chore: rename chrek to Dynamo Snapshot (#7028)

Signed-off-by: Schwinn Saereesitthipitak <17022745+galletas1712@users.noreply.github.com>

.github/filters.yaml

@@ -108,7 +108,7 @@ deploy:
   - *ci
   - 'deploy/helm/**'
   - 'deploy/utils/**'
-  - 'deploy/chrek/**'
+  - 'deploy/snapshot/**'
   - 'tests/deploy/**'
 
 planner:

components/src/dynamo/sglang/init_llm.py

@@ -61,16 +61,16 @@ async def init_decode(
     shutdown_event: asyncio.Event,
     shutdown_endpoints: list,
     run_deferred_handlers: Callable[[], Awaitable[None]] | None = None,
-    checkpoint_restore_engine: Optional[sgl.Engine] = None,
+    snapshot_engine: Optional[sgl.Engine] = None,
 ) -> None:
     server_args, dynamo_args = config.server_args, config.dynamo_args
 
     if server_args.node_rank >= 1:
         os.environ["SGLANG_BLOCK_NONZERO_RANK_CHILDREN"] = "0"
 
-    # Use pre-created engine if provided (checkpoint/restore mode)
-    if checkpoint_restore_engine is not None:
-        engine = checkpoint_restore_engine
+    # Use pre-created engine if provided (snapshot mode)
+    if snapshot_engine is not None:
+        engine = snapshot_engine
         load_time = 0.0
     else:
         start_time = time.time()
@@ -151,16 +151,16 @@ async def init_prefill(
     shutdown_event: asyncio.Event,
     shutdown_endpoints: list,
     run_deferred_handlers: Callable[[], Awaitable[None]] | None = None,
-    checkpoint_restore_engine: Optional[sgl.Engine] = None,
+    snapshot_engine: Optional[sgl.Engine] = None,
 ) -> None:
     server_args, dynamo_args = config.server_args, config.dynamo_args
 
     if server_args.node_rank >= 1:
         os.environ["SGLANG_BLOCK_NONZERO_RANK_CHILDREN"] = "0"
 
-    # Use pre-created engine if provided (checkpoint/restore mode)
-    if checkpoint_restore_engine is not None:
-        engine = checkpoint_restore_engine
+    # Use pre-created engine if provided (snapshot mode)
+    if snapshot_engine is not None:
+        engine = snapshot_engine
     else:
         engine = sgl.Engine(server_args=server_args)
 

components/src/dynamo/sglang/main.py

@@ -12,7 +12,6 @@ from dynamo.common.constants import DisaggregationMode
 from dynamo.common.utils.runtime import create_runtime
 from dynamo.runtime.logging import configure_dynamo_logging
 from dynamo.sglang.args import parse_args
-from dynamo.sglang.checkpoint_restore import handle_checkpoint_mode
 from dynamo.sglang.init_diffusion import (
     init_image_diffusion,
     init_llm_diffusion,
@@ -27,6 +26,7 @@ from dynamo.sglang.init_multimodal import (
     init_multimodal_worker,
 )
 from dynamo.sglang.shutdown import install_graceful_shutdown
+from dynamo.sglang.snapshot import handle_checkpoint_mode
 
 configure_dynamo_logging()
 
@@ -41,9 +41,7 @@ async def worker():
         config.server_args.load_format = setup_gms(config.server_args)
 
     # Checkpoint mode: engine must be created BEFORE runtime (no NATS/etcd during CRIU)
-    should_exit, checkpoint_restore_engine = await handle_checkpoint_mode(
-        config.server_args
-    )
+    should_exit, snapshot_engine = await handle_checkpoint_mode(config.server_args)
     if should_exit:
         return
 
@@ -129,7 +127,7 @@ async def worker():
             shutdown_event,
             shutdown_endpoints,
             run_deferred_handlers,
-            checkpoint_restore_engine=checkpoint_restore_engine,
+            snapshot_engine=snapshot_engine,
         )
     else:
         await init_prefill(
@@ -138,7 +136,7 @@ async def worker():
             shutdown_event,
             shutdown_endpoints,
             run_deferred_handlers,
-            checkpoint_restore_engine=checkpoint_restore_engine,
+            snapshot_engine=snapshot_engine,
         )
 
 

components/src/dynamo/sglang/checkpoint_restore.py → components/src/dynamo/sglang/snapshot.py

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 """
-Checkpoint/restore (chrek) integration for SGLang workers.
+Dynamo Snapshot integration for SGLang workers.
 
