435 lines
11 KiB
Go
435 lines
11 KiB
Go
package server
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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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"fmt"
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"log"
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"strconv"
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"github.com/Sirupsen/logrus"
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"github.com/cncd/logging"
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"github.com/cncd/pipeline/pipeline/rpc"
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"github.com/cncd/pubsub"
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"github.com/cncd/queue"
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"github.com/coreos/go-semver/semver"
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"github.com/gin-gonic/gin"
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"github.com/drone/drone/model"
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"github.com/drone/drone/remote"
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"github.com/drone/drone/store"
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"github.com/drone/drone/version"
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)
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// This file is a complete disaster because I'm trying to wedge in some
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// experimental code. Please pardon our appearance during renovations.
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// Config is an evil global configuration that will be used as we transition /
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// refactor the codebase to move away from storing these values in the Context.
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var Config = struct {
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Services struct {
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Pubsub pubsub.Publisher
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Queue queue.Queue
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Logs logging.Log
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Senders model.SenderService
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Secrets model.SecretService
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Registries model.RegistryService
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}
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Storage struct {
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// Users model.UserStore
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// Repos model.RepoStore
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// Builds model.BuildStore
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// Logs model.LogStore
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Config model.ConfigStore
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Files model.FileStore
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Procs model.ProcStore
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// Registries model.RegistryStore
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// Secrets model.SecretStore
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}
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Server struct {
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Key string
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Cert string
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Host string
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Port string
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Pass string
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// Open bool
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// Orgs map[string]struct{}
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// Admins map[string]struct{}
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}
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Pipeline struct {
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Volumes []string
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Networks []string
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Privileged []string
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}
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}{}
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// var config = struct {
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// pubsub pubsub.Publisher
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// queue queue.Queue
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// logger logging.Log
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// secret string
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// host string
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// }{
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// pubsub.New(),
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// queue.New(),
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// logging.New(),
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// os.Getenv("DRONE_SECRET"),
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// os.Getenv("DRONE_HOST"),
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// }
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// func SetupRPC() gin.HandlerFunc {
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// return func(c *gin.Context) {
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// c.Next()
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// }
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// }
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func RPCHandler(c *gin.Context) {
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if secret := c.Request.Header.Get("Authorization"); secret != "Bearer "+Config.Server.Pass {
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log.Printf("Unable to connect agent. Invalid authorization token %q does not match %q", secret, Config.Server.Pass)
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c.String(401, "Unable to connect agent. Invalid authorization token")
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return
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}
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agent := semver.New(
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c.Request.Header.Get("X-Drone-Version"),
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)
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logrus.Debugf("agent connected: ip address %s: version %s", c.ClientIP(), agent)
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if agent.LessThan(version.Version) {
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logrus.Warnf("Version mismatch. Agent version %s < Server version %s", agent, version.Version)
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c.String(409, "Version mismatch. Agent version %s < Server version %s", agent, version.Version)
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return
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}
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peer := RPC{
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remote: remote.FromContext(c),
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store: store.FromContext(c),
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queue: Config.Services.Queue,
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pubsub: Config.Services.Pubsub,
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logger: Config.Services.Logs,
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host: Config.Server.Host,
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}
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rpc.NewServer(&peer).ServeHTTP(c.Writer, c.Request)
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}
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type RPC struct {
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remote remote.Remote
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queue queue.Queue
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pubsub pubsub.Publisher
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logger logging.Log
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store store.Store
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host string
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}
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// Next implements the rpc.Next function
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func (s *RPC) Next(c context.Context, filter rpc.Filter) (*rpc.Pipeline, error) {
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fn := func(task *queue.Task) bool {
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for k, v := range filter.Labels {
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if task.Labels[k] != v {
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return false
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}
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}
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return true
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}
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task, err := s.queue.Poll(c, fn)
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if err != nil {
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return nil, err
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} else if task == nil {
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return nil, nil
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}
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pipeline := new(rpc.Pipeline)
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err = json.Unmarshal(task.Data, pipeline)
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return pipeline, err
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}
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// Wait implements the rpc.Wait function
