Issue #2832 has been reported by Alan Barrett.
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Bug #2832: too much caching of the directory in which a module was found
http://projects.reductivelabs.com/issues/2832
Author: Alan Barrett
Status: Unreviewed
Priority: Normal
Assigned to:
Category:
Target version:
Affected version: 0.25.1
Keywords:
Branch:
If an environment has a modulepath defined in puppet.conf, and if a module is
copied from a directory late in the path to a directory earlier in the path,
then clients still use the old copy from the wrong directory in the modulepath.
For example, with something like this in puppet conf:
<pre>
[puppetmasterd]
environments = dev,prod
[dev]
# dev machines prefer dev modules, but may also use prod modules
# when there is no corresponding dev module
modulepath = /etc/puppet/dev/modules:/etc/puppet/prod/modules
[prod]
# prod machines use prod modules
modulepath = /etc/puppet/prod/modules
</pre>
If module "mymodule" exists in .../prod/modules/mymodule but not in
.../dev/modules/mymodule, and I run puppetd on a client in the "dev"
environment, then that client gets the prod version of the module, as expected
(because there is no dev version of the module).
Later, if I create a dev version of the module (say by copying
.../prod/modules/mymodule to .../dev/modules/mymoduleand editing the copy),
then I expect the client in the "dev" environment to get the dev version of the
module. In fact, it still gets the prod version of the module, until
puppetmasterd is restarted.
I think that this sort of change should automatically be noticed by the
puppetmasterd process. The implementation could stat() each directory in the
modulepath, check after configtimeout seconds for changes in the directory
timestamps (which would imply that files or subdirectories had been added or
removed), and invalidate appropriate caches when a change is detected.
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