func (o *OpenShiftLogsOptions) runLogsForDeployment(dc *deployapi.DeploymentConfig) error {
opts := deployapi.DeploymentLogOptions{
Follow: o.KubeLogOptions.Follow,
NoWait: false,
}
readCloser, err := o.OriginClient.DeploymentLogs(dc.Namespace).Get(dc.Name, opts).Stream()
if err != nil {
return err
}
defer readCloser.Close()
written, err := io.Copy(o.KubeLogOptions.Out, readCloser)
if err != nil {
return err
}
// If nothing is written, it means there are no logs returned. Normally
// in two cases we will get no logs: either if we don't want to wait
// for the deployer pod to be created (NoWait = true) or if the deployer
// pod has been deleted (successful deployment).
//
// Note that in case of manual pod deletion or deployment pruning, this may
// be inaccurate.
if written == 0 && !opts.NoWait {
if opts.Version == nil {
fmt.Fprintln(o.KubeLogOptions.Out, "Latest deployment successfully made active, no logs to show.")
return nil
}
fmt.Fprintf(o.KubeLogOptions.Out, "No logs exist for deployment %s.\n", deployutil.DeploymentNameForConfigVersion(dc.Name, *opts.Version))
}
return nil
}
// Create generates a new DeploymentConfig representing a rollback.
func (r *REST) Create(ctx kapi.Context, obj runtime.Object) (runtime.Object, error) {
namespace, ok := kapi.NamespaceFrom(ctx)
if !ok {
return nil, kerrors.NewBadRequest("namespace parameter required.")
}
rollback, ok := obj.(*deployapi.DeploymentConfigRollback)
if !ok {
return nil, kerrors.NewBadRequest(fmt.Sprintf("not a rollback spec: %#v", obj))
}
if errs := validation.ValidateDeploymentConfigRollback(rollback); len(errs) > 0 {
return nil, kerrors.NewInvalid(deployapi.Kind("DeploymentConfigRollback"), rollback.Name, errs)
}
from, err := r.dn.DeploymentConfigs(namespace).Get(rollback.Name)
if err != nil {
return nil, newInvalidError(rollback, fmt.Sprintf("cannot get deployment config %q: %v", rollback.Name, err))
}
switch from.Status.LatestVersion {
case 0:
return nil, newInvalidError(rollback, "cannot rollback an undeployed config")
case 1:
return nil, newInvalidError(rollback, fmt.Sprintf("no previous deployment exists for %q", deployutil.LabelForDeploymentConfig(from)))
}
revision := from.Status.LatestVersion - 1
if rollback.Spec.Revision > 0 {
revision = rollback.Spec.Revision
}
// Find the target deployment and decode its config.
name := deployutil.DeploymentNameForConfigVersion(from.Name, revision)
targetDeployment, err := r.rn.ReplicationControllers(namespace).Get(name)
if err != nil {
return nil, newInvalidError(rollback, err.Error())
}
to, err := deployutil.DecodeDeploymentConfig(targetDeployment, r.codec)
if err != nil {
return nil, newInvalidError(rollback, fmt.Sprintf("couldn't decode deployment config from deployment: %v", err))
}
if from.Annotations == nil && len(rollback.UpdatedAnnotations) > 0 {
from.Annotations = make(map[string]string)
}
for key, value := range rollback.UpdatedAnnotations {
from.Annotations[key] = value
}
return r.generator.GenerateRollback(from, to, &rollback.Spec)
}
return false, nil
}
return dc.Status.LatestVersion == 2, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("by checking that the second deployment exists"))
err = wait.PollImmediate(500*time.Millisecond, 30*time.Second, func() (bool, error) {
_, rcs, _, err := deploymentInfo(oc, name)
if err != nil {
return false, nil
}
secondDeploymentExists := false
for _, rc := range rcs {
if rc.Name == deployutil.DeploymentNameForConfigVersion(name, 2) {
secondDeploymentExists = true
break
}
}
return secondDeploymentExists, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("by checking that the first deployer was deleted and the second deployer exists"))
err = wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
_, _, pods, err := deploymentInfo(oc, name)
if err != nil {
return false, nil
}
// Get returns a streamer resource with the contents of the deployment log
func (r *REST) Get(ctx kapi.Context, name string, opts runtime.Object) (runtime.Object, error) {
// Ensure we have a namespace in the context
namespace, ok := kapi.NamespaceFrom(ctx)
if !ok {
return nil, errors.NewBadRequest("namespace parameter required.")
