2017-11-08 09:06:43 -05:00
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package genericresource
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import (
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"fmt"
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2018-11-26 15:58:44 -05:00
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2017-11-08 09:06:43 -05:00
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"github.com/docker/swarmkit/api"
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)
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// ValidateTask validates that the task only uses integers
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// for generic resources
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func ValidateTask(resources *api.Resources) error {
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for _, v := range resources.Generic {
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if v.GetDiscreteResourceSpec() != nil {
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continue
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}
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return fmt.Errorf("invalid argument for resource %s", Kind(v))
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}
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return nil
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}
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// HasEnough returns true if node can satisfy the task's GenericResource request
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func HasEnough(nodeRes []*api.GenericResource, taskRes *api.GenericResource) (bool, error) {
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t := taskRes.GetDiscreteResourceSpec()
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if t == nil {
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return false, fmt.Errorf("task should only hold Discrete type")
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}
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if nodeRes == nil {
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return false, nil
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}
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nrs := GetResource(t.Kind, nodeRes)
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if len(nrs) == 0 {
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return false, nil
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}
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switch nr := nrs[0].Resource.(type) {
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case *api.GenericResource_DiscreteResourceSpec:
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if t.Value > nr.DiscreteResourceSpec.Value {
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return false, nil
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}
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case *api.GenericResource_NamedResourceSpec:
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if t.Value > int64(len(nrs)) {
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return false, nil
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}
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}
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return true, nil
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}
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// HasResource checks if there is enough "res" in the "resources" argument
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func HasResource(res *api.GenericResource, resources []*api.GenericResource) bool {
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for _, r := range resources {
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if Kind(res) != Kind(r) {
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continue
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}
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switch rtype := r.Resource.(type) {
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case *api.GenericResource_DiscreteResourceSpec:
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if res.GetDiscreteResourceSpec() == nil {
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return false
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}
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if res.GetDiscreteResourceSpec().Value < rtype.DiscreteResourceSpec.Value {
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return false
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}
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return true
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case *api.GenericResource_NamedResourceSpec:
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if res.GetNamedResourceSpec() == nil {
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return false
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}
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if res.GetNamedResourceSpec().Value != rtype.NamedResourceSpec.Value {
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continue
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}
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return true
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}
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}
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return false
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}
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