Fix DNS guest resolving problem

icinga1x/Vagrantfile

@@ -24,6 +24,8 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.network :forwarded_port, guest: 8080, host: 8082, auto_correct: true #tomcat
   config.vm.provider "virtualbox" do |vb|
     vb.customize ["modifyvm", :id, "--memory", "1024"]
+    # Using the host's resolver as a DNS proxy in NAT mode
+    vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
   end
   config.vm.provision :puppet do |puppet|
     puppet.module_path = "modules"

icinga2x-cluster/Vagrantfile

@@ -60,6 +60,8 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
         v.customize ["modifyvm", :id, "--memory", "1024"]
         v.customize ["modifyvm", :id, "--cpus", "2"]
+        # Using the host's resolver as a DNS proxy in NAT mode
+        v.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
       end
 
       # provisioner

icinga2x-graylog/Vagrantfile

@@ -60,6 +60,8 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
         v.customize ["modifyvm", :id, "--memory", "1024"]
         v.customize ["modifyvm", :id, "--cpus", "2"]
+        # Using the host's resolver as a DNS proxy in NAT mode
+        v.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
       end
 
       # provisioner

icinga2x/Vagrantfile

@@ -58,6 +58,8 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
         v.customize ["modifyvm", :id, "--memory", "1024"]
         v.customize ["modifyvm", :id, "--cpus", "2"]
+        # Using the host's resolver as a DNS proxy in NAT mode
+        v.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
       end
 
       # provisioner

modules/graylog2/Vagrantfile

@@ -55,5 +55,7 @@ Vagrant.configure('2') do |config|
   config.vm.provider 'virtualbox' do |v|
     v.memory = 2048
     v.cpus = 2
+    # Using the host's resolver as a DNS proxy in NAT mode
+    v.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
   end
 end