Remove 'config' from ssh.defaults, and instead setup in '.connect'

plugins/communicators/ssh/communicator.rb

@@ -376,7 +376,7 @@ module VagrantPlugins
         # Build the options we'll use to initiate the connection via Net::SSH
         common_connect_opts = {
           auth_methods:          auth_methods,
-          config:                ssh_info[:config],
+          config:                false,
           forward_agent:         ssh_info[:forward_agent],
           send_env:              ssh_info[:forward_env],
           keys_only:             ssh_info[:keys_only],
@@ -414,6 +414,10 @@ module VagrantPlugins
                   connect_opts[:proxy] = Net::SSH::Proxy::Command.new(ssh_info[:proxy_command])
                 end
 
+                if ssh_info[:config]
+                  connect_opts[:config] = ssh_info[:config]
+                end
+
                 @logger.info("Attempting to connect to SSH...")
                 @logger.info("  - Host: #{ssh_info[:host]}")
                 @logger.info("  - Port: #{ssh_info[:port]}")

plugins/kernel_v2/config/ssh.rb

@@ -5,7 +5,6 @@ require_relative "ssh_connect"
 module VagrantPlugins
   module Kernel_V2
     class SSHConfig < SSHConnectConfig
-      attr_accessor :config
       attr_accessor :forward_agent
       attr_accessor :forward_x11
       attr_accessor :forward_env
@@ -23,7 +22,6 @@ module VagrantPlugins
       def initialize
         super
 
-        @config                  = UNSET_VALUE
         @forward_agent           = UNSET_VALUE
         @forward_x11             = UNSET_VALUE
         @forward_env             = UNSET_VALUE
@@ -48,7 +46,6 @@ module VagrantPlugins
       def finalize!
         super
 
-        @config = false if @config == UNSET_VALUE
         @forward_agent = false if @forward_agent == UNSET_VALUE
         @forward_x11   = false if @forward_x11 == UNSET_VALUE
         @forward_env   = false if @forward_env == UNSET_VALUE

test/unit/plugins/communicators/ssh/communicator_test.rb

@@ -748,6 +748,28 @@ describe VagrantPlugins::CommunicatorSSH::Communicator do
         communicator.send(:connect)
       end
     end
+
+    context "with config configured" do
+
+      before do
+        expect(machine).to receive(:ssh_info).and_return(
+          host: '127.0.0.1',
+          port: 2222,
+          config: './ssh_config',
+          keys_only: true,
+          verify_host_key: false
+        )
+      end
+
+      it "has password defined" do
+        expect(Net::SSH).to receive(:start).with(
+          anything, anything, hash_including(
+            config: './ssh_config'
+          )
+        ).and_return(true)
+        communicator.send(:connect)
+      end
+    end
   end
 
   describe ".generate_environment_export" do

test/unit/plugins/kernel_v2/config/ssh_test.rb

@@ -8,7 +8,6 @@ describe VagrantPlugins::Kernel_V2::SSHConfig do
   describe "#default" do
     it "defaults to vagrant username" do
       subject.finalize!
-      expect(subject.default.config).to be_falsey
       expect(subject.default.port).to eq(22)
       expect(subject.default.username).to eq("vagrant")
     end