chore: update dependencies

Update dependencies & Update to Ruby 2.6

.rubocop.yml

@@ -2,7 +2,7 @@
 ## Version 2.2
 
 AllCops:
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.6
 
 Style/Alias:
   Enabled: false

.travis.yml

@@ -3,6 +3,6 @@ language: ruby
 cache: bundler
 
 rvm:
-  - 2.5
+  - 2.6
 
 script: bundle exec rake spec

Gemfile

@@ -2,19 +2,19 @@
 
 source "https://rubygems.org"
 
-ruby "~> 2.5.0"
+ruby "~> 2.6"
 
-gem "dotenv", "~> 2.5"
+gem "dotenv", "~> 2.7"
 gem "logstash-logger", "~> 0.26"
-gem "puma", "~> 3.12"
+gem "puma", "~> 4.1"
 gem "rack", "~> 2.0"
 gem "require_all", "~> 2.0"
 
 group :development, :test do
-  gem 'coveralls', "~> 0.8", require: false
+  gem "coveralls", "~> 0.8", require: false
   gem "foreman", "~> 0.85"
-  gem "itamae", "~> 1.9"
-  gem "pry", "~> 0.11"
+  gem "itamae", "~> 1.10"
+  gem "pry", "~> 0.12"
   gem "rack-test", "~> 1.1"
   gem "rake", "~> 12.3"
   gem "rspec", "~> 3.8"

Gemfile.lock

@@ -11,7 +11,7 @@ GEM
       tins (~> 1.6)
     diff-lcs (1.3)
     docile (1.3.1)
-    dotenv (2.5.0)
+    dotenv (2.7.5)
     foreman (0.85.0)
       thor (~> 0.19.1)
     hashie (3.6.0)
@@ -30,10 +30,12 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.1.0)
     net-telnet (0.1.1)
+    nio4r (2.5.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    puma (3.12.0)
+    puma (4.1.0)
+      nio4r (~> 2.0)
     rack (2.0.6)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -76,12 +78,12 @@ PLATFORMS
 
 DEPENDENCIES
   coveralls (~> 0.8)
-  dotenv (~> 2.5)
+  dotenv (~> 2.7)
   foreman (~> 0.85)
-  itamae (~> 1.9)
+  itamae (~> 1.10)
   logstash-logger (~> 0.26)
-  pry (~> 0.11)
-  puma (~> 3.12)
+  pry (~> 0.12)
+  puma (~> 4.1)
   rack (~> 2.0)
   rack-test (~> 1.1)
   rake (~> 12.3)
@@ -90,7 +92,7 @@ DEPENDENCIES
   shotgun (~> 0.9)
 
 RUBY VERSION
-   ruby 2.5.1p57
+   ruby 2.6.1p33
 
 BUNDLED WITH
    1.17.3

README.md

@@ -16,7 +16,7 @@ A web-based low-interaction honeypot build on [Rack](https://github.com/rack/rac
 
 ## Supported
 
-- Ubuntu 16.04 LTS and Ruby 2.5.
+- Ubuntu 16.04 LTS and Ruby 2.6.
 
 ## Installation
 

cookbooks/sleep_warm/default.rb

@@ -1,23 +1,25 @@
 # frozen_string_literal: true
 
-# install Ruby 2.5
+# install Ruby 2.6
 "git build-essential".split.each { |name| package name }
 
 execute "yes | sudo apt-add-repository ppa:brightbox/ruby-ng" do
   not_if "grep ^ /etc/apt/sources.list /etc/apt/sources.list.d/* | grep brightbox-ubuntu-ruby-ng"
 end
 
 execute "sudo apt-get update" do
-  not_if "dpkg -l ruby2.5"
+  not_if "dpkg -l ruby2.6"
 end
 
-"ruby2.5 ruby2.5-dev ruby-switch".split.each { |name| package name }
+"ruby2.6 ruby2.6-dev ruby-switch".split.each { |name| package name }
 
-execute "sudo ruby-switch --set ruby 2.5" do
-  not_if "ruby -v | grep 2.5"
+execute "sudo ruby-switch --set ruby 2.6" do
+  not_if "ruby -v | grep 2.6"
 end
 
-gem_package "bundler"
+execute "sudo gem install bundler -v 2.0" do
+  not_if "gem list | grep bundler | grep 2.0 "
+end
 
 # install sleep_warm
 user "sleep-warm" do