nova_statedir_owner fails in the fedora28 standalone

[Alex Schultz]

The fedora standalone is failing in step3 when it runs the nove_statedir_owner container.

        "$ docker run --name nova_statedir_owner --label config_id=tripleo_step3 --label container_name=nova_statedir_owner --label managed_by=paunch --label config_data={\"command\": \"/docker-config-scripts/nova_statedir_ownership.py\", \"detach\": false, \"image\": \"docker.io/tripleomaster/centos-binary-nova-compute:3ed8ac0e93367a02ad53d9fa93467057724b6621_fd8eb74b\", \"privileged\": false, \"user\": \"root\", \"volumes\": [\"/var/lib/nova:/var/lib/nova:shared,z\", \"/var/lib/docker-config-scripts/:/docker-config-scripts/\"]} --privileged=false --user=root --volume=/var/lib/nova:/var/lib/nova:shared,z --volume=/var/lib/docker-config-scripts/:/docker-config-scripts/ docker.io/tripleomaster/centos-binary-nova-compute:3ed8ac0e93367a02ad53d9fa93467057724b6621_fd8eb74b /docker-config-scripts/nova_statedir_ownership.py",
        "b'standard_init_linux.go:178: exec user process caused \"no such file or directory\"\\n'",
        "Error running ['docker', 'run', '--name', 'nova_statedir_owner', '--label', 'config_id=tripleo_step3', '--label', 'container_name=nova_statedir_owner', '--label', 'managed_by=paunch', '--label', 'config_data={\"command\": \"/docker-config-scripts/nova_statedir_ownership.py\", \"detach\": false, \"image\": \"docker.io/tripleomaster/centos-binary-nova-compute:3ed8ac0e93367a02ad53d9fa93467057724b6621_fd8eb74b\", \"privileged\": false, \"user\": \"root\", \"volumes\": [\"/var/lib/nova:/var/lib/nova:shared,z\", \"/var/lib/docker-config-scripts/:/docker-config-scripts/\"]}', '--privileged=false', '--user=root', '--volume=/var/lib/nova:/var/lib/nova:shared,z', '--volume=/var/lib/docker-config-scripts/:/docker-config-scripts/', 'docker.io/tripleomaster/centos-binary-nova-compute:3ed8ac0e93367a02ad53d9fa93467057724b6621_fd8eb74b', '/docker-config-scripts/nova_statedir_ownership.py']. [1]",
        "stderr: standard_init_linux.go:178: exec user process caused \"no such file or directory\"",

[Alex Schultz (alex-schultz)]

This has to do with the replacement of "/usr/bin/env python" in scripts from THT in the fedora packaging. The nova_statedir_ownership.py file is a python file distributed via THT but run in a container. If this container is a CentOS7 based container, it has to be python2. But our THT packaging is replacing all instances of /usr/bin/env python with /usr/bin/python3.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/618027

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/618027
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=a6408f0c092394c8b7750b6fab45fc7b313bfcc8
Submitter: Zuul
Branch: master

commit a6408f0c092394c8b7750b6fab45fc7b313bfcc8
Author: Alex Schultz <email address hidden>
Date: Wed Nov 14 13:55:12 2018 -0700

    Add python shim for docker config scripts

    Unfortunately we may not necessarily know what version of python is
    available in the containers when we run some python config scripts. In
    order to work around this we have a pyshim which will try and find an
    existing version of python available to run the script under. The
    pyshim.sh will try python3 then python2 then python.

    Depends-On: https://review.openstack.org/#/c/617716/
    Change-Id: Ie08481722e9b22bb67d5282828df0941f37a140a
    Closes-Bug: #1803411

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-heat-templates 10.2.0 release.