func DeleteBuild(c *gin.Context) {
repo := session.Repo(c)
// parse the build number and job sequence number from
// the repquest parameter.
num, _ := strconv.Atoi(c.Params.ByName("number"))
seq, _ := strconv.Atoi(c.Params.ByName("job"))
build, err := store.GetBuildNumber(c, repo, num)
if err != nil {
c.AbortWithError(404, err)
return
}
job, err := store.GetJobNumber(c, build, seq)
if err != nil {
c.AbortWithError(404, err)
return
}
if job.Status != model.StatusRunning {
c.String(400, "Cannot cancel a non-running build")
return
}
job.Status = model.StatusKilled
job.Finished = time.Now().Unix()
if job.Started == 0 {
job.Started = job.Finished
}
job.ExitCode = 137
store.UpdateBuildJob(c, build, job)
client := stomp.MustFromContext(c)
client.SendJSON("/topic/cancel", model.Event{
Type: model.Cancelled,
Repo: *repo,
Build: *build,
Job: *job,
}, stomp.WithHeader("job-id", strconv.FormatInt(job.ID, 10)))
c.String(204, "")
}
// HandleUpdate handles build updates from the agent and persists to the database.
func HandleUpdate(c context.Context, message *stomp.Message) {
defer func() {
message.Release()
if r := recover(); r != nil {
err := r.(error)
logrus.Errorf("Panic recover: broker update handler: %s", err)
}
}()
work := new(model.Work)
if err := message.Unmarshal(work); err != nil {
logrus.Errorf("Invalid input. %s", err)
return
}
// TODO(bradrydzewski) it is really annoying that we have to do this lookup
// and I'd prefer not to. The reason we do this is because the Build and Job
// have fields that aren't serialized to json and would be reset to their
// empty values if we just saved what was coming in the http.Request body.
build, err := store.GetBuild(c, work.Build.ID)
if err != nil {
logrus.Errorf("Unable to find build. %s", err)
return
}
job, err := store.GetJob(c, work.Job.ID)
if err != nil {
logrus.Errorf("Unable to find job. %s", err)
return
}
build.Started = work.Build.Started
build.Finished = work.Build.Finished
build.Status = work.Build.Status
job.Started = work.Job.Started
job.Finished = work.Job.Finished
job.Status = work.Job.Status
job.ExitCode = work.Job.ExitCode
job.Error = work.Job.Error
if build.Status == model.StatusPending {
build.Started = work.Job.Started
build.Status = model.StatusRunning
store.UpdateBuild(c, build)
}
// if job.Status == model.StatusRunning {
// err := stream.Create(c, stream.ToKey(job.ID))
// if err != nil {
// logrus.Errorf("Unable to create stream. %s", err)
// }
// }
ok, err := store.UpdateBuildJob(c, build, job)
if err != nil {
logrus.Errorf("Unable to update job. %s", err)
return
}
if ok {
// get the user because we transfer the user form the server to agent
// and back we lose the token which does not get serialized to json.
user, uerr := store.GetUser(c, work.User.ID)
if uerr != nil {
logrus.Errorf("Unable to find user. %s", err)
return
}
remote.Status(c, user, work.Repo, build,
fmt.Sprintf("%s/%s/%d", work.System.Link, work.Repo.FullName, work.Build.Number))
}
client := stomp.MustFromContext(c)
err = client.SendJSON("/topic/events", model.Event{
Type: func() model.EventType {
// HACK we don't even really care about the event type.
// so we should just simplify how events are triggered.
if job.Status == model.StatusRunning {
return model.Started
}
return model.Finished
}(),
Repo: *work.Repo,
Build: *build,
Job: *job,
},
stomp.WithHeader("repo", work.Repo.FullName),
stomp.WithHeader("private", strconv.FormatBool(work.Repo.IsPrivate)),
)
if err != nil {
logrus.Errorf("Unable to publish to /topic/events. %s", err)
}
if job.Status == model.StatusRunning {
return
}
var buf bytes.Buffer
var sub []byte
done := make(chan bool)
dest := fmt.Sprintf("/topic/logs.%d", job.ID)
sub, err = client.Subscribe(dest, stomp.HandlerFunc(func(m *stomp.Message) {
defer m.Release()
if m.Header.GetBool("eof") {
done <- true
return
}
buf.Write(m.Body)
buf.WriteByte('\n')
}))
if err != nil {
logrus.Errorf("Unable to read logs from broker. %s", err)
return
}
defer func() {
client.Unsubscribe(sub)
client.Send(dest, []byte{}, stomp.WithRetain("remove"))
}()
select {
case <-done:
case <-time.After(30 * time.Second):
logrus.Errorf("Unable to read logs from broker. Timeout. %s", err)
return
}
if err := store.WriteLog(c, job, &buf); err != nil {
logrus.Errorf("Unable to write logs to store. %s", err)
return
}
}
// EventStream produces the User event stream, sending all repository, build
// and agent events to the client.
