[libvirt] [PATCH 3/3] travis: Add CentOS 7 build

[Andrea Bolognani]

Now that we use pre-built Docker images, it's very easy
to extend our test matrix; adding CentOS 7 is a good start.

Signed-off-by: Andrea Bolognani <abologna at redhat.com>
---
 .travis.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 1b0d1e824b..37fa1ccf8c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,11 @@ matrix:
       env:
         - IMAGE="ubuntu-18"
         - DISTCHECK_CONFIGURE_FLAGS="--with-init-script=systemd"
+    - services:
+        - docker
+      env:
+        - IMAGE="centos-7"
+        - DISTCHECK_CONFIGURE_FLAGS="--with-init-script=upstart"
     - compiler: clang
       language: c
       os: osx
-- 
2.17.1