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Add configuration for setting tolerations on service pods #1676

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May 29, 2024
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Add configuration for setting tolerations on service pods #1676

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17 changes: 16 additions & 1 deletion assemblyline/odm/models/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -659,6 +659,19 @@ class Mount(odm.Model):
"& `resource_key` fields to mount ConfigMaps")


KUBERNETES_TOLERATION_OPS = ['Exists', 'Equal']
KUBERNETES_TOLERATION_EFFECTS = ['NoSchedule', 'PreferNoSchedule', 'NoExecute']

@odm.model(index=False, store=False, description="Limit a set of kubernetes objects based on a label query.")
class Toleration(odm.Model):
key = odm.Optional(odm.Keyword(), description="The taint key that the toleration applies to")
operator = odm.Enum(values=KUBERNETES_TOLERATION_OPS,
default="Equal", description="Relationship between taint key and value")
value = odm.Optional(odm.Keyword(), description="Taint value the toleration matches to")
effect = odm.Optional(odm.Enum(KUBERNETES_TOLERATION_EFFECTS), description="The taint effect to match.")
toleration_seconds = odm.Optional(odm.Integer(min=0),
description="The period of time the toleration tolerates the taint")

@odm.model(index=False, store=False,
description="A set of default values to be used running a service when no other value is set")
class ScalerServiceDefaults(odm.Model):
Expand All @@ -670,6 +683,9 @@ class ScalerServiceDefaults(odm.Model):
description="Environment variables to pass onto services")
mounts: List[Mount] = odm.List(odm.Compound(Mount), default=[],
description="A list of volume mounts for every service")
tolerations: List[Toleration] = odm.List(odm.Compound(Toleration), default=[],
description="Toleration to apply to service pods.\n"
"Reference: https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/")


# The operations we support for label and field selectors are based on the common subset of
Expand All @@ -688,7 +704,6 @@ class FieldSelector(odm.Model):
# Excluded from this list is Gt and Lt for above reason
KUBERNETES_LABEL_OPS = ['In', 'NotIn', 'Exists', 'DoesNotExist']


@odm.model(index=False, store=False, description="Limit a set of kubernetes objects based on a label query.")
class LabelSelector(odm.Model):
key = odm.keyword(description="Name of label to select on.")
Expand Down