func (j *CreateKeysRequest) Execute(resp jobs.Response) {
failedKeys := []KeyFailure{}
for i := range j.Keys {
key := j.Keys[i]
locator, err := key.Create()
if err != nil {
failedKeys = append(failedKeys, KeyFailure{i, &key, err})
continue
}
for k := range j.Permissions {
if err := j.Permissions[k].Create(locator); err != nil {
failedKeys = append(failedKeys, KeyFailure{i, &key, err})
continue
}
}
}
if len(failedKeys) > 0 {
data := make([]KeyStructuredFailure, len(failedKeys))
for i := range failedKeys {
data[i] = KeyStructuredFailure{failedKeys[i].Index, failedKeys[i].Reason.Error()}
log.Printf("Failure %d: %+v", failedKeys[i].Index, failedKeys[i].Reason)
}
resp.Failure(jobs.StructuredJobError{jobs.SimpleError{jobs.ResponseError, "Not all keys were completed"}, data})
} else {
resp.Success(jobs.ResponseOk)
}
}
func (j *PatchEnvironmentRequest) Execute(resp jobs.Response) {
if err := j.Write(true); err != nil {
resp.Failure(ErrEnvironmentUpdateFailed)
return
}
resp.Success(jobs.ResponseOk)
}
func (j AddAliasRequest) Execute(resp jobs.Response) {
value, ok := router.GlobalRoutes[j.Frontend]
if ok {
router.AddAlias(j.Alias, value.Name)
} else {
router.CreateFrontend(j.Frontend, j.Alias)
}
resp.Success(jobs.ResponseOk)
}
func (j CreateFrontendRequest) Execute(resp jobs.Response) {
value, ok := router.GlobalRoutes[j.Frontend]
if !ok {
router.CreateFrontend(j.Frontend, j.Alias)
} else {
log.Printf("Error : Frontend %s already exists.", value.Name)
}
resp.Success(jobs.ResponseOk)
}
func (j *LinkContainersRequest) Execute(resp jobs.Response) {
for i := range j.Links {
if errw := j.Links[i].NetworkLinks.Write(j.Links[i].Id.NetworkLinksPathFor(), false); errw != nil {
resp.Failure(ErrLinkContainersFailed)
return
}
}
resp.Success(jobs.ResponseOk)
}
func (j *PutEnvironmentRequest) Execute(resp jobs.Response) {
if err := j.Fetch(100 * 1024); err != nil {
resp.Failure(ErrEnvironmentUpdateFailed)
return
}
if err := j.Write(false); err != nil {
resp.Failure(ErrEnvironmentUpdateFailed)
return
}
resp.Success(jobs.ResponseOk)
}
func (j UpdateFrontendRequest) Execute(resp jobs.Response) {
// detach empty frontends
for _, frontend := range j.Frontends {
if frontend.BackendId == "" {
frontend.Remove()
}
}
errs := []backendError{}
for _, backend := range j.Backends {
if err := utils.WriteToPathExclusive(backend.Id.BackendPathFor(), 0554, backend); err != nil {
errs = append(errs, backendError{backend.Id, err})
}
}
if len(errs) != 0 {
log.Printf("Unable to persist some backends: %+v", errs)
resp.Failure(ErrBackendWriteFailed)
return
}
resp.Success(jobs.ResponseOk)
}
func (h *HttpTransport) ExecuteRemote(baseUrl *url.URL, job RemoteExecutable, res jobs.Response) error {
reader, writer := io.Pipe()
httpreq, errn := http.NewRequest(job.HttpMethod(), baseUrl.String(), reader)
if errn != nil {
return errn
}
id := job.MarshalRequestIdentifier()
if len(id) == 0 {
id = jobs.NewRequestIdentifier()
}
query := &url.Values{}
job.MarshalUrlQuery(query)
req := httpreq
req.Header.Set("X-Request-Id", id.String())
req.Header.Set("If-Match", "api="+ApiVersion())
req.Header.Set("Content-Type", "application/json")
//TODO: introduce API version per job
//TODO: content request signing for GETs
req.URL.Path = job.HttpPath()
req.URL.RawQuery = query.Encode()
go func() {
if err := job.MarshalHttpRequestBody(writer); err != nil {
