frostfs-node/cmd/frostfs-lens/internal/meta/tui.go

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package meta
import (
"context"
"fmt"
common "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-lens/internal"
schema "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-lens/internal/schema/metabase"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-lens/internal/tui"
"github.com/rivo/tview"
"github.com/spf13/cobra"
"go.etcd.io/bbolt"
)
var tuiCMD = &cobra.Command{
Use: "explore",
Short: "Metabase exploration with a terminal UI",
Long: `Launch a terminal UI to explore metabase and search for data.
Available search filters:
- cid CID
- oid OID
- addr CID/OID
- attr key[/value]
`,
Run: tuiFunc,
}
var initialPrompt string
func init() {
common.AddComponentPathFlag(tuiCMD, &vPath)
tuiCMD.Flags().StringVar(
&initialPrompt,
"filter",
"",
"Filter prompt to start with, format 'tag:value [+ tag:value]...'",
)
}
func tuiFunc(cmd *cobra.Command, _ []string) {
common.ExitOnErr(cmd, runTUI(cmd))
}
func runTUI(cmd *cobra.Command) error {
db, err := openDB(false)
if err != nil {
return fmt.Errorf("couldn't open database: %w", err)
}
defer db.Close()
// Need if app was stopped with Ctrl-C.
ctx, cancel := context.WithCancel(cmd.Context())
defer cancel()
app := tview.NewApplication()
ui := tui.NewUI(ctx, app, db, schema.MetabaseParser, nil)
_ = ui.AddFilter("cid", tui.CIDParser, "CID")
_ = ui.AddFilter("oid", tui.OIDParser, "OID")
_ = ui.AddCompositeFilter("addr", tui.AddressParser, "CID/OID")
_ = ui.AddCompositeFilter("attr", tui.AttributeParser, "key[/value]")
err = ui.WithPrompt(initialPrompt)
if err != nil {
return fmt.Errorf("invalid filter prompt: %w", err)
}
app.SetRoot(ui, true).SetFocus(ui)
return app.Run()
}
func openDB(writable bool) (*bbolt.DB, error) {
db, err := bbolt.Open(vPath, 0o600, &bbolt.Options{
ReadOnly: !writable,
})
if err != nil {
return nil, err
}
return db, nil
}