add import+export, json output, humanize wide output, fixes

This commit is contained in:
2024-12-18 14:06:21 +01:00
parent 9e6bbd5419
commit 332eed679e
11 changed files with 570 additions and 122 deletions

213
app/db.go
View File

@@ -2,11 +2,11 @@ package app
import (
"encoding/json"
"errors"
"fmt"
"os"
"path/filepath"
"regexp"
"slices"
"strings"
"time"
@@ -35,7 +35,6 @@ type DbTag struct {
}
const BucketData string = "data"
const BucketTags string = "tags"
func New(file string, debug bool) (*DB, error) {
if _, err := os.Stat(filepath.Dir(file)); os.IsNotExist(err) {
@@ -141,7 +140,38 @@ func (db *DB) Set(attr *DbAttr) error {
Created: time.Now(),
}
err := db.DB.Update(func(tx *bolt.Tx) error {
// check if the entry already exists and if yes, check if it has
// any tags. if so, we initialize our update struct with these
// tags unless it has new tags configured.
err := db.DB.View(func(tx *bolt.Tx) error {
bucket := tx.Bucket([]byte(BucketData))
if bucket == nil {
return nil
}
jsonentry := bucket.Get([]byte(entry.Key))
if jsonentry == nil {
return nil
}
var oldentry DbEntry
if err := json.Unmarshal(jsonentry, &oldentry); err != nil {
return fmt.Errorf("unable to unmarshal json: %s", err)
}
if len(oldentry.Tags) > 0 && len(entry.Tags) == 0 {
// initialize update entry with tags from old entry
entry.Tags = oldentry.Tags
}
return nil
})
if err != nil {
return err
}
err = db.DB.Update(func(tx *bolt.Tx) error {
// insert data
bucket, err := tx.CreateBucketIfNotExists([]byte(BucketData))
if err != nil {
@@ -158,49 +188,150 @@ func (db *DB) Set(attr *DbAttr) error {
return fmt.Errorf("insert data: %s", err)
}
// insert tag, if any
// FIXME: check removed tags
if len(attr.Tags) > 0 {
bucket, err := tx.CreateBucketIfNotExists([]byte(BucketTags))
if err != nil {
return fmt.Errorf("create bucket: %s", err)
}
for _, tag := range entry.Tags {
dbtag := &DbTag{}
jsontag := bucket.Get([]byte(tag))
if jsontag == nil {
// the tag is empty so far, initialize it
dbtag.Keys = []string{entry.Key}
} else {
if err := json.Unmarshal(jsontag, dbtag); err != nil {
return fmt.Errorf("unable to unmarshal json: %s", err)
}
if !slices.Contains(dbtag.Keys, entry.Key) {
// current key is not yet assigned to the tag, append it
dbtag.Keys = append(dbtag.Keys, entry.Key)
}
}
jsontag, err = json.Marshal(dbtag)
if err != nil {
return fmt.Errorf("json marshalling failure: %s", err)
}
err = bucket.Put([]byte(tag), []byte(jsontag))
if err != nil {
return fmt.Errorf("insert data: %s", err)
}
}
}
return nil
})
if err != nil {
return err
}
return nil
}
func (db *DB) Get(attr *DbAttr) (*DbEntry, error) {
if err := db.Open(); err != nil {
return nil, err
}
defer db.Close()
if err := attr.ParseKV(); err != nil {
return nil, err
}
entry := DbEntry{}
err := db.DB.View(func(tx *bolt.Tx) error {
bucket := tx.Bucket([]byte(BucketData))
if bucket == nil {
return nil
}
jsonentry := bucket.Get([]byte(attr.Key))
if jsonentry == nil {
return nil
}
if err := json.Unmarshal(jsonentry, &entry); err != nil {
return fmt.Errorf("unable to unmarshal json: %s", err)
}
return nil
})
if err != nil {
return nil, err
}
return &entry, nil
}
func (db *DB) Del(attr *DbAttr) error {
if err := db.Open(); err != nil {
return err
}
defer db.Close()
err := db.DB.Update(func(tx *bolt.Tx) error {
bucket := tx.Bucket([]byte(BucketData))
if bucket == nil {
return nil
}
return bucket.Delete([]byte(attr.Key))
})
return err
}
func (db *DB) Import(attr *DbAttr) error {
// open json file into attr.Val
if err := attr.GetFileValue(); err != nil {
return err
}
if attr.Val == "" {
return errors.New("empty json file")
}
var entries DbEntries
now := time.Now()
newfile := db.Dbfile + now.Format("-02.01.2006T03:04.05")
if err := json.Unmarshal([]byte(attr.Val), &entries); err != nil {
return cleanError(newfile, fmt.Errorf("unable to unmarshal json: %s", err))
}
if fileExists(db.Dbfile) {
// backup the old file
err := os.Rename(db.Dbfile, newfile)
if err != nil {
return err
}
}
// should now be a new db file
if err := db.Open(); err != nil {
return cleanError(newfile, err)
}
defer db.Close()
err := db.DB.Update(func(tx *bolt.Tx) error {
// insert data
bucket, err := tx.CreateBucketIfNotExists([]byte(BucketData))
if err != nil {
return fmt.Errorf("create bucket: %s", err)
}
for _, entry := range entries {
jsonentry, err := json.Marshal(entry)
if err != nil {
return fmt.Errorf("json marshalling failure: %s", err)
}
err = bucket.Put([]byte(entry.Key), []byte(jsonentry))
if err != nil {
return fmt.Errorf("insert data: %s", err)
}
}
return nil
})
if err != nil {
return cleanError(newfile, err)
}
fmt.Printf("backed up database file to %s\n", newfile)
fmt.Printf("imported %d database entries\n", len(entries))
return nil
}
func cleanError(file string, err error) error {
// remove given [backup] file and forward the given error
os.Remove(file)
return err
}
func fileExists(filename string) bool {
info, err := os.Stat(filename)
if err != nil {
// return false on any error
return false
}
return !info.IsDir()
}