 Handles the checkpoint job pod lifecycle:
 1. Early exit if a checkpoint already exists (idempotency)
@@ -164,7 +164,7 @@ class CheckpointConfig:
     def _install_signal_handlers(self) -> None:
         loop = asyncio.get_running_loop()
         loop.add_signal_handler(signal.SIGUSR1, self._checkpoint_done.set)
-        # SIGCONT is used as the restore-complete signal. The chrek DaemonSet
+        # SIGCONT is used as the restore-complete signal. The snapshot DaemonSet
         # watcher is the only sender, so there is no conflict with POSIX
         # job-control semantics in practice.
         loop.add_signal_handler(signal.SIGCONT, self._restore_done.set)
@@ -197,7 +197,7 @@ class CheckpointConfig:
 
 
 async def handle_checkpoint_mode(server_args) -> tuple[bool, Optional[sgl.Engine]]:
-    """Single entry point for checkpoint/restore integration.
+    """Single entry point for Dynamo Snapshot integration.
 
     Must be called BEFORE runtime creation so the engine can be checkpointed
     without active NATS/etcd connections.

components/src/dynamo/vllm/main.py

@@ -42,7 +42,6 @@ from dynamo.runtime.logging import configure_dynamo_logging
 from dynamo.vllm.worker_factory import WorkerFactory
 
 from .args import Config, _uses_dynamo_connector, parse_args
-from .checkpoint_restore import get_checkpoint_config
 from .constants import DisaggregationMode
 from .handlers import DecodeWorkerHandler, PrefillWorkerHandler, get_dp_range_for_worker
 from .health_check import (
@@ -51,6 +50,7 @@ from .health_check import (
     VllmPrefillHealthCheckPayload,
 )
 from .publisher import DYNAMO_COMPONENT_REGISTRY, StatLoggerFactory
+from .snapshot import get_checkpoint_config
 
 # Optional imports for frontend decoding support
 MediaDecoder: type | None = None
@@ -135,15 +135,15 @@ async def worker() -> None:
 
     # CHECKPOINT MODE: Load engine BEFORE runtime creation
     # This allows checkpointing GPU state before runtime connections are established
-    checkpoint_restore_engine = None
+    snapshot_engine = None
     if checkpoint_cfg is not None:
         logger.info("Checkpoint mode enabled (watcher-driven signals)")
 
         # Checkpoint mode requires sleep mode — enable before engine init
         config.engine_args.enable_sleep_mode = True
 
-        checkpoint_restore_engine = setup_vllm_engine(config)
-        engine_client = checkpoint_restore_engine[0]
+        snapshot_engine = setup_vllm_engine(config)
+        engine_client = snapshot_engine[0]
 
         if not await checkpoint_cfg.run_lifecycle(
             engine_client, CHECKPOINT_SLEEP_MODE_LEVEL
@@ -173,7 +173,7 @@ async def worker() -> None:
             config,
             shutdown_event,
             shutdown_endpoints,
-            checkpoint_restore_engine=checkpoint_restore_engine,
+            snapshot_engine=snapshot_engine,
         )
         logger.debug("multimodal worker completed")
     elif config.omni:
@@ -184,7 +184,7 @@ async def worker() -> None:
             runtime,
             config,
             shutdown_event,
-            checkpoint_restore_engine=checkpoint_restore_engine,
+            snapshot_engine=snapshot_engine,
         )
         logger.debug("init_prefill completed")
     else:
@@ -192,7 +192,7 @@ async def worker() -> None:
             runtime,
             config,
             shutdown_event,
-            checkpoint_restore_engine=checkpoint_restore_engine,
+            snapshot_engine=snapshot_engine,
         )
         logger.debug("init completed")
 
@@ -597,7 +597,7 @@ async def init_prefill(
     runtime: DistributedRuntime,
     config: Config,
     shutdown_event: asyncio.Event,
-    checkpoint_restore_engine: Optional[
+    snapshot_engine: Optional[
         tuple[AsyncLLM, VllmConfig, Any, Any, LLMBackendMetrics]
     ] = None,
 ) -> None:
@@ -612,14 +612,14 @@ async def init_prefill(
     )
 
