Separate jobs for agent, server, and UI unit tests

We have also moved to the "Eoan" Ubuntu distribution, and updated the
E2E tests to use the new style of headless browser setups.

Author: portante

.travis.yml

@@ -1,64 +1,74 @@
 jobs:
   include:
-    - stage: "Unit Tests"
-      name: "Unit Tests"
-      dist: xenial
+    - stage: "Agent Unit Tests"
+      name: "agent-unit-tests"
+      dist: eoan
       language: perl
       perl:
         - "5.28"
-        - "5.26"
-        - "5.24"
-        - "5.22"
-        - "5.20"
-        - "5.18"
-        - "5.16"
-        - "5.10"
       before_install:
         - sudo apt-get update
       install:
         - sudo apt-get install python python-pip bc libjson-perl libswitch-perl realpath
-        - sudo pip install configtools elasticsearch
+        - sudo pip install configtools
         - sudo apt-get install python-software-properties
         - sudo add-apt-repository ppa:fkrull/deadsnakes -y
-        - sudo apt-get update
+        - sudo apt-get update -y -qq
         - sudo apt-get install python3.6 --force-yes -y
-        - sudo wget -O /tmp/get-pip.py https://bootstrap.pypa.io/get-pip.py
-        - sudo python3.6 /tmp/get-pip.py
-        - sudo pip install 'configtools<0.4.0' elasticsearch sh boto3
         - sudo ln -sf python3.6 /usr/bin/python3
+      script: ./agent/run-unittests
+
+    - stage: "Server Unit Tests"
+      name: "server-unit-tests"
+      dist: eoan
+      language: python
+      python:
+        - "3.6"
+      env:
+        - PBENCH_UNITTEST_SERVER_MODE=serial
+      install:
+        - sudo apt-get install realpath
+        - pip install 'configtools<0.4.0' elasticsearch sh boto3
+      script: ./server/bin/unittests
+
+    - stage: "Dashboard Unit Tests"
+      name: "dashboard-unit-tests"
+      dist: eoan
+      language: node_js
+      node_js:
+        - "13"
+      sudo: required
+      before_install:
+        # Remove /usr/local/bin/yarn to avoid conflicts with installed version
+        - "sudo rm /usr/local/bin/yarn"
+      install:
         - sudo apt-key adv --fetch-keys http://dl.yarnpkg.com/debian/pubkey.gpg
         - sudo echo "deb http://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
-        - sudo apt-get update -qq
+        - sudo apt-get update -y -qq
         - sudo apt-get install -y -qq yarn
-      env:
-        - PBENCH_UNITTEST_SERVER_MODE=serial
-      script: ./run-unittests
-    - stage: "E2E Tests"
-      name: "E2E Tests"
+      script: ./web-server/v0.4/unittests
+
+    - stage: "Dashboard E2E Tests"
+      name: "dashboard-e2e-tests"
+      dist: eoan
       language: node_js
       node_js:
-        - "12"
-      dist: trusty
+        - "13"
       sudo: required
+      services:
+        # allow headless browser tests
+        - xvfb
       addons:
         chrome: stable
         hostname: localhost
-        apt:
-          packages:
-            # This is required to run new chrome on old trusty
-            - libnss3
-      # allow headful tests
       before_install:
         # Enable user namespace cloning
         - "sysctl kernel.unprivileged_userns_clone=1"
-        # Launch XVFB
-        - "export DISPLAY=:99.0"
-        - "sh -e /etc/init.d/xvfb start"
-        - google-chrome-stable --headless --disable-gpu --remote-debugging-port=9222 http://localhost &
+        # Remove /usr/local/bin/yarn to avoid conflicts with installed version
+        - "sudo rm /usr/local/bin/yarn"
       install:
         - sudo apt-key adv --fetch-keys http://dl.yarnpkg.com/debian/pubkey.gpg
         - sudo echo "deb http://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
-        - sudo apt-get update -qq
+        - sudo apt-get update -y -qq
         - sudo apt-get install -y -qq yarn
-      script: ./run-e2etests
-      
+      script: ./web-server/v0.4/e2etests