Adding compatibility for marathon 1.5

vendor/github.com/gambol99/go-marathon/pod_scheduling.go

@@ -0,0 +1,75 @@
+/*
+Copyright 2017 The go-marathon Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package marathon
+
+// PodBackoff describes the backoff for re-run attempts of a pod
+type PodBackoff struct {
+	Backoff        *int     `json:"backoff,omitempty"`
+	BackoffFactor  *float64 `json:"backoffFactor,omitempty"`
+	MaxLaunchDelay *int     `json:"maxLaunchDelay,omitempty"`
+}
+
+// PodUpgrade describes the policy for upgrading a pod in-place
+type PodUpgrade struct {
+	MinimumHealthCapacity *float64 `json:"minimumHealthCapacity,omitempty"`
+	MaximumOverCapacity   *float64 `json:"maximumOverCapacity,omitempty"`
+}
+
+// PodPlacement supports constraining which hosts a pod is placed on
+type PodPlacement struct {
+	Constraints           *[]Constraint `json:"constraints"`
+	AcceptedResourceRoles []string    `json:"acceptedResourceRoles,omitempty"`
+}
+
+// PodSchedulingPolicy is the overarching pod scheduling policy
+type PodSchedulingPolicy struct {
+	Backoff   *PodBackoff   `json:"backoff,omitempty"`
+	Upgrade   *PodUpgrade   `json:"upgrade,omitempty"`
+	Placement *PodPlacement `json:"placement,omitempty"`
+}
+
+// Constraint describes the constraint for pod placement
+type Constraint struct {
+	FieldName  string `json:"fieldName"`
+	Operator   string `json:"operator"`
+	Value      string `json:"value,omitempty"`
+}
+
+// NewPodPlacement creates an empty PodPlacement
+func NewPodPlacement() *PodPlacement {
+	return &PodPlacement{
+		Constraints:           &[]Constraint{},
+		AcceptedResourceRoles: []string{},
+	}
+}
+
+// AddConstraint adds a new constraint
+//		constraints:	the constraint definition, one constraint per array element
+func (r *PodPlacement) AddConstraint(constraint Constraint) *PodPlacement {
+	c := *r.Constraints
+	c = append(c, constraint)
+	r.Constraints = &c
+
+	return r
+}
+
+// NewPodSchedulingPolicy creates an empty PodSchedulingPolicy
+func NewPodSchedulingPolicy() *PodSchedulingPolicy {
+	return &PodSchedulingPolicy{
+		Placement: NewPodPlacement(),
+	}
+}