Class: OodCore::Clusters

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/ood_core/clusters.rb

Overview

An enumerable that contains a list of Cluster objects

Constant Summary collapse

CONFIG_VERSION =

The format version of the configuration file

['v2', 'v1']

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(clusters = []) ⇒ Clusters

Returns a new instance of Clusters.

Parameters:

  • (defaults to: [])

    list of cluster objects



109
110
111
 
# File 'lib/ood_core/clusters.rb', line 109

def initialize(clusters = [])
  @clusters = clusters
end

Class Method Details

.load_file(path) ⇒ Clusters

Parse a configuration file or a set of configuration files in a directory

Parameters:

  • configuration file or directory path

Returns:

  • the clusters parsed from config

Raises:

  • if path does not exist



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/ood_core/clusters.rb', line 17

def load_file(path)
  config = Pathname.new(path.to_s).expand_path

  clusters = []
  if config.file?
    if config.readable?
      CONFIG_VERSION.any? do |version|
        begin
          YAML.safe_load(config.read)&.fetch(version, {}).each do |k, v|
            clusters << Cluster.new(send("parse_#{version}", id: k, cluster: v))
          end
        rescue Psych::SyntaxError => e
          clusters << InvalidCluster.new(
            id: config.basename(config.extname).to_s,
            errors: [ e.message.to_s ]
          )
        end
      end
    end
  elsif config.directory?
    Pathname.glob([config.join("*.yml"), config.join("*.yaml")]).select(&:file?).select(&:readable?).each do |p|
      CONFIG_VERSION.any? do |version|
        begin
          if cluster = YAML.safe_load(p.read)&.fetch(version, nil)
            clusters << Cluster.new(send("parse_#{version}", id: p.basename(p.extname()).to_s, cluster: cluster))
          end
        rescue Psych::SyntaxError => e
          clusters << InvalidCluster.new(
            id: p.basename(p.extname).to_s,
            errors: [ e.message.to_s ]
          )
        end
      end
    end
  else
    raise ConfigurationNotFound, "configuration file '#{config}' does not exist"
  end

  new clusters
end

Instance Method Details

#[](id) ⇒ Cluster?

Find cluster in list using the id of the cluster

Parameters:

  • id of cluster object

Returns:

  • cluster object if found



116
117
118
 
# File 'lib/ood_core/clusters.rb', line 116

def [](id)
  @clusters.detect { |cluster| cluster == id }
end

#each {|cluster| ... } ⇒ Object

For a block {|cluster| …}

Yields:

  • (cluster) —

    Gives the next cluster object in the list



122
123
124
 
# File 'lib/ood_core/clusters.rb', line 122

def each(&block)
  @clusters.each(&block)
end