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func (s *RPC) Wait(c context.Context, id string) error {
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return s.queue.Wait(c, id)
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}
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// Extend implements the rpc.Extend function
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func (s *RPC) Extend(c context.Context, id string) error {
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return s.queue.Extend(c, id)
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}
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// Update implements the rpc.Update function
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func (s *RPC) Update(c context.Context, id string, state rpc.State) error {
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procID, err := strconv.ParseInt(id, 10, 64)
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if err != nil {
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return err
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}
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pproc, err := s.store.ProcLoad(procID)
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if err != nil {
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log.Printf("error: rpc.update: cannot find pproc with id %d: %s", procID, err)
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return err
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}
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build, err := s.store.GetBuild(pproc.BuildID)
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if err != nil {
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log.Printf("error: cannot find build with id %d: %s", pproc.BuildID, err)
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return err
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}
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proc, err := s.store.ProcChild(build, pproc.PID, state.Proc)
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if err != nil {
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log.Printf("error: cannot find proc with name %s: %s", state.Proc, err)
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return err
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}
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repo, err := s.store.GetRepo(build.RepoID)
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if err != nil {
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log.Printf("error: cannot find repo with id %d: %s", build.RepoID, err)
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return err
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}
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if state.Exited {
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proc.Stopped = state.Finished
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proc.ExitCode = state.ExitCode
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proc.Error = state.Error
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proc.State = model.StatusSuccess
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if state.ExitCode != 0 || state.Error != "" {
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proc.State = model.StatusFailure
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}
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} else {
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proc.Started = state.Started
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proc.State = model.StatusRunning
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}
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if err := s.store.ProcUpdate(proc); err != nil {
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log.Printf("error: rpc.update: cannot update proc: %s", err)
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}
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build.Procs, _ = s.store.ProcList(build)
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build.Procs = model.Tree(build.Procs)
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message := pubsub.Message{
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Labels: map[string]string{
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"repo": repo.FullName,
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"private": strconv.FormatBool(repo.IsPrivate),
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},
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}
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message.Data, _ = json.Marshal(model.Event{
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Repo: *repo,
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Build: *build,
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})
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s.pubsub.Publish(c, "topic/events", message)
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return nil
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}
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// Upload implements the rpc.Upload function
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func (s *RPC) Upload(c context.Context, id string, file *rpc.File) error {
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procID, err := strconv.ParseInt(id, 10, 64)
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if err != nil {
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return err
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}
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pproc, err := s.store.ProcLoad(procID)
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if err != nil {
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log.Printf("error: cannot find parent proc with id %d: %s", procID, err)
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return err
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}
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build, err := s.store.GetBuild(pproc.BuildID)
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if err != nil {
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log.Printf("error: cannot find build with id %d: %s", pproc.BuildID, err)
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return err
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}
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proc, err := s.store.ProcChild(build, pproc.PID, file.Proc)
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if err != nil {
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log.Printf("error: cannot find child proc with name %s: %s", file.Proc, err)
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return err
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}
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if file.Mime == "application/json+logs" {
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return s.store.LogSave(
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proc,
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bytes.NewBuffer(file.Data),
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)
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}
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return Config.Storage.Files.FileCreate(&model.File{
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BuildID: proc.BuildID,
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ProcID: proc.ID,
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Mime: file.Mime,
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Name: file.Name,
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Size: file.Size,
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Time: file.Time,
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},
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bytes.NewBuffer(file.Data),
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)
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}
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// Init implements the rpc.Init function
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func (s *RPC) Init(c context.Context, id string, state rpc.State) error {
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procID, err := strconv.ParseInt(id, 10, 64)
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if err != nil {
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return err
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}
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proc, err := s.store.ProcLoad(procID)
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if err != nil {
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log.Printf("error: cannot find proc with id %d: %s", procID, err)
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return err
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}
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build, err := s.store.GetBuild(proc.BuildID)
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if err != nil {
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log.Printf("error: cannot find build with id %d: %s", proc.BuildID, err)
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return err
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}
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repo, err := s.store.GetRepo(build.RepoID)
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if err != nil {
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log.Printf("error: cannot find repo with id %d: %s", build.RepoID, err)
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return err
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}
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if build.Status == model.StatusPending {
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build.Status = model.StatusRunning
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build.Started = state.Started
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if err := s.store.UpdateBuild(build); err != nil {
