Merge branch 'master' into examples/yolov8

frontend/archive/src/main/java/org/pytorch/serve/archive/utils/ArchiveUtils.java

@@ -21,6 +21,7 @@
 import org.pytorch.serve.archive.DownloadArchiveException;
 import org.pytorch.serve.archive.model.InvalidModelException;
 import org.pytorch.serve.archive.s3.HttpUtils;
+import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.Constructor;
 import org.yaml.snakeyaml.error.YAMLException;
@@ -47,7 +48,7 @@ public static <T> T readFile(File file, Class<T> type)
 
     public static <T> T readYamlFile(File file, Class<T> type)
             throws InvalidModelException, IOException {
-        Yaml yaml = new Yaml(new Constructor(type));
+        Yaml yaml = new Yaml(new Constructor(type, new LoaderOptions()));
         try (Reader r =
                 new InputStreamReader(
                         Files.newInputStream(file.toPath()), StandardCharsets.UTF_8)) {

frontend/gradle.properties

@@ -8,7 +8,7 @@ slf4j_api_version=1.7.32
 slf4j_log4j_version=2.17.1
 testng_version=7.1.0
 torchserve_sdk_version=0.0.5
-snakeyaml_version=1.31
+snakeyaml_version=2.1
 grpc_version=1.50.0
 protoc_version=3.18.0
 lmax_disruptor_version=3.4.4

frontend/server/src/main/java/org/pytorch/serve/metrics/configuration/MetricConfiguration.java

@@ -6,6 +6,7 @@
 import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.composer.ComposerException;
 import org.yaml.snakeyaml.constructor.Constructor;
@@ -64,7 +65,7 @@ public void validate() {
 
     public static MetricConfiguration loadConfiguration(String configFilePath)
             throws FileNotFoundException, ComposerException, RuntimeException {
-        Constructor constructor = new Constructor(MetricConfiguration.class);
+        Constructor constructor = new Constructor(MetricConfiguration.class, new LoaderOptions());
         Yaml yaml = new Yaml(constructor);
         FileInputStream inputStream = new FileInputStream(new File(configFilePath));
         MetricConfiguration config = yaml.load(inputStream);

ts/metrics/caching_metric.py

@@ -8,6 +8,7 @@
 from ts.metrics.dimension import Dimension
 from ts.metrics.metric_abstract import MetricAbstract
 from ts.metrics.metric_type_enum import MetricTypes
+
 logger = logging.getLogger(__name__)
 
 
@@ -36,7 +37,7 @@ def __init__(
             unit can be one of ms, percent, count, MB, GB or a generic string
 
         dimension_names list
-            list of dimension names which should be strings
+            list of dimension name strings
 
         metric_type MetricTypes
             Type of metric Counter, Gauge, Histogram
@@ -57,9 +58,11 @@ def _validate_and_get_dimensions(
             values corresponding to the metrics dimension names
         Returns
         -------
-        list of dimension objects or ValueError
+        list of Dimension objects or ValueError
         """
-        if dimension_values is None or len(dimension_values) != len(self.dimension_names):
+        if dimension_values is None or len(dimension_values) != len(
+            self.dimension_names
+        ):
             raise ValueError(
                 f"Dimension values: {dimension_values} should "
                 f"correspond to Dimension names: {self.dimension_names}"
@@ -97,8 +100,10 @@ def emit_metrics(
         value
         dimension_string
         """
-        metric_str = f"[METRICS]{self.metric_name}.{self.unit}:{value}|#{dimension_string}|" \
-                     f"#hostname:{socket.gethostname()},{int(time.time())}"
+        metric_str = (
+            f"[METRICS]{self.metric_name}.{self.unit}:{value}|#{dimension_string}|"
+            f"#hostname:{socket.gethostname()},{int(time.time())}"
+        )
         if request_id:
             logger.info(f"{metric_str},{request_id}")
         else:
@@ -118,7 +123,7 @@ def add_or_update(
         value : int, float
             metric to be updated
         dimension_values : list
-            list of dimension values
+            list of dimension value strings
         request_id : str
             request id to be associated with the metric
         """
@@ -152,7 +157,7 @@ def update(
         request_id : str
             request id to be associated with the metric
         dimensions : list
-            list of dimension values
+            list of Dimension objects
         """
         logger.warning("Overriding existing dimensions")
         self.dimension_names = [dim.name for dim in dimensions]

ts/metrics/metric.py

@@ -5,9 +5,9 @@
 import time
 from builtins import str
 from collections import OrderedDict
+
 from ts.metrics.caching_metric import CachingMetric
 from ts.metrics.metric_type_enum import MetricTypes
-
 from ts.metrics.unit import Units
 
 MetricUnit = Units()
@@ -41,7 +41,7 @@ def __init__(
         unit: str
             unit can be one of ms, percent, count, MB, GB or a generic string
         dimensions: list
-            list of dimension objects
+            list of Dimension objects
         request_id: str
             req_id of metric
         metric_method: str
@@ -73,13 +73,17 @@ def update(self, value):
         value : int, float
             metric to be updated
         """
-        self._caching_metric.add_or_update(value, self.dimension_values, request_id=self.request_id)
+        self._caching_metric.add_or_update(
+            value, self.dimension_values, request_id=self.request_id
+        )
 
     def reset(self):
         """
         Reset Metric value to 0
         """
-        self._caching_metric.add_or_update(0, self.dimension_values, request_id=self.request_id)
+        self._caching_metric.add_or_update(
+            0, self.dimension_values, request_id=self.request_id
+        )
 
     def __str__(self):
         dims = ",".join([str(d) for d in self.dimensions])

ts/metrics/metric_abstract.py

@@ -2,8 +2,9 @@
 Interface for metric class for TS
 """
 import abc
-from ts.metrics.unit import Units
+
 from ts.metrics.metric_type_enum import MetricTypes
+from ts.metrics.unit import Units
 
