linsk/cmd/clean.go
2023-08-31 20:10:26 +01:00

70 lines
1.9 KiB
Go

package cmd
import (
"bufio"
"fmt"
"log/slog"
"os"
"strings"
"github.com/AlexSSD7/linsk/nettap"
"github.com/AlexSSD7/linsk/utils"
"github.com/spf13/cobra"
)
var cleanCmd = &cobra.Command{
Use: "clean",
Short: "Remove the Linsk data directory.",
Run: func(cmd *cobra.Command, args []string) {
store := createStoreOrExit()
if nettap.Available() {
tm, err := nettap.NewTapManager(slog.With("caller", "nettap-manager"))
if err != nil {
slog.Error("Failed to create network tap manager, will not attempt to remove dangling tap interfaces", "error", err.Error())
} else {
tapAllocs, err := store.ListNetTapAllocations()
if err != nil {
slog.Error("Failed to list net tap allocations, will not attempt to remove dangling tap interfaces", "error", err.Error())
} else {
removed, err := tm.PruneTaps(tapAllocs)
if err != nil {
slog.Error("Failed to prune dangling network taps", "error", err.Error())
} else if len(removed) > 0 {
slog.Info("Removed dangling network taps", "count", len(removed))
}
for _, removedTapName := range removed {
err = store.ReleaseNetTapAllocation(removedTapName)
if err != nil {
slog.Error("Failed to release removed network tap allocation", "error", err.Error(), "name", removedTapName)
}
}
}
}
}
rmPath := store.DataDirPath()
fmt.Fprintf(os.Stderr, "Will permanently remove '"+rmPath+"'. Proceed? (y/n) > ")
reader := bufio.NewReader(os.Stdin)
answer, err := reader.ReadBytes('\n')
if err != nil {
slog.Error("Failed to read answer", "error", err.Error())
os.Exit(1)
}
if utils.ClearUnprintableChars(strings.ToLower(string(answer)), false) != "y" {
fmt.Fprintf(os.Stderr, "Aborted.\n")
os.Exit(2)
}
err = os.RemoveAll(rmPath)
if err != nil {
slog.Error("Failed to remove all", "error", err.Error(), "path", rmPath)
os.Exit(1)
}
slog.Info("Deleted data directory", "path", rmPath)
},
}