$ JUJU_HOME=~/go/cloud-city ~/go/bin/juju-metadata validate-tools -e test-release-aws-trusty -m 1.24
WARNING unknown config field "tools-url"
Matching Tools Versions:
- 1.24.0-trusty-amd64
- 1.24.0-trusty-arm64
- 1.24.0-trusty-armhf
- 1.24.0-trusty-i386
- 1.24.0-trusty-ppc64el
- 1.24.1-trusty-amd64
- 1.24.1-trusty-arm64
- 1.24.1-trusty-armhf
- 1.24.1-trusty-i386
- 1.24.1-trusty-ppc64el
- 1.24.2-trusty-amd64
- 1.24.2-trusty-arm64
- 1.24.2-trusty-armhf
- 1.24.2-trusty-i386
- 1.24.2-trusty-ppc64el
- 1.24.3-trusty-amd64
- 1.24.3-trusty-arm64
- 1.24.3-trusty-armhf
- 1.24.3-trusty-i386
- 1.24.3-trusty-ppc64el
- 1.24.4-trusty-amd64
- 1.24.4-trusty-i386
- 1.24.4-trusty-ppc64el
Resolve Metadata:
  source: agent-metadata-url
  signed: false
  indexURL: http://juju-dist.s3.amazonaws.com/testing/tools/streams/v1/index2.json


$ JUJU_HOME=~/go/cloud-city ~/go/bin/juju-metadata validate-tools -e test-release-aws-trusty -m 1.25
WARNING unknown config field "tools-url"
ERROR no matching tools found for constraint &{LookupParams:{CloudSpec:{Region:us-east-1 Endpoint:https://ec2.us-east-1.amazonaws.com} Series:[trusty] Arches:[amd64 i386 armhf arm64 ppc64el] Stream:released} Version:0.0.0 MajorVersion:1 MinorVersion:25}
Resolve Metadata:
  source: default simplestreams
  signed: false
  indexURL: https://streams.canonical.com/juju/tools/streams/v1/index2.json
  mirrorURL: https://juju-dist.s3.amazonaws.com/tools