 MetricUnit = Units()
 
@@ -33,7 +34,7 @@ def __init__(
             unit can be one of ms, percent, count, MB, GB or a generic string
 
         dimension_names list
-            list of dimension names which should be strings
+            list of dimension name strings
 
         metric_type MetricTypes
             Type of metric Counter, Gauge, Histogram

ts/metrics/metric_cache_abstract.py

@@ -6,8 +6,8 @@
 """
 import abc
 import os
-import ts.metrics.metric_cache_errors as merrors
 
+import ts.metrics.metric_cache_errors as merrors
 from ts.metrics.dimension import Dimension
 from ts.metrics.metric_abstract import MetricAbstract
 from ts.metrics.metric_type_enum import MetricTypes
@@ -27,15 +27,17 @@ def __init__(self, config_file_path):
             Name of file to be parsed
 
         """
-        self.cache = dict()
+        self.cache = {}
         self.store = []
         self.request_ids = None
         self.model_name = None
         self.config_file_path = config_file_path
         try:
             os.path.exists(self.config_file_path)
         except Exception as exc:
-            raise merrors.MetricsCacheTypeError(f"Error loading {config_file_path} file: {exc}")
+            raise merrors.MetricsCacheTypeError(
+                f"Error loading {config_file_path} file: {exc}"
+            )
 
     def _add_default_dims(self, idx, dimensions):
         dim_names = [dim.name for dim in dimensions]
@@ -63,11 +65,44 @@ def _get_req(self, idx):
         # check if request id for the metric is given, if so use it else have a list of all.
         req_id = self.request_ids
         if isinstance(req_id, dict):
-            req_id = ','.join(self.request_ids.values())
+            req_id = ",".join(self.request_ids.values())
         if idx is not None and self.request_ids is not None and idx in self.request_ids:
             req_id = self.request_ids[idx]
         return req_id
 
+    def add_metric(
+        self,
+        name: str,
+        value: int or float,
+        unit: str,
+        idx: str = None,
+        dimensions: list = [],
+        metric_type: MetricTypes = MetricTypes.COUNTER,
+    ):
+        """
+        Add a generic metric
+            Default metric type is counter
+
+        Parameters
+        ----------
+        name : str
+            metric name
+        value: int or float
+            value of the metric
+        unit: str
+            unit of metric
+        idx: str
+            request id to be associated with the metric
+        dimensions: list
+            list of Dimension objects for the metric
+        metric_type MetricTypes
+            Type of metric Counter, Gauge, Histogram
+        """
+        req_id = self._get_req(idx)
+        dimensions = self._add_default_dims(req_id, dimensions)
+        metric = self._get_or_add_metric(name, unit, dimensions, metric_type)
+        metric.add_or_update(value, [dim.value for dim in dimensions], req_id)
+
     def add_counter(
         self,
         name: str,
@@ -87,7 +122,7 @@ def add_counter(
         idx: str
             request id to be associated with the metric
         dimensions: list
-            list of dimension names for the metric
+            list of Dimension objects for the metric
         """
         req_id = self._get_req(idx)
         dimensions = self._add_default_dims(req_id, dimensions)
@@ -118,7 +153,7 @@ def add_time(
         unit: str
             unit of metric,  default here is ms, s is also accepted
         dimensions: list
-            list of dimension names for the metric
+            list of Dimension objects for the metric
         metric_type MetricTypes
             Type of metric Counter, Gauge, Histogram
         """
@@ -155,7 +190,7 @@ def add_size(
         unit: str
             unit of metric, default here is 'MB', 'kB', 'GB' also supported
         dimensions: list
-            list of dimensions for the metric
+            list of Dimension objects for the metric
         metric_type MetricTypes
             Type of metric Counter, Gauge, Histogram
         """
@@ -189,7 +224,7 @@ def add_percent(
         idx: str
             request id to be associated with the metric
         dimensions: list
-            list of dimensions for the metric
+            list of Dimension objects for the metric
         metric_type MetricTypes
             Type of metric Counter, Gauge, Histogram
         """
@@ -215,17 +250,19 @@ def add_error(
         value: int or float
             value of the metric
         dimensions: list
-            list of dimension objects for the metric
+            list of Dimension objects for the metric
         """
         dimensions = self._add_default_dims(None, dimensions)
         metric = self._get_or_add_metric(name, "", dimensions, MetricTypes.COUNTER)
         metric.add_or_update(value, [dim.value for dim in dimensions])
 
-    def _get_or_add_metric(self, metric_name, unit, dimensions, metric_type) -> MetricAbstract:
+    def _get_or_add_metric(
+        self, metric_name, unit, dimensions, metric_type
+    ) -> MetricAbstract:
         try:
             metric = self.get_metric(metric_name, metric_type)
         except merrors.MetricsCacheKeyError:
-            metric = self.add_metric(
+            metric = self.add_metric_to_cache(
                 metric_name=metric_name,
                 unit=unit,
                 metric_type=metric_type,
@@ -269,11 +306,11 @@ def get_metric(
         pass
 
     @abc.abstractmethod
-    def add_metric(
+    def add_metric_to_cache(
         self,
         metric_name: str,
         unit: str,
-        dimension_names: list = None,
+        dimension_names: list = [],
         metric_type: MetricTypes = MetricTypes.COUNTER,
     ) -> MetricAbstract:
         """
@@ -287,7 +324,7 @@ def add_metric(
         unit: str
             unit of metric
         dimension_names: list
-            list of dimensions for the metric
+            list of dimension name strings for the metric
         metric_type: MetricTypes
             Type of metric