asteris-llc/converge

// Copyright © 2016 Asteris, LLC
//
// 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 cmd

import (
    "errors"

    log "github.com/Sirupsen/logrus"
    "github.com/asteris-llc/converge/load"
    "github.com/spf13/cobra"
    "github.com/spf13/viper"
    "golang.org/x/net/context"
)

// validateCmd represents the validate command
var validateCmd = &cobra.Command{
    Use:   "validate",
    Short: "validate that the syntax of a module file is valid",
    PreRunE: func(cmd *cobra.Command, args []string) error {
        if len(args) == 0 {
            return errors.New("Need at least one module filename as argument, got 0")
        }
        return nil
    },
    Run: func(cmd *cobra.Command, args []string) {
        // set up execution context
        ctx, cancel := context.WithCancel(context.Background())
        GracefulExit(cancel)

        verifyModules := viper.GetBool("verify-modules")
        if !verifyModules {
            log.WithField("component", "client").Warn("skipping module verification")
        }

        for _, fname := range args {
            flog := log.WithField("file", fname)

            _, err := load.Load(ctx, fname, verifyModules)
            if err != nil {
                flog.WithError(err).Fatal("could not parse file")
            }

            flog.Info("module valid")
        }
    },
}

func init() {
    validateCmd.Flags().Bool("verify-modules", false, "verify module signatures")
    RootCmd.AddCommand(validateCmd)
}