     # Use pre-created engine if provided (checkpoint mode), otherwise create new
-    if checkpoint_restore_engine is not None:
+    if snapshot_engine is not None:
         (
             engine_client,
             vllm_config,
             default_sampling_params,
             prometheus_temp_dir,
             _component_gauges,
-        ) = checkpoint_restore_engine
+        ) = snapshot_engine
     else:
         (
             engine_client,
@@ -741,7 +741,7 @@ async def init(
     runtime: DistributedRuntime,
     config: Config,
     shutdown_event: asyncio.Event,
-    checkpoint_restore_engine: Optional[
+    snapshot_engine: Optional[
         tuple[AsyncLLM, VllmConfig, Any, Any, LLMBackendMetrics]
     ] = None,
 ) -> None:
@@ -782,14 +782,14 @@ async def init(
         )
 
     # Use pre-created engine if provided (checkpoint mode), otherwise create new
-    if checkpoint_restore_engine is not None:
+    if snapshot_engine is not None:
         (
             engine_client,
             vllm_config,
             default_sampling_params,
             prometheus_temp_dir,
             component_gauges,
-        ) = checkpoint_restore_engine
+        ) = snapshot_engine
         # Factory is created after unpack so component_gauges is available
         factory = StatLoggerFactory(
             endpoint=generate_endpoint,

components/src/dynamo/vllm/checkpoint_restore.py → components/src/dynamo/vllm/snapshot.py

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 """
-Checkpoint/restore (chrek) integration for vLLM workers.
+Dynamo Snapshot integration for vLLM workers.
 
 Handles the checkpoint job pod lifecycle:
 1. Early exit if a checkpoint already exists (idempotency)
@@ -113,7 +113,7 @@ class CheckpointConfig:
     def _install_signal_handlers(self) -> None:
         loop = asyncio.get_running_loop()
         loop.add_signal_handler(signal.SIGUSR1, self._checkpoint_done.set)
-        # SIGCONT is used as the restore-complete signal. The chrek DaemonSet
+        # SIGCONT is used as the restore-complete signal. The snapshot DaemonSet
         # watcher is the only sender, so there is no conflict with POSIX
         # job-control semantics in practice.
         loop.add_signal_handler(signal.SIGCONT, self._restore_done.set)

components/src/dynamo/vllm/tests/test_vllm_worker_factory.py

@@ -103,14 +103,12 @@ class TestCreate:
         factory._create_multimodal_worker.assert_called_once()  # type: ignore[union-attr]
 
     @pytest.mark.asyncio
-    async def test_passes_checkpoint_restore_engine(
-        self, factory: WorkerFactory
-    ) -> None:
+    async def test_passes_snapshot_engine(self, factory: WorkerFactory) -> None:
         config = _make_config(multimodal_worker=True)
         runtime = Mock()
         shutdown_event = asyncio.Event()
         shutdown_endpoints: list = []
-        checkpoint_restore_engine: EngineSetupResult = (
+        snapshot_engine: EngineSetupResult = (
             Mock(),
             Mock(),
             Mock(),
@@ -123,7 +121,7 @@ class TestCreate:
             config,
             shutdown_event,
             shutdown_endpoints,
-            checkpoint_restore_engine=checkpoint_restore_engine,
+            snapshot_engine=snapshot_engine,
         )
 
         factory._create_multimodal_worker.assert_called_once_with(  # type: ignore[union-attr]
@@ -131,7 +129,7 @@ class TestCreate:
             config,
             shutdown_event,
             shutdown_endpoints,
-            checkpoint_restore_engine=checkpoint_restore_engine,
+            snapshot_engine=snapshot_engine,
         )
 
     @pytest.mark.asyncio

components/src/dynamo/vllm/worker_factory.py

@@ -58,7 +58,7 @@ class WorkerFactory:
         config: Config,
         shutdown_event: asyncio.Event,
         shutdown_endpoints: list,
-        checkpoint_restore_engine: Optional[EngineSetupResult] = None,
+        snapshot_engine: Optional[EngineSetupResult] = None,
     ) -> None:
         """Create the appropriate multimodal worker based on config flags."""
 
