"Failed to format sample" warning in neutron.conf.sample file

[Matt Kassawara]

After generating the neutron configuration files, the following warnings appear in the [nova] section of the neutron.conf.sample file:

#
# From nova.auth
#

# Warning: Failed to format sample for auth_url
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for default_domain_id
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for default_domain_name
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for domain_id
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for domain_name
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for password
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for project_domain_id
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for project_domain_name
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for project_id
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for project_name
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for tenant_id
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for tenant_name
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for trust_id
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for user_domain_id
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for user_domain_name
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for user_id
# isinstance() arg 2 must be a class, type, or tuple of classes and types

# Warning: Failed to format sample for username
# isinstance() arg 2 must be a class, type, or tuple of classes and types

[Henry Gessau (gessau)]

I think this is a problem in oslo.config

[Henry Gessau (gessau)]

These opts don't have a mutable property.

[Henry Gessau (gessau)]

Fixed by https://review.openstack.org/291857

[Henry Gessau (gessau)]

However, when I use the oslo.config patch, I see the following warnings:

/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for auth_url (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for default_domain_id (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for default_domain_name (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for domain_id (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for domain_name (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for password (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for project_domain_id (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for project_domain_name (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for project_id (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for project_name (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for tenant_id (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for tenant_name (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for trust_id (<class 'keystoneauth1.loading.opts.Opt'>): 'Opt' object has no attribute 'mutable'
  (opt.dest, opt.__class__, err),
/home/henry/Dev/oslo/config/oslo_config/generator.py:210: UserWarning: Incompatible option class for user_do...

[Henry Gessau (gessau)]

This is fixed by https://review.openstack.org/292640