Class: HAProxy::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/haproxy/parser.rb

Overview

Responsible for reading an HAProxy config file and building an HAProxy::Config instance.

Constant Summary collapse

Error =

Raised when an error occurs during parsing.

Class.new(StandardError)
SERVER_ATTRIBUTE_NAMES_1_3 =

haproxy 1.3

%w[
  addr backup check cookie disabled fall id inter fastinter downinter
  maxconn maxqueue minconn port redir rise slowstart source track weight
]
SERVER_ATTRIBUTE_NAMES_1_4 =

Added in haproxy 1.4

%w[error-limit observe on-error]
SERVER_ATTRIBUTE_NAMES_1_5 =

Added in haproxy 1.5

%w[
  agent-check agent-inter agent-port ca-file check-send-proxy check-ssl
  ciphers crl-file crt error-limit force-sslv3 force-tlsv10 force-tlsv11
  force-tlsv12 no-sslv3 no-tls-tickets no-tlsv10 no-tlsv11 no-tlsv12 non-stick observe
  on-error on-marked-down on-marked-up send-proxy send-proxy-v2 send-proxy-v2-ssl
  send-proxy-v2-ssl-cn ssl verify verifyhost
]
SERVER_ATTRIBUTE_NAMES_1_6 =

Added in haproxy 1.6

%w[
  namespace no-ssl-reuse resolve-prefer resolvers sni tcp-ut
]
SERVER_ATTRIBUTE_NAMES_1_7 =

Added in haproxy 1.7

%w[
  agent-send init-addr resolve-net
]
SERVER_ATTRIBUTE_NAMES_1_8 = 
%w[
  agent-addr check-sni enabled force-tlsv13 no-agent-check no-backup no-check no-check-ssl
  no-send-proxy no-send-proxy-v2 no-send-proxy-v2-ssl no-send-proxy-v2-ssl-cn no-ssl no-tlsv13
  no-verifyhost ssl-max-ver ssl-min-ver ssl-reuse stick tls-tickets
]
SERVER_ATTRIBUTE_NAMES_1_9 = 
%w[
  alpn check-alpn max-reuse npn pool-max-conn pool-purge-delay proto proxy-v2-options
].freeze
SERVER_ATTRIBUTE_NAMES = 
[
  SERVER_ATTRIBUTE_NAMES_1_3,
  SERVER_ATTRIBUTE_NAMES_1_4,
  SERVER_ATTRIBUTE_NAMES_1_5,
  SERVER_ATTRIBUTE_NAMES_1_6,
  SERVER_ATTRIBUTE_NAMES_1_7,
  SERVER_ATTRIBUTE_NAMES_1_8,
  SERVER_ATTRIBUTE_NAMES_1_9,
].flatten.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = nil) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/haproxy/parser.rb', line 52

def initialize(options = nil)
  options ||= {}
  options = {verbose: false}.merge(options)

  self.options = options
  self.verbose = options[:verbose]
end

Instance Attribute Details

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/haproxy/parser.rb', line 50

def options
  @options
end

#parse_result ⇒ Object

Returns the value of attribute parse_result.



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# File 'lib/haproxy/parser.rb', line 50

def parse_result
  @parse_result
end

#verbose ⇒ Object

Returns the value of attribute verbose.



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# File 'lib/haproxy/parser.rb', line 50

def verbose
  @verbose
end

Instance Method Details

#parse(config_text) ⇒ Object 



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# File 'lib/haproxy/parser.rb', line 65

def parse(config_text)
  result = parse_config_text(config_text)
  self.parse_result = result
  build_config(result)
end

#parse_file(filename) ⇒ Object 



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# File 'lib/haproxy/parser.rb', line 60

def parse_file(filename)
  config_text = File.read(filename)
  parse(config_text)
end