Class: Jarbs::CLI

Inherits:
Object
  • Object
show all
Includes:
Commander::Methods
Defined in:
lib/jarbs.rb

Constant Summary collapse

GLOBAL_DEFAULTS = 
{ env: 'dev' }

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CLI

Returns a new instance of CLI.



19
20
21
22
23
24
25
26
27
28
 
# File 'lib/jarbs.rb', line 19

def initialize
  @config = Config.new

  if @config.get('crashes.report', from_global: true)
    CrashReporter.configure do |c|
      c.engines = [CrashReporter::GithubIssues.new('articulate/jarbs', @config.get('github.token', from_global: true))]
      c.version = Jarbs::VERSION
    end
  end
end

Instance Method Details

#run ⇒ Object 



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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
 
# File 'lib/jarbs.rb', line 30

def run
  program :version, Jarbs::VERSION
  program :description, 'Lambda Tooling'

  global_option('-e', '--env [dev]', String, 'Set deployment environment')
  global_option('-d', '--debug', 'Enable debug mode') { $debug = true }
  global_option('-p', '--profile PROFILE', String, 'AWS credential profile to use') do |profile|
    @config.set('aws.profile', profile)
  end

  command :config do |c|
    c.summary = 'Manage jarbs configuration'
    c.syntax = 'jarbs config [options]'
    c.option '-g', '--global', String, "Use global config"
    c.action do |args, options|
      method = args.shift

      if method == 'set'
        args.each do |settings|
          k, v = settings.split("=")

          @config.set(k, v, from_global: options.global)
        end
      elsif method == 'get'
        @config.get(args.first, from_global: options.global)
      else
        @config.print(for_global: options.global)
      end
    end
  end

  command :init do |c|
    c.syntax = 'jarbs init'
    c.summary = 'Setup lambda project in an existing directory'
    c.description = <<-DESC
Git ignores jarbs project definition file so on checkout of an existing lambda function.
When checking out a project from source control or transitioning a legacy lambda codebase to use
with jarbs, you'll need to run this command to setup the initial config and run additional checks
for compatability.
    DESC
    c.action do |args, options|
      skip_setup = File.exists? '.jarbs'
      abort('Lambda project already initialized.') if skip_setup

      unless Dir.exists? 'lambdas'
        say_warning("This doesn't look like a jarbs-enabled project directory (missing lambdas subdir).")
        skip_setup = !agree('Continue (y/n)? ')
      end

      Config.touch unless skip_setup
    end
  end

  command :new do |c|
    c.syntax = 'jarbs new [options] name'
    c.summary = "Generate a new lambda function or project skeleton"
    c.option "-f", "--force", "Force overwrite of existing function definition"
    c.action do |args, options|
      name = args.shift || abort("Must provide a lambda name")
      options.default global_defaults

      lambda = Lambda.new(name, options)

      project_exists?(name, remove: options.force)
      lambda_exists?(lambda, remove: options.force)

      ProjectGenerator.new(name).generate unless jarbs_project?
      lambda.generate
    end
  end

  command :deploy do |c|
    c.syntax = 'jarbs deploy [options] directory'
    c.summary = 'Deploy a lambda function to AWS'
    c.option '--role [STRING]', String, 'IAM role for Lambda execution'
    c.option '--dry', 'Dry run (do not interact with AWS)'
    c.action do |args, options|
      name = args.shift || abort('Name argument required')
      options.default global_defaults

      lambda = Lambda.new(name, options)
      abort("Lambda '#{name}' does not exist.") unless lambda.exists?

      lambda.prepare

      if options.dry
        say_warning('Dry run: Did not deploy to lambda.')
      else
        lambda.deploy
      end
    end
  end

  command :rm do |c|
    c.syntax = 'jarbs rm NAME [NAME...]'
    c.summary = "Delete a lambda function"
    c.action do |args, options|
      abort('Name argument required') if args.empty?
      options.default global_defaults

      begin
        args.each do |fn|
          begin
            Lambda.new(fn, options).delete
          rescue Aws::Lambda::Errors::ResourceNotFoundException => e
            say_error "Function \"#{fn}\" does not exists. Ignoring."
            next
          end
        end
      end
    end
  end

  command :ls do |c|
    c.syntax = 'jarbs ls'
    c.summary = "List lambda functions in this project"
    c.action do |args, options|
      lambdas = Dir.glob("lambdas/*").map {|x| Lambda.new(File.basename(x), options) }

      lambdas.each do |l|
        say "#{l.function.name}: #{l.function.description}"
      end
    end
  end

  command :invoke do |c|
    c.syntax = 'jarbs run NAME [payload]'
    c.summary = 'Invoke the lambda function and prints the cloudwatch logs.'
    c.option '--file FILE', 'JSON file to use as the payload (ignored if payload is specified in the command).'
    c.action do |args, options|
      name = args.shift || abort('Name argument required')
      payload = args.shift

      if payload.nil? && File.exists?(options.file)
        payload = File.read(options.file)
      end

      options.default global_defaults

      lambda = Lambda.new(name, options)
      lambda.invoke(payload)
    end
  end

  run!
end