func EventStream(c *gin.Context) {
ws, err := upgrader.Upgrade(c.Writer, c.Request, nil)
if err != nil {
if _, ok := err.(websocket.HandshakeError); !ok {
logrus.Errorf("Cannot upgrade websocket. %s", err)
}
return
}
logrus.Debugf("Successfull upgraded websocket")
user := session.User(c)
repo := map[string]bool{}
if user != nil {
repo, _ = cache.GetRepoMap(c, user)
}
eventc := make(chan []byte, 10)
quitc := make(chan bool)
tick := time.NewTicker(pingPeriod)
defer func() {
tick.Stop()
ws.Close()
logrus.Debug("Successfully closed websocket")
}()
client := stomp.MustFromContext(c)
sub, err := client.Subscribe("/topic/events", stomp.HandlerFunc(func(m *stomp.Message) {
name := m.Header.GetString("repo")
priv := m.Header.GetBool("private")
if repo[name] || !priv {
eventc <- m.Body
}
m.Release()
}))
if err != nil {
logrus.Errorf("Unable to read logs from broker. %s", err)
return
}
defer func() {
client.Unsubscribe(sub)
close(quitc)
close(eventc)
}()
go func() {
defer func() {
recover()
}()
for {
select {
case <-quitc:
return
case event, ok := <-eventc:
if !ok {
return
}
ws.SetWriteDeadline(time.Now().Add(writeWait))
ws.WriteMessage(websocket.TextMessage, event)
case <-tick.C:
err := ws.WriteControl(websocket.PingMessage, []byte{}, time.Now().Add(writeWait))
if err != nil {
return
}
}
}
}()
reader(ws)
}
func PostHook(c *gin.Context) {
remote_ := remote.FromContext(c)
tmprepo, build, err := remote_.Hook(c.Request)
if err != nil {
log.Errorf("failure to parse hook. %s", err)
c.AbortWithError(400, err)
return
}
if build == nil {
c.Writer.WriteHeader(200)
return
}
if tmprepo == nil {
log.Errorf("failure to ascertain repo from hook.")
c.Writer.WriteHeader(400)
return
}
// skip the build if any case-insensitive combination of the words "skip" and "ci"
// wrapped in square brackets appear in the commit message
skipMatch := skipRe.FindString(build.Message)
if len(skipMatch) > 0 {
log.Infof("ignoring hook. %s found in %s", skipMatch, build.Commit)
c.Writer.WriteHeader(204)
return
}
repo, err := store.GetRepoOwnerName(c, tmprepo.Owner, tmprepo.Name)
if err != nil {
log.Errorf("failure to find repo %s/%s from hook. %s", tmprepo.Owner, tmprepo.Name, err)
c.AbortWithError(404, err)
return
}
// get the token and verify the hook is authorized
parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
return repo.Hash, nil
})
if err != nil {
log.Errorf("failure to parse token from hook for %s. %s", repo.FullName, err)
c.AbortWithError(400, err)
return
}
if parsed.Text != repo.FullName {
log.Errorf("failure to verify token from hook. Expected %s, got %s", repo.FullName, parsed.Text)
c.AbortWithStatus(403)
return
}
if repo.UserID == 0 {
log.Warnf("ignoring hook. repo %s has no owner.", repo.FullName)
c.Writer.WriteHeader(204)
return
}
var skipped = true
if (build.Event == model.EventPush && repo.AllowPush) ||
(build.Event == model.EventPull && repo.AllowPull) ||
(build.Event == model.EventDeploy && repo.AllowDeploy) ||
(build.Event == model.EventTag && repo.AllowTag) {
skipped = false
}
if skipped {
log.Infof("ignoring hook. repo %s is disabled for %s events.", repo.FullName, build.Event)
c.Writer.WriteHeader(204)
return
}
user, err := store.GetUser(c, repo.UserID)
if err != nil {
log.Errorf("failure to find repo owner %s. %s", repo.FullName, err)
c.AbortWithError(500, err)
return
}
// if there is no email address associated with the pull request,
// we lookup the email address based on the authors github login.
