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https://github.com/siderolabs/talos.git
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8dbe2128a9
Talos diagnostics analyzes current system state and comes up with detailed warnings on the system misconfiguration which might be tricky to figure out other way. Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
115 lines
3.1 KiB
Go
115 lines
3.1 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 runtime
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import (
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"context"
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"fmt"
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"time"
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"github.com/cosi-project/runtime/pkg/controller"
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"github.com/cosi-project/runtime/pkg/safe"
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"go.uber.org/zap"
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"github.com/siderolabs/talos/pkg/machinery/resources/runtime"
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)
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// DiagnosticsLoggerController logs warnings generated by DiagnosticsController.
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type DiagnosticsLoggerController struct{}
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// Name implements controller.Controller interface.
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func (ctrl *DiagnosticsLoggerController) Name() string {
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return "runtime.DiagnosticsLoggerController"
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}
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// Inputs implements controller.Controller interface.
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func (ctrl *DiagnosticsLoggerController) Inputs() []controller.Input {
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return []controller.Input{
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{
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Namespace: runtime.NamespaceName,
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Type: runtime.DiagnosticType,
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Kind: controller.InputWeak,
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},
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}
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}
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// Outputs implements controller.Controller interface.
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func (ctrl *DiagnosticsLoggerController) Outputs() []controller.Output {
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return nil
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}
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const diagnosticsReportInterval = 5 * time.Minute
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// Run implements controller.Controller interface.
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//
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//nolint:gocyclo
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func (ctrl *DiagnosticsLoggerController) Run(ctx context.Context, r controller.Runtime, logger *zap.Logger) error {
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reportedWarnings := map[string]struct{}{}
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ticker := time.NewTicker(diagnosticsReportInterval)
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defer ticker.Stop()
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for {
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select {
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case <-ctx.Done():
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return nil
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case <-r.EventCh():
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warnings, err := safe.ReaderListAll[*runtime.Diagnostic](ctx, r)
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if err != nil {
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return fmt.Errorf("error listing diagnostics: %w", err)
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}
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seenWarnings := map[string]struct{}{}
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for iter := warnings.Iterator(); iter.Next(); {
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warning := iter.Value()
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seenWarnings[warning.Metadata().ID()] = struct{}{}
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if _, reported := reportedWarnings[warning.Metadata().ID()]; !reported {
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logger.Warn("new diagnostic",
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zap.String("id", warning.Metadata().ID()),
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zap.String("message", warning.TypedSpec().Message),
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zap.Strings("details", warning.TypedSpec().Details),
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zap.String("url", warning.TypedSpec().DocumentationURL(warning.Metadata().ID())),
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)
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reportedWarnings[warning.Metadata().ID()] = struct{}{}
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}
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}
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for id := range reportedWarnings {
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if _, seen := seenWarnings[id]; !seen {
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logger.Info("diagnostic resolved", zap.String("id", id))
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delete(reportedWarnings, id)
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}
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}
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case <-ticker.C:
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if len(reportedWarnings) == 0 {
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continue
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}
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warnings, err := safe.ReaderListAll[*runtime.Diagnostic](ctx, r)
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if err != nil {
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return fmt.Errorf("error listing diagnostics: %w", err)
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}
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for iter := warnings.Iterator(); iter.Next(); {
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warning := iter.Value()
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logger.Warn("diagnostic still active",
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zap.String("id", warning.Metadata().ID()),
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zap.String("message", warning.TypedSpec().Message),
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zap.Strings("details", warning.TypedSpec().Details),
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zap.String("url", warning.TypedSpec().DocumentationURL(warning.Metadata().ID())),
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)
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}
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}
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r.ResetRestartBackoff()
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}
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}
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