Class: ConvoxInstaller::Requirements

Inherits:
Object
  • Object
show all
Defined in:
lib/convox_installer/requirements.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Requirements

Returns a new instance of Requirements.



11
12
13
14
15
 
# File 'lib/convox_installer/requirements.rb', line 11

def initialize(options = {})
  @ecr_label = options[:ecr_label]
  @logger = Logger.new($stdout)
  logger.level = options[:log_level] || Logger::INFO
end

Instance Attribute Details

#ecr_label ⇒ Object

Returns the value of attribute ecr_label.



9
10
11
 
# File 'lib/convox_installer/requirements.rb', line 9

def ecr_label
  @ecr_label
end

#logger ⇒ Object

Returns the value of attribute logger.



9
10
11
 
# File 'lib/convox_installer/requirements.rb', line 9

def logger
  @logger
end

Instance Method Details

#command_present?(command) ⇒ Boolean

Returns:

  • (Boolean) 


72
73
74
75
76
77
78
79
80
 
# File 'lib/convox_installer/requirements.rb', line 72

def command_present?(command)
  path = find_command command
  if path.present?
    logger.debug "=> Found #{command}: #{path}"
    return true
  end
  logger.debug "=> Could not find #{command}!"
  false
end

#ensure_requirements! ⇒ Object 



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
 
# File 'lib/convox_installer/requirements.rb', line 17

def ensure_requirements!
  logger.debug 'Checking for required commands...'

  @missing_packages = []
  unless command_present? 'convox'
    @missing_packages << {
      name: 'convox',
      brew: 'convox',
      docs: 'https://docs.convox.com/introduction/installation'
    }
  end

  unless command_present? 'aws'
    @missing_packages << {
      name: 'aws',
      brew: 'awscli',
      docs: 'https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-install.html'
    }
  end

  unless command_present? 'terraform'
    @missing_packages << {
      name: 'terraform',
      brew: 'terraform',
      docs: 'https://learn.hashicorp.com/tutorials/terraform/install-cli'
    }
  end

  if @missing_packages.any?
    logger.error 'This script requires the convox and AWS CLI tools.'
    if OS.mac?
      logger.error 'Please run: brew install ' \
                   "#{@missing_packages.map { |p| p[:brew] }.join(' ')}"
    else
      logger.error 'Installation Instructions:'
      @missing_packages.each do |package|
        logger.error "* #{package[:name]}: #{package[:docs]}"
      end
    end
    quit!
  end

  client = Convox::Client.new
  if client.convox_3_cli?
    logger.debug "=> Convox CLI is version 3.x.x (#{client.cli_version_string})"
    return
  end

  logger.error 'This script requires Convox CLI version 3.x.x. ' \
               "Your Convox CLI version is: #{client.cli_version_string}"
  logger.error "Please run 'brew update convox' or follow the instructions " \
               'at https://docs.convox.com/getting-started/introduction'
  quit!
end

#find_command(command) ⇒ Object

Stubbed in tests



83
84
85
 
# File 'lib/convox_installer/requirements.rb', line 83

def find_command(command)
  `which #{command} 2>/dev/null`.chomp
end

#quit! ⇒ Object 



87
88
89
 
# File 'lib/convox_installer/requirements.rb', line 87

def quit!
  exit 1
end