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shell.go
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shell.go
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package main
import (
"fmt"
"os"
"os/exec"
"github.com/dgageot/marcel/config"
"github.com/dgageot/marcel/machine"
)
func executable(args []string) (string, []string) {
switch {
case len(args) == 0:
return "docker", args
case args[0] == "machine":
return "docker-machine", args[1:]
case args[0] == "compose":
return "docker-compose", args[1:]
default:
return "docker", args
}
}
func run(executable string, args []string) error {
config, err := config.Load()
if err != nil {
return err
}
env, err := dockerEnv(config)
if err != nil {
return err
}
cmd := exec.Command(executable, args...)
cmd.Stdin = os.Stdin
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stdout
cmd.Env = append(os.Environ(), env...)
return cmd.Run()
}
func dockerEnv(config *config.Config) ([]string, error) {
switch config.Type {
case "local":
return []string{"DOCKER_TLS_VERIFY=", "DOCKER_HOST=", "DOCKER_CERT_PATH="}, nil
case "machine":
env, err := machine.NewEnver().Env(config.Machine)
if err != nil {
return nil, err
}
return env, nil
case "url":
if config.CertPath != "" {
return []string{"DOCKER_TLS_VERIFY=1", "DOCKER_HOST=" + config.Url, "DOCKER_CERT_PATH=" + config.CertPath}, nil
} else {
return []string{"DOCKER_TLS_VERIFY=", "DOCKER_HOST=" + config.Url, "DOCKER_CERT_PATH="}, nil
}
}
return nil, fmt.Errorf("Unknown type: %s", config.Type)
}