cmdinit.go

//
// Copyright 2017-2023  Pantacor Ltd.
//
// 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 main

import (
	"fmt"
	"os"
	"path"

	"github.com/urfave/cli"
	"gitlab.com/pantacor/pvr/libpvr"
)

func CommandInit() cli.Command {
	return cli.Command{
		Name:        "init",
		Aliases:     []string{"i"},
		ArgsUsage:   "",
		Usage:       "pvr'ize the working directory",
		Description: "Creates the .pvr according to default spec. Creates systemc if not exists.",
		Action: func(c *cli.Context) error {
			wd, err := os.Getwd()
			if err != nil {
				return cli.NewExitError(err, 1)
			}

			session, err := libpvr.NewSession(c.App)

			if err != nil {
				return cli.NewExitError(err, 4)
			}

			pvr, err := libpvr.NewPvr(session, wd)
			if err != nil {
				return cli.NewExitError(err, 2)
			}

			// empty template as starting point; XXX; add Flag to pass custom json
			objectsDir := c.String("objects")
			if objectsDir == "" {
				objectsDir = path.Join(c.GlobalString("config-dir"), "objects")
			}

			spec := c.String("spec")
			initJson := fmt.Sprintf("{ \"#spec\": \"%s\" }", spec)
			err = pvr.InitCustom(initJson, objectsDir)

			if err != nil {
				cli.NewExitError(err, 3)
			}
			return nil
		},
		Flags: []cli.Flag{
			cli.StringFlag{
				Name:   "objects, o",
				EnvVar: "PVR_OBJECTS_DIR",
				Usage:  "Use `OBJECTS` directory for storing the file objects. Can be absolute or relative to working directory.",
			},
			cli.StringFlag{
				Name:  "spec, s",
				Usage: "Use `SPEC` as state format (e.g. pantavisor-service-system@1 or pantavisor-multi-platform@1 (legacy)",
				Value: "pantavisor-service-system@1",
			},
		},
	}
}