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interactive_results.go
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/
interactive_results.go
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package cli
import (
"fmt"
"io/ioutil"
"os"
"path"
"strings"
"time"
"github.com/pkg/errors"
ui "github.com/replicatedhq/termui/v3"
"github.com/replicatedhq/termui/v3/widgets"
"github.com/replicatedhq/troubleshoot/cmd/util"
analyzerunner "github.com/replicatedhq/troubleshoot/pkg/analyze"
)
var (
selectedResult = 0
table = widgets.NewTable()
isShowingSaved = false
)
func showInteractiveResults(preflightName string, analyzeResults []*analyzerunner.AnalyzeResult) error {
if err := ui.Init(); err != nil {
return errors.Wrap(err, "failed to create terminal ui")
}
defer ui.Close()
drawUI(preflightName, analyzeResults)
uiEvents := ui.PollEvents()
for {
select {
case e := <-uiEvents:
switch e.ID {
case "<C-c>":
return nil
case "q":
if isShowingSaved == true {
isShowingSaved = false
ui.Clear()
drawUI(preflightName, analyzeResults)
} else {
return nil
}
case "s":
filename, err := save(preflightName, analyzeResults)
if err != nil {
// show
} else {
showSaved(filename)
go func() {
time.Sleep(time.Second * 5)
isShowingSaved = false
ui.Clear()
drawUI(preflightName, analyzeResults)
}()
}
case "<Resize>":
ui.Clear()
drawUI(preflightName, analyzeResults)
case "<Down>":
if selectedResult < len(analyzeResults)-1 {
selectedResult++
} else {
selectedResult = 0
table.SelectedRow = 0
}
table.ScrollDown()
ui.Clear()
drawUI(preflightName, analyzeResults)
case "<Up>":
if selectedResult > 0 {
selectedResult--
} else {
selectedResult = len(analyzeResults) - 1
table.SelectedRow = len(analyzeResults)
}
table.ScrollUp()
ui.Clear()
drawUI(preflightName, analyzeResults)
}
}
}
}
func drawUI(preflightName string, analyzeResults []*analyzerunner.AnalyzeResult) {
drawGrid(analyzeResults)
drawHeader(preflightName)
drawFooter()
}
func drawGrid(analyzeResults []*analyzerunner.AnalyzeResult) {
drawPreflightTable(analyzeResults)
drawDetails(analyzeResults[selectedResult])
}
func drawHeader(preflightName string) {
termWidth, _ := ui.TerminalDimensions()
title := widgets.NewParagraph()
title.Text = fmt.Sprintf("%s Preflight Checks", appName(preflightName))
title.TextStyle.Fg = ui.ColorWhite
title.TextStyle.Bg = ui.ColorClear
title.TextStyle.Modifier = ui.ModifierBold
title.Border = false
left := termWidth/2 - 2*len(title.Text)/3
right := termWidth/2 + (termWidth/2 - left)
title.SetRect(left, 0, right, 1)
ui.Render(title)
}
func drawFooter() {
termWidth, termHeight := ui.TerminalDimensions()
instructions := widgets.NewParagraph()
instructions.Text = "[q] quit [s] save [↑][↓] scroll"
instructions.Border = false
left := 0
right := termWidth
top := termHeight - 1
bottom := termHeight
instructions.SetRect(left, top, right, bottom)
ui.Render(instructions)
}
func drawPreflightTable(analyzeResults []*analyzerunner.AnalyzeResult) {
termWidth, termHeight := ui.TerminalDimensions()
table.SetRect(0, 3, termWidth/2, termHeight-6)
table.FillRow = true
table.Border = true
table.Rows = [][]string{}
table.ColumnWidths = []int{termWidth}
for i, analyzeResult := range analyzeResults {
title := analyzeResult.Title
if analyzeResult.IsPass {
title = fmt.Sprintf("✔ %s", title)
} else if analyzeResult.IsWarn {
title = fmt.Sprintf("⚠️ %s", title)
} else if analyzeResult.IsFail {
title = fmt.Sprintf("✘ %s", title)
}
table.Rows = append(table.Rows, []string{
title,
})
if analyzeResult.IsPass {
if i == selectedResult {
table.RowStyles[i] = ui.NewStyle(ui.ColorGreen, ui.ColorClear, ui.ModifierReverse)
} else {
table.RowStyles[i] = ui.NewStyle(ui.ColorGreen, ui.ColorClear)
}
} else if analyzeResult.IsWarn {