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log.Printf("error: init: cannot update build_id %d state: %s", build.ID, err)
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}
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}
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defer func() {
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build.Procs, _ = s.store.ProcList(build)
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message := pubsub.Message{
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Labels: map[string]string{
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"repo": repo.FullName,
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"private": strconv.FormatBool(repo.IsPrivate),
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},
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}
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message.Data, _ = json.Marshal(model.Event{
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Repo: *repo,
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Build: *build,
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})
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s.pubsub.Publish(c, "topic/events", message)
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}()
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proc.Started = state.Started
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proc.State = model.StatusRunning
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return s.store.ProcUpdate(proc)
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}
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// Done implements the rpc.Done function
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func (s *RPC) Done(c context.Context, id string, state rpc.State) error {
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procID, err := strconv.ParseInt(id, 10, 64)
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if err != nil {
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return err
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}
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proc, err := s.store.ProcLoad(procID)
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if err != nil {
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log.Printf("error: cannot find proc with id %d: %s", procID, err)
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return err
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}
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build, err := s.store.GetBuild(proc.BuildID)
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if err != nil {
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log.Printf("error: cannot find build with id %d: %s", proc.BuildID, err)
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return err
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}
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repo, err := s.store.GetRepo(build.RepoID)
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if err != nil {
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log.Printf("error: cannot find repo with id %d: %s", build.RepoID, err)
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return err
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}
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proc.Stopped = state.Finished
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proc.Error = state.Error
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proc.ExitCode = state.ExitCode
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proc.State = model.StatusSuccess
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if proc.ExitCode != 0 || proc.Error != "" {
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proc.State = model.StatusFailure
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}
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if err := s.store.ProcUpdate(proc); err != nil {
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log.Printf("error: done: cannot update proc_id %d state: %s", procID, err)
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}
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if err := s.queue.Done(c, id); err != nil {
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log.Printf("error: done: cannot ack proc_id %d: %s", procID, err)
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}
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// TODO handle this error
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procs, _ := s.store.ProcList(build)
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for _, p := range procs {
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if p.Running() && p.PPID == proc.PID {
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p.State = model.StatusSkipped
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if p.Started != 0 {
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p.State = model.StatusSuccess // for deamons that are killed
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p.Stopped = proc.Stopped
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}
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if err := s.store.ProcUpdate(p); err != nil {
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log.Printf("error: done: cannot update proc_id %d child state: %s", p.ID, err)
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}
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}
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}
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running := false
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status := model.StatusSuccess
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for _, p := range procs {
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if p.PPID == 0 {
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if p.Running() {
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running = true
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}
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if p.Failing() {
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status = p.State
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}
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}
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}
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if !running {
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build.Status = status
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build.Finished = proc.Stopped
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if err := s.store.UpdateBuild(build); err != nil {
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log.Printf("error: done: cannot update build_id %d final state: %s", build.ID, err)
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}
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// update the status
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user, err := s.store.GetUser(repo.UserID)
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if err == nil {
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if refresher, ok := s.remote.(remote.Refresher); ok {
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ok, _ := refresher.Refresh(user)
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if ok {
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s.store.UpdateUser(user)
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}
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}
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uri := fmt.Sprintf("%s/%s/%d", s.host, repo.FullName, build.Number)
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err = s.remote.Status(user, repo, build, uri)
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if err != nil {
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logrus.Errorf("error setting commit status for %s/%d", repo.FullName, build.Number)
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}
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}
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}
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if err := s.logger.Close(c, id); err != nil {
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log.Printf("error: done: cannot close build_id %d logger: %s", proc.ID, err)
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}
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build.Procs = model.Tree(procs)
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message := pubsub.Message{
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Labels: map[string]string{
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"repo": repo.FullName,
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"private": strconv.FormatBool(repo.IsPrivate),
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},
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}
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message.Data, _ = json.Marshal(model.Event{
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Repo: *repo,
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Build: *build,
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})
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s.pubsub.Publish(c, "topic/events", message)
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return nil
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}
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// Log implements the rpc.Log function
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func (s *RPC) Log(c context.Context, id string, line *rpc.Line) error {
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entry := new(logging.Entry)
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entry.Data, _ = json.Marshal(line)
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s.logger.Write(c, id, entry)
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return nil
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}
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