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Move knoxite-lib into root folder and cmd into cmd/knoxite
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,267 @@ | ||
| /* | ||
| * knoxite | ||
| * Copyright (c) 2016-2020, Christian Muehlhaeuser <muesli@gmail.com> | ||
| * | ||
| * For license see LICENSE | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "strings" | ||
| "syscall" | ||
|
|
||
| shutdown "github.com/klauspost/shutdown2" | ||
| "github.com/muesli/crunchy" | ||
| "github.com/muesli/gotable" | ||
| "github.com/spf13/cobra" | ||
| "golang.org/x/crypto/ssh/terminal" | ||
|
|
||
| "github.com/knoxite/knoxite" | ||
| ) | ||
|
|
||
| // Error declarations | ||
| var ( | ||
| ErrPasswordMismatch = errors.New("Passwords did not match") | ||
|
|
||
| repoCmd = &cobra.Command{ | ||
| Use: "repo", | ||
| Short: "manage repository", | ||
| Long: `The repo command manages repositories`, | ||
| RunE: nil, | ||
| } | ||
| repoInitCmd = &cobra.Command{ | ||
| Use: "init", | ||
| Short: "initialize a new repository", | ||
| Long: `The init command initializes a new repository`, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| return executeRepoInit() | ||
| }, | ||
| } | ||
| repoCatCmd = &cobra.Command{ | ||
| Use: "cat", | ||
| Short: "display repository information as JSON", | ||
| Long: `The cat command displays the internal repository information as JSON`, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| return executeRepoCat() | ||
| }, | ||
| } | ||
| repoInfoCmd = &cobra.Command{ | ||
| Use: "info", | ||
| Short: "display repository information", | ||
| Long: `The info command displays the repository status & information`, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| return executeRepoInfo() | ||
| }, | ||
| } | ||
| repoAddCmd = &cobra.Command{ | ||
| Use: "add <url>", | ||
| Short: "add another storage backend to a repository", | ||
| Long: `The add command adds another storage backend to a repository`, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| if len(args) != 1 { | ||
| return fmt.Errorf("add needs a URL to be added") | ||
| } | ||
| return executeRepoAdd(args[0]) | ||
| }, | ||
| } | ||
| repoPackCmd = &cobra.Command{ | ||
| Use: "pack", | ||
| Short: "pack repository and release redundant data", | ||
| Long: `The pack command deletes all unused data chunks from storage`, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| return executeRepoPack() | ||
| }, | ||
| } | ||
| ) | ||
|
|
||
| func init() { | ||
| repoCmd.AddCommand(repoInitCmd) | ||
| repoCmd.AddCommand(repoCatCmd) | ||
| repoCmd.AddCommand(repoInfoCmd) | ||
| repoCmd.AddCommand(repoAddCmd) | ||
| repoCmd.AddCommand(repoPackCmd) | ||
| RootCmd.AddCommand(repoCmd) | ||
| } | ||
|
|
||
| func executeRepoInit() error { | ||
| // acquire a shutdown lock. we don't want these next calls to be interrupted | ||
| lock := shutdown.Lock() | ||
| if lock == nil { | ||
| return nil | ||
| } | ||
| defer lock() | ||
|
|
||
| r, err := newRepository(globalOpts.Repo, globalOpts.Password) | ||
| if err != nil { | ||
| return fmt.Errorf("Creating repository at %s failed: %v", globalOpts.Repo, err) | ||
| } | ||
|
|
||
| fmt.Printf("Created new repository at %s\n", (*r.BackendManager().Backends[0]).Location()) | ||
| return nil | ||
| } | ||
|
|
||
| func executeRepoAdd(url string) error { | ||
| // acquire a shutdown lock. we don't want these next calls to be interrupted | ||
| lock := shutdown.Lock() | ||
| if lock == nil { | ||
| return nil | ||
| } | ||
| defer lock() | ||
|
|
||
| r, err := openRepository(globalOpts.Repo, globalOpts.Password) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| backend, err := knoxite.BackendFromURL(url) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| r.BackendManager().AddBackend(&backend) | ||