log.Printf("http_remote: Error when writing to http: %v", err)
writer.CloseWithError(err)
} else {
writer.Close()
}
}()
resp, err := h.client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
isJson := resp.Header.Get("Content-Type") == "application/json"
switch code := resp.StatusCode; {
case code == 202:
if isJson {
return errors.New("Decoding of streaming JSON has not been implemented")
}
data, err := job.UnmarshalHttpResponse(resp.Header, nil, ResponseTable)
if err != nil {
return err
}
if pending, ok := data.(map[string]interface{}); ok {
for k := range pending {
res.WritePendingSuccess(k, pending[k])
}
}
w := res.SuccessWithWrite(jobs.ResponseOk, false, false)
if _, err := io.Copy(w, resp.Body); err != nil {
return err
}
case code == 204:
data, err := job.UnmarshalHttpResponse(resp.Header, nil, ResponseTable)
if err != nil {
return err
}
if pending, ok := data.(map[string]interface{}); ok {
for k := range pending {
res.WritePendingSuccess(k, pending[k])
}
}
res.Success(jobs.ResponseOk)
case code >= 200 && code < 300:
if !isJson {
return errors.New(fmt.Sprintf("remote: Response with %d status code had content type %s (should be application/json)", code, resp.Header.Get("Content-Type")))
}
data, err := job.UnmarshalHttpResponse(nil, resp.Body, ResponseJson)
if err != nil {
return err
}
res.SuccessWithData(jobs.ResponseOk, data)
default:
if isJson {
decoder := json.NewDecoder(resp.Body)
data := httpFailureResponse{}
if err := decoder.Decode(&data); err != nil {
return err
}
res.Failure(jobs.SimpleError{jobs.ResponseError, data.Message})
return nil
}
io.Copy(os.Stderr, resp.Body)
res.Failure(jobs.SimpleError{jobs.ResponseError, "Unable to decode response."})
}
return nil
}
func (j *runContainer) Execute(resp jobs.Response) {
command := j.UnitCommand()
unitName := containers.JobIdentifier(j.Name).UnitNameFor()
unitDescription := fmt.Sprintf("Execute image '%s': %s %s", j.Image, j.Command, strings.Join(command, " "))
var (
stdout io.ReadCloser
changes <-chan map[string]*dbus.UnitStatus
errch <-chan error
)
if resp.StreamResult() {
r, err := systemd.ProcessLogsForUnit(unitName)
if err != nil {
r = utils.EmptyReader
log.Printf("run_container: Unable to fetch container run logs: %s, %+v", err.Error(), err)
}
defer r.Close()
conn, errc := systemd.NewConnection()
if errc != nil {
log.Print("run_container:", errc)
return
}
if err := conn.Subscribe(); err != nil {
log.Print("run_container:", err)
return
}
defer conn.Unsubscribe()
// make subscription global for efficiency
c, ech := conn.SubscribeUnitsCustom(1*time.Second, 2,
func(s1 *dbus.UnitStatus, s2 *dbus.UnitStatus) bool {
return true
},
func(unit string) bool {
return unit != unitName
})
stdout = r
changes = c
errch = ech
}
log.Printf("run_container: Running container %s", unitName)
status, err := systemd.Connection().StartTransientUnit(
unitName,
"fail",
dbus.PropExecStart(command, true),
dbus.PropDescription(unitDescription),
dbus.PropRemainAfterExit(true),
dbus.PropSlice("container.slice"),
)
switch {
case err != nil:
errType := reflect.TypeOf(err)
resp.Failure(jobs.SimpleError{jobs.ResponseError, fmt.Sprintf("Unable to start container execution due to (%s): %s", errType, err.Error())})
return
case status != "done":
resp.Failure(jobs.SimpleError{jobs.ResponseError, fmt.Sprintf("Start did not complete successfully: %s", status)})
return
case stdout == nil:
resp.Success(jobs.ResponseOk)
