# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
-#
+#
# 20 Sep 2016 -- Gerardo Garcia -- adapted from template
-#
+#
HERE=$(realpath $(dirname $0))
OSM_JENKINS=$(dirname $HERE)
. $OSM_JENKINS/common/all_funcs
-INFO "installing packages"
-apt update
+INFO "Installing packages"
+add-apt-repository -y ppa:juju/stable
+apt-get update
+apt-get install -y juju lxd squid-deb-proxy
+
+echo 'streams.canonical' > /etc/squid-deb-proxy/mirror-dstdomain.acl.d/20-juju-streams
+service squid-deb-proxy reload
+
+INFO "Configuring LXD"
+# ZFS doesn't work inside a nested container. ZFS should be configured in the host LXD.
lxd init --auto
lxd waitready
systemctl stop lxd-bridge
systemctl enable lxd-bridge
systemctl start lxd-bridge
-lxc image copy ubuntu:16.04 local: --alias ubuntu-xenial
-add-apt-repository ppa:juju/devel
-apt update
-apt install -y juju
-juju bootstrap juju localhost
+
+DEFAULT_INTERFACE=$(route -n | awk '$1~/^0.0.0.0/ {print $8}')
+DEFAULT_MTU=$( ip addr show $DEFAULT_INTERFACE | perl -ne 'if (/mtu\s(\d+)/) {print $1;}')
+
+INFO "Setting lxdbr0 MTU to $DEFAULT_MTU"
+
+# This sets the MTU of lxdbr0 on the host machine without the need to recycle
+# the interface or reboot the machine.
+ifconfig lxdbr0 mtu $DEFAULT_MTU
+
+# Setting the MTU in the default profile will be applied to every lxc container.
+# Existing containers will need to be restarted for the new MTU to take effect.
+# This will also persist the MTU change for the host's lxdbr0
+lxc profile device set default eth0 mtu $DEFAULT_MTU
+
+INFO "Pre-caching Ubuntu:16.04 image (this may take several minutes)..."
+
+# Setup a daily cron to update the cached image
+cp $HERE/update-lxd-image.sh /etc/cron.daily
+
+# Run it for the first time
+/etc/cron.daily/update-lxd-image.sh xenial
+
+INFO "Bootstrapping VCA"
+juju bootstrap localhost osm \
+--config default-series=xenial \
+--config enable-os-refresh-update=true \
+--config enable-os-upgrade=false \
+--config apt-http-proxy=http://10.44.127.1:8000
RC=0
INFO "done, RC=$RC"
exit $RC
-
-