103 lines
2.3 KiB
Go
103 lines
2.3 KiB
Go
// Copyright 2020 Coinbase, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package bitcoin
|
|
|
|
import (
|
|
"bufio"
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"os/exec"
|
|
"strings"
|
|
|
|
"github.com/coinbase/rosetta-bitcoin/utils"
|
|
|
|
"golang.org/x/sync/errgroup"
|
|
)
|
|
|
|
const (
|
|
bitcoindLogger = "bitcoind"
|
|
bitcoindStdErrLogger = "bitcoind stderr"
|
|
)
|
|
|
|
func logPipe(ctx context.Context, pipe io.ReadCloser, identifier string) error {
|
|
logger := utils.ExtractLogger(ctx, identifier)
|
|
reader := bufio.NewReader(pipe)
|
|
for {
|
|
str, err := reader.ReadString('\n')
|
|
if err != nil {
|
|
logger.Warnw("closing logger", "error", err)
|
|
return err
|
|
}
|
|
|
|
message := strings.Replace(str, "\n", "", -1)
|
|
messages := strings.SplitAfterN(message, " ", 2)
|
|
|
|
// Trim the timestamp from the log if it exists
|
|
if len(messages) > 1 {
|
|
message = messages[1]
|
|
}
|
|
|
|
// Print debug log if from bitcoindLogger
|
|
if identifier == bitcoindLogger {
|
|
logger.Debugw(message)
|
|
continue
|
|
}
|
|
|
|
logger.Warnw(message)
|
|
}
|
|
}
|
|
|
|
// StartBitcoind starts a bitcoind daemon in another goroutine
|
|
// and logs the results to the console.
|
|
func StartBitcoind(ctx context.Context, configPath string, g *errgroup.Group) error {
|
|
logger := utils.ExtractLogger(ctx, "bitcoind")
|
|
cmd := exec.Command(
|
|
"/app/bitcoind",
|
|
fmt.Sprintf("--conf=%s", configPath),
|
|
) // #nosec G204
|
|
|
|
stdout, err := cmd.StdoutPipe()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
stderr, err := cmd.StderrPipe()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
g.Go(func() error {
|
|
return logPipe(ctx, stdout, bitcoindLogger)
|
|
})
|
|
|
|
g.Go(func() error {
|
|
return logPipe(ctx, stderr, bitcoindStdErrLogger)
|
|
})
|
|
|
|
if err := cmd.Start(); err != nil {
|
|
return fmt.Errorf("%w: unable to start bitcoind", err)
|
|
}
|
|
|
|
g.Go(func() error {
|
|
<-ctx.Done()
|
|
|
|
logger.Warnw("sending interrupt to bitcoind")
|
|
return cmd.Process.Signal(os.Interrupt)
|
|
})
|
|
|
|
return cmd.Wait()
|
|
}
|