//
// my initial hesitation with this code is that it has the ability
// to expose your email address. At the same time, your email address
// is already exposed in the public .git log. So while some people will
// a small number of people will probably be upset by this, I'm not sure
// it is actually that big of a deal.
if len(build.Email) == 0 {
author, err := store.GetUserLogin(c, build.Author)
if err == nil {
build.Email = author.Email
}
}
// if the remote has a refresh token, the current access token
// may be stale. Therefore, we should refresh prior to dispatching
// the job.
if refresher, ok := remote_.(remote.Refresher); ok {
ok, _ := refresher.Refresh(user)
if ok {
store.UpdateUser(c, user)
}
}
// fetch the build file from the database
config := ToConfig(c)
raw, err := remote_.File(user, repo, build, config.Yaml)
if err != nil {
log.Errorf("failure to get build config for %s. %s", repo.FullName, err)
c.AbortWithError(404, err)
return
}
sec, err := remote_.File(user, repo, build, config.Shasum)
if err != nil {
log.Debugf("cannot find build secrets for %s. %s", repo.FullName, err)
// NOTE we don't exit on failure. The sec file is optional
}
axes, err := yaml.ParseMatrix(raw)
if err != nil {
c.String(500, "Failed to parse yaml file or calculate matrix. %s", err)
return
}
if len(axes) == 0 {
axes = append(axes, yaml.Axis{})
}
netrc, err := remote_.Netrc(user, repo)
if err != nil {
c.String(500, "Failed to generate netrc file. %s", err)
return
}
// verify the branches can be built vs skipped
branches := yaml.ParseBranch(raw)
if !branches.Match(build.Branch) && build.Event != model.EventTag && build.Event != model.EventDeploy {
c.String(200, "Branch does not match restrictions defined in yaml")
return
}
signature, err := jose.ParseSigned(string(sec))
if err != nil {
log.Debugf("cannot parse .drone.yml.sig file. %s", err)
} else if len(sec) == 0 {
log.Debugf("cannot parse .drone.yml.sig file. empty file")
} else {
build.Signed = true
output, err := signature.Verify([]byte(repo.Hash))
if err != nil {
log.Debugf("cannot verify .drone.yml.sig file. %s", err)
} else if string(output) != string(raw) {
log.Debugf("cannot verify .drone.yml.sig file. no match")
} else {
build.Verified = true
}
}
// update some build fields
build.Status = model.StatusPending
build.RepoID = repo.ID
// and use a transaction
var jobs []*model.Job
for num, axis := range axes {
jobs = append(jobs, &model.Job{
BuildID: build.ID,
Number: num + 1,
Status: model.StatusPending,
Environment: axis,
})
}
err = store.CreateBuild(c, build, jobs...)
if err != nil {
log.Errorf("failure to save commit for %s. %s", repo.FullName, err)
c.AbortWithError(500, err)
return
}
c.JSON(200, build)
url := fmt.Sprintf("%s/%s/%d", httputil.GetURL(c.Request), repo.FullName, build.Number)
err = remote_.Status(user, repo, build, url)
if err != nil {
log.Errorf("error setting commit status for %s/%d", repo.FullName, build.Number)
}
// get the previous build so that we can send
// on status change notifications
last, _ := store.GetBuildLastBefore(c, repo, build.Branch, build.ID)
secs, err := store.GetMergedSecretList(c, repo)
if err != nil {
log.Debugf("Error getting secrets for %s#%d. %s", repo.FullName, build.Number, err)
}
client := stomp.MustFromContext(c)
client.SendJSON("/topic/events", model.Event{
Type: model.Enqueued,
Repo: *repo,
Build: *build,
},
stomp.WithHeader("repo", repo.FullName),
stomp.WithHeader("private", strconv.FormatBool(repo.IsPrivate)),
)
for _, job := range jobs {
broker, _ := stomp.FromContext(c)
broker.SendJSON("/queue/pending", &model.Work{
Signed: build.Signed,
Verified: build.Verified,
User: user,
Repo: repo,
Build: build,
BuildLast: last,
Job: job,
Netrc: netrc,
Yaml: string(raw),
Secrets: secs,
System: &model.System{Link: httputil.GetURL(c.Request)},
},
stomp.WithHeader(
"platform",
yaml.ParsePlatformDefault(raw, "linux/amd64"),
),
stomp.WithHeaders(
yaml.ParseLabel(raw),
),
)
}
}
func PostBuild(c *gin.Context) {
remote_ := remote.FromContext(c)
repo := session.Repo(c)
fork := c.DefaultQuery("fork", "false")
num, err := strconv.Atoi(c.Param("number"))
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
user, err := store.GetUser(c, repo.UserID)
if err != nil {
log.Errorf("failure to find repo owner %s. %s", repo.FullName, err)
c.AbortWithError(500, err)
return
}
build, err := store.GetBuildNumber(c, repo, num)
if err != nil {
log.Errorf("failure to get build %d. %s", num, err)
c.AbortWithError(404, err)
return
}
// if the remote has a refresh token, the current access token
// may be stale. Therefore, we should refresh prior to dispatching
// the job.
