harness-drone/yaml/network.go

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2016-05-08 07:01:45 +00:00
package yaml
import (
"fmt"
"gopkg.in/yaml.v2"
)
// Network defines a Docker network.
type Network struct {
Name string
Driver string
DriverOpts map[string]string `yaml:"driver_opts"`
}
// networkList is an intermediate type used for decoding a slice of networks
// in a format compatible with docker-compose.yml
type networkList struct {
networks []*Network
}
// UnmarshalYAML implements custom Yaml unmarshaling.
func (n *networkList) UnmarshalYAML(unmarshal func(interface{}) error) error {
slice := yaml.MapSlice{}
err := unmarshal(&slice)
if err != nil {
return err
}
for _, s := range slice {
nn := Network{}
out, merr := yaml.Marshal(s.Value)
if merr != nil {
return merr
}
err = yaml.Unmarshal(out, &nn)
if err != nil {
return err
}
if nn.Name == "" {
nn.Name = fmt.Sprintf("%v", s.Key)
}
if nn.Driver == "" {
nn.Driver = "bridge"
}
n.networks = append(n.networks, &nn)
}
return err
}