Feature: metadata dependencies are auto installed

[cardil]

Auto-Install of dependencies based on metadata.json info

Adding support to install modules from remote Puppet Forge, automatically, by reading contents of metadata.json. There are some configuration options added, like option to define forge address. Automatic installation is disabled by default to keep backward compatibility - in next major version it should be enabled by default.

Actual default value is:

fixtures:
  metadata:
    autoinstall_dependencies: false

Additionally:

• Adding installed module tree display after dependencies installation.
• Added more tests, including acceptance, so that rake spec using this module will be asserted.

[puppetcla]

CLA signed by all contributors.

[codecov-io]

Codecov Report

Merging #291 into master will decrease coverage by 2.83%.
The diff coverage is 20.61%.

@@            Coverage Diff             @@
##           master     #291      +/-   ##
==========================================
- Coverage   44.88%   42.04%   -2.84%     
==========================================
  Files          11       12       +1     
  Lines         782      849      +67     
==========================================
+ Hits          351      357       +6     
- Misses        431      492      +61

Impacted Files	Coverage Δ
...puppetlabs_spec_helper/puppetlabs_spec/metadata.rb	19.51% <19.51%> (ø)
lib/puppetlabs_spec_helper/tasks/fixtures.rb	31.96% <21.42%> (-3.08%)	⬇️
...bs_spec_helper/puppetlabs_spec/puppet_internals.rb	92.5% <0%> (-2.5%)	⬇️
lib/puppetlabs_spec_helper/puppet_spec_helper.rb	65.51% <0%> (-1.73%)	⬇️
lib/puppetlabs_spec_helper/rake_tasks.rb	47.61% <0%> (-0.25%)	⬇️
lib/puppetlabs_spec_helper/tasks/check_symlinks.rb	100% <0%> (ø)	⬆️
...puppetlabs_spec_helper/puppetlabs_spec/matchers.rb	21.27% <0%> (+0.44%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0797846...d337c07. Read the comment docs.

[cardil]

@Cosaquee I'm notifying you as you always wanted this feature 😉

[cardil]

Due to PUP-9813 installation is rather slow. Merging PR puppetlabs/puppet#7602 should provide a walkaround, until minitar performance can be enhanced.

[logicminds]

#284 should speed up the downloads greatly.

[cardil]

But it's not download that are a problem but extraction of archives. Especially large like stdlib.

Parallel execution might help, but not with this PR as it pass installation of modules and their dependencies to puppet.

[daianamezdrea]

Hi @cardil, this looks nice! Can you rebase it, please ? Thank you! Cheers!

[DavidS]

As much as I'd like to have the changes, I've tried rebasing this and didn't get anywhere as the core changes in fixtures download are clashing hard with the other changes that have went in.

If anyone gets around to resurrecting this code, please do open a new PR referencing this one.