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fix(pro): always check for available template updates and wait for changed parameters to be applied #1567

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63 changes: 61 additions & 2 deletions cmd/pro/provider/up.go
Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,23 @@ package provider

import (
"context"
"encoding/json"
"fmt"
"io"
"os"

"github.com/loft-sh/devpod/cmd/pro/flags"
"github.com/loft-sh/devpod/pkg/client/clientimplementation"
"github.com/loft-sh/devpod/pkg/platform"
"github.com/loft-sh/devpod/pkg/platform/client"
"github.com/loft-sh/devpod/pkg/platform/remotecommand"
"github.com/loft-sh/log"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"

managementv1 "github.com/loft-sh/api/v4/pkg/apis/management/v1"
storagev1 "github.com/loft-sh/api/v4/pkg/apis/storage/v1"
corev1 "k8s.io/api/core/v1"
)

// UpCmd holds the cmd flags:
Expand All @@ -33,9 +37,15 @@ type streams struct {

// NewUpCmd creates a new command
func NewUpCmd(globalFlags *flags.GlobalFlags) *cobra.Command {
logLevel := logrus.InfoLevel
if os.Getenv(clientimplementation.DevPodDebug) == "true" || globalFlags.Debug {
logLevel = logrus.DebugLevel
}

cmd := &UpCmd{
GlobalFlags: globalFlags,
Log: log.GetInstance(),
Log: log.NewStreamLoggerWithFormat( /* we don't use stdout */ nil,
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os.Stderr, logLevel, log.JSONFormat).ErrorStreamOnly(),
streams: streams{
Stdin: os.Stdin,
Stdout: os.Stdout,
Expand Down Expand Up @@ -69,6 +79,24 @@ func (cmd *UpCmd) Run(ctx context.Context) error {
instance, err := platform.FindInstanceInProject(ctx, baseClient, info.UID, info.ProjectName)
if err != nil {
return err
} else if instance == nil {
return fmt.Errorf("workspace %s not found in project %s. Looks like it does not exist anymore and you can delete it", info.ID, info.ProjectName)
}

// Log current workspace information. This is both useful to the user to understand the workspace configuration
// and to us when we receive troubleshooting logs
printInstanceInfo(instance, cmd.Log)

if instance.Spec.TemplateRef != nil && templateUpdateRequired(instance) {
cmd.Log.Info("Template update required")
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oldInstance := instance.DeepCopy()
instance.Spec.TemplateRef.SyncOnce = true

instance, err = platform.UpdateInstance(ctx, baseClient, oldInstance, instance, cmd.Log)
if err != nil {
return fmt.Errorf("update instance: %w", err)
}
cmd.Log.Info("Successfully updated template")
}

return cmd.up(ctx, instance, baseClient)
Expand All @@ -85,10 +113,41 @@ func (cmd *UpCmd) up(ctx context.Context, workspace *managementv1.DevPodWorkspac
return err
}

_, err = remotecommand.ExecuteConn(ctx, conn, cmd.streams.Stdin, cmd.streams.Stdout, cmd.streams.Stderr, cmd.Log.ErrorStreamOnly())
_, err = remotecommand.ExecuteConn(ctx, conn, cmd.streams.Stdin, cmd.streams.Stdout, cmd.streams.Stderr, cmd.Log)
if err != nil {
return fmt.Errorf("error executing: %w", err)
}

return nil
}

func templateUpdateRequired(instance *managementv1.DevPodWorkspaceInstance) bool {
var templateResolved, templateChangesAvailable bool
for _, condition := range instance.Status.Conditions {
if condition.Type == storagev1.InstanceTemplateResolved {
templateResolved = condition.Status == corev1.ConditionTrue
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continue
}

if condition.Type == storagev1.InstanceTemplateSynced {
templateChangesAvailable = condition.Status == corev1.ConditionFalse &&
condition.Reason == "TemplateChangesAvailable"
continue
}
}

return !templateResolved || templateChangesAvailable
}

func printInstanceInfo(instance *managementv1.DevPodWorkspaceInstance, log log.Logger) {
workspaceConfig, _ := json.Marshal(struct {
Runner storagev1.RunnerRef
Template *storagev1.TemplateRef
Parameters string
}{
Runner: instance.Spec.RunnerRef,
Template: instance.Spec.TemplateRef,
Parameters: instance.Spec.Parameters,
})
log.Info("Starting pro workspace with configuration", string(workspaceConfig))
}
24 changes: 4 additions & 20 deletions cmd/pro/provider/update/workspace.go
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,6 @@ import (
"github.com/loft-sh/log/terminal"
"github.com/spf13/cobra"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
ctrlclient "sigs.k8s.io/controller-runtime/pkg/client"
)

