Files
cloudpods/cmd/climc/entry/climc.go
2022-12-27 01:21:26 +08:00

373 lines
11 KiB
Go

// Copyright 2019 Yunion
//
// 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 entry
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"os"
"path/filepath"
"strings"
"sync"
"time"
"github.com/c-bata/go-prompt"
"github.com/cheggaaa/pb/v3"
"golang.org/x/net/http/httpproxy"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/util/httputils"
"yunion.io/x/pkg/util/version"
"yunion.io/x/structarg"
"yunion.io/x/onecloud/cmd/climc/promputils"
"yunion.io/x/onecloud/cmd/climc/shell"
"yunion.io/x/onecloud/pkg/mcclient"
)
type BaseOptions struct {
Debug bool `help:"Show debug information"`
Version bool `help:"Show version"`
Timeout int `default:"600" help:"Number of seconds to wait for a response"`
Insecure bool `default:"$YUNION_INSECURE|false" help:"Allow skip server cert verification if URL is https" short-token:"k"`
CertFile string `default:"$YUNION_CERT_FILE" help:"certificate file"`
KeyFile string `default:"$YUNION_KEY_FILE" help:"private key file"`
Completion string `default:"" help:"Generate climc auto complete script" choices:"bash|zsh"`
UseCachedToken bool `default:"$YUNION_USE_CACHED_TOKEN|false" help:"Use cached token"`
OsUsername string `default:"$OS_USERNAME" help:"Username, defaults to env[OS_USERNAME]"`
OsPassword string `default:"$OS_PASSWORD" help:"Password, defaults to env[OS_PASSWORD]"`
// OsProjectId string `default:"$OS_PROJECT_ID" help:"Proejct ID, defaults to env[OS_PROJECT_ID]"`
OsProjectName string `default:"$OS_PROJECT_NAME" help:"Project name, defaults to env[OS_PROJECT_NAME]"`
OsProjectDomain string `default:"$OS_PROJECT_DOMAIN" help:"Domain name of project, defaults to env[OS_PROJECT_DOMAIN]"`
OsDomainName string `default:"$OS_DOMAIN_NAME" help:"Domain name, defaults to env[OS_DOMAIN_NAME]"`
OsAccessKey string `default:"$OS_ACCESS_KEY" help:"ak/sk access key, defaults to env[OS_ACCESS_KEY]"`
OsSecretKey string `default:"$OS_SECRET_KEY" help:"ak/s secret, defaults to env[OS_SECRET_KEY]"`
OsAuthToken string `default:"$OS_AUTH_TOKEN" help:"token authenticate, defaults to env[OS_AUTH_TOKEN]"`
OsAuthURL string `default:"$OS_AUTH_URL" help:"Defaults to env[OS_AUTH_URL]"`
OsRegionName string `default:"$OS_REGION_NAME" help:"Defaults to env[OS_REGION_NAME]"`
OsZoneName string `default:"$OS_ZONE_NAME" help:"Defaults to env[OS_ZONE_NAME]"`
OsEndpointType string `default:"$OS_ENDPOINT_TYPE|internalURL" help:"Defaults to env[OS_ENDPOINT_TYPE] or internalURL" choices:"publicURL|internalURL|adminURL"`
// ApiVersion string `default:"$API_VERSION" help:"override default modules service api version"`
OutputFormat string `default:"$CLIMC_OUTPUT_FORMAT|table" choices:"table|kv|json|flatten-table|flatten-kv" help:"output format"`
ParallelRun int `help:"run in parallel to stess test the performance of server"`
SUBCOMMAND string `help:"climc subcommand" subcommand:"true"`
}
func getSubcommandsParser() (*structarg.ArgumentParser, error) {
var (
prog = "climc"
desc = `Command-line interface to the API server.`
)
parse, e := structarg.NewArgumentParserWithHelp(&BaseOptions{},
prog,
desc,
`See "climc help COMMAND" for help on a specific command.`)
if e != nil {
return nil, e
}
subcmd := parse.GetSubcommand()
if subcmd == nil {
return nil, fmt.Errorf("No subcommand argument")
}
promptRootCmd := promputils.InitRootCmd(prog, desc, parse.GetOptArgs(), parse.GetPosArgs())
for _, v := range shell.CommandTable {
_par, e := subcmd.AddSubParserWithHelp(v.Options, v.Command, v.Desc, v.Callback)
if e != nil {
return nil, e
}
promputils.AppendCommand(promptRootCmd, v.Command, v.Desc)
cmd := v.Command
for _, v := range _par.GetOptArgs() {
