chore!: adjust stopped status actions for the update image and others

pkg/instance/build.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"path/filepath"
 	"sync"
-	"time"
 
 	"github.com/google/uuid"
 	"github.com/sirupsen/logrus"
@@ -47,7 +46,7 @@ func (b *build) SetImagePullPolicy(pullPolicy v1.PullPolicy) {
 // SetImage sets the image of the instance.
 // It is only allowed in the 'None' and 'Preparing' states.
 func (b *build) SetImage(ctx context.Context, image string) error {
-	if !b.instance.IsInState(StateNone, StatePreparing) {
+	if !b.instance.IsInState(StateNone, StatePreparing, StateStopped) {
 		if b.instance.sidecars.IsSidecar() {
 			return ErrSettingImageNotAllowedForSidecarsStarted
 		}
@@ -95,7 +94,7 @@ func (b *build) SetGitRepo(ctx context.Context, gitContext builder.GitContext) e
 // SetStartCommand sets the command to run in the instance
 // This function can only be called when the instance is in state 'Preparing' or 'Committed'
 func (b *build) SetStartCommand(command ...string) error {
-	if !b.instance.IsInState(StatePreparing, StateCommitted) {
+	if !b.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrSettingCommand.WithParams(b.instance.state.String())
 	}
 	b.command = command
@@ -105,7 +104,7 @@ func (b *build) SetStartCommand(command ...string) error {
 // SetArgs sets the arguments passed to the instance
 // This function can only be called in the states 'Preparing' or 'Committed'
 func (b *build) SetArgs(args ...string) error {
-	if !b.instance.IsInState(StatePreparing, StateCommitted) {
+	if !b.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrSettingArgsNotAllowed.WithParams(b.instance.state.String())
 	}
 	b.args = args
@@ -228,7 +227,7 @@ func (b *build) addFileToBuilder(src, dest, chown string) {
 // SetEnvironmentVariable sets the given environment variable in the instance
 // This function can only be called in the states 'Preparing' and 'Committed'
 func (b *build) SetEnvironmentVariable(key, value string) error {
-	if !b.instance.IsInState(StatePreparing, StateCommitted) {
+	if !b.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrSettingEnvNotAllowed.WithParams(b.instance.state.String())
 	}
 	b.instance.Logger.WithFields(logrus.Fields{
@@ -245,29 +244,6 @@ func (b *build) SetEnvironmentVariable(key, value string) error {
 	return nil
 }
 
-// setImageWithGracePeriod sets the image of the instance with a grace period
-func (b *build) setImageWithGracePeriod(ctx context.Context, imageName string, gracePeriod time.Duration) error {
-	b.imageName = imageName
-
-	var gracePeriodInSecondsPtr *int64
-	if gracePeriod != 0 {
-		gpInSeconds := int64(gracePeriod.Seconds())
-		gracePeriodInSecondsPtr = &gpInSeconds
-	}
-	_, err := b.instance.K8sClient.ReplaceReplicaSetWithGracePeriod(ctx, b.instance.execution.prepareReplicaSetConfig(), gracePeriodInSecondsPtr)
-	if err != nil {
-		return ErrReplacingPod.Wrap(err)
-	}
-
-	if err := b.instance.execution.WaitInstanceIsRunning(ctx); err != nil {
-		return ErrWaitingInstanceIsRunning.Wrap(err)
-	}
-
-	return nil
-}
-
-// imageCache maps image hash values to image names
-
 // checkImageHashInCache checks if the given image hash exists in the cache.
 func (b *build) checkImageHashInCache(imageHash string) (string, bool) {
 	value, exists := b.imageCache.Load(imageHash)

pkg/instance/errors.go

@@ -217,6 +217,7 @@ var (
 	ErrSidecarInstanceIsNil                      = errors.New("SidecarInstanceIsNil", "sidecar instance is nil for instance '%s'")
 	ErrFailedToDeletePersistentVolumeClaim       = errors.New("FailedToDeletePersistentVolumeClaim", "failed to delete persistent volume claim")
 	ErrUpgradingImageNotAllowed                  = errors.New("UpgradingImageNotAllowed", "upgrading image is only allowed in state 'Started'. Current state is '%s'")
+	ErrAddingHostToProxyNotAllowed               = errors.New("AddingHostToProxyNotAllowed", "adding host to proxy is only allowed in state 'Started' and 'Preparing'. Current state is '%s'")
 	ErrInstanceNameAlreadyExists                 = errors.New("InstanceNameAlreadyExists", "instance name '%s' already exists")
 	ErrSettingSidecarName                        = errors.New("SettingSidecarName", "error setting sidecar name with prefix '%s' for instance '%s'")
 )

pkg/instance/execution.go

@@ -216,6 +216,10 @@ func (e *execution) Stop(ctx context.Context) error {
 	return nil
 }
 
+func (b *execution) SetImage(ctx context.Context, image string) error {
+	return b.instance.build.SetImage(ctx, image)
+}
+
 // Labels returns the labels for the instance
 func (e *execution) Labels() map[string]string {
 	return map[string]string{
@@ -264,18 +268,6 @@ func (e *execution) Destroy(ctx context.Context) error {
 	return nil
 }
 
