First public commit

1 files changed, 57 insertions, 0 deletions

diff --git a/internal/environment/flags.go b/internal/environment/flags.go
new file mode 100644
index 0000000..8250690
--- /dev/null
+++ b/internal/environment/flags.go
@@ -0,0 +1,57 @@
+// 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)
+	}
+}