$ juju metadata validate-tools -d ~/juju-metadata/tools/
ERROR no matching tools found for constraint &{LookupParams:{CloudSpec:{Region: Endpoint:} Series:[] Arches:[amd64 i386 armhf arm64 ppc64el s390x] Stream:released} Version:2.0-beta8 MajorVersion:0 MinorVersion:0}
Resolve Metadata:
  source: local source
  signed: false
  indexURL: file:///home/bruno/juju-metadata/tools//tools/streams/v1/index2.json