df52c13581
That's the recommended syntax: https://golangci-lint.run/usage/false-positives/ Signed-off-by: Alexey Palazhchenko <alexey.palazhchenko@gmail.com>
99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
package cluster
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/talos-systems/talos/pkg/machinery/api/common"
|
|
"github.com/talos-systems/talos/pkg/machinery/client"
|
|
"github.com/talos-systems/talos/pkg/machinery/constants"
|
|
)
|
|
|
|
// APICrashDumper collects crash dump via Talos API.
|
|
type APICrashDumper struct {
|
|
ClientProvider
|
|
Info
|
|
}
|
|
|
|
// DefaultServiceLogTailLines specifies number of log lines to tail from each service.
|
|
const DefaultServiceLogTailLines = 100
|
|
|
|
// LogLinesPerService customizes defaults for specific services.
|
|
var LogLinesPerService = map[string]int32{
|
|
"etcd": 5000,
|
|
}
|
|
|
|
// CrashDump produces information to help with debugging.
|
|
//
|
|
// CrashDump implements CrashDumper interface.
|
|
//
|
|
//nolint:gocyclo
|
|
func (s *APICrashDumper) CrashDump(ctx context.Context, out io.Writer) {
|
|
cli, err := s.Client()
|
|
if err != nil {
|
|
fmt.Fprintf(out, "error creating crashdump: %s\n", err)
|
|
|
|
return
|
|
}
|
|
|
|
for _, node := range s.Nodes() {
|
|
func(node string) {
|
|
nodeCtx, nodeCtxCancel := context.WithTimeout(client.WithNodes(ctx, node), 30*time.Second)
|
|
defer nodeCtxCancel()
|
|
|
|
fmt.Fprintf(out, "\n%s\n%s\n\n", node, strings.Repeat("=", len(node)))
|
|
|
|
services, err := cli.ServiceList(nodeCtx)
|
|
if err != nil {
|
|
fmt.Fprintf(out, "error getting services: %s\n", err)
|
|
|
|
return
|
|
}
|
|
|
|
for _, msg := range services.Messages {
|
|
for _, svc := range msg.Services {
|
|
logLines, ok := LogLinesPerService[svc.Id]
|
|
if !ok {
|
|
logLines = DefaultServiceLogTailLines
|
|
}
|
|
|
|
stream, err := cli.Logs(nodeCtx, constants.SystemContainerdNamespace, common.ContainerDriver_CONTAINERD, svc.Id, false, logLines)
|
|
if err != nil {
|
|
fmt.Fprintf(out, "error getting service logs for %s: %s\n", svc.Id, err)
|
|
|
|
continue
|
|
}
|
|
|
|
r, errCh, err := client.ReadStream(stream)
|
|
if err != nil {
|
|
fmt.Fprintf(out, "error getting service logs for %s: %s\n", svc.Id, err)
|
|
|
|
continue
|
|
}
|
|
|
|
fmt.Fprintf(out, "\n> %s\n%s\n\n", svc.Id, strings.Repeat("-", len(svc.Id)+2))
|
|
|
|
_, err = io.Copy(out, r)
|
|
if err != nil {
|
|
fmt.Fprintf(out, "error streaming service logs: %s\n", err)
|
|
}
|
|
|
|
err = <-errCh
|
|
if err != nil {
|
|
fmt.Fprintf(out, "error streaming service logs: %s\n", err)
|
|
}
|
|
|
|
r.Close() //nolint:errcheck
|
|
}
|
|
}
|
|
}(node)
|
|
}
|
|
}
|