Class: Kube::Cluster::TreeNode

Inherits:
Object
  • Object
show all
Defined in:
lib/kube/cluster/tree_node.rb

Constant Summary collapse

RESOURCE_PARENTS =

Commands whose leaf children are resource types. Non-leaf children (those with their own subtree) remain commands.

%w[
  create
  create/secret
  create/service
  top
].freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name:, type:, children: {}) ⇒ TreeNode

Returns a new instance of TreeNode.



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# File 'lib/kube/cluster/tree_node.rb', line 17

def initialize(name:, type:, children: {})
  @name     = name.freeze
  @type     = type
  @children = children.freeze
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



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# File 'lib/kube/cluster/tree_node.rb', line 15

def children
  @children
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/kube/cluster/tree_node.rb', line 15

def name
  @name
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/kube/cluster/tree_node.rb', line 15

def type
  @type
end

Class Method Details

.build(hash, parent_path: nil) ⇒ Object

Recursively build a children hash of TreeNodes from the parsed JSON. parent_path tracks position in the tree to determine child types.



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# File 'lib/kube/cluster/tree_node.rb', line 28

def self.build(hash, parent_path: nil)
  hash.each_with_object({}) do |(key, subtree), children|
    name         = key.to_s
    current_path = [parent_path, name].compact.join("/")
    leaf         = subtree.empty?

    # Under a resource parent, leaf nodes are resources, non-leaves are commands.
    # Everywhere else, everything is a command.
    child_type = if RESOURCE_PARENTS.include?(parent_path.to_s) && leaf
                   :resource
                 else
                   :command
                 end

    children[name] = new(
      name:     name,
      type:     child_type,
      children: build(subtree, parent_path: current_path)
    )
  end
end

Instance Method Details

#command? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kube/cluster/tree_node.rb', line 23

def command?  = type == :command

#resource? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kube/cluster/tree_node.rb', line 24

def resource? = type == :resource