Add Maxunavaiable for Elasticsearch PDB support (#414)

kubedb · May 31, 2019 · c9bc03f · c9bc03f
1 parent 7517175
commit c9bc03f
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Showing 5 changed files with 29 additions and 1 deletion.
diff --git a/api/crds/elasticsearch.yaml b/api/crds/elasticsearch.yaml
@@ -8149,6 +8149,10 @@ spec:
                       type: string
                   type: object
               type: object
+            maxUnavailable:
+              oneOf:
+              - type: string
+              - type: integer
             monitor:
               properties:
                 agent:

diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
@@ -19786,6 +19786,10 @@
           "description": "Init is used to initialize database",
           "$ref": "#/definitions/com.github.kubedb.apimachinery.apis.kubedb.v1alpha1.InitSpec"
         },
+        "maxUnavailable": {
+          "description": "An eviction is allowed if at most \"maxUnavailable\" pods selected by \"selector\" are unavailable after the eviction, i.e. even in absence of the evicted pod. For example, one can prevent all voluntary evictions by specifying 0. This is a mutually exclusive setting with \"minAvailable\".",
+          "$ref": "#/definitions/io.k8s.apimachinery.pkg.util.intstr.IntOrString"
+        },
         "monitor": {
           "description": "Monitor is used monitor database instance",
           "$ref": "#/definitions/xyz.kmodules.monitoring-agent-api.api.v1.AgentSpec"

diff --git a/apis/kubedb/v1alpha1/elasticsearch_types.go b/apis/kubedb/v1alpha1/elasticsearch_types.go
@@ -5,6 +5,7 @@ import (
 	apps "k8s.io/api/apps/v1"
 	core "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/intstr"
 	mona "kmodules.xyz/monitoring-agent-api/api/v1"
 	ofst "kmodules.xyz/offshoot-api/api/v1"
 )
@@ -80,6 +81,13 @@ type ElasticsearchSpec struct {
 	// +optional
 	ServiceTemplate ofst.ServiceTemplateSpec `json:"serviceTemplate,omitempty"`
 
+	// An eviction is allowed if at most "maxUnavailable" pods selected by
+	// "selector" are unavailable after the eviction, i.e. even in absence of
+	// the evicted pod. For example, one can prevent all voluntary evictions
+	// by specifying 0. This is a mutually exclusive setting with "minAvailable".
+	// +optional
+	MaxUnavailable *intstr.IntOrString `json:"maxUnavailable,omitempty"`
+
 	// updateStrategy indicates the StatefulSetUpdateStrategy that will be
 	// employed to update Pods in the StatefulSet when a revision is made to
 	// Template.

diff --git a/apis/kubedb/v1alpha1/openapi_generated.go b/apis/kubedb/v1alpha1/openapi_generated.go
diff --git a/apis/kubedb/v1alpha1/zz_generated.deepcopy.go b/apis/kubedb/v1alpha1/zz_generated.deepcopy.go