118 lines
2.9 KiB
Go
118 lines
2.9 KiB
Go
/*
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Copyright 2022 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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"crypto/tls"
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"crypto/x509"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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eventv1 "github.com/fluxcd/pkg/apis/event/v1beta1"
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"github.com/google/go-github/v53/github"
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"golang.org/x/oauth2"
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)
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type GitHubDispatch struct {
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Owner string
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Repo string
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Client *github.Client
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}
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func NewGitHubDispatch(addr string, token string, certPool *x509.CertPool) (*GitHubDispatch, error) {
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if len(token) == 0 {
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return nil, errors.New("github token cannot be empty")
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}
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host, id, err := parseGitAddress(addr)
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if err != nil {
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return nil, err
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}
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baseUrl, err := url.Parse(host)
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if err != nil {
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return nil, err
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}
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comp := strings.Split(id, "/")
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if len(comp) != 2 {
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return nil, fmt.Errorf("invalid repository id %q", id)
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}
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ts := oauth2.StaticTokenSource(&oauth2.Token{AccessToken: token})
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tc := oauth2.NewClient(context.Background(), ts)
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client := github.NewClient(tc)
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if baseUrl.Host != "github.com" {
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if certPool != nil {
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{
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RootCAs: certPool,
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},
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}
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hc := &http.Client{Transport: tr}
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ctx := context.WithValue(context.Background(), oauth2.HTTPClient, hc)
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tc = oauth2.NewClient(ctx, ts)
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}
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client, err = github.NewEnterpriseClient(host, host, tc)
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if err != nil {
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return nil, fmt.Errorf("could not create enterprise GitHub client: %v", err)
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}
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}
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return &GitHubDispatch{
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Owner: comp[0],
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Repo: comp[1],
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Client: client,
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}, nil
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}
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// Post GitHub Repository Dispatch webhook
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func (g *GitHubDispatch) 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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eventType := fmt.Sprintf("%s/%s.%s",
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event.InvolvedObject.Kind, event.InvolvedObject.Name, event.InvolvedObject.Namespace)
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eventData, err := json.Marshal(event)
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if err != nil {
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return fmt.Errorf("failed to marshal object into json: %w", err)
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}
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eventDataRaw := json.RawMessage(eventData)
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opts := github.DispatchRequestOptions{
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EventType: eventType,
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ClientPayload: &eventDataRaw,
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}
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_, _, err = g.Client.Repositories.Dispatch(ctx, g.Owner, g.Repo, opts)
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if err != nil {
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return fmt.Errorf("could not send github repository dispatch webhook: %v", err)
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}
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return nil
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}
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