// Package report sends a deployment summary email via SMTP.
package report
import (
"fmt"
"net/smtp"
"os"
"strings"
"time"
)
// SMTP2Go relay configuration for X9.cz deployment reports.
const (
smtpHost = "mail-eu.smtp2go.com"
smtpPort = "2525"
smtpUser = "xetup"
smtpPass = "M9ahxHOnJ8fM0CEF"
mailFrom = "xetup@x9.cz"
mailTo = "net@x9.cz"
)
// StepResult holds one row of the deployment report.
type StepResult struct {
Num string
Name string
Status string // OK, ERROR, SKIPPED, CANCELLED
Elapsed time.Duration
}
// Send emails the deployment report. Non-fatal: returns error but caller
// should log it and continue (deployment is already done).
func Send(results []StepResult) error {
hostname, _ := os.Hostname()
now := time.Now().Format("2006-01-02 15:04")
subject := fmt.Sprintf("xetup report %s", hostname)
body := buildHTML(results, hostname, now)
msg := strings.Join([]string{
"From: " + mailFrom,
"To: " + mailTo,
"Subject: " + subject,
"MIME-Version: 1.0",
"Content-Type: text/html; charset=UTF-8",
"",
body,
}, "\r\n")
auth := smtp.PlainAuth("", smtpUser, smtpPass, smtpHost)
return smtp.SendMail(
smtpHost+":"+smtpPort,
auth,
mailFrom,
[]string{mailTo},
[]byte(msg),
)
}
func buildHTML(results []StepResult, hostname, dateTime string) string {
var ok, errs, skipped int
var rows strings.Builder
for _, r := range results {
color := "#333"
icon := ""
switch r.Status {
case "OK":
ok++
color = "#2e7d32"
icon = "✓"
case "ERROR":
errs++
color = "#c62828"
icon = "✗"
default:
skipped++
color = "#9e9e9e"
icon = "–"
}
elapsed := ""
if r.Elapsed > 0 {
elapsed = r.Elapsed.Round(time.Second).String()
}
fmt.Fprintf(&rows,
`| %s | `+
`%s | `+
`%s | `+
`%s | `+
`%s |
`,
color, icon, r.Num, r.Name, color, r.Status, elapsed)
}
summaryColor := "#2e7d32"
summaryText := "Deployment OK"
if errs > 0 {
summaryColor = "#c62828"
summaryText = fmt.Sprintf("Deployment finished with %d error(s)", errs)
}
return fmt.Sprintf(`
%s — OK: %d CHYBY: %d PRESKOCENO: %d
Odeslano z xetup.exe — log: C:\Windows\Setup\Scripts\Deploy.log
`,
hostname, dateTime,
rows.String(),
summaryColor, summaryText, ok, errs, skipped)
}