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// Copyright 2019 Aporeto 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 regolithe
import (
"errors"
"fmt"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"go.aporeto.io/regolithe/spec"
)
// NewCommand generates a new CLI for regolith
func NewCommand(
name string,
description string,
version string,
nameConvertFunc spec.AttributeNameConverterFunc,
typeConvertFunc spec.AttributeTypeConverterFunc,
typeMappingName string,
generatorFunc func([]spec.SpecificationSet, string) error,
) *cobra.Command {
cobra.OnInitialize(func() {
viper.SetEnvPrefix(name)
viper.AutomaticEnv()
viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
})
var rootCmd = &cobra.Command{
Use: name,
Short: description,
}
rootCmd.PersistentFlags().StringP("out", "o", "codegen", "Default output path.")
var versionCmd = &cobra.Command{
Use: "version",
Short: "Prints the version and exit.",
Run: func(cmd *cobra.Command, args []string) {
fmt.Println(version)
},
}
var cmdFolderGen = &cobra.Command{
Use: "folder",
Short: "Generate the model using a local directory containing the specs.",
SilenceUsage: true,
SilenceErrors: true,
PreRunE: func(cmd *cobra.Command, args []string) error {
return viper.BindPFlags(cmd.Flags())
},
RunE: func(cmd *cobra.Command, args []string) error {
if len(viper.GetStringSlice("dir")) == 0 {
return errors.New("--dir is required")
}
var specSets []spec.SpecificationSet
for _, dir := range viper.GetStringSlice("dir") {
set, err := spec.LoadSpecificationSet(
dir,
nameConvertFunc,
typeConvertFunc,
typeMappingName,
)
if err != nil {
return err
}
specSets = append(specSets, set)
}
return generatorFunc(specSets, viper.GetString("out"))
},
}
cmdFolderGen.Flags().StringSliceP("dir", "d", nil, "Path of the specifications folder.")
var githubGen = &cobra.Command{
Use: "github",
Short: "Generate the model using a remote github repository.",
SilenceUsage: true,
SilenceErrors: true,
PreRunE: func(cmd *cobra.Command, args []string) error {
return viper.BindPFlags(cmd.Flags())
},
RunE: func(cmd *cobra.Command, args []string) error {
specSet, err := spec.LoadSpecificationSetFromGithub(
viper.GetString("token"),
viper.GetString("repo"),
viper.GetString("ref"),
viper.GetString("path"),
nameConvertFunc,
typeConvertFunc,
typeMappingName,
)
if err != nil {
return err
}
return generatorFunc([]spec.SpecificationSet{specSet}, viper.GetString("out"))
},
}
githubGen.Flags().StringP("repo", "r", "", "Endpoint for the github api.")
githubGen.Flags().StringP("path", "p", "", "Internal path to a directory in the repo if not in the root.")
githubGen.Flags().StringP("ref", "R", "master", "Branch or tag to use.")
githubGen.Flags().StringP("token", "t", "", "The api token to use.")
rootCmd.AddCommand(
versionCmd,
cmdFolderGen,
githubGen,
)
return rootCmd
}
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