@@ -72,7 +72,7 @@ class WorkerFactory:
                 config,
                 shutdown_event,
                 shutdown_endpoints,
-                checkpoint_restore_engine=checkpoint_restore_engine,
+                snapshot_engine=snapshot_engine,
             )
         else:
             raise ValueError(
@@ -85,7 +85,7 @@ class WorkerFactory:
         config: Config,
         shutdown_event: asyncio.Event,
         shutdown_endpoints: list,  # mutated in place
-        checkpoint_restore_engine: Optional[EngineSetupResult] = None,
+        snapshot_engine: Optional[EngineSetupResult] = None,
     ) -> None:
         """
         Initialize multimodal worker component.
@@ -121,14 +121,14 @@ class WorkerFactory:
                 [load_lora_endpoint, unload_lora_endpoint, list_loras_endpoint]
             )
         # Use pre-created engine if provided (checkpoint mode), otherwise create new
-        if checkpoint_restore_engine is not None:
+        if snapshot_engine is not None:
             (
                 engine_client,
                 vllm_config,
                 _default_sampling_params,
                 prometheus_temp_dir,
                 _component_gauges,
-            ) = checkpoint_restore_engine
+            ) = snapshot_engine
         else:
             (
                 engine_client,

deploy/helm/charts/platform/README.md

@@ -163,7 +163,7 @@ The chart includes built-in validation to prevent all operator conflicts:
 | dynamo-operator.checkpoint.enabled | bool | `false` | Whether to enable checkpoint/restore functionality |
 | dynamo-operator.checkpoint.readyForCheckpointFilePath | string | `"/tmp/ready-for-checkpoint"` | Path written by worker when model is loaded and ready for checkpointing |
 | dynamo-operator.checkpoint.storage.type | string | `"pvc"` | Storage backend type: pvc, s3, or oci |
-| dynamo-operator.checkpoint.storage.pvc.pvcName | string | `"chrek-pvc"` | Name of the PVC created by the chrek chart |
+| dynamo-operator.checkpoint.storage.pvc.pvcName | string | `"snapshot-pvc"` | Name of the PVC created by the snapshot chart |
 | dynamo-operator.checkpoint.storage.pvc.basePath | string | `"/checkpoints"` | Base path within the PVC for storing checkpoints |
 | dynamo-operator.checkpoint.storage.s3.uri | string | `""` | S3 URI in format: s3://[endpoint/]bucket/prefix |
 | dynamo-operator.checkpoint.storage.s3.credentialsSecretRef | string | `""` | Reference to a secret containing AWS credentials |

deploy/helm/charts/platform/components/operator/templates/operator-config.yaml

@@ -141,7 +141,7 @@ data:
         {{- end }}
         {{- if or (eq (.Values.checkpoint.storage.type | toString) "pvc") (not .Values.checkpoint.storage.type) }}
         pvc:
-          pvcName: {{ (.Values.checkpoint.storage.pvc.pvcName | default "chrek-pvc") | quote }}
+          pvcName: {{ (.Values.checkpoint.storage.pvc.pvcName | default "snapshot-pvc") | quote }}
           basePath: {{ (.Values.checkpoint.storage.pvc.basePath | default "/checkpoints") | quote }}
         {{- end }}
         {{- if eq .Values.checkpoint.storage.type "s3" }}

deploy/helm/charts/platform/components/operator/values.yaml

@@ -137,7 +137,7 @@ modelExpressURL: ""
 
 # Checkpoint configuration for fast pod restore
 # NOTE: The checkpoint infrastructure (PVC + DaemonSet) must be installed separately
-# using the chrek Helm chart in each namespace where checkpointing is needed.
+# using the snapshot Helm chart in each namespace where checkpointing is needed.
 checkpoint:
   # Enable checkpoint/restore functionality
   enabled: false
@@ -148,16 +148,16 @@ checkpoint:
 
   # Storage configuration
   # These settings tell the operator where to find checkpoint storage
-  # Must match the configuration in the chrek chart
+  # Must match the configuration in the snapshot chart
   storage:
     # Storage backend type: pvc, s3, or oci
     type: pvc
 
     # PVC configuration (used when type=pvc)
     pvc:
-      # Name of the PVC created by the chrek chart
-      # Must match the PVC name in the chrek chart
-      pvcName: "chrek-pvc"
+      # Name of the PVC created by the snapshot chart
+      # Must match the PVC name in the snapshot chart
+      pvcName: "snapshot-pvc"
       # Base path within the PVC for storing checkpoints
       basePath: "/checkpoints"
 

deploy/helm/charts/platform/values.yaml

@@ -222,7 +222,7 @@ dynamo-operator:
 
   # Checkpoint configuration for fast pod restore using CRIU/cuda-checkpoint
   # NOTE: The checkpoint infrastructure (PVC + DaemonSet) must be installed separately
-  # using the chrek Helm chart in each namespace where checkpointing is needed.
+  # using the snapshot Helm chart in each namespace where checkpointing is needed.
   checkpoint:
     # -- Whether to enable checkpoint/restore functionality
     enabled: false
@@ -232,15 +232,15 @@ dynamo-operator:
 