}
// Validate DeploymentLogOptions
deployLogOpts, ok := opts.(*deployapi.DeploymentLogOptions)
if !ok {
return nil, errors.NewBadRequest("did not get an expected options.")
}
if errs := validation.ValidateDeploymentLogOptions(deployLogOpts); len(errs) > 0 {
return nil, errors.NewInvalid(deployapi.Kind("DeploymentLogOptions"), "", errs)
}
// Fetch deploymentConfig and check latest version; if 0, there are no deployments
// for this config
config, err := r.dn.DeploymentConfigs(namespace).Get(name)
if err != nil {
return nil, errors.NewNotFound(deployapi.Resource("deploymentconfig"), name)
}
desiredVersion := config.Status.LatestVersion
if desiredVersion == 0 {
return nil, errors.NewBadRequest(fmt.Sprintf("no deployment exists for deploymentConfig %q", config.Name))
}
// Support retrieving logs for older deployments
switch {
case deployLogOpts.Version == nil:
// Latest or previous
if deployLogOpts.Previous {
desiredVersion--
if desiredVersion < 1 {
return nil, errors.NewBadRequest(fmt.Sprintf("no previous deployment exists for deploymentConfig %q", config.Name))
}
}
case *deployLogOpts.Version <= 0 || *deployLogOpts.Version > config.Status.LatestVersion:
// Invalid version
return nil, errors.NewBadRequest(fmt.Sprintf("invalid version for deploymentConfig %q: %d", config.Name, *deployLogOpts.Version))
default:
desiredVersion = *deployLogOpts.Version
}
// Get desired deployment
targetName := deployutil.DeploymentNameForConfigVersion(config.Name, desiredVersion)
target, err := r.waitForExistingDeployment(namespace, targetName)
if err != nil {
return nil, err
}
podName := deployutil.DeployerPodNameForDeployment(target.Name)
// Check for deployment status; if it is new or pending, we will wait for it. If it is complete,
// the deployment completed successfully and the deployer pod will be deleted so we will return a
// success message. If it is running or failed, retrieve the log from the deployer pod.
status := deployutil.DeploymentStatusFor(target)
switch status {
case deployapi.DeploymentStatusNew, deployapi.DeploymentStatusPending:
if deployLogOpts.NoWait {
glog.V(4).Infof("Deployment %s is in %s state. No logs to retrieve yet.", deployutil.LabelForDeployment(target), status)
return &genericrest.LocationStreamer{}, nil
}
glog.V(4).Infof("Deployment %s is in %s state, waiting for it to start...", deployutil.LabelForDeployment(target), status)
if err := deployutil.WaitForRunningDeployerPod(r.pn, target, r.timeout); err != nil {
return nil, errors.NewBadRequest(fmt.Sprintf("failed to run deployer pod %s: %v", podName, err))
}
latest, ok, err := registry.WaitForRunningDeployment(r.rn, target, r.timeout)
if err != nil {
return nil, errors.NewBadRequest(fmt.Sprintf("unable to wait for deployment %s to run: %v", deployutil.LabelForDeployment(target), err))
}
if !ok {
return nil, errors.NewServerTimeout(kapi.Resource("ReplicationController"), "get", 2)
}
if deployutil.DeploymentStatusFor(latest) == deployapi.DeploymentStatusComplete {
podName, err = r.returnApplicationPodName(target)
if err != nil {
return nil, err
}
}
case deployapi.DeploymentStatusComplete:
podName, err = r.returnApplicationPodName(target)
if err != nil {
return nil, err
}
}
logOpts := deployapi.DeploymentToPodLogOptions(deployLogOpts)
location, transport, err := pod.LogLocation(&podGetter{r.pn}, r.connInfo, ctx, podName, logOpts)
if err != nil {
return nil, errors.NewBadRequest(err.Error())
}
return &genericrest.LocationStreamer{
Location: location,
Transport: transport,
ContentType: "text/plain",
Flush: deployLogOpts.Follow,
ResponseChecker: genericrest.NewGenericHttpResponseChecker(kapi.Resource("pod"), podName),
}, nil
}
return false, nil
}
return dc.Status.LatestVersion == 2, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("by checking that the second deployment exists"))
err = wait.PollImmediate(500*time.Millisecond, 30*time.Second, func() (bool, error) {
_, rcs, _, err := deploymentInfo(oc, name)
if err != nil {
return false, nil
}
secondDeploymentExists := false
for _, rc := range rcs {
if rc.Name == deployutil.DeploymentNameForConfigVersion(name, 2) {
secondDeploymentExists = true
break
}
}
return secondDeploymentExists, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
g.By(fmt.Sprintf("by checking that the first deployer was deleted and the second deployer exists"))
err = wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
_, _, pods, err := deploymentInfo(oc, name)
if err != nil {
return false, nil
}
// Get returns a streamer resource with the contents of the deployment log
func (r *REST) Get(ctx kapi.Context, name string, opts runtime.Object) (runtime.Object, error) {
// Ensure we have a namespace in the context
namespace, ok := kapi.NamespaceFrom(ctx)
if !ok {
return nil, errors.NewBadRequest("namespace parameter required.")
