A bit about Chef 0.9
Chef 0.9.0 was released on June 20, and then several more patches fixing bugs in this product. In fact, it can be recommended for use, starting with version 0.9.4.
The client and server protocols have been changed, so the update from Chef 0.8 should be done both on the server and on the client machines. The update process itself is trivial (on the server, if installed from gems - gem install chef chef-server chef-server-api chef-server-webui chef-solr ohai, plus restart services, plus rake install, on the client just gem i chef)
Major changes have affected the storage of "cookbooks" - now you can simultaneously support multiple versions of one book. Improved support for Windows clients.
Important: archived versions of updated files are now added up not next to the file, but in a separate folder.
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Part of the functionality is now marked as obsolete (remote_file can be replaced with cookbook_file when accessing the file inside the book, the node variable can be replaced with node in the recipes), but not deleted.
More information about the changes can be found in the following announcements:
The client and server protocols have been changed, so the update from Chef 0.8 should be done both on the server and on the client machines. The update process itself is trivial (on the server, if installed from gems - gem install chef chef-server chef-server-api chef-server-webui chef-solr ohai, plus restart services, plus rake install, on the client just gem i chef)
Major changes have affected the storage of "cookbooks" - now you can simultaneously support multiple versions of one book. Improved support for Windows clients.
Important: archived versions of updated files are now added up not next to the file, but in a separate folder.
')
Part of the functionality is now marked as obsolete (remote_file can be replaced with cookbook_file when accessing the file inside the book, the node variable can be replaced with node in the recipes), but not deleted.
More information about the changes can be found in the following announcements:
Source: https://habr.com/ru/post/98681/
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