Mailing List Archive: [diskimage-builder] Element pip-and-virtualenv failed to install pip

Hi there,

I'm new to the DIB tool and ran into an issue when used 2.16.0 DIB tool to
build a CentOS based image with pip-and-virtualenv element. It failed at
https://github.com/openstack/diskimage-builder/blob/master/diskimage_builder/elements/pip-and-virtualenv/install.d/pip-and-virtualenv-source-install/04-install-pip#L78
due to cannot find pip command.

I found the /tmp/get_pip.py was there but totally empty. I have to manually
add a wget step to retreat the get_pip.py right before the failed step then
it worked. But should the get_pip.py be downloaded automatically by this
https://github.com/openstack/diskimage-builder/blob/master/diskimage_builder/elements/pip-and-virtualenv/source-repository-pip-and-virtualenv
? Does anyone know how could this issue happen? Thanks in advance for any
help.

Best,
Hang

On 09/07/2018 03:46 PM, Hang Yang wrote:
> Hi there,
>
> I'm new to the DIB tool and ran into an issue when used 2.16.0 DIB tool
> to build a CentOS based image with pip-and-virtualenv element. It failed
> at
> https://github.com/openstack/diskimage-builder/blob/master/diskimage_builder/elements/pip-and-virtualenv/install.d/pip-and-virtualenv-source-install/04-install-pip#L78
> due to cannot find pip command.
>
> I found the /tmp/get_pip.py was there but totally empty. I have to
> manually add a wget step to retreat the get_pip.py right before the
> failed step then it worked. But should the get_pip.py be downloaded
> automatically by this
> https://github.com/openstack/diskimage-builder/blob/master/diskimage_builder/elements/pip-and-virtualenv/source-repository-pip-and-virtualenv
> ? Does anyone know how could this issue happen? Thanks in advance for
> any help.

Hi Hang,

Are you using a package or a source-based installation for your dib? The
reason I ask is because from the docs it seems that the installation
procedure for pip is quite different depending on whether you're using a
package or source-based install.

Best,
-jay

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