update travis jobs: test on cosmic, run make lint

.travis.yml

@@ -1,10 +1,12 @@
 sudo: required
 
 env:
-  - IMAGE=ubuntu:artful
-  - IMAGE=ubuntu:bionic
+  - IMAGE=ubuntu-daily:bionic SCRIPT="make lint"
+  - IMAGE=ubuntu-daily:artful SCRIPT=./scripts/runtests.sh
+  - IMAGE=ubuntu-daily:bionic SCRIPT=./scripts/runtests.sh
+  - IMAGE=ubuntu-daily:cosmic SCRIPT=./scripts/runtests.sh
 
 language: bash
 
 script:
-  - sudo ./scripts/test-in-lxd.sh $IMAGE
+  - sudo ./scripts/test-in-lxd.sh "$IMAGE" "$SCRIPT"

Makefile

@@ -20,7 +20,7 @@ all: dryrun
 install_deps:
 	sudo apt-get install -y python3-urwid python3-pyudev python3-nose python3-flake8 \
 		python3-yaml python3-coverage python3-dev pkg-config libnl-genl-3-dev \
-		libnl-route-3-dev python3-attr python3-distutils-extra
+		libnl-route-3-dev python3-attr python3-distutils-extra pep8
 
 
 i18n:

scripts/installdeps.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -eux
+apt-get update
+apt-get -y dist-upgrade
+apt-get install -y --no-install-recommends libnl-3-dev libnl-genl-3-dev libnl-route-3-dev libsystemd-dev python3-distutils-extra pkg-config python3.5 python3-pip git lsb-release python3-setuptools gcc python3-dev python3-wheel curtin pep8 python3-pyflakes
+pip3 install -r requirements.txt
+python3 setup.py build

scripts/runtests.sh

@@ -1,11 +1,4 @@
 #!/bin/bash
-set -eux
-apt-get update
-apt-get -y dist-upgrade
-apt-get install -y --no-install-recommends libnl-3-dev libnl-genl-3-dev libnl-route-3-dev libsystemd-dev python3-distutils-extra pkg-config python3.5 python3-pip git lsb-release python3-setuptools gcc python3-dev python3-wheel curtin
-pip3 install -r requirements.txt
-python3 setup.py build
-
 python3 -m unittest discover
 # The --foreground is important to avoid subiquity getting SIGTTOU-ed.
 timeout --foreground 60 sh -c 'LANG=C.UTF-8 PYTHONPATH=. python3 bin/subiquity-tui --answers examples/answers.yaml --dry-run --machine-config examples/mwhudson.json'

scripts/test-in-lxd.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 set -eux
 IMAGE=$1
+SCRIPT=$2
 
 apt-get -qq update
 apt -t trusty-backports install -y lxd
@@ -42,4 +43,4 @@ then
     done
 fi
 
-lxc exec tester -- sh -c "cd /subiquity && ./scripts/runtests.sh"
+lxc exec tester -- sh -c "cd /subiquity && ./scripts/installdeps.sh && $SCRIPT"