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This is the first real pass towards using caching. The `puppet`
executable actually uses the indirection work, instead of
handlers and such (and man! is it cleaner).
Most of this work was a result of trying to get the client-side
story working, with correct yaml caching of configurations, which
means this commit also covers converting configurations to yaml,
which was a much bigger PITA than it needed to be.
I still need to write integration tests, and I also need to cover
the server-side story of a normal configuration retrieval.
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to work. As a result, it involves a lot of integration-level
testing, and a lot of small design changes to make the code
actually work.
In particular, indirections can now have default termini,
so that configurations and facts default to their code terminus
Also, I've removed the ability to manually control whether
ast nodes are used. I might need to add it back in later,
but if so it will be in the form of a global setting,
rather than the previous system of passing it through 10 different
classes. Instead, the parser detects whether there are AST nodes
defined and requires them if so or ignores them if not.
About 75 tests are still failing in the main set of tests,
but it's going to be a long slog to get them working --
there are significant design issues around them, as most of
the failures are a result of tests trying to emulate both the
client and server sides of a connection, which normally would
have different fact termini but in this case must have the same
terminus just because they're in the same process and are global.
The next step, then, is to figure that process out, thus finding a way
to make this all work.
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into the indirection system. There are still quite
a few unanswered questions, the two most notable
being embodied in unimplemented tests in the Configuration
Code terminus.
This also requires changing the behaviour in a few places.
In particular, 'puppet' and the 'module_puppet' cfengine
module need to store a Node object in memory with the appropriate
classes, since that's now the only way to communicate with
the compiler. That integration work has not yet been done,
partially because the old configuration handler (which the
soon-to-be-deprecated master handler now uses) still exists.
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'Puppet::Util::Settings'. This is to clear up
confusion caused by the fact that we now have a
'Configuration' class to model host configurations,
or any set of resources as a "configuration".
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Conflicts:
lib/puppet/defaults.rb
lib/puppet/indirector/facts/yaml.rb
spec/unit/indirector/indirection.rb
spec/unit/indirector/indirector.rb
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it's time to merge it back into the indirection branch.
Considering that this work was what drove me to create the
indirection branch in the first place, i should now be able to
merge both back in the master branch.
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in place, which means I'm over the hump in developing
this branch.
I have to fix some design flaws I made in the configurations,
particularly that the 'runner' handler needs to be able to
specify tags and whether to ignore schedules, but otherwise,
I think it's straightforward test- and bug-fixing from here out.
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branch. The file recursion code actually works for the first
time in a painful while, but there are still some quirks and design
issues to resolve, particularly around creating implicit resources
that then fail (i.e., the behaviour of the create_implicit_resource
method in Configuration).
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I've gone too far down the rabbit hole to turn back now, but the
code is clearly getting more centralized around the Configuration
class, which is the goal.
Things are currently a bit muddy between recursion, dynamic resource
generation, transactions, and the configuration, and I don't expect
to be able to clear it up much until we rewrite all of the tests
for the Transaction class, since that is when we'll actually be
setting its behaviour.
At this point, Files (which are currently the only resources that
generate other resources) are responsible for adding their edges
to the relationship graph. This puts them knowing more than I would
like about how the relationship graph works, but it'll have to do for now.
There are still failing tests, but files seem to work again. Now to
go through the rest of the tests and make them work.
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are inside a configuration, so the resources can interact with the configuration to get things like relationships.
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ever converting the Transportable objects into a tree of components
and then converting that into a graph. This is a significant
step, and drastically simplifies the model of how to use a configuration.
The old code might have looked something like this:
file = Puppet::Type.create :path => "/whatever", ...
comp = Puppet::Type.create :name => :whatever
comp.push file
transaction = comp.evaluate
transaction.evaluate
The new code looks like this:
file = Puppet::Type.create :path => "/whatever", ...
config = Puppet::Node::Configuration.new
config.add_resource file
config.apply
I did not really intend to do this much refactoring, but I
found I could not use a Configuration object to do work
without refactoring a lot of the system. The primary problem
was that the Client::Master and the Config classes determined
how the transactions behaved; when I moved to using a Configuration,
this distinction was lost, which meant that configurations were
often needing to create other configurations, which resulted in
a whole lot of infinite recursion (e.g., Config objects that create
directories for Puppet use Configuration objects -- yes, I'm
s/Config/Settings/g soon -- and these Configuration objects would
need to create directories).
Not everything is fixed, but it's very close. I am clearly over
the hump, though, so I wanted to get a commit in.
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to add a few more specs, though.
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pass given the redesign that Rick implemented.
This was mostly a question of fixing
the method names and the mocks.
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than the base PGraph class. I expect I will just do away with PGraph, but for now, I am at least going to keep configuration-related code in that class.
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and are used instead of the network handlers, which have been removed. There are some failing tests as a result, but I want to get this code committed before I massage the rest of the system to make it work again.
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indirector. I have not yet added the tests for the node handlers themselves, which is next.
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instead of pre-extracting the configuration.
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that has a resource graph including resources for the container objects like classes and nodes. It is apparently functional, but I have not gone through all of the other tests to fix them yet. That is next.
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