yunion.io/x/cloudmux@v0.3.10-0-alpha.1/cmd/jdcloudcli/main.go (about)

     1  // Copyright 2019 Yunion
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"fmt"
    19  	"net/http"
    20  	"net/url"
    21  	"os"
    22  
    23  	"github.com/sirupsen/logrus"
    24  	"golang.org/x/net/http/httpproxy"
    25  
    26  	"yunion.io/x/log"
    27  	"yunion.io/x/structarg"
    28  
    29  	"yunion.io/x/cloudmux/pkg/cloudprovider"
    30  	"yunion.io/x/cloudmux/pkg/multicloud/jdcloud"
    31  	_ "yunion.io/x/cloudmux/pkg/multicloud/jdcloud/shell"
    32  	"yunion.io/x/onecloud/pkg/util/shellutils"
    33  )
    34  
    35  type Options struct {
    36  	Debug        bool   `help:"Show debug" default:"false"`
    37  	AccessKey    string `help:"Access key" default:"$JDCLOUD_ACCESS_KEY"`
    38  	AccessSecret string `help:"Secret" default:"$JDCLOUD_SECRET"`
    39  	RegionId     string `help:"RegionId" default:"$JDCLOUD_REGION"`
    40  	SUBCOMMAND   string `help:"jdcloudcli subcommand" subcommand:"true"`
    41  }
    42  
    43  func getSubcommandParser() (*structarg.ArgumentParser, error) {
    44  	parse, err := structarg.NewArgumentParserWithHelp(&Options{},
    45  		"jdcloudcli",
    46  		"Command-line interface to ecloud API.",
    47  		`See "jdcloudcli COMMAND --help" for help on a specific command.`,
    48  	)
    49  	if err != nil {
    50  		return nil, err
    51  	}
    52  
    53  	subcmd := parse.GetSubcommand()
    54  	if subcmd == nil {
    55  		return nil, fmt.Errorf("No subcommand argument")
    56  	}
    57  	for _, v := range shellutils.CommandTable {
    58  		_, e := subcmd.AddSubParserWithHelp(v.Options, v.Command, v.Desc, v.Callback)
    59  		if e != nil {
    60  			return nil, e
    61  		}
    62  	}
    63  	return parse, nil
    64  }
    65  
    66  func showErrorAndExit(e error) {
    67  	fmt.Fprintf(os.Stderr, "%s", e)
    68  	fmt.Fprintln(os.Stderr)
    69  	os.Exit(1)
    70  }
    71  
    72  func newClient(options *Options) (*jdcloud.SJDCloudClient, error) {
    73  	if len(options.AccessKey) == 0 {
    74  		return nil, fmt.Errorf("Missing access key")
    75  	}
    76  	if len(options.AccessSecret) == 0 {
    77  		return nil, fmt.Errorf("Missing access secret")
    78  	}
    79  	regionId := options.RegionId
    80  	if regionId == "" {
    81  		regionId = jdcloud.JDCLOUD_DEFAULT_REGION
    82  	}
    83  
    84  	cfg := &httpproxy.Config{
    85  		HTTPProxy:  os.Getenv("HTTP_PROXY"),
    86  		HTTPSProxy: os.Getenv("HTTPS_PROXY"),
    87  		NoProxy:    os.Getenv("NO_PROXY"),
    88  	}
    89  	cfgProxyFunc := cfg.ProxyFunc()
    90  	proxyFunc := func(req *http.Request) (*url.URL, error) {
    91  		return cfgProxyFunc(req.URL)
    92  	}
    93  
    94  	cfcg := cloudprovider.ProviderConfig{
    95  		ProxyFunc: proxyFunc,
    96  	}
    97  
    98  	return jdcloud.NewJDCloudClient(
    99  		jdcloud.NewJDCloudClientConfig(
   100  			options.AccessKey,
   101  			options.AccessSecret,
   102  		).CloudproviderConfig(cfcg).Debug(options.Debug),
   103  	)
   104  }
   105  
   106  func main() {
   107  	parser, err := getSubcommandParser()
   108  	if err != nil {
   109  		showErrorAndExit(err)
   110  	}
   111  	err = parser.ParseArgs(os.Args[1:], false)
   112  	options := parser.Options().(*Options)
   113  
   114  	if parser.IsHelpSet() {
   115  		fmt.Print(parser.HelpString())
   116  		return
   117  	}
   118  	if options.Debug {
   119  		log.SetLogLevel(log.Logger(), logrus.DebugLevel)
   120  	} else {
   121  		log.SetLogLevel(log.Logger(), logrus.InfoLevel)
   122  	}
   123  	subcmd := parser.GetSubcommand()
   124  	subparser := subcmd.GetSubParser()
   125  	if err != nil || subparser == nil {
   126  		if subparser != nil {
   127  			fmt.Print(subparser.Usage())
   128  		} else {
   129  			fmt.Print(parser.Usage())
   130  		}
   131  		showErrorAndExit(err)
   132  	}
   133  	suboptions := subparser.Options()
   134  	if subparser.IsHelpSet() {
   135  		fmt.Print(subparser.HelpString())
   136  		return
   137  	}
   138  	client, err := newClient(options)
   139  	if err != nil {
   140  		showErrorAndExit(err)
   141  	}
   142  	region := client.GetRegion(options.RegionId)
   143  	if region == nil {
   144  		fmt.Printf("not found region: %s", options.RegionId)
   145  		return
   146  	}
   147  	err = subcmd.Invoke(region, suboptions)
   148  	if err != nil {
   149  		showErrorAndExit(err)
   150  	}
   151  }