CXX-1439 Get travis green again

Author: acmorrow

.travis.yml

@@ -1,3 +1,6 @@
+dist: trusty
+sudo: required
+
 language: cpp
 
 compiler:
@@ -6,8 +9,8 @@ compiler:
 
 env:
     global:
-        - MONGO_REPO="http://repo.mongodb.com/apt/ubuntu"
-        - REPO_TYPE="precise/mongodb-enterprise/3.2 multiverse"
+        - MONGO_REPO="[ arch=amd64 ] http://repo.mongodb.com/apt/ubuntu"
+        - REPO_TYPE="trusty/mongodb-enterprise/3.4 multiverse"
         - SOURCES_LOC="/etc/apt/sources.list.d/mongodb-enterprise.list"
         - KEY_SERVER="hkp://keyserver.ubuntu.com:80"
         - CMAKE_VERSION="cmake-3.2.3-Linux-x86_64"
@@ -21,20 +24,16 @@ env:
 before_install:
     # Add the modern toolchain repositories (llvm repo depends on ubunut-toolchain-r + gcc)
     - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
-    - sudo add-apt-repository -y 'deb http://llvm.org/apt/precise/ llvm-toolchain-precise-3.6 main'
+    - sudo add-apt-repository -y 'deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.6 main'
     - wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key | sudo apt-key add -
 
     # Get the latest CMake
     - curl -O https://cmake.org/files/v3.2/${CMAKE_VERSION}.tar.gz
 
     # MongoDB Enterprise Edition, latest stable version
-    - sudo apt-key adv --keyserver ${KEY_SERVER} --recv 7F0CEB10
-    - sudo apt-key adv --keyserver ${KEY_SERVER} --recv D68FA50FEA312927
+    - sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6
     - echo "deb ${MONGO_REPO} ${REPO_TYPE}" | sudo tee ${SOURCES_LOC}
 
-    # CMake
-    - sudo add-apt-repository --yes ppa:kalakris/cmake
-
     # Update all the repositories
     - sudo apt-get update -qq
 
@@ -51,22 +50,27 @@ install:
     # CMake
     - tar -zxvf ${CMAKE_VERSION}.tar.gz -C build
 
+    # Blow away any prior mongodb state so we don't have prior db state that
+    # that doesn't have the right featureCompatibilityVersion
+    - sudo dpkg --purge mongodb-org
+    - sudo rm -rf /var/lib/mongodb
+
     # Install MongoDB Enterprise
     - sudo apt-get install mongodb-enterprise-server
 
-    # Install CMake (Versions lower than 2.8.8 do not support object libraries)
-    - sudo apt-get install cmake
-
     # Install Mongo C Driver
     - pushd mongo-c-driver
 
-    # TODO: Update this to our real minimum for the C++11 driver 3.1 release, once known.
+    # Check out the the minimum C driver version for this branch
     - git checkout 1.5.0
 
     - ./autogen.sh --enable-tests=no --enable-examples=no --with-libbson=bundled; make; sudo make install
 
     - popd
 
+    # Start up the server. We don't care to terminate it, since we are in an ephemeral VM.
+    - sudo service mongod start
+
 before_script:
     - $CC --version
     - $CXX --version