[PATCH 2/4] Create a basefile tarball and cache it for two days

[andrew]

From: Andrew Ruthven <p...@catalyst.net.nz>

---
 Makefile | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 2ccb011..9f4a6d7 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ help:
        @echo "  WHERE <DIST> is buster or stretch"
        @echo "    And <CLOUD> is azure, ec2, gce, openstack, vagrant"
 
-_image.raw:
+_image.raw: config_space/basefiles/$(UPPER_DIST).tar.gz
        @echo $(CLOUD) | egrep -q "$(VALID_CLOUDS)" || { \
                 echo "$(CLOUD) is an invalid. Valid clouds are 
$(VALID_CLOUDS)"; exit 1; }
        @echo $(DIST) | egrep -q "$(VALID_DISTS)" || { \
@@ -37,11 +37,19 @@ _image.raw:
                qemu-img convert -f raw -o subformat=fixed,force_size -O vpc \
                $(CLOUD)-$(DIST)-image.raw $(CLOUD)-$(DIST)-image.vhd; fi
 buster-image-%:
+       find config_space/basefiles -type f -atime +1 -print0 | xargs -0 -r rm
        ${MAKE} _image.raw CLOUD=$* DIST=buster
 
 stretch-image-%:
+       find config_space/basefiles -type f -atime +1 -print0 | xargs -0 -r rm
        ${MAKE} _image.raw CLOUD=$* DIST=stretch
 
+config_space/basefiles/$(UPPER_DIST).tar.gz:
+       $(eval DIR := $(shell mktemp -d))
+       sudo debootstrap $(DIST) $(DIR) http://deb.debian.org/debian
+       (cd $(DIR); sudo tar cfz $(PWD)/$@ *)
+       sudo chown $(USER) $@
+       rm -rf $(DIR)
 
 kvm-%:
        bin/launch_kvm.sh --id $*-$(shell date +%s) \
@@ -49,5 +57,5 @@ kvm-%:
                --img-url $(BUILDER_IMG)
 
 cleanall:
-       rm -rf *.raw *vhd
+       rm -rf *.raw *vhd config_space/basefiles/*
 
-- 
2.15.0.rc1