// WorkspaceCmd holds the cmd flags
Expand Down Expand Up @@ -112,25 +111,10 @@ func (cmd *WorkspaceCmd) Run(ctx context.Context, stdin io.Reader, stdout io.Wri
}

func updateInstance(ctx context.Context, client client.Client, oldInstance *managementv1.DevPodWorkspaceInstance, newInstance *managementv1.DevPodWorkspaceInstance, log log.Logger) (*managementv1.DevPodWorkspaceInstance, error) {
managementClient, err := client.Management()
if err != nil {
return nil, err
}

patch := ctrlclient.MergeFrom(oldInstance)
data, err := patch.Data(newInstance)
if err != nil {
return nil, err
} else if len(data) == 0 || string(data) == "{}" {
return newInstance, nil
}

res, err := managementClient.Loft().ManagementV1().
DevPodWorkspaceInstances(oldInstance.GetNamespace()).
Patch(ctx, oldInstance.GetName(), patch.Type(), data, metav1.PatchOptions{})
if err != nil {
return nil, err
// This ensures the template is kept up to date with configuration changes
if newInstance.Spec.TemplateRef != nil {
newInstance.Spec.TemplateRef.SyncOnce = true
}

return platform.WaitForInstance(ctx, client, res, log)
return platform.UpdateInstance(ctx, client, oldInstance, newInstance, log)
}
2 changes: 1 addition & 1 deletion pkg/ide/vscode/open.go
Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,7 @@ func openViaCLI(ctx context.Context, workspace, folder string, newWindow bool, f
// Needs to be separated by `=` because of windows
folderUriArg := fmt.Sprintf("--folder-uri=vscode-remote://ssh-remote+%s.devpod/%s", workspace, folder)
args = append(args, folderUriArg)
log.Debugf("Run %s command %s %s", flavor, codePath, strings.Join(args, " "))
log.Debugf("Run %s command %s %s", flavor.DisplayName(), codePath, strings.Join(args, " "))
out, err = exec.CommandContext(ctx, codePath, args...).CombinedOutput()
if err != nil {
return command.WrapCommandError(out, err)
Expand Down
56 changes: 55 additions & 1 deletion pkg/platform/instance.go
Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,10 @@ import (
"github.com/loft-sh/devpod/pkg/platform/client"
"github.com/loft-sh/devpod/pkg/platform/project"
"github.com/loft-sh/log"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
ctrlclient "sigs.k8s.io/controller-runtime/pkg/client"
)

type WorkspaceInfo struct {
Expand Down Expand Up @@ -159,6 +161,32 @@ func DialInstance(baseClient client.Client, workspace *managementv1.DevPodWorksp
return conn, nil
}

// UpdateInstance diffs two versions of a DevPodWorkspaceInstance, applies changes via a patch to reduce conflicts.
// Afterwards it waits until the instance is ready to be used.
func UpdateInstance(ctx context.Context, client client.Client, oldInstance *managementv1.DevPodWorkspaceInstance, newInstance *managementv1.DevPodWorkspaceInstance, log log.Logger) (*managementv1.DevPodWorkspaceInstance, error) {
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managementClient, err := client.Management()
if err != nil {
return nil, err
}

patch := ctrlclient.MergeFrom(oldInstance)
data, err := patch.Data(newInstance)
if err != nil {
return nil, err
} else if len(data) == 0 || string(data) == "{}" {
return newInstance, nil
}

res, err := managementClient.Loft().ManagementV1().
DevPodWorkspaceInstances(oldInstance.GetNamespace()).
Patch(ctx, oldInstance.GetName(), patch.Type(), data, metav1.PatchOptions{})
if err != nil {
return nil, err
}

return WaitForInstance(ctx, client, res, log)
}

func WaitForInstance(ctx context.Context, client client.Client, instance *managementv1.DevPodWorkspaceInstance, log log.Logger) (*managementv1.DevPodWorkspaceInstance, error) {
managementClient, err := client.Management()
if err != nil {
Expand All @@ -182,8 +210,18 @@ func WaitForInstance(ctx context.Context, client client.Client, instance *manage
return false, nil
}

if !isTemplateSynced(updatedInstance) {
log.Debugf("Workspace template is not ready yet")
for _, cond := range updatedInstance.Status.Conditions {
if cond.Status != corev1.ConditionTrue {
log.Debugf("%s is %s (%s): %s", cond.Type, cond.Status, cond.Reason, cond.Message)
}
}
return false, nil
}

if !isRunnerReady(updatedInstance, storagev1.BuiltinRunnerName) {
log.Debugf("Runner is not ready yet, waiting until its ready", name, status.Phase)
log.Debugf("Runner is not ready yet", name, status.Phase)
return false, nil
}

Expand Down Expand Up @@ -218,3 +256,19 @@ func isRunnerReady(workspace *managementv1.DevPodWorkspaceInstance, builtinRunne
return workspace.GetAnnotations() != nil &&
workspace.GetAnnotations()[storagev1.DevPodWorkspaceRunnerEndpointAnnotation] != ""
}

func isTemplateSynced(workspace *managementv1.DevPodWorkspaceInstance) bool {
// We're still waiting for the sync to happen
// The controller will remove this field once it's done syncing
if workspace.Spec.TemplateRef != nil && workspace.Spec.TemplateRef.SyncOnce {
return false
}

for _, condition := range workspace.Status.Conditions {
if condition.Type == storagev1.InstanceTemplateResolved {
return condition.Status == corev1.ConditionTrue
}
}

return false
}
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