     # Storage configuration
     # These settings tell the operator where to find checkpoint storage
-    # Must match the configuration in the chrek chart
+    # Must match the configuration in the snapshot chart
     storage:
       # -- Storage backend type: pvc, s3, or oci
       type: pvc
 
       # PVC storage configuration (used when type=pvc)
       pvc:
-        # -- Name of the PVC created by the chrek chart
-        pvcName: "chrek-pvc"
+        # -- Name of the PVC created by the snapshot chart
+        pvcName: "snapshot-pvc"
         # -- Base path within the PVC for storing checkpoints
         basePath: "/checkpoints"
 

deploy/helm/charts/chrek/Chart.yaml → deploy/helm/charts/snapshot/Chart.yaml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 apiVersion: v2
-name: chrek
+name: snapshot
 description: Checkpoint/Restore infrastructure for Dynamo (PVC + DaemonSet + CRIU Agent)
 type: application
 version: 1.0.0

deploy/helm/charts/chrek/README.md → deploy/helm/charts/snapshot/README.md

-# Chrek Helm Chart
+# Dynamo Snapshot Helm Chart
 
-> ⚠️ **Experimental Feature**: ChReK is currently in **beta/preview**. The DaemonSet runs in privileged mode to perform CRIU operations. See [Prerequisites](#prerequisites) for security considerations.
+> ⚠️ **Experimental Feature**: Dynamo Snapshot is currently in **beta/preview**. The DaemonSet runs in privileged mode to perform CRIU operations. See [Prerequisites](#prerequisites) for security considerations.
 
 This Helm chart deploys the checkpoint/restore infrastructure for NVIDIA Dynamo, including:
 - Persistent Volume Claim (PVC) for checkpoint storage
@@ -14,18 +14,18 @@ This Helm chart deploys the checkpoint/restore infrastructure for NVIDIA Dynamo,
 
 ## Prerequisites
 
-⚠️ **Security Warning**: The ChReK DaemonSet runs in **privileged mode** with `hostPID`, `hostIPC`, and `hostNetwork` to perform CRIU checkpoint/restore operations. Workload pods do not need privileged mode. Only deploy in environments where a privileged DaemonSet is acceptable.
+⚠️ **Security Warning**: The Dynamo Snapshot DaemonSet runs in **privileged mode** with `hostPID`, `hostIPC`, and `hostNetwork` to perform CRIU checkpoint/restore operations. Workload pods do not need privileged mode. Only deploy in environments where a privileged DaemonSet is acceptable.
 
 - Kubernetes 1.21+
 - GPU nodes with NVIDIA runtime (`nvidia` runtime class)
-- containerd runtime (for container inspection; CRIU is bundled in ChReK images)
+- containerd runtime (for container inspection; CRIU is bundled in Dynamo Snapshot images)
 - NVIDIA Dynamo operator installed (cluster-wide or namespace-scoped)
 - RWX (ReadWriteMany) storage class for multi-node deployments
-- **Security clearance for privileged DaemonSet** (the ChReK agent runs privileged with hostPID/hostIPC/hostNetwork)
+- **Security clearance for privileged DaemonSet** (the Dynamo Snapshot agent runs privileged with hostPID/hostIPC/hostNetwork)
 
 ## Installation
 
-> **Note:** The ChReK Helm chart is not yet published to a public Helm repository. For now, you must build and deploy from source.
+> **Note:** The Dynamo Snapshot Helm chart is not yet published to a public Helm repository. For now, you must build and deploy from source.
 
 ### Building from Source
 
@@ -35,17 +35,17 @@ export NAMESPACE=my-team  # Your target namespace
 export DOCKER_SERVER=your-registry.com/  # Your container registry
 export IMAGE_TAG=latest
 
-# Build ChReK agent image
-cd deploy/chrek
-docker build --target agent -t $DOCKER_SERVER/chrek-agent:$IMAGE_TAG .
-docker push $DOCKER_SERVER/chrek-agent:$IMAGE_TAG
+# Build Dynamo Snapshot agent image
+cd deploy/snapshot
+docker build --target agent -t $DOCKER_SERVER/snapshot-agent:$IMAGE_TAG .
+docker push $DOCKER_SERVER/snapshot-agent:$IMAGE_TAG
 cd -
 
