Merge pull request #290 from CanonicalLtd/mwhudson/test-in-lxd

move to running tests in lxd rather than docker

.travis.yml

@@ -1,27 +1,11 @@
 sudo: required
 
-services:
-  - docker
-
 env:
   - IMAGE=ubuntu:xenial
   - IMAGE=ubuntu:artful
-  - IMAGE=ubuntu:bionic
+  - IMAGE=ubuntu-daily:bionic
 
 language: bash
 
-# Travis still doesn't support anything newer than trusty so we pull
-# docker tricks to run things on Xenial. Maybe we should run things on
-# bionic or whatever as well but this is a start...
-
-before_install:
-  - docker pull $IMAGE
-  - cid=`docker run --tty --detach --workdir /subiquity -v $(pwd):/subiquity $IMAGE`
-  - docker exec $cid apt-get update
-  - docker exec $cid apt-get -y dist-upgrade
-  - docker exec $cid 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
-  - docker exec $cid pip3 install -r requirements.txt
-  - docker exec $cid python3 setup.py build
 script:
-  - docker exec $cid python3 -m unittest discover
+  - sudo ./scripts/test-in-lxd.sh $IMAGE
-  - docker exec $cid timeout 60 sh -c 'LANG=C.UTF-8 PYTHONPATH=. python3 bin/subiquity-tui --dry-run --answers examples/answers.yaml --dry-run --machine-config examples/mwhudson.json'

scripts/runtests.sh

@@ -0,0 +1,11 @@
+#!/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

@@ -0,0 +1,45 @@
+#!/bin/bash
+set -eux
+IMAGE=$1
+
+apt-get -qq update
+apt -t trusty-backports install -y lxd
+
+sed -i 's/LXD_IPV4_ADDR=".*"/LXD_IPV4_ADDR="192.168.123.1"/' /etc/default/lxd-bridge
+sed -i 's/LXD_IPV4_NETMASK=".*"/LXD_IPV4_NETMASK="255.255.255.0"/' /etc/default/lxd-bridge
+sed -i 's/LXD_IPV4_NETWORK=".*"/LXD_IPV4_NETWORK="192.168.123.0\/24"/' /etc/default/lxd-bridge
+sed -i 's/LXD_IPV4_DHCP_RANGE=".*"/LXD_IPV4_DHCP_RANGE="192.168.123.2,192.168.123.12"/' /etc/default/lxd-bridge
+sed -i 's/LXD_IPV4_DHCP_MAX=".*"/LXD_IPV4_DHCP_MAX="10"/' /etc/default/lxd-bridge
+sed -i 's/LXD_IPV6_PROXY=".*"/LXD_IPV6_PROXY="false"/' /etc/default/lxd-bridge
+
+lxd init --auto
+service lxd restart
+
+lxc launch $IMAGE tester -c security.privileged=true
+lxc config device add tester code disk source=`pwd` path=/subiquity
+
+attempts=0
+while ! lxc file pull tester/etc/resolv.conf - 2> /dev/null | grep -q ^nameserver; do
+    sleep 1
+    attempts=$((attempts+1))
+    if [ $attempts -gt 30 ]; then
+        lxc file pull tester/etc/resolv.conf
+        lxc exec tester -- ps aux
+        echo "Network failed to come up after 30 seconds"
+        exit 1
+    fi
+done
+if ! lxc file pull tester/etc/resolv.conf - 2> /dev/null | grep ^nameserver | grep -qv 127.0.0.53
+then
+    echo "systemd-resolved"
+    while ! lxc file pull tester/run/systemd/resolve/resolv.conf - 2> /dev/null | grep -v fe80 | grep -q ^nameserver; do
+        sleep 1
+        attempts=$((attempts+1))
+        if [ $attempts -gt 30 ]; then
+            echo "Network failed to come up after 30 seconds"
+            exit 1
+        fi
+    done
+fi
+
+lxc exec tester -- sh -c "cd /subiquity && ./scripts/runtests.sh"