-func (e *execution) UpgradeImage(ctx context.Context, image string) error {
-	return e.UpgradeImageWithGracePeriod(ctx, image, 0)
-}
-
-func (e *execution) UpgradeImageWithGracePeriod(ctx context.Context, image string, gracePeriod time.Duration) error {
-	if !e.instance.IsInState(StateStarted) {
-		return ErrUpgradingImageNotAllowed.WithParams(e.instance.state.String())
-	}
-
-	return e.instance.build.setImageWithGracePeriod(ctx, image, gracePeriod)
-}
-
 // BatchDestroy destroys a list of instances.
 func BatchDestroy(ctx context.Context, instances ...*Instance) error {
 	if os.Getenv("KNUU_SKIP_CLEANUP") == "true" {

pkg/instance/monitoring.go

@@ -76,7 +76,7 @@ func (m *monitoring) SetStartupProbe(startupProbe *v1.Probe) error {
 
 // checkStateForProbe checks if the current state is allowed for setting a probe
 func (m *monitoring) checkStateForProbe() error {
-	if !m.instance.IsInState(StatePreparing, StateCommitted) {
+	if !m.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrSettingProbeNotAllowed.WithParams(m.instance.state.String())
 	}
 	return nil

pkg/instance/network.go

@@ -21,9 +21,9 @@ func (i *Instance) Network() *network {
 }
 
 // AddPortTCP adds a TCP port to the instance
-// This function can be called in the states 'Preparing' and 'Committed'
+// This function can be called in the states 'Preparing', 'Committed' and 'Stopped'
 func (n *network) AddPortTCP(port int) error {
-	if !n.instance.IsInState(StatePreparing, StateCommitted) {
+	if !n.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingPortNotAllowed.WithParams(n.instance.state.String())
 	}
 
@@ -97,9 +97,9 @@ func (n *network) PortForwardTCP(ctx context.Context, port int) (int, error) {
 }
 
 // AddPortUDP adds a UDP port to the instance
-// This function can be called in the states 'Preparing' and 'Committed'
+// This function can be called in the states 'Preparing', 'Committed' and 'Stopped'
 func (n *network) AddPortUDP(port int) error {
-	if !n.instance.IsInState(StatePreparing, StateCommitted) {
+	if !n.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingPortNotAllowed.WithParams(n.instance.state.String())
 	}
 

pkg/instance/proxy.go

@@ -11,6 +11,10 @@ const (
 )
 
 func (n *network) AddHost(ctx context.Context, port int) (host string, err error) {
+	if !n.instance.IsInState(StateStarted, StatePreparing, StateCommitted) {
+		return "", ErrAddingHostToProxyNotAllowed.WithParams(n.instance.state.String())
+	}
+
 	if n.instance.Proxy == nil {
 		return "", ErrProxyNotInitialized
 	}

pkg/instance/resources.go

@@ -20,9 +20,9 @@ func (i *Instance) Resources() *resources {
 }
 
 // SetMemory sets the memory of the instance
-// This function can only be called in the states 'Preparing' and 'Committed'
+// This function can only be called in the states 'Preparing', 'Committed' and 'Stopped'
 func (r *resources) SetMemory(request, limit resource.Quantity) error {
-	if !r.instance.IsInState(StatePreparing, StateCommitted) {
+	if !r.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrSettingMemoryNotAllowed.WithParams(r.instance.state.String())
 	}
 	r.memoryRequest = request
@@ -36,9 +36,9 @@ func (r *resources) SetMemory(request, limit resource.Quantity) error {
 }
 
 // SetCPU sets the CPU of the instance
-// This function can only be called in the states 'Preparing' and 'Committed'
+// This function can only be called in the states 'Preparing', 'Committed' and 'Stopped'
 func (r *resources) SetCPU(request resource.Quantity) error {
-	if !r.instance.IsInState(StatePreparing, StateCommitted) {
+	if !r.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrSettingCPUNotAllowed.WithParams(r.instance.state.String())
 	}
 	r.cpuRequest = request

pkg/instance/security.go

@@ -27,19 +27,19 @@ func (i *Instance) Security() *security {
 }
 
 // AddPolicyRule adds a policy rule to the instance
-// This function can only be called in the states 'Preparing' and 'Committed'
+// This function can only be called in the states 'Preparing', 'Committed' and 'Stopped'
 func (s *security) AddPolicyRule(rule rbacv1.PolicyRule) error {
-	if !s.instance.IsInState(StatePreparing, StateCommitted) {
+	if !s.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingPolicyRuleNotAllowed.WithParams(s.instance.state.String())
 	}
 	s.policyRules = append(s.policyRules, rule)
 	return nil
 }
 
