Class: Puffy::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/puffy/cli.rb

Overview

Command-line processing

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cli

rubocop:disable Metrics/AbcSize, Metrics/MethodLength



10
11
12
13
14
15
16
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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
 
# File 'lib/puffy/cli.rb', line 10

def initialize # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
  cli = self

  @main = Cri::Command.define do
    name    'puffy'
    usage   'puffy [options] <command>'
    summary 'Network firewall rules made easy!'

    description "      Generate firewall rules for multiple nodes from a single network\n      specification file.\n    DESCRIPTION\n\n    flag :h, :help, 'Show help for this command' do |_value, cmd|\n      puts cmd.help\n      exit 0\n    end\n\n    run do |_opts, _args, cmd|\n      puts cmd.help\n      exit 0\n    end\n  end\n\n  @main.define_command do\n    name    'generate'\n    usage   'generate [options] <network> <hostname>'\n    summary 'Generate the firewall configuration for a node'\n\n    description <<~DESCRIPTION\n      Generate the firewall configuration for the node \"hostname\" for which\n      the configuration is described in the \"network\" specification file.\n    DESCRIPTION\n\n    required :f, :formatter, 'The formatter to use', default: 'Pf'\n\n    param('network')\n    param('hostname')\n\n    run do |opts, args|\n      parser = cli.load_network(args[:network])\n      rules = parser.ruleset_for(args[:hostname])\n      policy = parser.policy_for(args[:hostname])\n\n      formatter = Object.const_get(\"Puffy::Formatters::\#{opts[:formatter]}::Ruleset\").new\n      puts formatter.emit_ruleset(rules, policy)\n    end\n  end\n\n  puppet = @main.define_command do\n    name    'puppet'\n    usage   'puppet [options] <subcommand>'\n    summary 'Run puppet actions'\n\n    description <<~DESCRIPTION\n      Manage a directory of firewall configurations files suitable for Puppet.\n    DESCRIPTION\n\n    required :o, :output, 'Base directory for network firewall rules', default: '.'\n\n    run do |_opts, _args, cmd|\n      puts cmd.help\n      exit 0\n    end\n  end\n\n  puppet.define_command do\n    name    'diff'\n    usage   'diff [options] <network>'\n    summary 'Show differences between network specification and firewall rules'\n\n    description <<~DESCRIPTION\n      Show the changes that would be introduced by running `puffy puppet\n      generate` with the current \"network\" specification file.\n    DESCRIPTION\n\n    param('network')\n\n    run do |opts, args|\n      parser = cli.load_network(args[:network])\n      puppet = Puffy::Puppet.new(opts[:output], parser)\n      puppet.diff\n    end\n  end\n\n  puppet.define_command do\n    name    'generate'\n    usage   'generate [options] <network>'\n    summary 'Generate network firewall rules according to network specification'\n\n    description <<~DESCRIPTION\n      Generate a tree of configuration files suitable for all supported\n      firewalls for all the nodes described in the \"network\" specification\n      file.\n    DESCRIPTION\n\n    param('network')\n\n    run do |opts, args|\n      parser = cli.load_network(args[:network])\n      puppet = Puffy::Puppet.new(opts[:output], parser)\n      puppet.save\n    end\n  end\n\n  help_command = Cri::Command.new_basic_help.modify do\n    summary 'Show help for a command'\n  end\n\n  @main.add_command(help_command)\nend\n"

Instance Method Details

#execute(argv) ⇒ Object 



128
129
130
 
# File 'lib/puffy/cli.rb', line 128

def execute(argv)
  @main.run(argv)
end

#load_network(filename) ⇒ Object 



122
123
124
125
126
 
# File 'lib/puffy/cli.rb', line 122

def load_network(filename)
  parser = Puffy::Parser.new
  parser.parse_file(filename)
  parser
end