mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-11-29 23:05:34 +08:00
138 lines
3.0 KiB
Go
138 lines
3.0 KiB
Go
package shell
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import (
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"fmt"
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"io"
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"net/url"
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"strconv"
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"strings"
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"google.golang.org/grpc"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/util"
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"github.com/chrislusf/seaweedfs/weed/wdclient"
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"github.com/chrislusf/seaweedfs/weed/wdclient/exclusive_locks"
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)
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type ShellOptions struct {
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Masters *string
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GrpcDialOption grpc.DialOption
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// shell transient context
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FilerHost string
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FilerPort int64
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FilerAddress pb.ServerAddress
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Directory string
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}
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type CommandEnv struct {
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env map[string]string
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MasterClient *wdclient.MasterClient
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option ShellOptions
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locker *exclusive_locks.ExclusiveLocker
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}
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type command interface {
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Name() string
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Help() string
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Do([]string, *CommandEnv, io.Writer) error
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}
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var (
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Commands = []command{}
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)
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func NewCommandEnv(options ShellOptions) *CommandEnv {
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ce := &CommandEnv{
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env: make(map[string]string),
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MasterClient: wdclient.NewMasterClient(options.GrpcDialOption, pb.AdminShellClient, "", "", pb.ServerAddresses(*options.Masters).ToAddresses()),
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option: options,
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}
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ce.locker = exclusive_locks.NewExclusiveLocker(ce.MasterClient)
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return ce
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}
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func (ce *CommandEnv) parseUrl(input string) (path string, err error) {
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if strings.HasPrefix(input, "http") {
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err = fmt.Errorf("http://<filer>:<port> prefix is not supported any more")
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return
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}
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if !strings.HasPrefix(input, "/") {
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input = util.Join(ce.option.Directory, input)
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}
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return input, err
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}
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func (ce *CommandEnv) isDirectory(path string) bool {
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return ce.checkDirectory(path) == nil
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}
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func (ce *CommandEnv) confirmIsLocked() error {
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if ce.locker.IsLocking() {
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return nil
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}
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return fmt.Errorf("need to run \"lock\" first to continue")
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}
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func (ce *CommandEnv) checkDirectory(path string) error {
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dir, name := util.FullPath(path).DirAndName()
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exists, err := filer_pb.Exists(ce, dir, name, true)
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if !exists {
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return fmt.Errorf("%s is not a directory", path)
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}
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return err
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}
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var _ = filer_pb.FilerClient(&CommandEnv{})
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func (ce *CommandEnv) WithFilerClient(fn func(filer_pb.SeaweedFilerClient) error) error {
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return pb.WithGrpcFilerClient(ce.option.FilerAddress, ce.option.GrpcDialOption, fn)
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}
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func (ce *CommandEnv) AdjustedUrl(location *filer_pb.Location) string {
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return location.Url
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}
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func parseFilerUrl(entryPath string) (filerServer string, filerPort int64, path string, err error) {
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if strings.HasPrefix(entryPath, "http") {
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var u *url.URL
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u, err = url.Parse(entryPath)
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if err != nil {
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return
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}
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filerServer = u.Hostname()
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portString := u.Port()
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if portString != "" {
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filerPort, err = strconv.ParseInt(portString, 10, 32)
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}
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path = u.Path
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} else {
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err = fmt.Errorf("path should have full url /path/to/dirOrFile : %s", entryPath)
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}
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return
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}
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func findInputDirectory(args []string) (input string) {
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input = "."
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if len(args) > 0 {
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input = args[len(args)-1]
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if strings.HasPrefix(input, "-") {
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input = "."
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}
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}
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return input
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}
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