diff --git a/docs/operator-public-documentation/preview/advanced-configuration/README.md b/docs/operator-public-documentation/preview/advanced-configuration/README.md index cda1cacd..8ad065b5 100644 --- a/docs/operator-public-documentation/preview/advanced-configuration/README.md +++ b/docs/operator-public-documentation/preview/advanced-configuration/README.md @@ -7,6 +7,7 @@ This section covers advanced configuration options for the DocumentDB Kubernetes - [TLS Configuration](#tls-configuration) - [High Availability](#high-availability) - [Storage Configuration](#storage-configuration) +- [Scheduling](#scheduling) - [Resource Management](#resource-management) - [Security](#security) @@ -259,6 +260,17 @@ kubectl patch documentdb -n --type='json' \ --- +## Scheduling + +Configure pod affinity for a documentdb cluster's database pods. This replicates +the cnpg operator's scheduling framework. See + +```yaml +spec: + affinity: + ... +``` + ## Resource Management Configure resource requests and limits for optimal performance. diff --git a/operator/documentdb-helm-chart/crds/documentdb.io_dbs.yaml b/operator/documentdb-helm-chart/crds/documentdb.io_dbs.yaml index 173e5a65..40e49a92 100644 --- a/operator/documentdb-helm-chart/crds/documentdb.io_dbs.yaml +++ b/operator/documentdb-helm-chart/crds/documentdb.io_dbs.yaml @@ -52,6 +52,996 @@ spec: spec: description: DocumentDBSpec defines the desired state of DocumentDB. properties: + affinity: + description: Affinity/Anti-affinity rules for Pods (cnpg passthrough) + properties: + additionalPodAffinity: + description: AdditionalPodAffinity allows to specify pod affinity + terms to be passed to all the cluster's pods. + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling affinity expressions, etc.), + compute a sum by iterating through the elements of this field and adding + "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the + node(s) with the highest sum are the most preferred. + items: + description: The weights of all of the matched WeightedPodAffinityTerm + fields are added per-node to find the most preferred node(s) + properties: + podAffinityTerm: + description: Required. A pod affinity term, associated + with the corresponding weight. + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are + ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are + ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + weight: + description: |- + weight associated with matching the corresponding podAffinityTerm, + in the range 1-100. + format: int32 + type: integer + required: + - podAffinityTerm + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to a pod label update), the + system may or may not try to eventually evict the pod from its node. + When there are multiple elements, the lists of nodes corresponding to each + podAffinityTerm are intersected, i.e. all terms must be satisfied. + items: + description: |- + Defines a set of pods (namely those matching the labelSelector + relative to the given namespace(s)) that this pod should be + co-located (affinity) or not co-located (anti-affinity) with, + where co-located is defined as running on a node whose value of + the label with key matches that of any node on which + a pod of the set of pods is running + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + type: array + x-kubernetes-list-type: atomic + type: object + additionalPodAntiAffinity: + description: |- + AdditionalPodAntiAffinity allows to specify pod anti-affinity terms to be added to the ones generated + by the operator if EnablePodAntiAffinity is set to true (default) or to be used exclusively if set to false. + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the anti-affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling anti-affinity expressions, etc.), + compute a sum by iterating through the elements of this field and adding + "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the + node(s) with the highest sum are the most preferred. + items: + description: The weights of all of the matched WeightedPodAffinityTerm + fields are added per-node to find the most preferred node(s) + properties: + podAffinityTerm: + description: Required. A pod affinity term, associated + with the corresponding weight. + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are + ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are + ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + weight: + description: |- + weight associated with matching the corresponding podAffinityTerm, + in the range 1-100. + format: int32 + type: integer + required: + - podAffinityTerm + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the anti-affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the anti-affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to a pod label update), the + system may or may not try to eventually evict the pod from its node. + When there are multiple elements, the lists of nodes corresponding to each + podAffinityTerm are intersected, i.e. all terms must be satisfied. + items: + description: |- + Defines a set of pods (namely those matching the labelSelector + relative to the given namespace(s)) that this pod should be + co-located (affinity) or not co-located (anti-affinity) with, + where co-located is defined as running on a node whose value of + the label with key matches that of any node on which + a pod of the set of pods is running + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + type: array + x-kubernetes-list-type: atomic + type: object + enablePodAntiAffinity: + description: |- + Activates anti-affinity for the pods. The operator will define pods + anti-affinity unless this field is explicitly