Class: LegacyFacter::Util::Parser::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/facter/custom_facts/util/parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename, content = nil) ⇒ Base

Returns a new instance of Base.



48
49
50
51
 
# File 'lib/facter/custom_facts/util/parser.rb', line 48

def initialize(filename, content = nil)
  @filename = filename
  @content  = content
end

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



46
47
48
 
# File 'lib/facter/custom_facts/util/parser.rb', line 46

def filename
  @filename
end

Instance Method Details

#content ⇒ Object 



53
54
55
 
# File 'lib/facter/custom_facts/util/parser.rb', line 53

def content
  @content ||= Facter::Util::FileHelper.safe_read(filename, nil)
end

#log_stderr(msg, command, file) ⇒ Object 



85
86
87
88
89
90
91
92
 
# File 'lib/facter/custom_facts/util/parser.rb', line 85

def log_stderr(msg, command, file)
  return if !msg || msg.empty?

  file_name = file.split('/').last
  logger = Facter::Log.new(file_name)

  logger.warn(format(STDERR_MESSAGE, command, msg.strip))
end

#parse_executable_output(output) ⇒ Object 



70
71
72
73
74
75
76
77
78
79
80
81
82
83
 
# File 'lib/facter/custom_facts/util/parser.rb', line 70

def parse_executable_output(output)
  res = nil
  begin
    res = if Gem::Version.new(Psych::VERSION) >= Gem::Version.new('3.1.0') # Ruby 2.6+
            YAML.safe_load(output, permitted_classes: [Symbol, Time])
          else
            YAML.safe_load(output, [Symbol, Time])
          end
  rescue StandardError => e
    Facter.debug("Could not parse executable fact output as YAML or JSON (#{e.message})")
  end
  res = KeyValuePairOutputFormat.parse output unless res.is_a?(Hash)
  res
end

#parse_results ⇒ Object

Raises:

  • (ArgumentError) 


66
67
68
 
# File 'lib/facter/custom_facts/util/parser.rb', line 66

def parse_results
  raise ArgumentError, 'Subclasses must respond to parse_results'
end

#results ⇒ Object

results on the base class is really meant to be just an exception handler wrapper.



59
60
61
62
63
64
 
# File 'lib/facter/custom_facts/util/parser.rb', line 59

def results
  parse_results
rescue StandardError => e
  Facter.log_exception(e, "Failed to handle #{filename} as #{self.class} facts: #{e.message}")
  nil
end