text := v.String()
text = strings.TrimLeft(text, "[<")
text = strings.TrimRight(text, "]>")
promputils.AppendOpt(cmd, text, v.HelpString(""), v)
}
for _, v := range _par.GetPosArgs() {
text := v.String()
text = strings.TrimLeft(text, "[<")
text = strings.TrimRight(text, "]>")
promputils.AppendPos(cmd, text, v.HelpString(""), v)
}
}
return parse, nil
}
func showErrorAndExit(e error) {
fmt.Fprintf(os.Stderr, "%s", e)
fmt.Fprintln(os.Stderr)
os.Exit(1)
}
func newClientSession(options *BaseOptions) (*mcclient.ClientSession, error) {
if len(options.OsAuthURL) == 0 {
return nil, fmt.Errorf("Missing OS_AUTH_URL")
}
if len(options.OsUsername) == 0 && len(options.OsAccessKey) == 0 && len(options.OsAuthToken) == 0 {
return nil, fmt.Errorf("Missing OS_USERNAME or OS_ACCESS_KEY or OS_AUTH_TOKEN")
}
if len(options.OsUsername) > 0 && len(options.OsPassword) == 0 {
return nil, fmt.Errorf("Missing OS_PASSWORD")
}
if len(options.OsAccessKey) > 0 && len(options.OsSecretKey) == 0 {
return nil, fmt.Errorf("Missing OS_SECRET_KEY")
}
logLevel := "info"
if options.Debug {
logLevel = "debug"
}
log.SetLogLevelByString(log.Logger(), logLevel)
client := mcclient.NewClient(options.OsAuthURL,
options.Timeout,
options.Debug,
options.Insecure,
options.CertFile,
options.KeyFile)
cfg := &httpproxy.Config{
HTTPProxy: os.Getenv("HTTP_PROXY"),
HTTPSProxy: os.Getenv("HTTPS_PROXY"),
NoProxy: os.Getenv("NO_PROXY"),
}
cfgProxyFunc := cfg.ProxyFunc()
proxyFunc := func(req *http.Request) (*url.URL, error) {
return cfgProxyFunc(req.URL)
}
httputils.SetClientProxyFunc(client.GetClient(), proxyFunc)
var cacheToken mcclient.TokenCredential
authUrlAlter := strings.Replace(options.OsAuthURL, "/", "", -1)
authUrlAlter = strings.Replace(authUrlAlter, ":", "", -1)
tokenCachePath := filepath.Join(os.TempDir(), fmt.Sprintf("OS_AUTH_CACHE_TOKEN-%s-%s-%s-%s", authUrlAlter, options.OsUsername, options.OsDomainName, options.OsProjectName))
if options.UseCachedToken {
cacheFile, err := os.Open(tokenCachePath)
if err == nil && cacheFile != nil {
fileInfo, _ := cacheFile.Stat()
dur, err := time.ParseDuration("-24h")
if fileInfo != nil && err == nil && fileInfo.ModTime().After(time.Now().Add(dur)) {
bytesToken, err := ioutil.ReadAll(cacheFile)
if err == nil {
token := client.NewAuthTokenCredential()
err := json.Unmarshal(bytesToken, token)
if err != nil {
fmt.Printf("Unmarshal token error:%s", err)
} else if token.IsValid() {
cacheToken = token
}
}
cacheFile.Close()
}
}
}
if cacheToken == nil {
var token mcclient.TokenCredential
var err error
if len(options.OsAuthToken) > 0 {
token, err = client.AuthenticateToken(options.OsAuthToken, options.OsProjectName,
options.OsProjectDomain,
mcclient.AuthSourceCli)
} else if len(options.OsAccessKey) > 0 {
token, err = client.AuthenticateByAccessKey(options.OsAccessKey,
options.OsSecretKey, mcclient.AuthSourceCli)
} else {
token, err = client.AuthenticateWithSource(options.OsUsername,
options.OsPassword,
options.OsDomainName,
options.OsProjectName,
options.OsProjectDomain,
mcclient.AuthSourceCli)
}
if err != nil {
return nil, err
}
cacheToken = token
bytesCacheToken, err := json.Marshal(cacheToken)
if err != nil {
fmt.Printf("Marshal token error:%s", err)
} else {
fo, err := os.Create(tokenCachePath)
if err != nil {
fmt.Printf("Save token cache fail: %s", err)
} else {
fo.Write(bytesCacheToken)
fo.Close()
}
}
}
session := client.NewSession(
context.Background(),
options.OsRegionName,
options.OsZoneName,
options.OsEndpointType,
cacheToken,
)
return session, nil
}
func enterInteractiveMode(
parser *structarg.ArgumentParser,
sessionFactory func() *mcclient.ClientSession,
) {
promputils.InitEnv(parser, sessionFactory())
defer fmt.Println("Bye!")
