https://github.com/vito/posh

declarative bosh diff
https://github.com/vito/posh

Last synced: over 1 year ago
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declarative bosh diff

• Host: GitHub
• URL: https://github.com/vito/posh
• Owner: vito
• Created: 2013-08-21T06:20:13.000Z (almost 13 years ago)
• Default Branch: master
• Last Pushed: 2013-08-22T16:42:23.000Z (almost 13 years ago)
• Last Synced: 2025-01-25T19:11:56.638Z (over 1 year ago)
• Language: Go
• Size: 145 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README

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README

          
template system mockup:

  {{ foo }}:

    look for the nearest 'foo' key (i.e. lexical scoping) and bring it in

  {{ foo.bar.baz }}:

    look for the nearest 'foo' key and get attributes on it

    if foo.bar is nil, return nil

  {{ "foo" }}:

    string literal

  {{ "foo" + bar }}

    string concatenation (where bar is another arbitrary expr)

  {{ auto }}:

    context-sensitive; in a resource pool's instances: this means calculate

    based on the # of jobs declared in the pool

  {{ merge }}:

    bring the current path in from the template being diff'd against

    e.g.:

    foo:

      bar:

        baz: {{ merge }}

    will bring in {{ foo.bar.baz }}

    if the corresponding value is not defined, it will return nil

  {{ a || b }}:

    uses a or b if a is nil

  {{ static_ips(N, "cf1.static") }}:

    generate N static IPs in the cf1.static network, returning an array of

    strings

    see https://github.com/cloudfoundry/bosh/blob/a41407817b1d07e1f2523305c73ef5c53598d199/bosh_cli/lib/cli/commands/biff.rb#L239-L271