-# Install ChReK chart with custom image
-helm install chrek ./deploy/helm/charts/chrek/ \
+# Install Dynamo Snapshot chart with custom image
+helm install snapshot ./deploy/helm/charts/snapshot/ \
   --namespace ${NAMESPACE} \
   --create-namespace \
-  --set daemonset.image.repository=${DOCKER_SERVER}/chrek-agent \
+  --set daemonset.image.repository=${DOCKER_SERVER}/snapshot-agent \
   --set daemonset.image.tag=${IMAGE_TAG} \
   --set daemonset.imagePullSecrets[0].name=your-registry-secret
 ```
@@ -60,10 +60,11 @@ See `values.yaml` for all configuration options.
 |-----------|-------------|---------|
 | `storage.type` | Storage type: `pvc` (only supported), `s3` and `oci` planned | `pvc` |
 | `storage.pvc.create` | Create a new PVC | `true` |
-| `storage.pvc.name` | PVC name (must match operator config) | `chrek-pvc` |
+| `storage.pvc.name` | PVC name (must match operator config) | `snapshot-pvc` |
 | `storage.pvc.size` | PVC size | `100Gi` |
 | `storage.pvc.storageClass` | Storage class name | `""` (default) |
-| `daemonset.image.repository` | DaemonSet image repository | `nvcr.io/nvidian/dynamo-dev/chrek-agent` |
+| `daemonset.image.repository` | DaemonSet image repository | `nvcr.io/nvidian/dynamo-dev/snapshot-agent` |
+| `daemonset.snapshotLogLevel` | Snapshot agent and nsrestore log level (`trace`, `debug`, `info`, `warn`, `error`) | `info` |
 | `daemonset.nodeSelector` | Node selector for GPU nodes | `nvidia.com/gpu.present: "true"` |
 | `config.checkpoint.criu.ghostLimit` | CRIU ghost file size limit in bytes | `536870912` (512MB) |
 | `config.checkpoint.criu.logLevel` | CRIU logging verbosity (0-4) | `4` |
@@ -96,10 +97,10 @@ To enable checkpointing in multiple namespaces, install this chart in each names
 
 ```bash
 # Namespace A
-helm install chrek nvidia/chrek -n team-a
+helm install snapshot nvidia/snapshot -n team-a
 
 # Namespace B
-helm install chrek nvidia/chrek -n team-b
+helm install snapshot nvidia/snapshot -n team-b
 ```
 
 Each namespace will have its own isolated checkpoint storage.
@@ -108,25 +109,25 @@ Each namespace will have its own isolated checkpoint storage.
 
 ```bash
 # Check PVC
-kubectl get pvc chrek-pvc -n my-team
+kubectl get pvc snapshot-pvc -n my-team
 
 # Check DaemonSet
 kubectl get daemonset -n my-team
 
 # Check DaemonSet pods are running
-kubectl get pods -n my-team -l app.kubernetes.io/name=chrek
+kubectl get pods -n my-team -l app.kubernetes.io/name=snapshot
 ```
 
 ## Uninstallation
 
 ```bash
-helm uninstall chrek -n my-team
+helm uninstall snapshot -n my-team
 ```
 
 **Note:** This will NOT delete the PVC by default. To delete the PVC:
 
 ```bash
-kubectl delete pvc chrek-pvc -n my-team
+kubectl delete pvc snapshot-pvc -n my-team
 ```
 
 ## Troubleshooting
@@ -151,7 +152,7 @@ kubectl label node <node-name> nvidia.com/gpu.present=true
 Check DaemonSet logs:
 
 ```bash
-kubectl logs -n my-team -l app.kubernetes.io/name=chrek
+kubectl logs -n my-team -l app.kubernetes.io/name=snapshot
 ```
 
 ### PVC not mounting
@@ -159,15 +160,15 @@ kubectl logs -n my-team -l app.kubernetes.io/name=chrek
 Check PVC status and events:
 
 ```bash
-kubectl describe pvc chrek-pvc -n my-team
+kubectl describe pvc snapshot-pvc -n my-team
 ```
 
 Ensure your storage class supports `ReadWriteMany` access mode for multi-node deployments.
 
 ## Related Documentation
 
-- [ChReK Overview](../../../../docs/kubernetes/chrek/README.md) - ChReK architecture and use cases
-- [ChReK with Dynamo Platform](../../../../docs/kubernetes/chrek/dynamo.md) - Integration guide
+- [Dynamo Snapshot Overview](../../../../docs/kubernetes/snapshot/README.md) - Dynamo Snapshot architecture and use cases
+- [Dynamo Snapshot with Dynamo Platform](../../../../docs/kubernetes/snapshot/dynamo.md) - Integration guide
 
 ## License
 

deploy/helm/charts/chrek/templates/_helpers.tpl → deploy/helm/charts/snapshot/templates/_helpers.tpl

@@ -15,14 +15,14 @@
 {{/*
 Expand the name of the chart.
 */}}
-{{- define "chrek.name" -}}
+{{- define "snapshot.name" -}}
 {{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
 {{- end }}
 
 {{/*
 Create a default fully qualified app name.
 */}}
-{{- define "chrek.fullname" -}}
+{{- define "snapshot.fullname" -}}
 {{- if .Values.fullnameOverride }}
 {{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
 {{- else }}
@@ -38,16 +38,16 @@ Create a default fully qualified app name.
 {{/*
 Create chart name and version as used by the chart label.
 */}}
-{{- define "chrek.chart" -}}
+{{- define "snapshot.chart" -}}
 {{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
 {{- end }}
 
 {{/*
 Common labels
 */}}
-{{- define "chrek.labels" -}}
-helm.sh/chart: {{ include "chrek.chart" . }}
-{{ include "chrek.selectorLabels" . }}
+{{- define "snapshot.labels" -}}
+helm.sh/chart: {{ include "snapshot.chart" . }}
+{{ include "snapshot.selectorLabels" . }}
 {{- if .Chart.AppVersion }}
 app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
 {{- end }}
@@ -58,17 +58,17 @@ app.kubernetes.io/component: checkpoint-agent
 {{/*
 Selector labels
 */}}
-{{- define "chrek.selectorLabels" -}}
-app.kubernetes.io/name: {{ include "chrek.name" . }}
+{{- define "snapshot.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "snapshot.name" . }}
 app.kubernetes.io/instance: {{ .Release.Name }}
 {{- end }}
 
 {{/*
 Create the name of the service account to use
 */}}
-{{- define "chrek.serviceAccountName" -}}
+{{- define "snapshot.serviceAccountName" -}}
 {{- if .Values.serviceAccount.create }}
-{{- default (include "chrek.fullname" . ) .Values.serviceAccount.name }}
+{{- default (include "snapshot.fullname" . ) .Values.serviceAccount.name }}
 {{- else }}
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}

deploy/helm/charts/chrek/templates/configmap.yaml → deploy/helm/charts/snapshot/templates/configmap.yaml

@@ -4,10 +4,10 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: {{ include "chrek.fullname" . }}-config
+  name: {{ include "snapshot.fullname" . }}-config
   namespace: {{ .Release.Namespace }}
   labels:
-    {{- include "chrek.labels" . | nindent 4 }}
+    {{- include "snapshot.labels" . | nindent 4 }}
 data:
   config.yaml: |
     basePath: {{ .Values.storage.pvc.basePath | quote }}

deploy/helm/charts/chrek/templates/daemonset.yaml → deploy/helm/charts/snapshot/templates/daemonset.yaml

@@ -4,18 +4,18 @@
 apiVersion: apps/v1
 kind: DaemonSet
 metadata:
-  name: {{ include "chrek.fullname" . }}-agent
+  name: {{ include "snapshot.fullname" . }}-agent
   namespace: {{ .Release.Namespace }}
   labels:
-    {{- include "chrek.labels" . | nindent 4 }}
+    {{- include "snapshot.labels" . | nindent 4 }}
 spec:
   selector:
     matchLabels:
-      {{- include "chrek.selectorLabels" . | nindent 6 }}
+      {{- include "snapshot.selectorLabels" . | nindent 6 }}
   template:
     metadata:
       labels:
-        {{- include "chrek.selectorLabels" . | nindent 8 }}
+        {{- include "snapshot.selectorLabels" . | nindent 8 }}
         {{- with .Values.daemonset.podLabels }}
         {{- toYaml . | nindent 8 }}
         {{- end }}
@@ -24,7 +24,7 @@ spec:
         {{- toYaml . | nindent 8 }}
       {{- end }}
     spec:
-      serviceAccountName: {{ include "chrek.serviceAccountName" . }}
+      serviceAccountName: {{ include "snapshot.serviceAccountName" . }}
       hostPID: true
       hostIPC: true
       hostNetwork: true
