gistfile1.txt

package main

import (
    "fmt"
    "io/ioutil"
    "path/filepath"
    "gopkg.in/yaml.v2"
)

type Config struct {
    Ops_params map[[]]Options
}

type Options struct {
    environment string
    lifecycle string
}

func main() {
    filename, _ := filepath.Abs("/Users/rlewon/Projects/g/ops-config/hosts/vmhost99-uat.snc1.yml")
    yamlFile, err := ioutil.ReadFile(filename)

    if err != nil {
        panic(err)
    }

    var config Config

    err = yaml.Unmarshal(yamlFile, &config)
    if err != nil {
        panic(err)
    }

    fmt.Printf("Value: %#v\n", config.Ops_params)
}

test.yml

params:
    env: prod
    life: live