Merge pull request #105 from lemberg/issue/time-out-of-sync

Tune the guest additions time synchronization parameters
lemberg · Oct 18, 2019 · 3620d42 · 3620d42
2 parents cce738c + 34b7431
commit 3620d42
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diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,4 @@
+dist: xenial
 sudo: required
 
 language: python
@@ -28,7 +29,7 @@ before_install:
   - wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add -
   - wget -q https://www.virtualbox.org/download/oracle_vbox.asc -O- | sudo apt-key add -
   # Add Oracle VirtualBox repository
-  - sudo add-apt-repository "deb http://download.virtualbox.org/virtualbox/debian trusty contrib"
+  - sudo add-apt-repository "deb https://download.virtualbox.org/virtualbox/debian xenial contrib"
   # Update apt-get
   - sudo apt-get update -qq
   # Install Linux headers

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## Draft Environment 3.x.x
 
+- [CH-102](https://github.com/lemberg/draft-environment/issues/102) - Tune the guest additions time synchronization parameters (force virtual machine to sync time with host)
 - [GH-98](https://github.com/lemberg/draft-environment/issues/98) - Follow-up: lock Travis to Ansible 2.6.6
 
 ## Draft Environment 3.0.0-beta4, 2019-05-13

diff --git a/Vagrantfile b/Vagrantfile
@@ -146,6 +146,20 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
     # ubuntu-xenial-16.04-cloudimg-console.log after the start. Get rid of it.
     # Thanks to https://betacloud.io/get-rid-of-ubuntu-xenial-16-04-cloudimg-console-log/
     v.customize ["modifyvm", :id, "--uartmode1", "disconnected"]
+
+    # Tune the guest additions time synchronization parameters.
+    # See https://www.virtualbox.org/manual/ch09.html#changetimesync
+    #
+    # Sync time every 10 seconds.
+    v.customize ["guestproperty", "set", :id, "/VirtualBox/GuestAdd/VBoxService/--timesync-interval", 10000]
+    # Adjustments if drift > 100 ms.
+    v.customize ["guestproperty", "set", :id, "/VirtualBox/GuestAdd/VBoxService/--timesync-min-adjust", 100]
+    # Sync time on restore.
+    v.customize ["guestproperty", "set", :id, "/VirtualBox/GuestAdd/VBoxService/--timesync-set-on-restore", 1]
+    # Sync time on start.
+    v.customize ["guestproperty", "set", :id, "/VirtualBox/GuestAdd/VBoxService/--timesync-set-start", 1]
+    # At 1 second drift, the time will be set and not "smoothly" adjusted.
+    v.customize ["guestproperty", "set", :id, "/VirtualBox/GuestAdd/VBoxService/--timesync-set-threshold", 1000]
   end
 
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