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Add Tags to ServiceConfiguration.replicas #4112

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Merged
un-def merged 1 commit into from
Aug 7, 2026
Merged

Add Tags to ServiceConfiguration.replicas #4112

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12 changes: 11 additions & 1 deletion src/dstack/_internal/core/models/configurations.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
Field,
GetCoreSchemaHandler,
RootModel,
Tag,
ValidationError,
ValidationInfo,
conint,
Expand Down Expand Up @@ -1046,7 +1047,16 @@ class ServiceConfigurationParams(CoreModel):
] = None # None = omitted (may get default when model is set); [] = explicit empty

replicas: Annotated[
Optional[Union[List[ReplicaGroup], Range[int]]],
Optional[
# `Tag` only names the arm in validation errors. Without it the `loc` of a bad
# `replicas` spells out the whole wrapped schema —
# `service.replicas.list[function-after[validate_scaling(), ReplicaGroup]].0` — which
# is what `dstack apply` shows the user.
Union[
Annotated[list[ReplicaGroup], Tag("ReplicaGroup")],
Annotated[Range[int], Tag("Range[int]")],
]
],
Field(
description=(
"The number of replicas or a list of replica groups. "
Expand Down
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