagné suggested (which has some kind of command line syntax error,
> and did nothing).  You will see that I investigated and found that in this
> case tox's venv contained oslo.messaging version 1.3.1, so no adjustment
> about that was needed.  Yet it still failed.
>
> ubuntu at mjs-dstk-821a:~/code/heat$ rm -rf .tox
>
> ubuntu at mjs-dstk-821a:~/code/heat$ tox -evenv bash
> ./tools/config/generate_sample.sh -b . -p heat -o etc/heat
> usage: tox [-h] [--version] [-v] [--showconfig] [-l] [-c CONFIGFILE]
>            [-e envlist] [--notest] [--sdistonly] [--installpkg PATH]
>            [--develop] [--set-home] [-i URL] [-r] [--result-json PATH]
>            [--hashseed SEED] [--force-dep REQ] [--sitepackages]
>            [--skip-missing-interpreters]
>            [args [args ...]]
> tox: error: unrecognized arguments: -b . -p heat -o etc/heat
>
> ubuntu at mjs-dstk-821a:~/code/heat$ tox -epep8
> pep8 create: /home/ubuntu/code/heat/.tox/pep8
> pep8 installdeps: -r/home/ubuntu/code/heat/requirements.txt,
> -r/home/ubuntu/code/heat/test-requirements.txt
> pep8 develop-inst: /home/ubuntu/code/heat
> pep8 runtests: PYTHONHASHSEED='0'
> pep8 runtests: commands[0] | flake8 heat bin/heat-api bin/heat-api-cfn
> bin/heat-api-cloudwatch bin/heat-engine bin/heat-manage contrib
> pep8 runtests: commands[1] |
> /home/ubuntu/code/heat/tools/config/check_uptodate.sh
> --- /tmp/heat.UnHAZD/heat.conf.sample        2014-08-25 04:06:07.648849999
> +0000
> +++ etc/heat/heat.conf.sample        2014-08-24 06:53:51.540849999 +0000
> @@ -159,10 +159,6 @@
>  # Size of RPC connection pool. (integer value)
>  #rpc_conn_pool_size=30
>
> -# Modules of exceptions that are permitted to be recreated
> -# upon receiving exception data from an rpc call. (list value)
>
> -#allowed_rpc_exception_modules=oslo.messaging.exceptions,nova.exception,cinder.exception,exceptions
> -
>  # Qpid broker hostname. (string value)
>  #qpid_hostname=heat
>
> @@ -301,15 +297,6 @@
>  # Heartbeat time-to-live. (integer value)
>  #matchmaker_heartbeat_ttl=600
>
> -# Host to locate redis. (string value)
> -#host=127.0.0.1
> -
> -# Use this port to connect to redis host. (integer value)
> -#port=6379
> -
> -# Password for Redis server (optional). (string value)
> -#password=<None>
> -
>  # Size of RPC greenthread pool. (integer value)
>  #rpc_thread_pool_size=64
>
> @@ -1229,6 +1216,22 @@
>  #hash_algorithms=md5
>
>
> +[matchmaker_redis]
> +
> +#
> +# Options defined in oslo.messaging
> +#
> +
> +# Host to locate redis. (string value)
> +#host=127.0.0.1
> +
> +# Use this port to connect to redis host. (integer value)
> +#port=6379
> +
> +# Password for Redis server (optional). (string value)
> +#password=<None>
> +
> +
>  [matchmaker_ring]
>
>  #
> check_uptodate.sh: heat.conf.sample is not up to date.
> check_uptodate.sh: Please run
> /home/ubuntu/code/heat/tools/config/generate_sample.sh.
> ERROR: InvocationError:
> '/home/ubuntu/code/heat/tools/config/check_uptodate.sh'
> pep8 runtests: commands[2] |
> /home/ubuntu/code/heat/tools/requirements_style_check.sh requirements.txt
> test-requirements.txt
> pep8 runtests: commands[3] | bash -c find heat -type f -regex '.*\.pot?'
> -print0|xargs -0 -n 1 msgfmt --check-format -o /dev/null
> _________________ __________________ summary ____
> _________________________ _______
> ERROR:   pep8: commands failed
>
> ubuntu at mjs-dstk-821a:~/code/heat$ . .tox/pep8/bin/activate
>
> (pep8)ubuntu at mjs-dstk-821a:~/code/heat$ python
> Python 2.7.6 (default, Mar 22 2014, 22:59:56)
> [GCC 4.8.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> system
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> NameError: name 'system' is not defined
> >>> import sys
> >>> print sys.path
> ['', '/home/ubuntu/code/heat',
> '/home/ubuntu/code/heat/.tox/pep8/lib/python2.7',
> '/home/ubuntu/code/heat/.tox/pep8/lib/python2.7/plat-x86_64-linux-gnu',
> '/home/ubuntu/code/heat/.tox/pep8/lib/python2.7/lib-tk',
> '/home/ubuntu/code/heat/.tox/pep8/lib/python2.7/lib-old',
> '/home/ubuntu/code/heat/.tox/pep8/lib/python2.7/lib-dynload',
> '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu',
> '/usr/lib/python2.7/lib-tk',
> '/home/ubuntu/code/heat/.tox/pep8/local/lib/python2.7/site-packages',
> '/home/ubuntu/code/heat/.tox/pep8/lib/python2.7/site-packages']
> >>>
>
> (pep8)ubuntu at mjs-dstk-821a:~/code/heat$ find .tox/pep8 -name "*messaging*"
> .tox/pep8/bin/oslo-messaging-zmq-receiver
> .tox/pep8/lib/python2.7/site-packages/oslo.messaging-1.3.1-py2.7-nspkg.pth
> .tox/pep8/lib/python2.7/site-packages/oslo.messaging-1.3.1.dist-info
> .tox/pep8/lib/python2.7/site-packages/qpid/messaging
> .tox/pep8/lib/python2.7/site-packages/qpid/tests/messaging
> .tox/pep8/lib/python2.7/site-packages/kombu/messaging.pyc
> .tox/pep8/lib/python2.7/site-packages/kombu/messaging.py
> .tox/pep8/lib/python2.7/site-packages/kombu/tests/test_messaging.pyc
> .tox/pep8/lib/python2.7/site-packages/kombu/tests/test_messaging.py
> .tox/pep8/lib/python2.7/site-packages/oslo/messaging
>
> .tox/pep8/lib/python2.7/site-packages/oslo/messaging/notify/_impl_messaging.pyc
>
> .tox/pep8/lib/python2.7/site-packages/oslo/messaging/notify/_impl_messaging.py
> (pep8)ubuntu at mjs-dstk-821a:~/code/heat$
>
> Thanks,
> Mike
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