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/
run.go
84 lines (69 loc) · 2.18 KB
/
run.go
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// Copyright 2015 The appc Authors
//
// 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"
"strings"
"github.com/appc/acbuild/engine"
"github.com/appc/acbuild/engine/chroot"
"github.com/appc/acbuild/engine/systemdnspawn"
"github.com/spf13/cobra"
)
var (
insecure = false
workingdir = ""
engineName = ""
cmdRun = &cobra.Command{
Use: "run -- CMD [ARGS]",
Short: "Run a command in an ACI",
Long: "Run a given command in an ACI, and save the resulting container as a new ACI",
Example: "acbuild run -- yum install nginx",
Run: runWrapper(runRun),
}
engines = map[string]engine.Engine{
"systemd-nspawn": systemdnspawn.Engine{},
"chroot": chroot.Engine{},
}
)
func init() {
cmdAcbuild.AddCommand(cmdRun)
var engineNames []string
for engine, _ := range engines {
engineNames = append(engineNames, engine)
}
engineList := fmt.Sprintf("[%s]", strings.Join(engineNames, ","))
cmdRun.Flags().BoolVar(&insecure, "insecure", false, "Allows fetching dependencies over http")
cmdRun.Flags().StringVar(&workingdir, "working-dir", "", "The working directory inside the container for this command")
cmdRun.Flags().StringVar(&engineName, "engine", "systemd-nspawn", "The engine used to run the command. Supported engines: "+engineList)
}
func runRun(cmd *cobra.Command, args []string) (exit int) {
if len(args) == 0 {
cmd.Usage()
return 1
}
if debug {
stderr("Running: %v", args)
}
engine, ok := engines[engineName]
if !ok {
stderr("run: no such engine %q", engineName)
return 1
}
err := newACBuild().Run(args, workingdir, insecure, engine)
if err != nil {
stderr("run: %v", err)
return getErrorCode(err)
}
return 0
}