@@ -76,6 +76,8 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: spec.nodeName
+            - name: SNAPSHOT_LOG_LEVEL
+              value: {{ .Values.daemonset.snapshotLogLevel | quote }}
             {{- if .Values.rbac.namespaceRestricted }}
             # Restrict pod watching to this namespace (namespace-scoped RBAC)
             - name: RESTRICTED_NAMESPACE
@@ -86,7 +88,7 @@ spec:
           volumeMounts:
             # Mount configuration ConfigMap
             - name: config
-              mountPath: /etc/chrek
+              mountPath: /etc/snapshot
               readOnly: true
             {{- if eq .Values.storage.type "pvc" }}
             # Mount the checkpoint PVC (only for PVC storage type)
@@ -131,12 +133,12 @@ spec:
         # Configuration ConfigMap
         - name: config
           configMap:
-            name: {{ include "chrek.fullname" . }}-config
+            name: {{ include "snapshot.fullname" . }}-config
         {{- if .Values.seccomp.deploy }}
         # Seccomp profile ConfigMap (used by initContainer)
         - name: seccomp-profiles
           configMap:
-            name: {{ include "chrek.fullname" . }}-seccomp
+            name: {{ include "snapshot.fullname" . }}-seccomp
         # Host seccomp directory (for deploying the profile)
         - name: host-seccomp
           hostPath:

deploy/helm/charts/chrek/templates/pvc.yaml → deploy/helm/charts/snapshot/templates/pvc.yaml

@@ -8,7 +8,7 @@ metadata:
   name: {{ .Values.storage.pvc.name }}
   namespace: {{ .Release.Namespace }}
   labels:
-    app.kubernetes.io/name: {{ include "chrek.name" . }}
+    app.kubernetes.io/name: {{ include "snapshot.name" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/component: storage
 spec:

deploy/helm/charts/chrek/templates/role.yaml → deploy/helm/charts/snapshot/templates/role.yaml

@@ -6,10 +6,10 @@
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
-  name: {{ include "chrek.fullname" . }}-agent
+  name: {{ include "snapshot.fullname" . }}-agent
   namespace: {{ .Release.Namespace }}
   labels:
-    {{- include "chrek.labels" . | nindent 4 }}
+    {{- include "snapshot.labels" . | nindent 4 }}
     app.kubernetes.io/component: checkpoint-agent
 rules:
   # Watch and annotate pods in this namespace to drive checkpoint/restore lifecycle
@@ -24,9 +24,9 @@ rules:
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:
-  name: {{ include "chrek.fullname" . }}-agent
+  name: {{ include "snapshot.fullname" . }}-agent
   labels:
-    {{- include "chrek.labels" . | nindent 4 }}
+    {{- include "snapshot.labels" . | nindent 4 }}
     app.kubernetes.io/component: checkpoint-agent
 rules:
   # Watch and annotate pods cluster-wide on assigned nodes

deploy/helm/charts/chrek/templates/rolebinding.yaml → deploy/helm/charts/snapshot/templates/rolebinding.yaml

@@ -6,34 +6,34 @@
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
-  name: {{ include "chrek.fullname" . }}-agent
+  name: {{ include "snapshot.fullname" . }}-agent
   namespace: {{ .Release.Namespace }}
   labels:
-    {{- include "chrek.labels" . | nindent 4 }}
+    {{- include "snapshot.labels" . | nindent 4 }}
     app.kubernetes.io/component: checkpoint-agent
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role
-  name: {{ include "chrek.fullname" . }}-agent
+  name: {{ include "snapshot.fullname" . }}-agent
 subjects:
   - kind: ServiceAccount
-    name: {{ include "chrek.serviceAccountName" . }}
+    name: {{ include "snapshot.serviceAccountName" . }}
     namespace: {{ .Release.Namespace }}
 {{- else }}
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
-  name: {{ include "chrek.fullname" . }}-agent
+  name: {{ include "snapshot.fullname" . }}-agent
   labels:
-    {{- include "chrek.labels" . | nindent 4 }}
+    {{- include "snapshot.labels" . | nindent 4 }}
     app.kubernetes.io/component: checkpoint-agent
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
-  name: {{ include "chrek.fullname" . }}-agent
+  name: {{ include "snapshot.fullname" . }}-agent
 subjects:
   - kind: ServiceAccount
-    name: {{ include "chrek.serviceAccountName" . }}
+    name: {{ include "snapshot.serviceAccountName" . }}
     namespace: {{ .Release.Namespace }}
 {{- end }}
 {{- end }}