73 lines
1.1 KiB
Go
73 lines
1.1 KiB
Go
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package email
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import (
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"fmt"
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"net/smtp"
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"strings"
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"time"
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)
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func (a *AlarmEmail) Alarm(grp string, hst string, chk string, alerr error) error {
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dt := EmailDetail{
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Timestamp: time.Now().Format(time.RFC1123),
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Group: grp,
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Host: hst,
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Check: chk,
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Error: alerr,
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}
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c, err := smtp.Dial(a.SMTP)
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if err != nil {
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return err
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}
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helo := "localhost"
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tspl := strings.Split(a.From, "@")
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if len(tspl) > 1 {
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helo = tspl[1]
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}
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err = c.Hello(helo)
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if err != nil {
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return err
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}
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err = c.Mail(a.From)
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if err != nil {
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return err
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}
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for _, to := range a.To {
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err = c.Rcpt(to)
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if err != nil {
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return err
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}
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}
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m, err := c.Data()
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if err != nil {
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return err
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}
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fmt.Fprintf(m, "From: %s\r\n", a.From)
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fmt.Fprintf(m, "To: %s\r\n", strings.Join(a.To, ";"))
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fmt.Fprintf(m, "Subject: ")
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err = a.subTemplate.Execute(m, dt)
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if err != nil {
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return err
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}
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fmt.Fprintf(m, "\r\n\r\n")
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err = a.msgTemplate.Execute(m, dt)
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if err != nil {
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return err
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}
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err = m.Close()
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if err != nil {
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return err
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}
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err = c.Quit()
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if err != nil {
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return err
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}
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return nil
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}
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