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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>
108 lines
2.7 KiB
Go
108 lines
2.7 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 components
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import (
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"fmt"
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"slices"
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"github.com/rivo/tview"
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"github.com/siderolabs/talos/internal/pkg/dashboard/resourcedata"
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"github.com/siderolabs/talos/pkg/machinery/resources/runtime"
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)
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// Diagnostics represents the diagnostics widget.
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type Diagnostics struct {
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tview.Grid
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hline *HorizontalLine
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info *tview.TextView
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selectedNode string
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perNodeWarnings map[string][]*runtime.Diagnostic
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}
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// NewDiagnostics initializes Diagnostics.
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func NewDiagnostics() *Diagnostics {
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widget := &Diagnostics{
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Grid: *tview.NewGrid(),
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info: tview.NewTextView(),
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hline: NewHorizontalLine("Diagnostics"),
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perNodeWarnings: make(map[string][]*runtime.Diagnostic),
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}
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widget.info.
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SetDynamicColors(true).
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SetBorderPadding(0, 0, 1, 1)
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widget.SetRows(1, 0).SetColumns(0)
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widget.AddItem(widget.hline, 0, 0, 1, 1, 0, 0, false)
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widget.AddItem(widget.info, 1, 0, 1, 1, 0, 0, false)
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return widget
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}
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// GetCurrentHeight returns the height of the widget.
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func (widget *Diagnostics) GetCurrentHeight() int {
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numWarnings := len(widget.perNodeWarnings[widget.selectedNode])
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if numWarnings == 0 {
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return 0
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}
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return 1 + numWarnings
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}
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// OnNodeSelect implements the NodeSelectListener interface.
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func (widget *Diagnostics) OnNodeSelect(node string) {
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if node != widget.selectedNode {
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widget.selectedNode = node
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widget.redraw()
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}
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}
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// OnResourceDataChange implements the ResourceDataListener interface.
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func (widget *Diagnostics) OnResourceDataChange(data resourcedata.Data) {
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r, ok := data.Resource.(*runtime.Diagnostic)
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if !ok {
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return
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}
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idx := slices.IndexFunc(widget.perNodeWarnings[data.Node], func(warning *runtime.Diagnostic) bool {
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return warning.Metadata().ID() == r.Metadata().ID()
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})
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if data.Deleted {
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if idx != -1 {
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widget.perNodeWarnings[data.Node] = slices.Delete(widget.perNodeWarnings[data.Node], idx, idx+1)
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}
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} else {
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if idx == -1 {
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widget.perNodeWarnings[data.Node] = append(widget.perNodeWarnings[data.Node], r)
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} else {
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widget.perNodeWarnings[data.Node][idx] = r
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}
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}
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if data.Node == widget.selectedNode {
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widget.redraw()
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}
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}
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// WriteLog writes the log line to the widget.
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func (widget *Diagnostics) redraw() {
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widget.info.SetWrap(true)
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widget.info.Clear()
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for _, warning := range widget.perNodeWarnings[widget.selectedNode] {
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widget.info.Write([]byte(fmt.Sprintf("■ (%s) [red]%s[-]\n", //nolint:errcheck
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tview.Escape(warning.TypedSpec().DocumentationURL(warning.Metadata().ID())),
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tview.Escape(warning.TypedSpec().Message))),
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)
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}
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}
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