 // SetPrivileged sets the privileged status for the instance
-// This function can only be called in the state 'Preparing' or 'Committed'
+// This function can only be called in the state 'Preparing', 'Committed' or 'Stopped'
 func (s *security) SetPrivileged(privileged bool) error {
-	if !s.instance.IsInState(StatePreparing, StateCommitted) {
+	if !s.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrSettingPrivilegedNotAllowed.WithParams(s.instance.state.String())
 	}
 	s.privileged = privileged
@@ -51,9 +51,9 @@ func (s *security) SetPrivileged(privileged bool) error {
 }
 
 // AddKubernetesCapability adds a Kubernetes capability to the instance
-// This function can only be called in the state 'Preparing' or 'Committed'
+// This function can only be called in the state 'Preparing', 'Committed' or 'Stopped'
 func (s *security) AddKubernetesCapability(capability string) error {
-	if !s.instance.IsInState(StatePreparing, StateCommitted) {
+	if !s.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingCapabilityNotAllowed.WithParams(s.instance.state.String())
 	}
 	s.capabilitiesAdd = append(s.capabilitiesAdd, capability)
@@ -65,9 +65,9 @@ func (s *security) AddKubernetesCapability(capability string) error {
 }
 
 // AddKubernetesCapabilities adds multiple Kubernetes capabilities to the instance
-// This function can only be called in the state 'Preparing' or 'Committed'
+// This function can only be called in the state 'Preparing', 'Committed' or 'Stopped'
 func (s *security) AddKubernetesCapabilities(capabilities []string) error {
-	if !s.instance.IsInState(StatePreparing, StateCommitted) {
+	if !s.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingCapabilitiesNotAllowed.WithParams(s.instance.state.String())
 	}
 	s.capabilitiesAdd = append(s.capabilitiesAdd, capabilities...)

pkg/instance/sidecars.go

@@ -36,12 +36,12 @@ func (s *sidecars) IsSidecar() bool {
 }
 
 // Add adds a sidecar to the instance
-// This function can only be called in the state 'Preparing' or 'Committed'
+// This function can only be called in the state 'Preparing', 'Committed' or 'Stopped'
 func (s *sidecars) Add(ctx context.Context, sc SidecarManager) error {
 	if sc == nil {
 		return ErrSidecarIsNil
 	}
-	if !s.instance.IsInState(StatePreparing, StateCommitted) {
+	if !s.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingSidecarNotAllowed.WithParams(s.instance.state.String())
 	}
 

pkg/instance/storage.go

@@ -50,7 +50,7 @@ func (s *storage) AddFile(src string, dest string, chown string) error {
 	case StatePreparing:
 		s.instance.build.addFileToBuilder(src, dest, chown)
 		return nil
-	case StateCommitted:
+	case StateCommitted, StateStopped:
 		return s.addFileToInstance(dstPath, dest, chown)
 	}
 
@@ -64,9 +64,9 @@ func (s *storage) AddFile(src string, dest string, chown string) error {
 }
 
 // AddFolder adds a folder to the instance
-// This function can only be called in the state 'Preparing' or 'Committed'
+// This function can only be called in the state 'Preparing', 'Committed' or 'Stopped'
 func (s *storage) AddFolder(src string, dest string, chown string) error {
-	if !s.instance.IsInState(StatePreparing, StateCommitted) {
+	if !s.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingFolderNotAllowed.WithParams(s.instance.state.String())
 	}
 
@@ -141,7 +141,7 @@ func (s *storage) AddFileBytes(bytes []byte, dest string, chown string) error {
 
 // AddVolume adds a volume to the instance
 // The owner of the volume is set to 0, if you want to set a custom owner use AddVolumeWithOwner
-// This function can only be called in the states 'Preparing' and 'Committed'
+// This function can only be called in the states 'Preparing', 'Committed' and 'Stopped'
 func (s *storage) AddVolume(path string, size resource.Quantity) error {
 	// temporary feat, we will remove it once we can add multiple volumes
 	if len(s.volumes) > 0 {
@@ -155,9 +155,9 @@ func (s *storage) AddVolume(path string, size resource.Quantity) error {
 }
 
 // AddVolumeWithOwner adds a volume to the instance with the given owner
-// This function can only be called in the states 'Preparing' and 'Committed'
+// This function can only be called in the states 'Preparing', 'Committed' and 'Stopped'
 func (s *storage) AddVolumeWithOwner(path string, size resource.Quantity, owner int64) error {
-	if !s.instance.IsInState(StatePreparing, StateCommitted) {
+	if !s.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingVolumeNotAllowed.WithParams(s.instance.state.String())
 	}
 	// temporary feat, we will remove it once we can add multiple volumes
@@ -295,7 +295,7 @@ func (s *storage) addFileToInstance(dstPath, dest, chown string) error {
 
 // checkStateForAddingFile checks if the current state allows adding a file
 func (s *storage) checkStateForAddingFile() error {
-	if !s.instance.IsInState(StatePreparing, StateCommitted) {
+	if !s.instance.IsInState(StatePreparing, StateCommitted, StateStopped) {
 		return ErrAddingFileNotAllowed.WithParams(s.instance.state.String())
 	}
 	return nil