/
notify.go
165 lines (143 loc) · 4.13 KB
/
notify.go
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package github
import (
"context"
"net/http"
"unicode/utf8"
"github.com/mercari/tfnotify/terraform"
)
// NotifyService handles communication with the notification related
// methods of GitHub API
type NotifyService service
// Notify posts comment optimized for notifications
func (g *NotifyService) Notify(body string) (exit int, err error) {
cfg := g.client.Config
parser := g.client.Config.Parser
template := g.client.Config.Template
result := parser.Parse(body)
if result.Error != nil {
return result.ExitCode, result.Error
}
if result.Result == "" {
return result.ExitCode, result.Error
}
_, isPlan := parser.(*terraform.PlanParser)
if isPlan {
if result.HasDestroy && cfg.WarnDestroy {
// Notify destroy warning as a new comment before normal plan result
if err = g.notifyDestroyWarning(body, result); err != nil {
return result.ExitCode, err
}
}
if cfg.PR.IsNumber() && cfg.ResultLabels.HasAnyLabelDefined() {
err = g.removeResultLabels()
if err != nil {
return result.ExitCode, err
}
var labelToAdd string
if result.HasAddOrUpdateOnly {
labelToAdd = cfg.ResultLabels.AddOrUpdateLabel
} else if result.HasDestroy {
labelToAdd = cfg.ResultLabels.DestroyLabel
} else if result.HasNoChanges {
labelToAdd = cfg.ResultLabels.NoChangesLabel
} else if result.HasPlanError {
labelToAdd = cfg.ResultLabels.PlanErrorLabel
}
if labelToAdd != "" {
_, _, err = g.client.API.IssuesAddLabels(
context.Background(),
cfg.PR.Number,
[]string{labelToAdd},
)
if err != nil {
return result.ExitCode, err
}
}
}
}
template.SetValue(terraform.CommonTemplate{
Title: cfg.PR.Title,
Message: cfg.PR.Message,
Result: result.Result,
Body: body,
Link: cfg.CI,
UseRawOutput: cfg.UseRawOutput,
})
body, err = templateExecute(template)
if err != nil {
return result.ExitCode, err
}
value := template.GetValue()
if cfg.PR.IsNumber() {
g.client.Comment.DeleteDuplicates(value.Title)
}
_, isApply := parser.(*terraform.ApplyParser)
if isApply {
prNumber, err := g.client.Commits.MergedPRNumber(cfg.PR.Revision)
if err == nil {
cfg.PR.Number = prNumber
} else if !cfg.PR.IsNumber() {
commits, err := g.client.Commits.List(cfg.PR.Revision)
if err != nil {
return result.ExitCode, err
}
lastRevision, _ := g.client.Commits.lastOne(commits, cfg.PR.Revision)
cfg.PR.Revision = lastRevision
}
}
return result.ExitCode, g.client.Comment.Post(body, PostOptions{
Number: cfg.PR.Number,
Revision: cfg.PR.Revision,
})
}
func (g *NotifyService) notifyDestroyWarning(body string, result terraform.ParseResult) error {
cfg := g.client.Config
destroyWarningTemplate := g.client.Config.DestroyWarningTemplate
destroyWarningTemplate.SetValue(terraform.CommonTemplate{
Title: cfg.PR.DestroyWarningTitle,
Message: cfg.PR.DestroyWarningMessage,
Result: result.Result,
Body: body,
Link: cfg.CI,
UseRawOutput: cfg.UseRawOutput,
})
body, err := templateExecute(destroyWarningTemplate)
if err != nil {
return err
}
return g.client.Comment.Post(body, PostOptions{
Number: cfg.PR.Number,
Revision: cfg.PR.Revision,
})
}
func (g *NotifyService) removeResultLabels() error {
cfg := g.client.Config
labels, _, err := g.client.API.IssuesListLabels(context.Background(), cfg.PR.Number, nil)
if err != nil {
return err
}
for _, l := range labels {
labelText := l.GetName()
if cfg.ResultLabels.IsResultLabel(labelText) {
resp, err := g.client.API.IssuesRemoveLabel(context.Background(), cfg.PR.Number, labelText)
// Ignore 404 errors, which are from the PR not having the label
if err != nil && resp.StatusCode != http.StatusNotFound {
return err
}
}
}
return nil
}
func templateExecute(template terraform.Template) (string, error) {
body, err := template.Execute()
if err != nil {
return "", err
}
if utf8.RuneCountInString(body) <= 65536 {
return body, nil
}
templateValues := template.GetValue()
templateValues.Body = "Body is too long. Please check the CI result."
template.SetValue(templateValues)
return template.Execute()
}