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https://github.com/siderolabs/talos.git
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45cc8688a1
Simplify code where possible. Signed-off-by: Dmitriy Matrenichev <dmitry.matrenichev@siderolabs.com>
104 lines
2.1 KiB
Go
104 lines
2.1 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 components implements specific widgets for the dashboard.
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package components
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import (
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"fmt"
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"strings"
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"github.com/siderolabs/gen/xslices"
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)
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const (
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noData = "..."
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notAvailable = "n/a"
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none = "<none>"
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maxLogLines = 1000
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)
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// field represents a field in a widget consist of a name and a value, rendered next to each other.
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type field struct {
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Name string
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Value string
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}
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func (f *field) render(nameWidth int) string {
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return fmt.Sprintf("[::b]%s[::-] %s", padRight(f.Name, nameWidth), f.Value)
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}
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type fieldGroup struct {
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fields []field
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}
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// String implements the Stringer interface.
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func (fg *fieldGroup) String() string {
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width := fg.maxFieldNameLength()
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return strings.Join(
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xslices.Map(fg.fields, func(t field) string {
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return t.render(width)
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}),
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"\n",
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)
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}
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func (fg *fieldGroup) maxFieldNameLength() int {
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result := 0
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for _, f := range fg.fields {
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result = max(result, len(f.Name))
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}
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return result
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}
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// padRight pads a string to the specified width by appending spaces to the end.
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func padRight(s string, width int) string {
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return fmt.Sprintf("%-*s", width, s)
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}
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func toHealthStatus(healthy bool) string {
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if healthy {
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return formatStatus("Healthy")
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}
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return formatStatus("Unhealthy")
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}
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func formatStatus(status any) string {
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statusStr := capitalizeFirst(fmt.Sprintf("%v", status))
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switch strings.ToLower(statusStr) {
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case "running", "healthy", "true":
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return formatText(statusStr, true)
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case "stopped", "unhealthy", "false":
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return formatText(statusStr, false)
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default:
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return statusStr
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}
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}
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func formatText(text string, ok bool) string {
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if text == "" {
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return ""
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}
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if ok {
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return fmt.Sprintf("[green]√ %s[-]", text)
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}
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return fmt.Sprintf("[red]× %s[-]", text)
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}
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// capitalizeFirst capitalizes the first character of string.
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func capitalizeFirst(s string) string {
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if s == "" {
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return s
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}
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return strings.ToUpper(string(s[0])) + strings.ToLower(s[1:])
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}
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