Description of problem:
In Python-paunch 2.5.0-5, the below fix was introduced , This check fails when a docker volume is used and not a filesystem folder as the docker volume will only be created when the container is created. 

The below issue is not seen in Python-paunch 2.5.0-4



Changelog

https://access.redhat.com/downloads/content/python-paunch/2.5.0-5.el7ost/noarch/fd431d51/package-changelog

    Check if volume paths exist before executing Docker. (rhbz#1732564)

This check fails when a docker volume is used and not a filesystem folder as the docker volume will only be created when the container is created. This is clearly a bug.

Version-Release number of selected component (if applicable):


How reproducible:
All the time

Steps to Reproduce:
paunch apply --file hashed-docker-container-startup-config-step_3.json --config-id 1
Cannot rename "iscsid-mb9xqk1m" since "iscsid" still exists
Cannot rename "nova_libvirt-eh7ecn5p" since "nova_libvirt" still exists
Cannot rename "nova_statedir_owner-ch3is9zs" since "nova_statedir_owner" still exists
Cannot rename "nova_virtlogd-pb7cdc3y" since "nova_virtlogd" still exists
Error running ['docker', 'run', '--name', 'contrail_nova_plugin', '--label', 'config_id=1', '--label', 'container_name=contrail_nova_plugin', '--label', 'managed_by=paunch', '--label', 'config_data={"environment": ["KEYSTONE_AUTH_HOST=192.168.24.11", "KEYSTONE_AUTH_ADMIN_PORT=35357", "KEYSTONE_AUTH_PROTO=http"], "env_file": ["/etc/contrail/common_contrail.env", "/etc/contrail/common_vrouter.env"], "command": ["/bin/sh", "c", "while true; do sleep 10;done"], "image": "192.168.24.1:8787/contrail-openstack-compute-init:rhel-queens-1908-45", "volumes": ["nova_contrail_vif_egg:/opt/plugin/site-packages/nova_contrail_vif-0.1-py2.7.egg-info", "vif_plug_vrouter:/opt/plugin/site-packages/vif_plug_vrouter", "vif_plug_contrail_vrouter:/opt/plugin/site-packages/vif_plug_contrail_vrouter"]}', 'detach=true', 'env-file=/etc/contrail/common_contrail.env', 'env-file=/etc/contrail/common_vrouter.env', 'env=KEYSTONE_AUTH_HOST=192.168.24.11', 'env=KEYSTONE_AUTH_ADMIN_PORT=35357', 'env=KEYSTONE_AUTH_PROTO=http', 'volume=nova_contrail_vif_egg:/opt/plugin/site-packages/nova_contrail_vif-0.1-py2.7.egg-info', 'volume=vif_plug_vrouter:/opt/plugin/site-packages/vif_plug_vrouter', '-volume=vif_plug_contrail_vrouter:/opt/plugin/site-packages/vif_plug_contrail_vrouter', '192.168.24.1:8787/contrail-openstack-compute-init:rhel-queens-1908-45', '/bin/sh', '-c', 'while true; do sleep 10;done'].

stderr: Error: error checking path "nova_contrail_vif_egg": stat nova_contrail_vif_egg: no such file or directory

Actual results:


Expected results:


Additional info: