woodpecker/pipeline/rpc/log_entry.go

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// Copyright 2022 Woodpecker Authors
// Copyright 2011 Drone.IO 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 rpc
import (
"context"
"fmt"
"strings"
"time"
"github.com/rs/zerolog/log"
"github.com/woodpecker-ci/woodpecker/pipeline/shared"
)
// Identifies the type of line in the logs.
const (
LogEntryStdout int = iota
LogEntryStderr
LogEntryExitCode
LogEntryMetadata
LogEntryProgress
)
// Line is a line of console output.
type LogEntry struct {
StepUUID string `json:"step_uuid,omitempty"`
Time int64 `json:"time,omitempty"`
Type int `json:"type,omitempty"`
Line int `json:"line,omitempty"`
Data string `json:"data,omitempty"`
}
func (l *LogEntry) String() string {
switch l.Type {
case LogEntryExitCode:
return fmt.Sprintf("[%s] exit code %s", l.StepUUID, l.Data)
default:
return fmt.Sprintf("[%s:L%v:%vs] %s", l.StepUUID, l.Line, l.Time, l.Data)
}
}
// LineWriter sends logs to the client.
type LineWriter struct {
peer Peer
stepUUID string
num int
now time.Time
rep *strings.Replacer
lines []*LogEntry
}
// NewLineWriter returns a new line reader.
func NewLineWriter(peer Peer, stepUUID string, secret ...string) *LineWriter {
return &LineWriter{
peer: peer,
stepUUID: stepUUID,
now: time.Now().UTC(),
rep: shared.NewSecretsReplacer(secret),
lines: nil,
}
}
func (w *LineWriter) Write(p []byte) (n int, err error) {
data := string(p)
if w.rep != nil {
data = w.rep.Replace(data)
}
log.Trace().Str("step-uuid", w.stepUUID).Msgf("grpc write line: %s", data)
line := &LogEntry{
Data: data,
StepUUID: w.stepUUID,
Time: int64(time.Since(w.now).Seconds()),
Type: LogEntryStdout,
Line: w.num,
}
if err := w.peer.Log(context.Background(), line); err != nil {
log.Error().Err(err).Str("step-uuid", w.stepUUID).Msg("fail to write pipeline log to peer")
}
w.num++
w.lines = append(w.lines, line)
return len(p), nil
}
// Lines returns the line history
func (w *LineWriter) Lines() []*LogEntry {
return w.lines
}
// Clear clears the line history
func (w *LineWriter) Clear() {
w.lines = w.lines[:0]
}