View File

@@ -5,10 +5,11 @@ import "github.com/tlinden/anydb/app"
var Version string = "v0.0.1"
type Config struct {
Debug bool
Dbfile string
Mode string // wide, table, yaml, json
DB *app.DB
File string
Tags []string
Debug bool
Dbfile string
Mode string // wide, table, yaml, json
NoHeaders bool
DB *app.DB
File string
Tags []string
}

View File

@@ -3,6 +3,7 @@ package cmd
import (
"errors"
"os"
"strings"
"github.com/spf13/cobra"
"github.com/tlinden/anydb/app"
@@ -21,7 +22,7 @@ func Set(conf *cfg.Config) *cobra.Command {
Long: `Insert key/value pair`,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("No key/value pair specified")
return errors.New("no key/value pair specified")
}
// errors at this stage do not cause the usage to be shown
@@ -31,31 +32,137 @@ func Set(conf *cfg.Config) *cobra.Command {
attr.Args = args
}
if err := conf.DB.Set(&attr); err != nil {
return err
// turn comma list into slice, if needed
if len(attr.Tags) == 1 && strings.Contains(attr.Tags[0], ",") {
attr.Tags = strings.Split(attr.Tags[0], ",")
}
return conf.DB.Close()
return conf.DB.Set(&attr)
},
}
cmd.PersistentFlags().StringVarP(&attr.File, "file", "r", "", "Filename or - for STDIN")
cmd.PersistentFlags().StringArrayVarP(&attr.Tags, "tags", "t", nil, "tags, multiple allowed")
cmd.Aliases = append(cmd.Aliases, "add")
cmd.Aliases = append(cmd.Aliases, "s")
cmd.Aliases = append(cmd.Aliases, "+")
return cmd
}
func Get(conf *cfg.Config) *cobra.Command {
return nil
var (
attr app.DbAttr
)
var cmd = &cobra.Command{
Use: "get <key> [-o <file>]",
Short: "Retrieve value for a key",
Long: `Retrieve value for a key`,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("no key specified")
}
// errors at this stage do not cause the usage to be shown
cmd.SilenceUsage = true
if len(args) > 0 {
attr.Key = args[0]
}
entry, err := conf.DB.Get(&attr)
if err != nil {
return err
}
return output.Print(os.Stdout, conf, entry)
},
}
cmd.PersistentFlags().StringVarP(&conf.Mode, "output", "o", "", "output to file")
cmd.Aliases = append(cmd.Aliases, "show")
cmd.Aliases = append(cmd.Aliases, "g")
cmd.Aliases = append(cmd.Aliases, ".")
return cmd
}
func Del(conf *cfg.Config) *cobra.Command {
return nil
var (
attr app.DbAttr
)
var cmd = &cobra.Command{
Use: "del <key>",
Short: "Delete key",
Long: `Delete key and value matching key`,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("No key specified")
}
// errors at this stage do not cause the usage to be shown
cmd.SilenceUsage = true
if len(args) > 0 {
attr.Key = args[0]
}
return conf.DB.Del(&attr)
},
}
cmd.PersistentFlags().StringVarP(&conf.Mode, "output", "o", "", "output to file")
cmd.Aliases = append(cmd.Aliases, "d")
