#!/bin/bash

set -ex

# Dependencies. TODO: move these into a testing harness
command -v multipass > /dev/null || (echo "Please install multipass."; exit 1);
command -v petname > /dev/null || (echo "Please install petname."; exit 1);
if [ ! -f microstack_rocky_amd64.snap ]; then
   echo "microstack_rocky_amd64.snap not found."
   echo "Please run snapcraft before executing the tests."
   exit 1
fi

MACHINE=$(petname)
DISTRO=18.04

# Launch a machine and copy the snap to it.
multipass launch --cpus 2 --mem 16G $DISTRO --name $MACHINE
multipass copy-files microstack_rocky_amd64.snap $MACHINE:
multipass exec $MACHINE -- \
          sudo snap install --classic --dangerous microstack*.snap

# Run microstack.launch
multipass exec $MACHINE -- /snap/bin/microstack.launch breakfast

# Verify that endpoints are setup correctly
# List of endpoints should contain 10.20.20.1
if ! multipass exec $MACHINE -- /snap/bin/microstack.openstack endpoint list | grep "10.20.20.1"; then
    echo "Endpoints are not set to 10.20.20.1!";
    exit 1;
fi
# List of endpoints should not contain localhost
if multipass exec $MACHINE -- /snap/bin/microstack.openstack endpoint list | grep "localhost"; then
    echo "Endpoints are not set to 10.20.20.1!";
    exit 1;
fi


# Verify that microstack.launch completed
IP=$(multipass exec $MACHINE -- /snap/bin/microstack.openstack server list | grep breakfast | cut -d" " -f9)
echo "Waiting for ping..."
PINGS=1
MAX_PINGS=20
until multipass exec $MACHINE -- ping -c 1 $IP &>/dev/null; do
    PINGS=$(($PINGS + 1));
    if test $PINGS -gt $MAX_PINGS; then
        echo "Unable to ping machine!";
        exit 1;
    fi
done;

ATTEMPTS=1
MAX_ATTEMPTS=20
until multipass exec $MACHINE -- \
          ssh -oStrictHostKeyChecking=no -i .ssh/id_microstack cirros@$IP -- \
          ping -c 1 91.189.94.250; do
    ATTEMPTS=$(($ATTEMPTS + 1));
    if test $ATTEMPTS -gt $MAX_ATTEMPTS; then
        echo "Unable to access Internet from machine!";
        exit 1;
    fi
    sleep 5
done;

# Cleanup
unset IP
echo "Completed tests. Tearing down $MACHINE."
multipass stop $MACHINE
multipass delete $MACHINE
multipass purge  # This is a little bit rude to do, but we assume that
                 # we can beat up on the test machine a bit.