Golang template

//模板文件
{{- range . }}
host: {{ .Host }}
 {{- if eq .Category "DataBase" }}
   {{- if eq .Role "PostgreSQL" }}
 task: check postgresql connection
 cmd.database.dbtool:
   name: pg
   args:
     port: {{ .DBPort }}
     user: {{ .DBUser }}
     passwd: {{ .DBPasswd }}
     dbname : {{ .DBName }}
   {{- else if eq .Role "MongoDB" }}
 task: check mongodb connection
 cmd.database.dbtool:
   name: mongo
   args:
     port: {{ .DBPort }}
     user: {{ .DBUser }}
     passwd: {{ .DBPasswd }}
   {{- else if eq .Role "Redis" }}
 task: check redis connection
 cmd.database.dbtool:
   name: redis
   args:
     port: {{ .DBPort }}
     passwd: {{ .DBPasswd }}
   {{- end }}
 {{- end }}
 {{- if eq .Category "Server" }}
   {{- if eq .Role "app1" }}
 task: check fdp server
 cmd.server.tool:
   name: fdp
   args:
     - arg1
     - arg2
   {{- end }}
 {{- end }}
 {{- if eq .Category "Web" }}
   {{- if eq .Role "app2" }}
 task: check full text web
 cmd.web.tool:
   name: fulltext
   args:
   {{- end }}
 {{- end }}
{{- end }}

package main

import (
   "log"
   "os"
   "text/template"
)

type RoleInfo struct {
   Role, Category, DBName, Host, DBPort, DBUser, DBPasswd   string
   SshRequired, SudoRequired, FudeRequired, InstallRequired bool
}

func main() {
   log.SetFlags(log.Lshortfile | log.Ltime)
   roles := []RoleInfo{
   	{
   		"PostgreSQL", "DataBase", "postgres", "172.16.10.21",
   		"5432", "postgres", "123456",
   		true, true, true, false,
   	},
   	{
   		"MongoDB", "DataBase", "test", "172.16.10.22",
   		"27017", "mongo", "123456",
   		true, true, false, false,
   	},
   	{
   		"Redis", "DataBase", "", "172.16.10.23",
   		"6379", "", "123456",
   		true, false, false, false,
   	},
   	{
   		"app1", "Server", "", "172.16.10.31",
   		"", "", "",
   		true, true, false, false,
   	},
   	{
   		"app2", "Web", "", "172.16.10.41",
   		"", "", "",
   		true, true, true, true,
   	},
   }
   tmpl, err := template.ParseFiles("task.tpl")
   if err != nil {
   	log.Fatal(err)
   }
   err = tmpl.Execute(os.Stdout, roles)
   if err != nil {
   	log.Fatal(err)
   }
}