Use symlink for constant install path with multiple versions

[patcon]

Seems this would be a bit more intuitive and similar to how capistrano and lots of other tools manage deployment of multiple versions. Any objections in principle?

opt
└── atlassian
    └── confluence
        ├── atlassian-confluence-5.4.5
        ├── atlassian-confluence-5.5.7
        └── current -> atlassian-confluence-5.5.7

[legal90]

I suppose, it can be achieved by ark resource (related to #38). chef-stash cookbook is a good example:
https://github.com/bflad/chef-stash/blob/04d09e177d5edb0e8d89be1caa740564868f4884/recipes/linux_standalone.rb#L43-L51

But it is applicable only for standalone installation type, not for installer.

[patcon]

Ok, done and done. This is a little different structure than above, but aligns more with how ark likes to work:

opt
└── atlassian
    ├── confluence -> confluence-5.5.7
    ├── confluence-5.4.5
    └── confluence-5.5.7

This takes the approach that node['confluence']['install_path'] = '/opt/atlassian/confluence', which I think makes more sense than stash's setting it as /opt/atlassian.

[patcon]

To clarify, stash's way requires that recipes and templates need to add a suffix to install_path each time, which seems non-ideal:
https://github.com/bflad/chef-stash/blob/master/recipes/tomcat_configuration.rb#L3

[legal90]

Great, thanks!

[lock]

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