feat: add tolerations to helm chart

Author: migueladh

chart/crds/overcommit.yaml

@@ -60,6 +60,44 @@ spec:
               overcommitLabel:
                 minLength: 1
                 type: string
+              tolerations:
+                items:
+                  description: |-
+                    The pod this Toleration is attached to tolerates any taint that matches
+                    the triple <key,value,effect> using the matching operator <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
             required:
             - overcommitLabel
             type: object

chart/crds/overcommitClass.yaml

@@ -81,6 +81,44 @@ spec:
                 maximum: 1
                 minimum: 0.0001
                 type: number
+              tolerations:
+                items:
+                  description: |-
+                    The pod this Toleration is attached to tolerates any taint that matches
+                    the triple <key,value,effect> using the matching operator <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
             required:
             - cpuOvercommit
             - excludedNamespaces

chart/templates/02-overcommit.yaml

@@ -14,4 +14,8 @@ spec:
     example.com/label: "true"
   annotations:
     example.com/annotation: "true"
+  {{- if .Values.overcommit.tolerations }}
+  tolerations:
+  {{- toYaml .Values.overcommit.tolerations | nindent 4 }}
+  {{- end }}
 {{ end }}

chart/templates/03-deployment.yaml

@@ -60,3 +60,7 @@ spec:
           limits:
             memory: {{ $.Values.deployment.resources.limits.memory }}
             cpu: {{ $.Values.deployment.resources.limits.cpu }}
+      {{- if .Values.deployment.tolerations }}
+      tolerations:
+      {{- toYaml .Values.deployment.tolerations | nindent 8 }}
+      {{- end }}

chart/templates/04-overcommitClass.yaml

@@ -18,6 +18,10 @@ spec:
     example.com/label: "true"
   annotations:
     example.com/annotation: "true"
+  {{- if .Values.overcommit.tolerations }}
+  tolerations:
+  {{- toYaml .Values.overcommit.tolerations | nindent 4 }}
+  {{- end }}
 ---
 apiVersion: overcommit.inditex.dev/v1alphav1
 kind: OvercommitClass
@@ -32,4 +36,8 @@ spec:
     example.com/label: "true"
   annotations:
     example.com/annotation: "true"
+  {{- if .Values.overcommit.tolerations }}
+  tolerations:
+  {{- toYaml .Values.overcommit.tolerations | nindent 4 }}
+  {{- end }}
 {{- end }}

chart/values.yaml

@@ -10,11 +10,16 @@ namespace: k8s-overcommit
 createNamespace: true
 createOvercommit: false
 createClasses: false
+
+# -- Configuration for the Overcommit controllers
 overcommit:
   # -- Label of the overcommit class
   overcommitClassLabel: inditex.com/overcommit-class
   excludedNamespaces: ".*(^(openshift|k8s-overcommit|kube).*).*"
+  # -- Tolerations for the deployments created by the overcommit operator
+  tolerations: []
 
+# -- Controller deployment configuration
 deployment:
   # -- Number of replicas for the deployment
   replicas: 1
@@ -41,5 +46,8 @@ deployment:
     example-annotation: example-value
   podLabels:
     example-label: example-value
+  # -- Tolerations for the deployment pods
+  tolerations: []
+
 serviceAccount:
   name: overcommit-sa