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// Copyright 2018 ThousandEyes Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package environment
import (
"fmt"
"os"
"github.com/namsral/flag"
)
func (env *Environment) setFlags() {
flag.StringVar(&env.ConfigFile, "config", "", "My config file")
flag.IntVar(&env.Port, "port", 8080, "The port where I'm going to listen")
flag.StringVar(&env.Domain, "domain", "localhost", "The address where I'm going to listen")
flag.StringVar(&env.DataDir, "data-dir", "", "Directory with mappings, configs, templates, etc.")
flag.StringVar(&env.StaticDir, "static-dir", "web", "A custom web directory with static files")
flag.StringVar(&env.EnvDir, "env-dir", "env_overrides", "Directory with overrides")
flag.StringVar(&env.TemplateExtension, "template-extension", ".slc", "Shoelaces template extension")
flag.StringVar(&env.MappingsFile, "mappings-file", "mappings.yaml", "My mappings YAML file")
flag.BoolVar(&env.Debug, "debug", false, "Debug mode")
flag.Parse()
}
func (env *Environment) validateFlags() {
error := false
if env.DataDir == "" {
fmt.Println("[*] You must specify the data-dir parameter")
error = true
}
if env.StaticDir == "" {
fmt.Println("[*] You must specify the data-dir parameter")
error = true
}
if error {
fmt.Println("\nAvailable parameters:")
flag.PrintDefaults()
fmt.Println("\nParameters can be specified as environment variables, arguments or in a config file.")
os.Exit(1)
}
}
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