}
// Validate DeploymentLogOptions
deployLogOpts, ok := opts.(*deployapi.DeploymentLogOptions)
if !ok {
return nil, errors.NewBadRequest("did not get an expected options.")
}
if errs := validation.ValidateDeploymentLogOptions(deployLogOpts); len(errs) > 0 {
return nil, errors.NewInvalid("deploymentLogOptions", "", errs)
}
// Fetch deploymentConfig and check latest version; if 0, there are no deployments
// for this config
config, err := r.ConfigGetter.DeploymentConfigs(namespace).Get(name)
if err != nil {
return nil, errors.NewNotFound("deploymentConfig", name)
}
desiredVersion := config.Status.LatestVersion
if desiredVersion == 0 {
return nil, errors.NewBadRequest(fmt.Sprintf("no deployment exists for deploymentConfig %q", config.Name))
}
// Support retrieving logs for older deployments
switch {
case deployLogOpts.Version == nil:
// Latest
case *deployLogOpts.Version <= 0 || int(*deployLogOpts.Version) > config.Status.LatestVersion:
// Invalid version
return nil, errors.NewBadRequest(fmt.Sprintf("invalid version for deploymentConfig %q: %d", config.Name, *deployLogOpts.Version))
default:
desiredVersion = int(*deployLogOpts.Version)
}
// Get desired deployment
targetName := deployutil.DeploymentNameForConfigVersion(config.Name, desiredVersion)
target, err := r.DeploymentGetter.ReplicationControllers(namespace).Get(targetName)
if err != nil {
return nil, err
}
// Check for deployment status; if it is new or pending, we will wait for it. If it is complete,
// the deployment completed successfully and the deployer pod will be deleted so we will return a
// success message. If it is running or failed, retrieve the log from the deployer pod.
status := deployutil.DeploymentStatusFor(target)
switch status {
case deployapi.DeploymentStatusNew, deployapi.DeploymentStatusPending:
if deployLogOpts.NoWait {
glog.V(4).Infof("Deployment %s is in %s state. No logs to retrieve yet.", deployutil.LabelForDeployment(target), status)
return &genericrest.LocationStreamer{}, nil
}
glog.V(4).Infof("Deployment %s is in %s state, waiting for it to start...", deployutil.LabelForDeployment(target), status)
latest, ok, err := registry.WaitForRunningDeployment(r.DeploymentGetter, target, r.Timeout)
if err != nil {
return nil, errors.NewBadRequest(fmt.Sprintf("unable to wait for deployment %s to run: %v", deployutil.LabelForDeployment(target), err))
}
if !ok {
return nil, errors.NewTimeoutError(fmt.Sprintf("timed out waiting for deployment %s to start after %s", deployutil.LabelForDeployment(target), r.Timeout), 1)
}
if deployutil.DeploymentStatusFor(latest) == deployapi.DeploymentStatusComplete {
// Deployer pod has been deleted, no logs to retrieve
glog.V(4).Infof("Deployment %s was successful so the deployer pod is deleted. No logs to retrieve.", deployutil.LabelForDeployment(target))
return &genericrest.LocationStreamer{}, nil
}
case deployapi.DeploymentStatusComplete:
// Deployer pod has been deleted, no logs to retrieve
glog.V(4).Infof("Deployment %s was successful so the deployer pod is deleted. No logs to retrieve.", deployutil.LabelForDeployment(target))
return &genericrest.LocationStreamer{}, nil
}
// Setup url of the deployer pod
deployPodName := deployutil.DeployerPodNameForDeployment(target.Name)
logOpts := deployapi.DeploymentToPodLogOptions(deployLogOpts)
location, transport, err := pod.LogLocation(r.PodGetter, r.ConnectionInfo, ctx, deployPodName, logOpts)
if err != nil {
return nil, errors.NewBadRequest(err.Error())
}
return &genericrest.LocationStreamer{
Location: location,
Transport: transport,
ContentType: "text/plain",
Flush: deployLogOpts.Follow,
ResponseChecker: genericrest.NewGenericHttpResponseChecker("Pod", deployPodName),
}, nil
}