Replace URI.escape() with ERB::Util.url_encode()

URI.escape() method has been removed in ruby 3 and
the newly added Puppet::Util.rfc2396_escape()[1]
has not been released yet.

[1] 41dcae71c7

Closes-Bug: #1928685
Change-Id: I001d579a1b126fc8254f071ddbecda5cc6de7231

lib/puppet/functions/os_database_connection.rb

@@ -1,6 +1,6 @@
 Puppet::Functions.create_function(:os_database_connection) do
   def os_database_connection(*args)
-    require 'uri'
+    require 'erb'
 
     if (args.size != 1) then
       raise(Puppet::ParseError, "os_database_connection(): Wrong number of arguments " +
@@ -44,9 +44,9 @@ Puppet::Functions.create_function(:os_database_connection) do
     end
 
     if v.include?('username') and (v['username'] != :undef) and (v['username'].to_s != '')
-      parts[:userinfo] = URI.escape(v['username'])
+      parts[:userinfo] = ERB::Util.url_encode(v['username'])
       if v.include?('password') and (v['password'] != :undef) and (v['password'].to_s != '')
-        parts[:userinfo] += ":#{URI.escape(v['password'])}"
+        parts[:userinfo] += ":#{ERB::Util.url_encode(v['password'])}"
       end
     end
 

lib/puppet/functions/os_transport_url.rb

@@ -80,7 +80,7 @@ Puppet::Functions.create_function(:os_transport_url) do
   end
 
   def os_transport_url(*args)
-    require 'uri'
+    require 'erb'
 
     unless args.size == 1
       raise(ArgumentError, 'os_transport_url(): Wrong number of arguments')
@@ -130,9 +130,9 @@ Puppet::Functions.create_function(:os_transport_url) do
     parts[:transport] = v['transport']
 
     if v.include?('username') and (v['username'] != :undef) and (v['username'].to_s != '')
-      parts[:userinfo] = URI.escape(v['username'])
+      parts[:userinfo] = ERB::Util.url_encode(v['username'])
       if v.include?('password') and (v['password'] != :undef) and (v['password'].to_s != '')
-        parts[:userinfo] += ":#{URI.escape(v['password'])}"
+        parts[:userinfo] += ":#{ERB::Util.url_encode(v['password'])}"
       end
     end