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fix: Write agent logs to "/tmp/coder-agent.log" for debugging (#1239)

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It was difficult to obtain logs for the agent if it failed to
start for some reason. Now they'll go to a consistent spot!
This commit is contained in:
Kyle Carberry
2022-05-02 11:36:51 -05:00
committed by GitHub
parent c2b5009208
commit e531c0930c
4 changed files with 17 additions and 12 deletions
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12
agent/agent.go
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@ -12,6 +12,7 @@ import (
"os"
"os/exec"
"os/user"
"path/filepath"
"runtime"
"strconv"
"strings"
@ -21,7 +22,6 @@ import (
"github.com/armon/circbuf"
"github.com/google/uuid"
gsyslog "github.com/hashicorp/go-syslog"
"go.uber.org/atomic"
"cdr.dev/slog"
@ -166,15 +166,9 @@ func (*agent) runStartupScript(ctx context.Context, script string) error {
return xerrors.Errorf("get user shell: %w", err)
}
var writer io.WriteCloser
// Attempt to use the syslog to write startup information.
writer, err = gsyslog.NewLogger(gsyslog.LOG_INFO, "USER", "coder-startup-script")
writer, err := os.OpenFile(filepath.Join(os.TempDir(), "coder-startup-script.log"), os.O_CREATE|os.O_RDWR, 0600)
if err != nil {
// If the syslog isn't supported or cannot be created, use a text file in temp.
writer, err = os.CreateTemp("", "coder-startup-script-*.txt")
if err != nil {
return xerrors.Errorf("open startup script log file: %w", err)
}
return xerrors.Errorf("open startup script log file: %w", err)
}
defer func() {
_ = writer.Close()