BASH script replacement for tile-injector

inject-tasw.sh

#!/usr/bin/env bash
set -e
set -u
set -o pipefail

# Crack the tile open into the tasw directory
tasw_tiles=(./pas-windows-*.pivotal)
tasw_tile="${tasw_tiles=[0]}"
unzip "$tasw_tile" -d ./tasw

# Build the hydrator
pushd ./tasw/embed/windowsfs-release/src/code.cloudfoundry.org/hydrator
GOPATH="$(pwd)" go install code.cloudfoundry.org/hydrator/cmd/hydrate
popd

# Download all the image layers from Docker and Microsoft into the blobs directory as a tgz
# Note - the hydrator is hardcoded to use https://registry.hub.docker.com
pushd tasw/embed/windowsfs-release
if [ `uname` == "Linux" ]; then
  TAG="$(cat ./config/blobs.yml | grep 'windows2019fs/windows2016fs-' |  grep -oP '\d*\.\d*\.\d*')"
else
  TAG="$(cat ./config/blobs.yml | grep 'windows2019fs/windows2016fs-' |  grep -o '\d*\.\d*\.\d*')"
fi
./src/code.cloudfoundry.org/hydrator/bin/hydrate download -image cloudfoundry/windows2016fs -tag "$TAG" -outputDir ./blobs/windows2019fs

# Update the bosh blobstore to be local and not use S3
cat << EOF > ./config/final.yml
---
name: windows2019fs
blobstore:
  provider: local
  options:
    blobstore_path: /tmp/windowsfs
EOF

# Create a dev release
bosh create-release --force --tarball "../../releases/windows2019fs-$TAG.tgz"
popd

# Remove our working content so we don't bloat the tile
pushd ./tasw
rm -rf ./embed

# Add the windows2019fs release to the tile's list of releases
cat << EOF > /tmp/metadata-ops.yml
- type: replace
  path: /releases/-
  value: 
    file: windows2019fs-$TAG.tgz
    name: windows2019fs
    version: $TAG
EOF
bosh interpolate ./metadata/metadata.yml --ops-file /tmp/metadata-ops.yml > ./metadata/metadata-new.yml
mv -f ./metadata/metadata-new.yml ./metadata/metadata.yml

# Repackage the tile with rootfs fully hydrated
zip -r "../pas-windows-injected.pivotal" .
popd

# Cleanup
rm -rf ./tasw
rm /tmp/metadata-ops.yml