Class: Cheffish::ChefProviderBase
- Inherits:
-
Chef::Provider::LWRPBase
- Object
- Chef::Provider::LWRPBase
- Cheffish::ChefProviderBase
show all
- Defined in:
- lib/cheffish/chef_provider_base.rb
Defined Under Namespace
Classes: FakeEntry
Instance Method Summary
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#apply_modifiers(modifiers, json) ⇒ Object
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#apply_run_list_modifiers(add_to_run_list, delete_from_run_list, run_list) ⇒ Object
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#augment_current_json(json) ⇒ Object
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#augment_new_json(json) ⇒ Object
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#current_json ⇒ Object
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#current_resource_exists? ⇒ Boolean
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#json_differences(old_json, new_json, print_values = true, name = '', result = nil) ⇒ Object
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#json_differences_internal(old_json, new_json, print_values, name, result) ⇒ Object
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#json_to_resource(json) ⇒ Object
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#new_json ⇒ Object
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#normalize(json) ⇒ Object
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#normalize_for_post(json) ⇒ Object
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#normalize_for_put(json) ⇒ Object
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#not_found_resource ⇒ Object
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#resource_to_json(resource) ⇒ Object
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#rest ⇒ Object
-
#same_run_list_item(a, b) ⇒ Object
Instance Method Details
#apply_modifiers(modifiers, json) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 121
def apply_modifiers(modifiers, json)
return json if !modifiers || modifiers.size == 0
if json
json = Marshal.load(Marshal.dump(json)) else
json = {}
end
modifiers.each do |path, value|
path = [path] if !path.kind_of?(Array)
path = path.map { |path_part| path_part.to_s }
parent = 0.upto(path.size-2).inject(json) do |hash, index|
if hash.nil?
nil
elsif !hash.is_a?(Hash)
raise "Attempt to set #{path} to #{value} when #{path[0..index-1]} is not a hash"
else
hash[path[index]]
end
end
if !parent.nil? && !parent.is_a?(Hash)
raise "Attempt to set #{path} to #{value} when #{path[0..-2]} is not a hash"
end
existing_value = parent ? parent[path[-1]] : nil
if value.is_a?(Proc)
value = value.call(existing_value)
end
if value == :delete
parent.delete(path[-1]) if parent
else
parent = path[0..-2].inject(json) do |hash, path_part|
hash[path_part] = {} if !hash[path_part]
hash[path_part]
end
parent[path[-1]] = value
end
end
json
end
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#apply_run_list_modifiers(add_to_run_list, delete_from_run_list, run_list) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 165
def apply_run_list_modifiers(add_to_run_list, delete_from_run_list, run_list)
return run_list if (!add_to_run_list || add_to_run_list.size == 0) && (!delete_from_run_list || !delete_from_run_list.size)
delete_from_run_list ||= []
add_to_run_list ||= []
run_list = Chef::RunList.new(*run_list)
result = []
add_to_run_list_index = 0
run_list_index = 0
while run_list_index < run_list.run_list_items.size do
found_desired = add_to_run_list.index { |item| same_run_list_item(item, run_list[run_list_index]) }
if found_desired
if found_desired >= add_to_run_list_index
result += add_to_run_list[add_to_run_list_index..found_desired].map { |item| item.to_s }
add_to_run_list_index = found_desired+1
end
else
unless delete_from_run_list.index { |item| same_run_list_item(item, run_list[run_list_index]) }
result << run_list[run_list_index].to_s
end
end
run_list_index += 1
end
result += add_to_run_list[add_to_run_list_index..-1].map { |item| item.to_s }
result
end
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#augment_current_json(json) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 55
def augment_current_json(json)
json
end
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#augment_new_json(json) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 42
def augment_new_json(json)
json
end
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#current_json ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 46
def current_json
@current_json ||= begin
result = normalize(resource_to_json(current_resource))
result = augment_current_json(result)
result
end
end
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#current_resource_exists? ⇒ Boolean
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# File 'lib/cheffish/chef_provider_base.rb', line 11
def current_resource_exists?
Array(current_resource.action) != [ :delete ]
end
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#json_differences(old_json, new_json, print_values = true, name = '', result = nil) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 82
def json_differences(old_json, new_json, print_values=true, name = '', result = nil)
result ||= []
json_differences_internal(old_json, new_json, print_values, name, result)
result
end
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#json_differences_internal(old_json, new_json, print_values, name, result) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 88
def json_differences_internal(old_json, new_json, print_values, name, result)
if old_json.kind_of?(Hash) && new_json.kind_of?(Hash)
removed_keys = old_json.keys.inject({}) { |hash, key| hash[key] = true; hash }
new_json.each_pair do |new_key, new_value|
if old_json.has_key?(new_key)
removed_keys.delete(new_key)
if new_value != old_json[new_key]
json_differences_internal(old_json[new_key], new_value, print_values, name == '' ? new_key : "#{name}.#{new_key}", result)
end
else
if print_values
result << " add #{name == '' ? new_key : "#{name}.#{new_key}"} = #{new_value.inspect}"
else
result << " add #{name == '' ? new_key : "#{name}.#{new_key}"}"
end
end
end
removed_keys.keys.each do |removed_key|
result << " remove #{name == '' ? removed_key : "#{name}.#{removed_key}"}"
end
else
old_json = old_json.to_s if old_json.kind_of?(Symbol)
new_json = new_json.to_s if new_json.kind_of?(Symbol)
if old_json != new_json
if print_values
result << " update #{name} from #{old_json.inspect} to #{new_json.inspect}"
else
result << " update #{name}"
end
end
end
end
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#json_to_resource(json) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 68
def json_to_resource(json)
resource = resource_class.new(new_resource.name, run_context)
keys.each do |json_key, resource_key|
resource.send(resource_key, json.delete(json_key))
end
resource.raw_json json
resource
end
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#new_json ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 29
def new_json
@new_json ||= begin
if new_resource.complete
result = normalize(resource_to_json(new_resource))
else
result = current_json.merge(resource_to_json(new_resource))
end
augment_new_json(result)
end
end
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#normalize(json) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 78
def normalize(json)
data_handler.normalize(json, fake_entry)
end
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#normalize_for_post(json) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 25
def normalize_for_post(json)
data_handler.normalize_for_post(json, fake_entry)
end
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#normalize_for_put(json) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 21
def normalize_for_put(json)
data_handler.normalize_for_put(json, fake_entry)
end
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#not_found_resource ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 15
def not_found_resource
resource = resource_class.new(new_resource.name, run_context)
resource.action :delete
resource
end
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#resource_to_json(resource) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 59
def resource_to_json(resource)
json = resource.raw_json || {}
keys.each do |json_key, resource_key|
value = resource.send(resource_key)
json[json_key] = value if value
end
json
end
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#rest ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 7
def rest
@rest ||= Cheffish.chef_server_api(new_resource.chef_server)
end
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#same_run_list_item(a, b) ⇒ Object
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# File 'lib/cheffish/chef_provider_base.rb', line 202
def same_run_list_item(a, b)
a_name = a.name
b_name = b.name
if a.type == :recipe && a_name =~ /(.+)::default$/
a_name = $1
elsif b.type == :recipe && b_name =~ /(.+)::default$/
b_name = $1
end
a_name == b_name && a.type == b.type end
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