automaticly get terraform version

lib/validate/static_utils.rb

@@ -1,16 +1,23 @@
 require 'colorize'
 require 'fileutils'
 
-# To use Terraform 0.12 syntax, set ENV variable TERRAFORM_VERSION to 0.12.*
+def get_version_tf
+   message = `terraform -version`
+   mlist = message.split(" ")
+   if mlist.size>2
+     return mlist[1]
+   else
+     raise "ERROR: Get Terraform Version failed!\n#{message}\n".red
+   end
+end
 
 def lint_tf
   # Do the linting on current working folder.
   print "INFO: Linting Terraform configurations...\n".yellow  
-  
-
-  if ENV['TERRAFORM_VERSION'].nil? || ENV['TERRAFORM_VERSION'].start_with?("0.11.")
+  tf_version = get_version_tf
+  if tf_version.start_with?("v0.11.")
     message = `terraform validate -check-variables=false 2>&1`
-  elsif ENV['TERRAFORM_VERSION'].start_with?("0.12.")
+  elsif tf_version.start_with?("v0.12.")
     success = system ("terraform init")
        if not success
          raise "ERROR: terraform init failed!\n".red
@@ -28,10 +35,11 @@ end
 
 def style_tf
   # Do the style checking on current working folder.
-  print "INFO: Styling Terraform configurations...\n".yellow  
-  if ENV['TERRAFORM_VERSION'].nil? || ENV['TERRAFORM_VERSION'].start_with?("0.11.")
+  print "INFO: Styling Terraform configurations...\n".yellow
+  tf_version = get_version_tf
+  if tf_version.start_with?("v0.11.")
     message = `terraform fmt -check=true 2>&1`
-  elsif ENV['TERRAFORM_VERSION'].start_with?("0.12.")
+  elsif tf_version.start_with?("v0.12.")
     message = `terraform fmt -check 2>&1`
   end
 
@@ -46,9 +54,10 @@ end
 def format_tf
   # Apply the canonical format and style on current working folder.
   print "INFO: Formatting Terraform configurations...\n".yellow
-  if ENV['TERRAFORM_VERSION'].nil? || ENV['TERRAFORM_VERSION'].start_with?("0.11.")
+  tf_version = get_version_tf
+  if tf_version.start_with?("v0.11.")
     message = `terraform fmt -diff=true 2>&1`
-  elsif ENV['TERRAFORM_VERSION'].start_with?("0.12.")
+  elsif tf_version.start_with?("v0.12.")
     message = `terraform fmt -diff 2>&1`
   end
 

terramodtest.gemspec

@@ -1,4 +1,4 @@
-version = "0.4.0"
+version = "0.5.0"
 
 Gem::Specification.new do |s|
   s.platform    = Gem::Platform::RUBY