if i == selectedResult {
table.RowStyles[i] = ui.NewStyle(ui.ColorYellow, ui.ColorClear, ui.ModifierReverse)
} else {
table.RowStyles[i] = ui.NewStyle(ui.ColorYellow, ui.ColorClear)
}
} else if analyzeResult.IsFail {
if i == selectedResult {
table.RowStyles[i] = ui.NewStyle(ui.ColorRed, ui.ColorClear, ui.ModifierReverse)
} else {
table.RowStyles[i] = ui.NewStyle(ui.ColorRed, ui.ColorClear)
}
}
}
ui.Render(table)
}
func drawDetails(analysisResult *analyzerunner.AnalyzeResult) {
termWidth, _ := ui.TerminalDimensions()
currentTop := 4
title := widgets.NewParagraph()
title.Text = analysisResult.Title
title.Border = false
if analysisResult.IsPass {
title.TextStyle = ui.NewStyle(ui.ColorGreen, ui.ColorClear, ui.ModifierBold)
} else if analysisResult.IsWarn {
title.TextStyle = ui.NewStyle(ui.ColorYellow, ui.ColorClear, ui.ModifierBold)
} else if analysisResult.IsFail {
title.TextStyle = ui.NewStyle(ui.ColorRed, ui.ColorClear, ui.ModifierBold)
}
height := estimateNumberOfLines(title.Text, termWidth/2)
title.SetRect(termWidth/2, currentTop, termWidth, currentTop+height)
ui.Render(title)
currentTop = currentTop + height + 1
message := widgets.NewParagraph()
message.Text = analysisResult.Message
message.Border = false
height = estimateNumberOfLines(message.Text, termWidth/2) + 2
message.SetRect(termWidth/2, currentTop, termWidth, currentTop+height)
ui.Render(message)
currentTop = currentTop + height + 1
if analysisResult.URI != "" {
uri := widgets.NewParagraph()
uri.Text = fmt.Sprintf("For more information: %s", analysisResult.URI)
uri.Border = false
height = estimateNumberOfLines(uri.Text, termWidth/2)
uri.SetRect(termWidth/2, currentTop, termWidth, currentTop+height)
ui.Render(uri)
currentTop = currentTop + height + 1
}
}
func estimateNumberOfLines(text string, width int) int {
lines := len(text)/width + 1
return lines
}
func save(preflightName string, analyzeResults []*analyzerunner.AnalyzeResult) (string, error) {
filename := path.Join(util.HomeDir(), fmt.Sprintf("%s-results.txt", preflightName))
_, err := os.Stat(filename)
if err == nil {
os.Remove(filename)
}
results := fmt.Sprintf("%s Preflight Checks\n\n", appName(preflightName))
for _, analyzeResult := range analyzeResults {
result := ""
if analyzeResult.IsPass {
result = "Check PASS\n"
} else if analyzeResult.IsWarn {
result = "Check WARN\n"
} else if analyzeResult.IsFail {
result = "Check FAIL\n"
}
result = result + fmt.Sprintf("Title: %s\n", analyzeResult.Title)
result = result + fmt.Sprintf("Message: %s\n", analyzeResult.Message)
if analyzeResult.URI != "" {
result = result + fmt.Sprintf("URI: %s\n", analyzeResult.URI)
}
result = result + "\n------------\n"
results = results + result
}
if err := ioutil.WriteFile(filename, []byte(results), 0644); err != nil {
return "", errors.Wrap(err, "failed to save preflight results")
}
return filename, nil
}
func showSaved(filename string) {
termWidth, termHeight := ui.TerminalDimensions()
savedMessage := widgets.NewParagraph()
savedMessage.Text = fmt.Sprintf("Preflight results saved to\n\n%s", filename)
savedMessage.WrapText = true
savedMessage.Border = true
left := termWidth/2 - 20
right := termWidth/2 + 20
top := termHeight/2 - 4
bottom := termHeight/2 + 4
savedMessage.SetRect(left, top, right, bottom)
ui.Render(savedMessage)
isShowingSaved = true
}
func appName(preflightName string) string {
words := strings.Split(strings.Title(strings.Replace(preflightName, "-", " ", -1)), " ")
casedWords := []string{}
for i, word := range words {
if strings.ToLower(word) == "ai" {
casedWords = append(casedWords, "AI")
} else if strings.ToLower(word) == "io" && i > 0 {
casedWords[i-1] += ".io"
} else {
casedWords = append(casedWords, word)
}
}
return strings.Join(casedWords, " ")
}