k8s_openapi/v1_33/api/autoscaling/v2/
hpa_scaling_rules.rs1#[derive(Clone, Debug, Default, PartialEq)]
9pub struct HPAScalingRules {
10 pub policies: Option<std::vec::Vec<crate::api::autoscaling::v2::HPAScalingPolicy>>,
12
13 pub select_policy: Option<std::string::String>,
15
16 pub stabilization_window_seconds: Option<i32>,
18
19 pub tolerance: Option<crate::apimachinery::pkg::api::resource::Quantity>,
25}
26
27impl crate::DeepMerge for HPAScalingRules {
28 fn merge_from(&mut self, other: Self) {
29 crate::merge_strategies::list::atomic(&mut self.policies, other.policies);
30 crate::DeepMerge::merge_from(&mut self.select_policy, other.select_policy);
31 crate::DeepMerge::merge_from(&mut self.stabilization_window_seconds, other.stabilization_window_seconds);
32 crate::DeepMerge::merge_from(&mut self.tolerance, other.tolerance);
33 }
34}
35
36impl<'de> crate::serde::Deserialize<'de> for HPAScalingRules {
37 fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: crate::serde::Deserializer<'de> {
38 #[allow(non_camel_case_types)]
39 enum Field {
40 Key_policies,
41 Key_select_policy,
42 Key_stabilization_window_seconds,
43 Key_tolerance,
44 Other,
45 }
46
47 impl<'de> crate::serde::Deserialize<'de> for Field {
48 fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: crate::serde::Deserializer<'de> {
49 struct Visitor;
50
51 impl crate::serde::de::Visitor<'_> for Visitor {
52 type Value = Field;
53
54 fn expecting(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
55 f.write_str("field identifier")
56 }
57
58 fn visit_str<E>(self, v: &str) -> Result<Self::Value, E> where E: crate::serde::de::Error {
59 Ok(match v {
60 "policies" => Field::Key_policies,
61 "selectPolicy" => Field::Key_select_policy,
62 "stabilizationWindowSeconds" => Field::Key_stabilization_window_seconds,
63 "tolerance" => Field::Key_tolerance,
64 _ => Field::Other,
65 })
66 }
67 }
68
69 deserializer.deserialize_identifier(Visitor)
70 }
71 }
72
73 struct Visitor;
74
75 impl<'de> crate::serde::de::Visitor<'de> for Visitor {
76 type Value = HPAScalingRules;
77
78 fn expecting(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
79 f.write_str("HPAScalingRules")
80 }
81
82 fn visit_map<A>(self, mut map: A) -> Result<Self::Value, A::Error> where A: crate::serde::de::MapAccess<'de> {
83 let mut value_policies: Option<std::vec::Vec<crate::api::autoscaling::v2::HPAScalingPolicy>> = None;
84 let mut value_select_policy: Option<std::string::String> = None;
85 let mut value_stabilization_window_seconds: Option<i32> = None;
86 let mut value_tolerance: Option<crate::apimachinery::pkg::api::resource::Quantity> = None;
87
88 while let Some(key) = crate::serde::de::MapAccess::next_key::<Field>(&mut map)? {
89 match key {
90 Field::Key_policies => value_policies = crate::serde::de::MapAccess::next_value(&mut map)?,
91 Field::Key_select_policy => value_select_policy = crate::serde::de::MapAccess::next_value(&mut map)?,
92 Field::Key_stabilization_window_seconds => value_stabilization_window_seconds = crate::serde::de::MapAccess::next_value(&mut map)?,
93 Field::Key_tolerance => value_tolerance = crate::serde::de::MapAccess::next_value(&mut map)?,
94 Field::Other => { let _: crate::serde::de::IgnoredAny = crate::serde::de::MapAccess::next_value(&mut map)?; },
95 }
96 }
97
98 Ok(HPAScalingRules {
99 policies: value_policies,
100 select_policy: value_select_policy,
101 stabilization_window_seconds: value_stabilization_window_seconds,
102 tolerance: value_tolerance,
103 })
104 }
105 }
106
107 deserializer.deserialize_struct(
108 "HPAScalingRules",
109 &[
110 "policies",
111 "selectPolicy",
112 "stabilizationWindowSeconds",
113 "tolerance",
114 ],
115 Visitor,
116 )
117 }
118}
119
120impl crate::serde::Serialize for HPAScalingRules {
121 fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: crate::serde::Serializer {
122 let mut state = serializer.serialize_struct(
123 "HPAScalingRules",
124 self.policies.as_ref().map_or(0, |_| 1) +
125 self.select_policy.as_ref().map_or(0, |_| 1) +
126 self.stabilization_window_seconds.as_ref().map_or(0, |_| 1) +
127 self.tolerance.as_ref().map_or(0, |_| 1),
128 )?;
129 if let Some(value) = &self.policies {
130 crate::serde::ser::SerializeStruct::serialize_field(&mut state, "policies", value)?;
131 }
132 if let Some(value) = &self.select_policy {
133 crate::serde::ser::SerializeStruct::serialize_field(&mut state, "selectPolicy", value)?;
134 }
135 if let Some(value) = &self.stabilization_window_seconds {
136 crate::serde::ser::SerializeStruct::serialize_field(&mut state, "stabilizationWindowSeconds", value)?;
137 }
138 if let Some(value) = &self.tolerance {
139 crate::serde::ser::SerializeStruct::serialize_field(&mut state, "tolerance", value)?;
140 }
141 crate::serde::ser::SerializeStruct::end(state)
142 }
143}
144
145#[cfg(feature = "schemars")]
146impl crate::schemars::JsonSchema for HPAScalingRules {