cmd.Aliases = append(cmd.Aliases, "rm")
return cmd
}
func Export(conf *cfg.Config) *cobra.Command {
var (
attr app.DbAttr
)
var cmd = &cobra.Command{
Use: "export [<json filename>]",
Short: "Export database to json",
Long: `Export database to json`,
RunE: func(cmd *cobra.Command, args []string) error {
// errors at this stage do not cause the usage to be shown
cmd.SilenceUsage = true
if len(args) == 0 {
attr.File = "-"
} else {
attr.File = args[0]
}
conf.Mode = "json"
entries, err := conf.DB.List(&attr)
if err != nil {
return err
}
return output.WriteFile(&attr, conf, entries)
},
}
cmd.Aliases = append(cmd.Aliases, "dump")
cmd.Aliases = append(cmd.Aliases, "backup")
return cmd
}
func List(conf *cfg.Config) *cobra.Command {
var (
attr app.DbAttr
wide bool
)
var cmd = &cobra.Command{
@@ -70,25 +177,66 @@ func List(conf *cfg.Config) *cobra.Command {
attr.Args = args
}
// turn comma list into slice, if needed
if len(attr.Tags) == 1 && strings.Contains(attr.Tags[0], ",") {
attr.Tags = strings.Split(attr.Tags[0], ",")
}
if wide {
conf.Mode = "wide"
}
entries, err := conf.DB.List(&attr)
if err != nil {
return err
}
output.List(os.Stdout, conf, entries)
return conf.DB.Close()
return output.List(os.Stdout, conf, entries)
},
}
cmd.PersistentFlags().StringVarP(&conf.Mode, "output-mode", "o", "", "output mode: wide, yaml, json, table")
cmd.PersistentFlags().StringVarP(&conf.Mode, "output-mode", "o", "", "output format (table|wide|json), wide is a verbose table. (default 'table')")
cmd.PersistentFlags().BoolVarP(&wide, "wide-output", "l", false, "output mode: wide")
cmd.PersistentFlags().BoolVarP(&conf.NoHeaders, "no-headers", "n", false, "omit headers in tables")
cmd.PersistentFlags().StringArrayVarP(&attr.Tags, "tags", "t", nil, "tags, multiple allowed")
cmd.Aliases = append(cmd.Aliases, "/")
cmd.Aliases = append(cmd.Aliases, "ls")
return cmd
}
func Find(conf *cfg.Config) *cobra.Command {
return nil
func Import(conf *cfg.Config) *cobra.Command {
var (
attr app.DbAttr
)
var cmd = &cobra.Command{
Use: "import [<json file>]",
Short: "Import database dump",
Long: `Import database dump`,
RunE: func(cmd *cobra.Command, args []string) error {
// errors at this stage do not cause the usage to be shown
cmd.SilenceUsage = true
if len(args) == 0 {
attr.File = "-"
} else {
attr.File = args[0]
}
return conf.DB.Import(&attr)
},
}
cmd.PersistentFlags().StringVarP(&attr.File, "file", "r", "", "Filename or - for STDIN")
cmd.PersistentFlags().StringArrayVarP(&attr.Tags, "tags", "t", nil, "tags, multiple allowed")
cmd.Aliases = append(cmd.Aliases, "add")
cmd.Aliases = append(cmd.Aliases, "s")
cmd.Aliases = append(cmd.Aliases, "+")
return cmd
}
func Help(conf *cfg.Config) *cobra.Command {

