go panic when converting hygieia docker-compose

[raffaelespazzoli]

the file can be found here:
https://raw.githubusercontent.com/capitalone/Hygieia/master/docker-compose.yml

[sebgoa]

@raffaelespazzoli can you copy the error you are getting in this issue.
thanks

[ngtuna]

@raffaelespazzoli : The panic comes from libcompose parsing function.

$ kompose --file hygieia.yml convert 
WARN[0000] Unsupported key volume_driver - ignoring     
panic: runtime error: index out of range

goroutine 1 [running]:
panic(0x15b1de0, 0xc82000e170)
    /usr/local/go/src/runtime/panic.go:481 +0x3e6
github.com/skippbox/kompose/vendor/github.com/docker/libcompose/yaml.toMap(0xc8203a6720, 0x3, 0x3, 0x1814c78, 0x1, 0x40)
    /home/tuna/workspace/gocode-kompose/src/github.com/skippbox/kompose/vendor/github.com/docker/libcompose/yaml/types_yaml.go:223 +0x187
github.com/skippbox/kompose/vendor/github.com/docker/libcompose/yaml.(*MaporEqualSlice).ToMap(0xc8201b92d0, 0xc8201b9180)
    /home/tuna/workspace/gocode-kompose/src/github.com/skippbox/kompose/vendor/github.com/docker/libcompose/yaml/types_yaml.go:126 +0x4b
github.com/skippbox/kompose/pkg/loader/compose.(*Compose).LoadFile(0x24e87f0, 0xc8204cb150, 0xb, 0x0)

@sebgoa I also tested on HEAD's libcompose, it worked fine. It's another sample motivating us to upgrade libcompose. Like this one: #149

[ngtuna]

@raffaelespazzoli you got it passed on master branch now.