if refresher, ok := remote_.(remote.Refresher); ok {
ok, _ := refresher.Refresh(user)
if ok {
store.UpdateUser(c, user)
}
}
// fetch the .drone.yml file from the database
config := ToConfig(c)
raw, err := remote_.File(user, repo, build, config.Yaml)
if err != nil {
log.Errorf("failure to get build config for %s. %s", repo.FullName, err)
c.AbortWithError(404, err)
return
}
// Fetch secrets file but don't exit on error as it's optional
sec, err := remote_.File(user, repo, build, config.Shasum)
if err != nil {
log.Debugf("cannot find build secrets for %s. %s", repo.FullName, err)
}
netrc, err := remote_.Netrc(user, repo)
if err != nil {
log.Errorf("failure to generate netrc for %s. %s", repo.FullName, err)
c.AbortWithError(500, err)
return
}
jobs, err := store.GetJobList(c, build)
if err != nil {
log.Errorf("failure to get build %d jobs. %s", build.Number, err)
c.AbortWithError(404, err)
return
}
// must not restart a running build
if build.Status == model.StatusPending || build.Status == model.StatusRunning {
c.String(409, "Cannot re-start a started build")
return
}
// forking the build creates a duplicate of the build
// and then executes. This retains prior build history.
if forkit, _ := strconv.ParseBool(fork); forkit {
build.ID = 0
build.Number = 0
build.Parent = num
for _, job := range jobs {
job.ID = 0
job.NodeID = 0
}
err := store.CreateBuild(c, build, jobs...)
if err != nil {
c.String(500, err.Error())
return
}
event := c.DefaultQuery("event", build.Event)
if event == model.EventPush ||
event == model.EventPull ||
event == model.EventTag ||
event == model.EventDeploy {
build.Event = event
}
build.Deploy = c.DefaultQuery("deploy_to", build.Deploy)
}
// Read query string parameters into buildParams, exclude reserved params
var buildParams = map[string]string{}
for key, val := range c.Request.URL.Query() {
switch key {
case "fork", "event", "deploy_to":
default:
// We only accept string literals, because build parameters will be
// injected as environment variables
buildParams[key] = val[0]
}
}
// todo move this to database tier
// and wrap inside a transaction
build.Status = model.StatusPending
build.Started = 0
build.Finished = 0
build.Enqueued = time.Now().UTC().Unix()
for _, job := range jobs {
for k, v := range buildParams {
job.Environment[k] = v
}
job.Error = ""
job.Status = model.StatusPending
job.Started = 0
job.Finished = 0
job.ExitCode = 0
job.NodeID = 0
job.Enqueued = build.Enqueued
store.UpdateJob(c, job)
}
err = store.UpdateBuild(c, build)
if err != nil {
c.AbortWithStatus(500)
return
}
c.JSON(202, build)
// get the previous build so that we can send
// on status change notifications
last, _ := store.GetBuildLastBefore(c, repo, build.Branch, build.ID)
secs, err := store.GetMergedSecretList(c, repo)
if err != nil {
log.Debugf("Error getting secrets for %s#%d. %s", repo.FullName, build.Number, err)
}
var signed bool
var verified bool
signature, err := jose.ParseSigned(string(sec))
if err != nil {
log.Debugf("cannot parse .drone.yml.sig file. %s", err)
} else if len(sec) == 0 {
log.Debugf("cannot parse .drone.yml.sig file. empty file")
} else {
signed = true
output, err := signature.Verify([]byte(repo.Hash))
if err != nil {
log.Debugf("cannot verify .drone.yml.sig file. %s", err)
} else if string(output) != string(raw) {
log.Debugf("cannot verify .drone.yml.sig file. no match. %q <> %q", string(output), string(raw))
} else {
verified = true
}
}
log.Debugf(".drone.yml is signed=%v and verified=%v", signed, verified)
client := stomp.MustFromContext(c)
client.SendJSON("/topic/events", model.Event{
Type: model.Enqueued,
Repo: *repo,
Build: *build,
},
stomp.WithHeader("repo", repo.FullName),
stomp.WithHeader("private", strconv.FormatBool(repo.IsPrivate)),
)
for _, job := range jobs {
broker, _ := stomp.FromContext(c)
broker.SendJSON("/queue/pending", &model.Work{
Signed: signed,
Verified: verified,
User: user,
Repo: repo,
Build: build,
BuildLast: last,
Job: job,
Netrc: netrc,
Yaml: string(raw),
Secrets: secs,
System: &model.System{Link: httputil.GetURL(c.Request)},
},
stomp.WithHeader(
"platform",
yaml.ParsePlatformDefault(raw, "linux/amd64"),
),
stomp.WithHeaders(
yaml.ParseLabel(raw),
),
)
}
}