153 lines
3.6 KiB
Go
153 lines
3.6 KiB
Go
package slack
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import (
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"bytes"
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"context"
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"encoding/json"
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"net/http"
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"strings"
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"github.com/jenkinsci/kubernetes-operator/pkg/apis/jenkins/v1alpha2"
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"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/notifications/event"
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"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/notifications/provider"
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"github.com/pkg/errors"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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k8sclient "sigs.k8s.io/controller-runtime/pkg/client"
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)
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const (
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infoColor = "#439FE0"
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warningColor = "danger"
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defaultColor = "#c8c8c8"
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)
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// Slack is a Slack notification service
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type Slack struct {
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httpClient http.Client
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k8sClient k8sclient.Client
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config v1alpha2.Notification
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}
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// New returns instance of Slack
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func New(k8sClient k8sclient.Client, config v1alpha2.Notification, httpClient http.Client) *Slack {
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return &Slack{k8sClient: k8sClient, config: config, httpClient: httpClient}
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}
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// Message is representation of json message
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type Message struct {
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Text string `json:"text"`
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Attachments []Attachment `json:"attachments"`
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}
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// Attachment is representation of json attachment
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type Attachment struct {
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Fallback string `json:"fallback"`
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Color event.StatusColor `json:"color"`
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Pretext string `json:"pretext"`
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Title string `json:"title"`
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Text string `json:"text"`
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Fields []Field `json:"fields"`
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Footer string `json:"footer"`
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}
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// Field is representation of json field.
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type Field struct {
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Title string `json:"title"`
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Value string `json:"value"`
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Short bool `json:"short"`
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}
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func (s Slack) getStatusColor(logLevel v1alpha2.NotificationLevel) event.StatusColor {
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switch logLevel {
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case v1alpha2.NotificationLevelInfo:
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return infoColor
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case v1alpha2.NotificationLevelWarning:
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return warningColor
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default:
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return defaultColor
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}
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}
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func (s Slack) generateMessage(e event.Event) Message {
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var messageStringBuilder strings.Builder
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if s.config.Verbose {
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for _, msg := range e.Reason.Verbose() {
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messageStringBuilder.WriteString("\n - " + msg + "\n")
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}
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} else {
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for _, msg := range e.Reason.Short() {
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messageStringBuilder.WriteString("\n - " + msg + "\n")
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}
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}
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sm := Message{
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Attachments: []Attachment{
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{
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Title: provider.NotificationTitle(e),
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Fallback: "",
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Color: s.getStatusColor(e.Level),
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Fields: []Field{
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{
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Title: "",
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Value: messageStringBuilder.String(),
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Short: false,
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},
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{
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Title: provider.NamespaceFieldName,
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Value: e.Jenkins.Namespace,
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Short: true,
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},
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{
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Title: provider.CrNameFieldName,
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Value: e.Jenkins.Name,
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Short: true,
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},
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{
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Title: provider.PhaseFieldName,
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Value: string(e.Phase),
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Short: true,
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},
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},
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},
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},
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}
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return sm
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}
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// Send is function for sending directly to API
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func (s Slack) Send(e event.Event) error {
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secret := &corev1.Secret{}
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selector := s.config.Slack.WebHookURLSecretKeySelector
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err := s.k8sClient.Get(context.TODO(), types.NamespacedName{Name: selector.Name, Namespace: e.Jenkins.Namespace}, secret)
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if err != nil {
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return err
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}
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slackMessage, err := json.Marshal(s.generateMessage(e))
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if err != nil {
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return err
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}
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secretValue := string(secret.Data[selector.Key])
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if secretValue == "" {
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return errors.Errorf("Slack WebHook URL is empty in secret '%s/%s[%s]", e.Jenkins.Namespace, selector.Name, selector.Key)
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}
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request, err := http.NewRequest("POST", secretValue, bytes.NewBuffer(slackMessage))
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if err != nil {
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return err
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}
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resp, err := s.httpClient.Do(request)
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if err != nil {
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return err
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}
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defer func() { _ = resp.Body.Close() }()
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return nil
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}
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