set to false + type: boolean + nodeAffinity: + description: |- + NodeAffinity describes node affinity scheduling rules for the pod. + More info: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling affinity expressions, etc.), + compute a sum by iterating through the elements of this field and adding + "weight" to the sum if the node matches the corresponding matchExpressions; the + node(s) with the highest sum are the most preferred. + items: + description: |- + An empty preferred scheduling term matches all objects with implicit weight 0 + (i.e. it's a no-op). A null preferred scheduling term matches no objects (i.e. is also a no-op). + properties: + preference: + description: A node selector term, associated with the + corresponding weight. + properties: + matchExpressions: + description: A list of node selector requirements + by node's labels. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that the selector + applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchFields: + description: A list of node selector requirements + by node's fields. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that the selector + applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + type: object + x-kubernetes-map-type: atomic + weight: + description: Weight associated with matching the corresponding + nodeSelectorTerm, in the range 1-100. + format: int32 + type: integer + required: + - preference + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to an update), the system + may or may not try to eventually evict the pod from its node. + properties: + nodeSelectorTerms: + description: Required. A list of node selector terms. + The terms are ORed. + items: + description: |- + A null or empty node selector term matches no objects. The requirements of + them are ANDed. + The TopologySelectorTerm type implements a subset of the NodeSelectorTerm. + properties: + matchExpressions: + description: A list of node selector requirements + by node's labels. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that the selector + applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchFields: + description: A list of node selector requirements + by node's fields. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that the selector + applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + type: object + x-kubernetes-map-type: atomic + type: array + x-kubernetes-list-type: atomic + required: + - nodeSelectorTerms + type: object + x-kubernetes-map-type: atomic + type: object + nodeSelector: + additionalProperties: + type: string + description: |- + NodeSelector is map of key-value pairs used to define the nodes on which + the pods can run. + More info: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/ + type: object + podAntiAffinityType: + description: |- + PodAntiAffinityType allows the user to decide whether pod anti-affinity between cluster instance has to be + considered a strong requirement during scheduling or not. Allowed values are: "preferred" (default if empty) or + "required". Setting it to "required", could lead to instances remaining pending until new kubernetes nodes are + added if all the existing nodes don't match the required pod anti-affinity rule. + More info: + https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity + type: string + tolerations: + description: |- + Tolerations is a list of Tolerations that should be set for all the pods, in order to allow them to run + on tainted nodes. + More info: https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/ + items: + description: |- + The pod this Toleration is attached to tolerates any taint that matches + the triple using the matching operator . + properties: + effect: + description: |- + Effect indicates the taint effect to match. Empty means match all taint effects. + When specified, allowed values are NoSchedule, PreferNoSchedule and NoExecute. + type: string + key: + description: |- + Key is the taint key that the toleration applies to. Empty means match all taint keys. + If the key is empty, operator must be Exists; this combination means to match all values and all keys. + type: string + operator: + description: |- + Operator represents a key's relationship to the value. + Valid operators are Exists and Equal. Defaults to Equal. + Exists is equivalent to wildcard for value, so that a pod can + tolerate all taints of a particular category. + type: string + tolerationSeconds: + description: |- + TolerationSeconds represents the period of time the toleration (which must be + of effect NoExecute, otherwise this field is ignored) tolerates the taint. By default, + it is not set, which means tolerate the taint forever (do not evict). Zero and + negative values will be treated as 0 (evict immediately) by the system. + format: int64 + type: integer + value: + description: |- + Value is the taint value the toleration matches to. + If the operator is Exists, the value should be empty, otherwise just a regular string. + type: string + type: object + type: array + topologyKey: + description: |- + TopologyKey to use for anti-affinity configuration. See k8s documentation + for more info on that + type: string + type: object backup: description: Backup configures backup settings for DocumentDB. properties: diff --git a/operator/src/api/preview/documentdb_types.go b/operator/src/api/preview/documentdb_types.go index dd15e34b..8bee2740 100644 --- a/operator/src/api/preview/documentdb_types.go +++ b/operator/src/api/preview/documentdb_types.go @@ -76,6 +76,10 @@ type DocumentDBSpec struct { // Backup configures backup settings for DocumentDB. // +optional Backup *BackupConfiguration `json:"backup,omitempty"` + + // Affinity/Anti-affinity