Add SMTP notification provider

pkg/apis/jenkins/v1alpha2/jenkins_types.go

@@ -73,6 +73,7 @@ type Notification struct {
 	Slack        *Slack               `json:"slack,omitempty"`
 	Teams        *MicrosoftTeams      `json:"teams,omitempty"`
 	Mailgun      *Mailgun             `json:"mailgun,omitempty"`
+	SMTP 		 *SMTP 				  `json:"smtp,omitempty"`
 }
 
 // Slack is handler for Slack notification channel
@@ -81,6 +82,16 @@ type Slack struct {
 	WebHookURLSecretKeySelector SecretKeySelector `json:"webHookURLSecretKeySelector"`
 }
 
+type SMTP struct {
+	UsernameSecretKeySelector SecretKeySelector `json:"usernameSecretKeySelector"`
+	PasswordSecretKeySelector SecretKeySelector `json:"passwordSecretKeySelector"`
+	Port int `json:"port"`
+	Server string `json:"server"`
+	TLSInsecureSkipVerify bool `json:"tlsInsecureSkipVerify,omitempty"`
+	From string `json:"from"`
+	To string `json:"to"`
+}
+
 // MicrosoftTeams is handler for Microsoft MicrosoftTeams notification channel
 type MicrosoftTeams struct {
 	// The web hook URL to MicrosoftTeams App

pkg/apis/jenkins/v1alpha2/zz_generated.deepcopy.go

@@ -458,6 +458,11 @@ func (in *Notification) DeepCopyInto(out *Notification) {
 		*out = new(Mailgun)
 		**out = **in
 	}
+	if in.SMTP != nil {
+		in, out := &in.SMTP, &out.SMTP
+		*out = new(SMTP)
+		**out = **in
+	}
 	return
 }
 
@@ -504,6 +509,24 @@ func (in *Restore) DeepCopy() *Restore {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *SMTP) DeepCopyInto(out *SMTP) {
+	*out = *in
+	out.UsernameSecretKeySelector = in.UsernameSecretKeySelector
+	out.PasswordSecretKeySelector = in.PasswordSecretKeySelector
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new SMTP.
+func (in *SMTP) DeepCopy() *SMTP {
+	if in == nil {
+		return nil
+	}
+	out := new(SMTP)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *SecretKeySelector) DeepCopyInto(out *SecretKeySelector) {
 	*out = *in