|
|
||
| err = r.Save() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Printf("Added %s to repository\n", backend.Location()) | ||
| return nil | ||
| } | ||
|
|
||
| func executeRepoCat() error { | ||
| r, err := openRepository(globalOpts.Repo, globalOpts.Password) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| json, err := json.MarshalIndent(r, "", " ") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Printf("%s\n", json) | ||
| return nil | ||
| } | ||
|
|
||
| func executeRepoPack() error { | ||
| r, err := openRepository(globalOpts.Repo, globalOpts.Password) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| index, err := knoxite.OpenChunkIndex(&r) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| freedSize, err := index.Pack(&r) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = index.Save(&r) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| fmt.Printf("Freed storage space: %s\n", knoxite.SizeToString(freedSize)) | ||
| return nil | ||
| } | ||
|
|
||
| func executeRepoInfo() error { | ||
| r, err := openRepository(globalOpts.Repo, globalOpts.Password) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| tab := gotable.NewTable([]string{"Storage URL", "Available Space"}, | ||
| []int64{-48, 15}, | ||
| "No backends found.") | ||
|
|
||
| for _, be := range r.BackendManager().Backends { | ||
| space, _ := (*be).AvailableSpace() | ||
| tab.AppendRow([]interface{}{ | ||
| (*be).Location(), | ||
| knoxite.SizeToString(space)}) | ||
| } | ||
|
|
||
| _ = tab.Print() | ||
| return nil | ||
| } | ||
|
|
||
| func openRepository(path, password string) (knoxite.Repository, error) { | ||
| if password == "" { | ||
| var err error | ||
| password, err = readPassword("Enter password:") | ||
| if err != nil { | ||
| return knoxite.Repository{}, err | ||
| } | ||
| } | ||
|
|
||
| return knoxite.OpenRepository(path, password) | ||
| } | ||
|
|
||
| func newRepository(path, password string) (knoxite.Repository, error) { | ||
| if password == "" { | ||
| var err error | ||
| password, err = readPasswordTwice("Enter a password to encrypt this repository with:", "Confirm password:") | ||
| if err != nil { | ||
| return knoxite.Repository{}, err | ||
| } | ||
| } | ||
|
|
||
| return knoxite.NewRepository(path, password) | ||
| } | ||
|
|
||
| func readPassword(prompt string) (string, error) { | ||
| var tty io.WriteCloser | ||
| tty, err := os.OpenFile("/dev/tty", os.O_WRONLY, 0) | ||
| if err != nil { | ||
| tty = os.Stdout | ||
| } else { | ||
| defer tty.Close() | ||
| } | ||
|
|
||
| fmt.Fprint(tty, prompt+" ") | ||
| buf, err := terminal.ReadPassword(int(syscall.Stdin)) | ||
| fmt.Fprintln(tty) | ||
|
|
||
| return string(buf), err | ||
| } | ||
|
|
||
| func readPasswordTwice(prompt, promptConfirm string) (string, error) { | ||
| pw, err := readPassword(prompt) | ||
| if err != nil { | ||
| return pw, err | ||
| } | ||
|
|
||
| crunchErr := crunchy.NewValidator().Check(pw) | ||
| if crunchErr != nil { | ||
| fmt.Printf("Password is considered unsafe: %v\n", crunchErr) | ||
| fmt.Printf("Are you sure you want to use this password (y/N)?: ") | ||
| var buf string | ||
| _, err = fmt.Scan(&buf) | ||
| if err != nil { | ||
| return pw, err | ||
| } | ||
|
|
||
| buf = strings.TrimSpace(buf) | ||
| buf = strings.ToLower(buf) | ||
| if buf != "y" { | ||
| return pw, crunchErr | ||
| } | ||
| } | ||
|
|
||
| pwconfirm, err := readPassword(promptConfirm) | ||
| if err != nil { | ||
| return pw, err | ||
| } | ||
| if pw != pwconfirm { | ||
| return pw, ErrPasswordMismatch | ||
| } | ||
|
|
||
| return pw, nil | ||
| } |
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