rules for Pods (cnpg passthrough) + // +optional + Affinity cnpgv1.AffinityConfiguration `json:"affinity,omitempty"` } // BootstrapConfiguration defines how to bootstrap a DocumentDB cluster. diff --git a/operator/src/api/preview/zz_generated.deepcopy.go b/operator/src/api/preview/zz_generated.deepcopy.go index 07a84559..72553b73 100644 --- a/operator/src/api/preview/zz_generated.deepcopy.go +++ b/operator/src/api/preview/zz_generated.deepcopy.go @@ -279,6 +279,7 @@ func (in *DocumentDBSpec) DeepCopyInto(out *DocumentDBSpec) { *out = new(BackupConfiguration) **out = **in } + in.Affinity.DeepCopyInto(&out.Affinity) } // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DocumentDBSpec. diff --git a/operator/src/config/crd/bases/documentdb.io_dbs.yaml b/operator/src/config/crd/bases/documentdb.io_dbs.yaml index 173e5a65..40e49a92 100644 --- a/operator/src/config/crd/bases/documentdb.io_dbs.yaml +++ b/operator/src/config/crd/bases/documentdb.io_dbs.yaml @@ -52,6 +52,996 @@ spec: spec: description: DocumentDBSpec defines the desired state of DocumentDB. properties: + affinity: + description: Affinity/Anti-affinity rules for Pods (cnpg passthrough) + properties: + additionalPodAffinity: + description: AdditionalPodAffinity allows to specify pod affinity + terms to be passed to all the cluster's pods. + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling affinity expressions, etc.), + compute a sum by iterating through the elements of this field and adding + "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the + node(s) with the highest sum are the most preferred. + items: + description: The weights of all of the matched WeightedPodAffinityTerm + fields are added per-node to find the most preferred node(s) + properties: + podAffinityTerm: + description: Required. A pod affinity term, associated + with the corresponding weight. + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are + ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are + ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + weight: + description: |- + weight associated with matching the corresponding podAffinityTerm, + in the range 1-100. + format: int32 + type: integer + required: + - podAffinityTerm + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to a pod label update), the + system may or may not try to eventually evict the pod from its node. + When there are multiple elements, the lists of nodes corresponding to each + podAffinityTerm are intersected, i.e. all terms must be satisfied. + items: + description: |- + Defines a set of pods (namely those matching the labelSelector + relative to the given namespace(s)) that this pod should be + co-located (affinity) or not co-located (anti-affinity) with, + where co-located is defined as running on a node whose value of + the label with key matches that of any node on which + a pod of the set of pods is running + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + type: array + x-kubernetes-list-type: atomic + type: object + additionalPodAntiAffinity: + description: |- + AdditionalPodAntiAffinity allows to specify pod anti-affinity terms to be added to the ones generated + by the operator if EnablePodAntiAffinity is set to true (default) or to be used exclusively if set to false. + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the anti-affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling anti-affinity expressions, etc.), + compute a sum by iterating through the elements of this field and adding + "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the + node(s) with the highest sum are the most preferred. + items: + description: The weights of all of the matched WeightedPodAffinityTerm + fields are added per-node to find the most preferred node(s) + properties: + podAffinityTerm: + description: Required. A pod affinity term, associated + with the corresponding weight. + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are + ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are + ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + weight: + description: |- + weight associated with matching the corresponding podAffinityTerm, + in the range 1-100. + format: int32 + type: integer + required: + - podAffinityTerm + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the anti-affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the anti-affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to a pod label update), the + system may or may not try to eventually evict the pod from its node. + When there are multiple elements, the lists of nodes corresponding to each + podAffinityTerm are intersected, i.e. all terms must be satisfied. + items: + description: |- + Defines a set of pods (namely those matching the labelSelector + relative to the given namespace(s)) that this pod should be + co-located (affinity) or not co-located (anti-affinity) with, + where co-located is defined as running on a node whose value of + the label with key matches that of any node on which + a pod of the set of pods is running + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + This is a beta field and requires enabling MatchLabelKeysInPodAffinity feature gate (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a list of label + selector requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the + selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + type: array + x-kubernetes-list-type: atomic + type: object + enablePodAntiAffinity: + description: |- + Activates anti-affinity for the pods. The operator will define pods + anti-affinity unless this field is explicitly set to false + type: boolean + nodeAffinity: + description: |- + NodeAffinity describes node affinity scheduling rules for the pod. + More info: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling affinity expressions, etc.), + compute a sum by iterating through the elements of this field and adding + "weight" to the sum if the node matches the corresponding matchExpressions; the + node(s) with the highest sum are the most preferred. + items: + description: |- + An empty preferred scheduling term matches all objects with implicit weight 0 + (i.e. it's a no-op). A null preferred scheduling term matches no objects (i.e. is also a no-op). + properties: + preference: + description: A node selector term, associated with the + corresponding weight. + properties: + matchExpressions: + description: A list of node selector requirements + by node's labels. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that the selector + applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchFields: + description: A list of node selector requirements + by node's fields. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that the selector + applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + type: object + x-kubernetes-map-type: atomic + weight: + description: Weight associated with matching the corresponding + nodeSelectorTerm, in the range 1-100. + format: int32 + type: integer + required: + - preference + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to an update), the system + may or may not try to eventually evict the pod from its node. + properties: + nodeSelectorTerms: + description: Required. A list of node selector terms. + The terms are ORed. + items: + description: |- + A null or empty node selector term matches no objects. The requirements of + them are ANDed. + The TopologySelectorTerm type implements a subset of the NodeSelectorTerm. + properties: + matchExpressions: + description: A list of node selector requirements + by node's labels. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that the selector + applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchFields: + description: A list of node selector requirements + by node's fields. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that the selector + applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + type: object + x-kubernetes-map-type: atomic + type: array + x-kubernetes-list-type: atomic + required: + - nodeSelectorTerms + type: object + x-kubernetes-map-type: atomic + type: object + nodeSelector: + additionalProperties: + type: string + description: |- + NodeSelector is map of key-value pairs used to define the nodes on which + the pods can run. + More info: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/ + type: object + podAntiAffinityType: + description: |- + PodAntiAffinityType allows the user to decide whether pod anti-affinity between cluster instance has to be + considered a strong requirement during scheduling or not. Allowed values are: "preferred" (default if empty) or + "required". Setting it to "required", could lead to instances remaining pending until new kubernetes nodes are + added if all the existing nodes don't match the required pod anti-affinity rule. + More info: + https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity + type: string + tolerations: + description: |- + Tolerations is a list of Tolerations that should be set for all the pods, in order to allow them to run + on tainted nodes. + More info: https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/ + items: + description: |- + The pod this Toleration is attached to tolerates any taint that matches + the triple using the matching operator . + properties: + effect: + description: |- + Effect indicates the taint effect to match. Empty means match all taint effects. + When specified, allowed values are NoSchedule, PreferNoSchedule and NoExecute. + type: string + key: + description: |- + Key is the taint key that the toleration applies to. Empty means match all taint keys. + If the key is empty, operator must be Exists; this combination means to match all values and all keys. + type: string + operator: + description: |- + Operator represents a key's relationship to the value. + Valid operators are Exists and Equal. Defaults to Equal. + Exists is equivalent to wildcard for value, so that a pod can + tolerate all taints of a particular category. + type: string + tolerationSeconds: + description: |- + TolerationSeconds represents the period of time the toleration (which must be + of effect NoExecute, otherwise this field is ignored) tolerates the taint. By default, + it is not set, which means tolerate the taint forever (do not evict). Zero and + negative values will be treated as 0 (evict immediately) by the system. + format: int64 + type: integer + value: + description: |- + Value is the taint value the toleration matches to. + If the operator is Exists, the value should be empty, otherwise just a regular string. + type: string + type: object + type: array + topologyKey: + description: |- + TopologyKey to use for anti-affinity configuration. See k8s documentation + for more info on that + type: string + type: object backup: description: Backup configures backup settings for DocumentDB. properties: diff --git a/operator/src/internal/cnpg/cnpg_cluster.go b/operator/src/internal/cnpg/cnpg_cluster.go index 5761160b..45d4edef 100644 --- a/operator/src/internal/cnpg/cnpg_cluster.go +++ b/operator/src/internal/cnpg/cnpg_cluster.go @@ -96,6 +96,7 @@ func GetCnpgClusterSpec(req ctrl.Request, documentdb *dbpreview.DocumentDB, docu }, Target: cnpgv1.BackupTarget("primary"), }, + Affinity: documentdb.Spec.Affinity, } spec.MaxStopDelay = getMaxStopDelayOrDefault(documentdb) return spec