return
}
w := resp.SuccessWithWrite(jobs.ResponseAccepted, true, false)
go io.Copy(w, stdout)
wait:
for {
select {
case c := <-changes:
if changed, ok := c[unitName]; ok {
if changed.SubState != "running" {
break wait
}
}
case err := <-errch:
fmt.Fprintf(w, "Error %+v\n", err)
case <-time.After(1 * time.Minute):
log.Print("run_container:", "timeout")
break wait
}
}
stdout.Close()
}
func (j *DeleteContainerRequest) Execute(resp jobs.Response) {
unitName := j.Id.UnitNameFor()
unitPath := j.Id.UnitPathFor()
unitDefinitionsPath := j.Id.VersionedUnitsPathFor()
idleFlagPath := j.Id.IdleUnitPathFor()
socketUnitPath := j.Id.SocketUnitPathFor()
homeDirPath := j.Id.BaseHomePath()
runDirPath := j.Id.RunPathFor()
networkLinksPath := j.Id.NetworkLinksPathFor()
_, err := systemd.Connection().GetUnitProperties(unitName)
switch {
case systemd.IsNoSuchUnit(err):
resp.Success(jobs.ResponseOk)
return
case err != nil:
resp.Failure(ErrDeleteContainerFailed)
return
}
if err := systemd.Connection().StopUnitJob(unitName, "fail"); err != nil {
log.Printf("delete_container: Unable to queue stop unit job: %v", err)
}
ports, err := containers.GetExistingPorts(j.Id)
if err != nil {
if !os.IsNotExist(err) {
log.Printf("delete_container: Unable to read existing port definitions: %v", err)
}
ports = port.PortPairs{}
}
if err := port.ReleaseExternalPorts(ports); err != nil {
log.Printf("delete_container: Unable to release ports: %v", err)
}
if err := os.Remove(unitPath); err != nil && !os.IsNotExist(err) {
resp.Failure(ErrDeleteContainerFailed)
return
}
if err := os.Remove(idleFlagPath); err != nil && !os.IsNotExist(err) {
resp.Failure(ErrDeleteContainerFailed)
return
}
if err := j.Id.SetUnitStartOnBoot(false); err != nil {
log.Printf("delete_container: Unable to clear unit boot state: %v", err)
}
if err := os.Remove(socketUnitPath); err != nil && !os.IsNotExist(err) {
log.Printf("delete_container: Unable to remove socket unit path: %v", err)
}
if err := os.Remove(networkLinksPath); err != nil && !os.IsNotExist(err) {
log.Printf("delete_container: Unable to remove network links file: %v", err)
}
if err := os.RemoveAll(unitDefinitionsPath); err != nil {
log.Printf("delete_container: Unable to remove definitions for container: %v", err)
}
if err := os.RemoveAll(filepath.Dir(runDirPath)); err != nil {
log.Printf("delete_container: Unable to remove run directory: %v", err)
}
if err := os.RemoveAll(filepath.Dir(homeDirPath)); err != nil {
log.Printf("delete_container: Unable to remove home directory: %v", err)
}
if _, err := systemd.Connection().DisableUnitFiles([]string{unitPath, socketUnitPath}, false); err != nil {
log.Printf("delete_container: Some units have not been disabled: %v", err)
}
if err := systemd.Connection().Reload(); err != nil {
log.Printf("delete_container: Some units have not been disabled: %v", err)
}
resp.Success(jobs.ResponseOk)
}
func (p *purgeContainers) Execute(res jobs.Response) {
Clean()
res.Success(jobs.ResponseOk)
}
func (j DeleteFrontendRequest) Execute(resp jobs.Response) {
router.DeleteFrontend(j.Frontend)
resp.Success(jobs.ResponseOk)
}
func (j DeleteRouteRequest) Execute(resp jobs.Response) {
// TODO
resp.Success(jobs.ResponseOk)
}
func (j AddRouteRequest) Execute(resp jobs.Response) {
router.AddRoute(j.Frontend, j.FrontendPath, j.BackendPath, j.Protocols, j.Endpoints)
resp.Success(jobs.ResponseOk)
}