p := prompt.New(
promputils.Executor,
promputils.Completer,
prompt.OptionPrefix("climc> "),
prompt.OptionTitle("Climc, a Command Line Interface to Manage Clouds"),
prompt.OptionMaxSuggestion(16),
)
p.Run()
}
func executeSubcommand(
subcmd *structarg.SubcommandArgument,
subparser *structarg.ArgumentParser,
options *BaseOptions,
sessionFactory func() *mcclient.ClientSession,
parallel int,
) {
suboptions := subparser.Options()
if subparser.IsHelpSet() {
helpStr, err := subcmd.SubHelpString(options.SUBCOMMAND)
if err != nil {
showErrorAndExit(err)
return
}
fmt.Println(helpStr)
return
}
if parallel <= 1 {
sess := sessionFactory()
err := subcmd.Invoke(sess, suboptions)
if err != nil {
showErrorAndExit(err)
return
}
} else {
fmt.Println("Authenticating...")
bar := pb.StartNew(parallel)
sess := make([]*mcclient.ClientSession, parallel)
for i := 0; i < parallel; i++ {
sess[i] = sessionFactory()
bar.Increment()
}
bar.Finish()
fmt.Println("Tokens are ready, start to request ...")
start := time.Now()
var wg sync.WaitGroup
var errs []error
for i := 0; i < parallel; i++ {
wg.Add(1)
s := sess[i]
go func() {
defer wg.Done()
err := subcmd.Invoke(s, suboptions)
if err != nil {
errs = append(errs, err)
}
}()
}
wg.Wait()
if len(errs) > 0 {
showErrorAndExit(errors.NewAggregate(errs))
return
}
diff := time.Now().Sub(start)
fmt.Printf("cost: %f seconds %f qps\n", diff.Seconds(), float64(parallel)/diff.Seconds())
}
}
func ClimcMain() {
parser, e := getSubcommandsParser()
if e != nil {
showErrorAndExit(e)
return
}
e = parser.ParseArgs(os.Args[1:], false)
options := parser.Options().(*BaseOptions)
if len(options.Completion) > 0 {
completeScript := promputils.GenerateAutoCompleteCmds(promputils.GetRootCmd(), options.Completion)
if len(completeScript) > 0 {
fmt.Printf("%s", completeScript)
}
return
}
if parser.IsHelpSet() {
fmt.Print(parser.HelpString())
return
}
if options.Version {
fmt.Printf("Yunion API client version:\n %s\n", version.GetJsonString())
return
}
shell.OutputFormat(options.OutputFormat)
ensureSessionFactory := func() *mcclient.ClientSession {
session, err := newClientSession(options)
if err != nil {
showErrorAndExit(err)
return nil
}
return session
}
// enter interactive mode when not enough argument and SUBCOMMAND is empty
if _, ok := e.(*structarg.NotEnoughArgumentsError); ok && options.SUBCOMMAND == "" {
enterInteractiveMode(parser, ensureSessionFactory)
return
}
subcmd := parser.GetSubcommand()
subparser := subcmd.GetSubParser()
if e != nil {
if subparser != nil {
fmt.Print(subparser.Usage())
} else {
fmt.Print(parser.Usage())
}
showErrorAndExit(e)
return
}
// execute subcommand in non-interactive mode
executeSubcommand(subcmd, subparser, options, ensureSessionFactory, options.ParallelRun)
}