151 lines
3.9 KiB
Go
151 lines
3.9 KiB
Go
package smtp
|
|
|
|
import (
|
|
"context"
|
|
"crypto/tls"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/jenkinsci/kubernetes-operator/api/v1alpha2"
|
|
"github.com/jenkinsci/kubernetes-operator/pkg/notifications/event"
|
|
"github.com/jenkinsci/kubernetes-operator/pkg/notifications/provider"
|
|
|
|
"github.com/pkg/errors"
|
|
"gopkg.in/gomail.v2"
|
|
corev1 "k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
k8sclient "sigs.k8s.io/controller-runtime/pkg/client"
|
|
)
|
|
|
|
const (
|
|
mailSubject = "Jenkins Operator Notification"
|
|
|
|
infoColor = "blue"
|
|
warningColor = "red"
|
|
defaultColor = "gray"
|
|
|
|
content = `
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
|
|
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html>
|
|
<head></head>
|
|
<body>
|
|
<h1 style="background-color: %s; color: white; padding: 3px 10px;">%s</h1>
|
|
<h3>%s</h3>
|
|
<table>
|
|
<tr>
|
|
<td><b>CR name:</b></td>
|
|
<td>%s</td>
|
|
</tr>
|
|
<tr>
|
|
<td><b>Phase:</b></td>
|
|
<td>%s</td>
|
|
</tr>
|
|
</table>
|
|
<h6 style="font-size: 11px; color: grey; margin-top: 15px;">Powered by Jenkins Operator <3</h6>
|
|
</body>
|
|
</html>`
|
|
)
|
|
|
|
// SMTP is Simple Mail Transport Protocol used for sending emails.
|
|
type SMTP struct {
|
|
k8sClient k8sclient.Client
|
|
config v1alpha2.Notification
|
|
}
|
|
|
|
// New returns instance of SMTP.
|
|
func New(k8sClient k8sclient.Client, config v1alpha2.Notification) *SMTP {
|
|
return &SMTP{k8sClient: k8sClient, config: config}
|
|
}
|
|
|
|
func (s SMTP) generateMessage(e event.Event) *gomail.Message {
|
|
var statusMessage strings.Builder
|
|
var reasons string
|
|
|
|
if s.config.Verbose {
|
|
reasons = strings.TrimRight(strings.Join(e.Reason.Verbose(), "</li><li>"), "<li>")
|
|
} else {
|
|
reasons = strings.TrimRight(strings.Join(e.Reason.Short(), "</li><li>"), "<li>")
|
|
}
|
|
|
|
statusMessage.WriteString("<ul><li>")
|
|
statusMessage.WriteString(reasons)
|
|
statusMessage.WriteString("</ul>")
|
|
|
|
htmlMessage := fmt.Sprintf(
|
|
content,
|
|
s.getStatusColor(e.Level),
|
|
provider.NotificationTitle(e),
|
|
statusMessage.String(),
|
|
e.Jenkins.Name, e.Phase,
|
|
)
|
|
message := gomail.NewMessage()
|
|
|
|
message.SetHeader("From", s.config.SMTP.From)
|
|
message.SetHeader("To", s.config.SMTP.To)
|
|
message.SetHeader("Subject", mailSubject)
|
|
message.SetBody("text/html", htmlMessage)
|
|
return message
|
|
}
|
|
|
|
// Send is function for sending notification by SMTP server.
|
|
func (s SMTP) Send(e event.Event) error {
|
|
usernameSecret := &corev1.Secret{}
|
|
passwordSecret := &corev1.Secret{}
|
|
|
|
usernameSelector := s.config.SMTP.UsernameSecretKeySelector
|
|
passwordSelector := s.config.SMTP.PasswordSecretKeySelector
|
|
|
|
err := s.k8sClient.Get(context.TODO(), types.NamespacedName{
|
|
Name: usernameSelector.Name,
|
|
Namespace: e.Jenkins.Namespace,
|
|
}, usernameSecret,
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = s.k8sClient.Get(context.TODO(), types.NamespacedName{
|
|
Name: passwordSelector.Name,
|
|
Namespace: e.Jenkins.Namespace,
|
|
}, passwordSecret,
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
usernameSecretValue := string(usernameSecret.Data[usernameSelector.Key])
|
|
if usernameSecretValue == "" {
|
|
return errors.Errorf("SMTP username is empty in secret '%s/%s[%s]", e.Jenkins.Namespace, usernameSelector.Name, usernameSelector.Key)
|
|
}
|
|
|
|
passwordSecretValue := string(passwordSecret.Data[passwordSelector.Key])
|
|
if passwordSecretValue == "" {
|
|
return errors.Errorf("SMTP password is empty in secret '%s/%s[%s]", e.Jenkins.Namespace, passwordSelector.Name, passwordSelector.Key)
|
|
}
|
|
mailer := gomail.NewDialer(
|
|
s.config.SMTP.Server,
|
|
s.config.SMTP.Port,
|
|
usernameSecretValue,
|
|
passwordSecretValue,
|
|
)
|
|
mailer.TLSConfig = &tls.Config{InsecureSkipVerify: s.config.SMTP.TLSInsecureSkipVerify}
|
|
|
|
message := s.generateMessage(e)
|
|
|
|
if err := mailer.DialAndSend(message); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s SMTP) getStatusColor(logLevel v1alpha2.NotificationLevel) event.StatusColor {
|
|
switch logLevel {
|
|
case v1alpha2.NotificationLevelInfo:
|
|
return infoColor
|
|
case v1alpha2.NotificationLevelWarning:
|
|
return warningColor
|
|
default:
|
|
return defaultColor
|
|
}
|
|
}
|