Px1gsgxQ

1require 'json'
2
3class Creds
4  attr_reader :access_key_id,
5              :secret_access_key,
6              :session_token,
7              :expiration,
8              :region
9  
10  def initialize
11    @creds_hash        = creds_hash
12    @access_key_id     = key_id
13    @secret_access_key = secret_key
14    @session_token     = token
15    @expiration        = expires
16    @region            = reg
17  end
18  
19  private
20  
21  def api_call
22    `aws sts assume-role --role-arn "arn:aws:iam::242906888793:role/AWS_Sandbox" --role-session-name AWS_Sandbox`
23  end
24  
25  def creds_hash
26    JSON.parse(api_call).to_hash
27  rescue StandardError => e
28    puts "Failed to get token. Error is: #{e}"
29  end
30  
31  def creds
32    @creds_hash['Credentials']
33  end
34  
35  def key_id
36    creds['AccessKeyId']
37  end
38  
39  def secret_key
40    creds['SecretAccessKey']
41  end
42  
43  def token
44    creds['SessionToken']
45  end
46  
47  def expires
48    creds['Expiration']
49  end
50  
51  def reg
52    'us-east-2'
53  end
54end
55
56class Write
57  def initialize(file: 'terraform.tfvars')
58    @creds          = Creds.new
59    @where_to_write = file
60  end
61  
62  def run
63    File.open(@where_to_write, 'w') do |file|
64      file.write("access_key = #{@creds.access_key_id}\n")
65      file.write("secret_key = #{@creds.secret_access_key}\n")
66      file.write("token      = #{@creds.session_token}\n")
67      file.write("reg        = #{@creds.region}")
68    end
69  end
70end
71
72Write.new.run