chef

chef.sh

# Add item to runlist
export item='recipe[job::redis]'
knife exec -E 'nodes.find("chef_environment:staging") {|n| puts n.run_list << ENV["item"] unless n.run_list.include?(ENV["item"]); n.save }'

# Delete item from runlist
export item='recipe[job::redis]'
knife exec -E 'nodes.transform("chef_environment:staging") {|n| puts n.run_list.remove(ENV["item"]); n.save }'

# Replace item in runlist
export item_from='recipe[base::nginx]'
export item_to='role[frontend]'
knife exec -E 'nodes.find("chef_environment:staging") {|n| next unless n.run_list.include?(ENV["item_from"]); list = n.run_list.map{|x| x == ENV["item_from"] ? ENV["item_to"] : x }; puts n.run_list(list); n.save}'

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