147 fn schema_name() -> std::string::String {
148 "io.k8s.api.autoscaling.v2.HPAScalingRules".into()
149 }
150
151 fn json_schema(__gen: &mut crate::schemars::gen::SchemaGenerator) -> crate::schemars::schema::Schema {
152 crate::schemars::schema::Schema::Object(crate::schemars::schema::SchemaObject {
153 metadata: Some(std::boxed::Box::new(crate::schemars::schema::Metadata {
154 description: Some("HPAScalingRules configures the scaling behavior for one direction via scaling Policy Rules and a configurable metric tolerance.\n\nScaling Policy Rules are applied after calculating DesiredReplicas from metrics for the HPA. They can limit the scaling velocity by specifying scaling policies. They can prevent flapping by specifying the stabilization window, so that the number of replicas is not set instantly, instead, the safest value from the stabilization window is chosen.\n\nThe tolerance is applied to the metric values and prevents scaling too eagerly for small metric variations. (Note that setting a tolerance requires enabling the alpha HPAConfigurableTolerance feature gate.)".into()),
155 ..Default::default()
156 })),
157 instance_type: Some(crate::schemars::schema::SingleOrVec::Single(std::boxed::Box::new(crate::schemars::schema::InstanceType::Object))),
158 object: Some(std::boxed::Box::new(crate::schemars::schema::ObjectValidation {
159 properties: [
160 (
161 "policies".into(),
162 crate::schemars::schema::Schema::Object(crate::schemars::schema::SchemaObject {
163 metadata: Some(std::boxed::Box::new(crate::schemars::schema::Metadata {
164 description: Some("policies is a list of potential scaling polices which can be used during scaling. If not set, use the default values: - For scale up: allow doubling the number of pods, or an absolute change of 4 pods in a 15s window. - For scale down: allow all pods to be removed in a 15s window.".into()),
165 ..Default::default()
166 })),
167 instance_type: Some(crate::schemars::schema::SingleOrVec::Single(std::boxed::Box::new(crate::schemars::schema::InstanceType::Array))),
168 array: Some(std::boxed::Box::new(crate::schemars::schema::ArrayValidation {
169 items: Some(crate::schemars::schema::SingleOrVec::Single(std::boxed::Box::new(__gen.subschema_for::<crate::api::autoscaling::v2::HPAScalingPolicy>()))),
170 ..Default::default()
171 })),
172 ..Default::default()
173 }),
174 ),
175 (
176 "selectPolicy".into(),
177 crate::schemars::schema::Schema::Object(crate::schemars::schema::SchemaObject {
178 metadata: Some(std::boxed::Box::new(crate::schemars::schema::Metadata {
179 description: Some("selectPolicy is used to specify which policy should be used. If not set, the default value Max is used.".into()),
180 ..Default::default()
181 })),
182 instance_type: Some(crate::schemars::schema::SingleOrVec::Single(std::boxed::Box::new(crate::schemars::schema::InstanceType::String))),
183 ..Default::default()
184 }),
185 ),
186 (
187 "stabilizationWindowSeconds".into(),
188 crate::schemars::schema::Schema::Object(crate::schemars::schema::SchemaObject {
189 metadata: Some(std::boxed::Box::new(crate::schemars::schema::Metadata {
190 description: Some("stabilizationWindowSeconds is the number of seconds for which past recommendations should be considered while scaling up or scaling down. StabilizationWindowSeconds must be greater than or equal to zero and less than or equal to 3600 (one hour). If not set, use the default values: - For scale up: 0 (i.e. no stabilization is done). - For scale down: 300 (i.e. the stabilization window is 300 seconds long).".into()),
191 ..Default::default()
192 })),
193 instance_type: Some(crate::schemars::schema::SingleOrVec::Single(std::boxed::Box::new(crate::schemars::schema::InstanceType::Integer))),
194 format: Some("int32".into()),
195 ..Default::default()
196 }),
197 ),
198 (
199 "tolerance".into(),
200 {
201 let mut schema_obj = __gen.subschema_for::<crate::apimachinery::pkg::api::resource::Quantity>().into_object();
202 schema_obj.metadata = Some(std::boxed::Box::new(crate::schemars::schema::Metadata {
203 description: Some("tolerance is the tolerance on the ratio between the current and desired metric value under which no updates are made to the desired number of replicas (e.g. 0.01 for 1%). Must be greater than or equal to zero. If not set, the default cluster-wide tolerance is applied (by default 10%).\n\nFor example, if autoscaling is configured with a memory consumption target of 100Mi, and scale-down and scale-up tolerances of 5% and 1% respectively, scaling will be triggered when the actual consumption falls below 95Mi or exceeds 101Mi.\n\nThis is an alpha field and requires enabling the HPAConfigurableTolerance feature gate.".into()),
204 ..Default::default()
205 }));
206 crate::schemars::schema::Schema::Object(schema_obj)
207 },
208 ),
209 ].into(),
210 ..Default::default()
211 })),
212 ..Default::default()
213 })
214 }
215}