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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"github.com/spf13/cobra"
"github.com/algorand/go-algorand/cmd/util/datadir"
"github.com/algorand/go-algorand/nodecontrol"
"github.com/algorand/go-algorand/util"
)
var kmdTimeoutSecs uint64
func init() {
kmdCmd.AddCommand(startKMDCmd)
startKMDCmd.Flags().Uint64VarP(&kmdTimeoutSecs, "timeout", "t", 0, "Number of seconds after which to shut down kmd if there are no requests; 0 means no timeout")
kmdCmd.AddCommand(stopKMDCmd)
}
var kmdCmd = &cobra.Command{
Use: "kmd",
Short: "Interact with kmd, the key management daemon",
Long: `Interact with kmd, the key management daemon. The key management daemon is a separate process from algod that is solely responsible for key management.`,
Args: validateNoPosArgsFn,
Run: func(cmd *cobra.Command, args []string) {
cmd.HelpFunc()(cmd, args)
},
}
func startKMDForDataDir(binDir, algodDataDir, kmdDataDir string) {
nc := nodecontrol.MakeNodeController(binDir, algodDataDir)
nc.SetKMDDataDir(kmdDataDir)
nc.StopKMD()
kmdArgs := nodecontrol.KMDStartArgs{
TimeoutSecs: kmdTimeoutSecs,
}
kmdAlreadyRunning, err := nc.StartKMD(kmdArgs)
if err != nil {
reportErrorf(errorKMDFailedToStart, err)
}
if kmdAlreadyRunning {
reportInfoln(infoKMDAlreadyStarted)
} else {
reportInfoln(infoKMDStarted)
}
}
var startKMDCmd = &cobra.Command{
Use: "start",
Short: "Start the kmd process, or restart it with an updated timeout",
Args: validateNoPosArgsFn,
Run: func(cmd *cobra.Command, args []string) {
binDir, err := util.ExeDir()
if err != nil {
panic(err)
}
datadir.OnDataDirs(func(dataDir string) {
kdd := resolveKmdDataDir(dataDir)
startKMDForDataDir(binDir, dataDir, kdd)
})
},
}
var stopKMDCmd = &cobra.Command{
Use: "stop",
Short: "Stop the kmd process if it is running",
Args: validateNoPosArgsFn,
Run: func(cmd *cobra.Command, args []string) {
binDir, err := util.ExeDir()
if err != nil {
panic(err)
}
datadir.OnDataDirs(func(dataDir string) {
nc := nodecontrol.MakeNodeController(binDir, dataDir)
kdd := resolveKmdDataDir(dataDir)
nc.SetKMDDataDir(kdd)
kmdAlreadyStopped, err := nc.StopKMD()
if err != nil {
reportErrorf(errorKMDFailedToStop, err)
}
if kmdAlreadyStopped {
reportInfoln(infoKMDAlreadyStopped)
} else {
reportInfoln(infoKMDStopped)
}
})
},
}
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