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Add a kubernetes-render task #375

Merged
merged 13 commits into from
Dec 14, 2018
Merged

Add a kubernetes-render task #375

merged 13 commits into from
Dec 14, 2018

Commits on Dec 10, 2018

  1. Factor out an OptionsHelper module to DRY up some of the options pars… 

    …ing used in exe files.
    @airhorns
    airhorns committed Dec 10, 2018
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  2. Move TaskConfigurationError to the root module so it can be reused

    @airhorns
    airhorns committed Dec 10, 2018
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  3. Add a stdout_assertion test helper that captures what was supposed to… 

    … go to $stdout and conditionally asserts on it if logs aren't being printed
    @airhorns
    airhorns committed Dec 10, 2018
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  4. Add a kubernetes-render command, which renders templates to STDOUT 

    This introduces kubernetes-render, which is a UNIX-philosphy abiding simple tool that can pipe ERB-rendered raw YAML along to the next place anyone wants to send it. It renders one template in a template_dir with bindings.

It does this by:

Adding a new RenderTask that invokes a Renderer on a passed template
Adding a new exe file that invokes RenderTask
    @airhorns
    airhorns committed Dec 10, 2018
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  5. Update the formatted logger to not always need a namespace and a context

    @airhorns
    airhorns committed Dec 10, 2018
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  6. Allow kubernetes-render to take multiple templates to render, and ren… 

    …der all if none are given

Also fixes an issue from previous commits where a method in the test_helper named test_output_stream was being interpreted as an actual test. Oops!
    @airhorns
    airhorns committed Dec 10, 2018
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  7. Give Psych the filename of the stream we are rendering for better err… 

    …or messages
    @airhorns
    airhorns committed Dec 10, 2018
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  8. Group exceptions when rendering in the render task and only raise at … 

    …the end so as much progress is made as possible
    @airhorns
    airhorns committed Dec 10, 2018
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Commits on Dec 11, 2018

  1. Remove superfluous else clause when logging with a prefix

    @airhorns
    airhorns committed Dec 11, 2018
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  2. Add a pre-render log message to make it a bit clearer why a rendering… 

    … failed
    @airhorns
    airhorns committed Dec 11, 2018
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Commits on Dec 12, 2018

  1. Validate that runtime errors in rendering YAML are raised and caught … 

    …as InvalidTemplateErrors

I mistakenly was catching and treating FatalDeployErrors as something different, but they aren't! This unifies it (and breaks out a different method for rendering for clarity)
    @airhorns
    airhorns committed Dec 12, 2018
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  2. Use a slightly simpler way of yielding strings in the test helper 

    Since its a StringIO, we don't really need to rewind and whatnot.
    @airhorns
    airhorns committed Dec 12, 2018
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  3. Log invalid template content if available upon render failure as well

    @airhorns
    airhorns committed Dec 12, 2018
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