Constraints on some config parameters

qcfractal/qcfractal/config.py

@@ -398,12 +398,17 @@ class FractalConfig(ConfigBase):
     service_frequency: int = Field(60, description="The frequency at which to update services (in seconds)")
     max_active_services: int = Field(20, description="The maximum number of concurrent active services")
     heartbeat_frequency: int = Field(
-        1800, description="The frequency (in seconds) to check the heartbeat of compute managers"
+        1800,
+        description="The frequency (in seconds) to check the heartbeat of compute managers",
+        gt=0,
+    )
+    heartbeat_frequency_jitter: int = Field(
+        0.1, description="Jitter fraction to be applied to the heartbeat frequency", ge=0
     )
-    heartbeat_frequency_jitter: int = Field(0.1, description="Jitter fraction to be applied to the heartbeat frequency")
     heartbeat_max_missed: int = Field(
         5,
         description="The maximum number of heartbeats that a compute manager can miss. If more are missed, the worker is considered dead",
+        ge=0,
     )
 
     # Access logging

qcfractalcompute/qcfractalcompute/config.py

@@ -197,6 +197,7 @@ class FractalComputeConfig(BaseModel):
         "update_frequency_jitter represents a fraction of the update_frequency to allow as a max. "
         "Ie, update_frequency=60, and jitter=0.1, updates will happen between 54 and 66 seconds. "
         "This helps with spreading out server load.",
+        ge=0,
     )
 
     max_idle_time: Optional[int] = Field(