Initial snapshot support. Building now requires KVM too

templates/take_snapshot.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -ex
+
+docker rm -f emulator || true
+
+docker run -d -t --name emulator --rm --privileged -v /dev/kvm:/dev/kvm -e ANDROID_ARCH="x86" agoda/docker-emulator-{{ platform }} bash
+
+docker cp snapshot.sh emulator:/snapshot.sh
+docker cp snapshot.expect emulator:/snapshot.expect
+docker exec -t emulator bash -c "bash /snapshot.sh; exit"
+echo "Creating new image"
+docker commit -m "Snapshot!" --change "CMD [\"/start.sh\"]" emulator agoda/docker-emulator-{{ platform }}-snapshot
+docker rm -f emulator