View File

@@ -22,7 +22,7 @@ func completion(cmd *cobra.Command, mode string) error {
case "powershell":
return cmd.Root().GenPowerShellCompletionWithDesc(os.Stdout)
default:
return errors.New("Invalid shell parameter! Valid ones: bash|zsh|fish|powershell")
return errors.New("invalid shell parameter! Valid ones: bash|zsh|fish|powershell")
}
}
@@ -59,7 +59,7 @@ func Execute() {
}
if len(args) == 0 {
return errors.New("No command specified!")
return errors.New("no command specified")
}
return nil
@@ -79,9 +79,10 @@ func Execute() {
rootCmd.AddCommand(Set(&conf))
rootCmd.AddCommand(List(&conf))
// rootCmd.AddCommand(Set(&conf))
// rootCmd.AddCommand(Del(&conf))
// rootCmd.AddCommand(Find(&conf))
rootCmd.AddCommand(Get(&conf))
rootCmd.AddCommand(Del(&conf))
rootCmd.AddCommand(Export(&conf))
rootCmd.AddCommand(Import(&conf))
// rootCmd.AddCommand(Help(&conf))
// rootCmd.AddCommand(Man(&conf))

2
go.mod
View File

@@ -4,6 +4,7 @@ go 1.22.1
require (
github.com/alecthomas/repr v0.4.0 // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/mattn/go-runewidth v0.0.9 // indirect
github.com/olekukonko/tablewriter v0.0.5 // indirect
@@ -11,4 +12,5 @@ require (
github.com/spf13/pflag v1.0.5 // indirect
go.etcd.io/bbolt v1.3.11 // indirect
golang.org/x/sys v0.28.0 // indirect
golang.org/x/term v0.27.0 // indirect
)

4
go.sum
View File

@@ -6,6 +6,8 @@ github.com/asdine/storm/v3 v3.2.1 h1:I5AqhkPK6nBZ/qJXySdI7ot5BlXSZ7qvDY1zAn5ZJac
github.com/asdine/storm/v3 v3.2.1/go.mod h1:LEpXwGt4pIqrE/XcTvCnZHT5MgZCV6Ub9q7yQzOFWr0=
github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
@@ -36,6 +38,8 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

25
main.go
View File

@@ -1,9 +1,34 @@
package main
import (
"bufio"
"fmt"
"os"
"runtime"
"github.com/inconshreveable/mousetrap"
"github.com/tlinden/anydb/cmd"
)
func main() {
cmd.Execute()
}
func init() {
// if we're running on Windows AND if the user double clicked the
// exe file from explorer, we tell them and then wait until any
// key has been hit, which will make the cmd window disappear and
// thus give the user time to read it.
if runtime.GOOS == "windows" {
if mousetrap.StartedByExplorer() {
fmt.Println("Please do no double click anydb.exe!")
fmt.Println("Please open a command shell and run it from there.")
fmt.Println()
fmt.Print("Press any key to quit: ")
_, err := bufio.NewReader(os.Stdin).ReadString('\n')
if err != nil {
panic(err)
}
}
}
}

View File

@@ -1,58 +0,0 @@
package output
import (
"fmt"
"io"
"strings"
"github.com/olekukonko/tablewriter"
"github.com/tlinden/anydb/app"
"github.com/tlinden/anydb/cfg"
)
func List(writer io.Writer, conf *cfg.Config, entries app.DbEntries) error {
// FIXME: call sort here
// FIXME: check output mode switch to subs
tableString := &strings.Builder{}
table := tablewriter.NewWriter(tableString)
if conf.Mode == "wide" {
table.SetHeader([]string{"KEY", "VALUE", "TAGS", "TIMESTAMP"})
} else {
table.SetHeader([]string{"KEY", "VALUE"})
}
for _, row := range entries {
if row.Value == "" {
row.Value = string(row.Bin)[0:60]
} else if len(row.Value) > 60 {
row.Value = row.Value[0:60]
}
if conf.Mode == "wide" {
table.Append([]string{row.Key, row.Value, strings.Join(row.Tags, ","), row.Created.Format("02.01.2006T03:04.05")})
} else {
table.Append([]string{row.Key, row.Value})
}
}
table.SetAutoWrapText(false)
table.SetAutoFormatHeaders(true)
table.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
table.SetAlignment(tablewriter.ALIGN_LEFT)
table.SetCenterSeparator("")
table.SetColumnSeparator("")
table.SetRowSeparator("")
table.SetHeaderLine(false)
table.SetBorder(false)
table.SetNoWhiteSpace(true)
table.SetTablePadding("\t") // pad with tabs
table.Render()
fmt.Fprint(writer, tableString.String())
return nil
}

