100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
/*
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Copyright 2020 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package notifier
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import (
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"context"
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"fmt"
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"net/url"
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"path"
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"strings"
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eventv1 "github.com/fluxcd/pkg/apis/event/v1beta1"
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)
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// Discord holds the hook URL
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type Discord struct {
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URL string
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ProxyURL string
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Username string
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Channel string
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}
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// NewDiscord validates the URL and returns a Discord object
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func NewDiscord(hookURL string, proxyURL string, username string, channel string) (*Discord, error) {
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webhook, err := url.ParseRequestURI(hookURL)
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if err != nil {
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return nil, fmt.Errorf("invalid Discord hook URL %s: '%w'", hookURL, err)
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}
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// use Slack formatting
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// https://birdie0.github.io/discord-webhooks-guide/other/slack_formatting.html
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if !strings.HasSuffix(hookURL, "/slack") {
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webhook.Path = path.Join(webhook.Path, "slack")
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hookURL = webhook.String()
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}
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return &Discord{
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Channel: channel,
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URL: hookURL,
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ProxyURL: proxyURL,
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Username: username,
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}, nil
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}
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// Post Discord message
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func (s *Discord) Post(ctx context.Context, event eventv1.Event) error {
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// Skip Git commit status update event.
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if event.HasMetadata(eventv1.MetaCommitStatusKey, eventv1.MetaCommitStatusUpdateValue) {
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return nil
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}
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payload := SlackPayload{
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Username: s.Username,
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}
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if payload.Username == "" {
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payload.Username = event.ReportingController
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}
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color := "good"
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if event.Severity == eventv1.EventSeverityError {
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color = "danger"
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}
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sfields := make([]SlackField, 0, len(event.Metadata))
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for k, v := range event.Metadata {
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sfields = append(sfields, SlackField{k, v, false})
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}
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a := SlackAttachment{
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Color: color,
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AuthorName: fmt.Sprintf("%s/%s.%s", strings.ToLower(event.InvolvedObject.Kind), event.InvolvedObject.Name, event.InvolvedObject.Namespace),
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Text: event.Message,
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MrkdwnIn: []string{"text"},
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Fields: sfields,
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}
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payload.Attachments = []SlackAttachment{a}
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err := postMessage(ctx, s.URL, s.ProxyURL, nil, payload)
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if err != nil {
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return fmt.Errorf("postMessage failed: %w", err)
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}
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return nil
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}
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