woodpecker/pipeline/rpc/line.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.
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package rpc
import (
"context"
"fmt"
"strings"
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"time"
"github.com/rs/zerolog/log"
"github.com/woodpecker-ci/woodpecker/pipeline/shared"
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)
// Identifies the type of line in the logs.
const (
LineStdout int = iota
LineStderr
LineExitCode
LineMetadata
LineProgress
)
// Line is a line of console output.
type Line struct {
Step string `json:"step,omitempty"`
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Time int64 `json:"time,omitempty"`
Type int `json:"type,omitempty"`
Pos int `json:"pos,omitempty"`
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Out string `json:"out,omitempty"`
}
func (l *Line) String() string {
switch l.Type {
case LineExitCode:
return fmt.Sprintf("[%s] exit code %s", l.Step, l.Out)
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default:
return fmt.Sprintf("[%s:L%v:%vs] %s", l.Step, l.Pos, l.Time, l.Out)
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}
}
// LineWriter sends logs to the client.
type LineWriter struct {
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peer Peer
id string
name string
num int
now time.Time
rep *strings.Replacer
lines []*Line
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}
// NewLineWriter returns a new line reader.
func NewLineWriter(peer Peer, id, name string, secret ...string) *LineWriter {
return &LineWriter{
peer: peer,
id: id,
name: name,
now: time.Now().UTC(),
rep: shared.NewSecretsReplacer(secret),
lines: nil,
}
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}
func (w *LineWriter) Write(p []byte) (n int, err error) {
out := string(p)
if w.rep != nil {
out = w.rep.Replace(out)
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}
log.Trace().Str("name", w.name).Str("ID", w.id).Msgf("grpc write line: %s", out)
line := &Line{
Out: out,
Step: w.name,
Pos: w.num,
Time: int64(time.Since(w.now).Seconds()),
Type: LineStdout,
}
if err := w.peer.Log(context.Background(), w.id, line); err != nil {
log.Error().Err(err).Msgf("fail to write pipeline log to peer '%s'", w.id)
}
w.num++
// for _, part := range bytes.Split(p, []byte{'\n'}) {
// line := &Line{
// Out: string(part),
// Step: w.name,
// Pos: w.num,
// Time: int64(time.Since(w.now).Seconds()),
// Type: LineStdout,
// }
// w.peer.Log(context.Background(), w.id, line)
// w.num++
// }
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w.lines = append(w.lines, line)
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return len(p), nil
}
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// Lines returns the line history
func (w *LineWriter) Lines() []*Line {
return w.lines
}
// Clear clears the line history
func (w *LineWriter) Clear() {
w.lines = w.lines[:0]
}