sudo: false
language: go
go:
  - 1.6.x
  - 1.7.x
  - 1.8.x
  - master

install:
  - go get github.com/prometheus/client_golang/prometheus
  - go get google.golang.org/grpc
  - go get golang.org/x/net/context
  - go get github.com/stretchr/testify
script:
 - make test 

after_success:
  - bash <(curl -s https://codecov.io/bash)

sudo: false
language: go
# * github.com/grpc/grpc-go still supports go1.6
#   - When we drop support for go1.6 we can remove golang.org/x/net/context
#     below as it is part of the Go std library since go1.7
# * github.com/prometheus/client_golang already requires at least go1.7 since
#   September 2017
go:
  - 1.6.x
  - 1.7.x
  - 1.8.x
  - 1.9.x
  - 1.10.x
  - master

install:
  - go get github.com/prometheus/client_golang/prometheus
  - go get google.golang.org/grpc
  - go get golang.org/x/net/context
  - go get github.com/stretchr/testify
script:
 - make test 

after_success:
  - bash <(curl -s https://codecov.io/bash)

Test go1.9 and go1.10, too
Travis: Test go1.9 and go1.10, too

Add some comments regarding old go versions.
