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https://github.com/siderolabs/talos.git
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96aa9638f7
There's a cyclic dependency on siderolink library which imports talos machinery back. We will fix that after we get talos pushed under a new name. Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package cluster
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import (
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"context"
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"fmt"
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"io"
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"strings"
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"time"
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"github.com/siderolabs/talos/pkg/machinery/api/common"
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"github.com/siderolabs/talos/pkg/machinery/client"
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"github.com/siderolabs/talos/pkg/machinery/constants"
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)
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// APICrashDumper collects crash dump via Talos API.
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type APICrashDumper struct {
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ClientProvider
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Info
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}
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// DefaultServiceLogTailLines specifies number of log lines to tail from each service.
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const DefaultServiceLogTailLines = 100
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// LogLinesPerService customizes defaults for specific services.
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var LogLinesPerService = map[string]int32{
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"etcd": 5000,
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}
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// CrashDump produces information to help with debugging.
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//
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// CrashDump implements CrashDumper interface.
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//
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//nolint:gocyclo
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func (s *APICrashDumper) CrashDump(ctx context.Context, out io.Writer) {
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cli, err := s.Client()
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if err != nil {
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fmt.Fprintf(out, "error creating crashdump: %s\n", err)
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return
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}
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nodes := s.Nodes()
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for _, node := range nodes {
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func(node NodeInfo) {
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nodeIP := node.InternalIP.String()
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nodeCtx, nodeCtxCancel := context.WithTimeout(client.WithNodes(ctx, nodeIP), 30*time.Second)
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defer nodeCtxCancel()
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fmt.Fprintf(out, "\n%s\n%s\n\n", node, strings.Repeat("=", len(nodeIP)))
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services, err := cli.ServiceList(nodeCtx)
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if err != nil {
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fmt.Fprintf(out, "error getting services: %s\n", err)
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return
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}
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for _, msg := range services.Messages {
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for _, svc := range msg.Services {
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logLines, ok := LogLinesPerService[svc.Id]
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if !ok {
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logLines = DefaultServiceLogTailLines
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}
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stream, err := cli.Logs(nodeCtx, constants.SystemContainerdNamespace, common.ContainerDriver_CONTAINERD, svc.Id, false, logLines)
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if err != nil {
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fmt.Fprintf(out, "error getting service logs for %s: %s\n", svc.Id, err)
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continue
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}
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r, errCh, err := client.ReadStream(stream)
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if err != nil {
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fmt.Fprintf(out, "error getting service logs for %s: %s\n", svc.Id, err)
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continue
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}
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fmt.Fprintf(out, "\n> %s\n%s\n\n", svc.Id, strings.Repeat("-", len(svc.Id)+2))
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_, err = io.Copy(out, r)
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if err != nil {
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fmt.Fprintf(out, "error streaming service logs: %s\n", err)
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}
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err = <-errCh
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if err != nil {
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fmt.Fprintf(out, "error streaming service logs: %s\n", err)
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}
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r.Close() //nolint:errcheck
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}
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}
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}(node)
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}
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}
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