99 lines
2.3 KiB
Go
99 lines
2.3 KiB
Go
/*
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Copyright 2016 The GoStor Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"net/http"
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"os"
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"strings"
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"github.com/docker/go-connections/sockets"
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"github.com/gostor/gotgt/pkg/api/client"
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"github.com/spf13/cobra"
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"github.com/gostor/gotgt/pkg/version"
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)
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func NewCommand() *cobra.Command {
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var cli client.Client
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var host string = "tcp://127.0.0.1:23457"
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var cmd = &cobra.Command{
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Use: "gotgt",
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Short: "Gotgt is a very fast and stable SCSI target framework",
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Long: ``,
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PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
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httpClient, err := newHTTPClient(host)
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if err != nil {
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fmt.Fprintf(os.Stderr, "%v", err)
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return err
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}
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if _cli, err := client.NewClient(host, version.Version, httpClient, nil); err != nil {
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fmt.Fprintf(os.Stderr, "%v", err)
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return err
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} else {
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cli = *_cli
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}
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// Do Stuff Here
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return nil
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},
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}
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cmd.PersistentFlags().StringVar(&host, "host", host, "Endpoint for SCSI target daemon")
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cmd.AddCommand(
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newDaemonCommand(),
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newCreateCommand(&cli),
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newRemoveCommand(&cli),
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newListCommand(&cli),
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newVersionCommand(&cli),
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)
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return cmd
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}
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func newHTTPClient(host string) (*http.Client, error) {
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tr := &http.Transport{
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TLSClientConfig: nil,
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}
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proto, addr, _, err := client.ParseHost(host)
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if err != nil {
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return nil, err
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}
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sockets.ConfigureTransport(tr, proto, addr)
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return &http.Client{
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Transport: tr,
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}, nil
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}
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// NoArgs validate args and returns an error if there are any args
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func NoArgs(cmd *cobra.Command, args []string) error {
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if len(args) == 0 {
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return nil
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}
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if cmd.HasSubCommands() {
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return fmt.Errorf("\n" + strings.TrimRight(cmd.UsageString(), "\n"))
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}
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return fmt.Errorf(
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"\"%s\" accepts no argument(s).\n",
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cmd.CommandPath(),
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)
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}
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