100
output/list.go Normal file
View File

@@ -0,0 +1,100 @@
package output
import (
"encoding/json"
"errors"
"fmt"
"io"
"strings"
"github.com/dustin/go-humanize"
"github.com/olekukonko/tablewriter"
"github.com/tlinden/anydb/app"
"github.com/tlinden/anydb/cfg"
)
func List(writer io.Writer, conf *cfg.Config, entries app.DbEntries) error {
// FIXME: call sort here
switch conf.Mode {
case "wide":
fallthrough
case "":
fallthrough
case "table":
return ListTable(writer, conf, entries)
case "json":
return ListJson(writer, conf, entries)
default:
return errors.New("unsupported mode")
}
return nil
}
func ListJson(writer io.Writer, conf *cfg.Config, entries app.DbEntries) error {
jsonentries, err := json.Marshal(entries)
if err != nil {
return fmt.Errorf("json marshalling failure: %s", err)
}
fmt.Println(string(jsonentries))
return nil
}
func ListTable(writer io.Writer, conf *cfg.Config, entries app.DbEntries) error {
tableString := &strings.Builder{}
table := tablewriter.NewWriter(tableString)
if !conf.NoHeaders {
if conf.Mode == "wide" {
table.SetHeader([]string{"KEY", "TAGS", "SIZE", "AGE", "VALUE"})
} else {
table.SetHeader([]string{"KEY", "VALUE"})
}
}
for _, row := range entries {
size := len(row.Value)
if len(row.Bin) > 0 {
row.Value = "binary-content"
size = len(row.Bin)
}
if len(row.Value) > 60 {
row.Value = row.Value[0:60] + "..."
}
if conf.Mode == "wide" {
table.Append([]string{
row.Key,
strings.Join(row.Tags, ","),
humanize.Bytes(uint64(size)),
//row.Created.Format("02.01.2006T03:04.05"),
humanize.Time(row.Created),
row.Value,
})
} else {
table.Append([]string{row.Key, row.Value})
}
}
table.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
table.SetAutoWrapText(false)
table.SetAutoFormatHeaders(true)
table.SetAlignment(tablewriter.ALIGN_LEFT)
table.SetCenterSeparator("")
table.SetColumnSeparator("")
table.SetRowSeparator("")
table.SetHeaderLine(false)
table.SetBorder(false)
table.SetNoWhiteSpace(true)
table.SetTablePadding("\t") // pad with tabs
table.Render()
fmt.Fprint(writer, tableString.String())
return nil
}

60
output/single.go Normal file
View File

@@ -0,0 +1,60 @@
package output
import (
"fmt"
"io"
"os"
"strings"
"github.com/tlinden/anydb/app"
"github.com/tlinden/anydb/cfg"
"golang.org/x/term"
)
func Print(writer io.Writer, conf *cfg.Config, entry *app.DbEntry) error {
if conf.Mode != "" {
// consider this to be a file
fd, err := os.OpenFile(conf.Mode, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0755)
if err != nil {
return err
}
defer fd.Close()
if len(entry.Bin) > 0 {
// binary file content
_, err = fd.Write(entry.Bin)
} else {
val := entry.Value
if !strings.HasSuffix(val, "\n") {
// always add a terminal newline
val += "\n"
}
_, err = fd.Write([]byte(val))
}
if err != nil {
return err
}
return nil
}
isatty := term.IsTerminal(int(os.Stdout.Fd()))
if len(entry.Bin) > 0 {
if isatty {
fmt.Println("binary data omitted")
} else {
os.Stdout.Write(entry.Bin)
}
} else {
fmt.Print(entry.Value)
if !strings.HasSuffix(entry.Value, "\n") {
// always add a terminal newline
fmt.Println()
}
}
return nil
}

34
output/write.go Normal file
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@@ -0,0 +1,34 @@
package output
import (
"encoding/json"
"fmt"
"os"
"github.com/tlinden/anydb/app"
"github.com/tlinden/anydb/cfg"
)
func WriteFile(attr *app.DbAttr, conf *cfg.Config, entries app.DbEntries) error {
jsonentries, err := json.Marshal(entries)
if err != nil {
return fmt.Errorf("json marshalling failure: %s", err)
}
if attr.File == "-" {
fmt.Println(string(jsonentries))
} else {
fd, err := os.OpenFile(attr.File, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return err
}
if _, err := fd.Write(jsonentries); err != nil {
return err
}
fmt.Printf("database contents exported to %s\n", attr.File)
}
return nil
}