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|
package genericresource
import (
"github.com/moby/swarmkit/v2/api"
)
// NewSet creates a set object
func NewSet(key string, vals ...string) []*api.GenericResource {
rs := make([]*api.GenericResource, 0, len(vals))
for _, v := range vals {
rs = append(rs, NewString(key, v))
}
return rs
}
// NewString creates a String resource
func NewString(key, val string) *api.GenericResource {
return &api.GenericResource{
Resource: &api.GenericResource_NamedResourceSpec{
NamedResourceSpec: &api.NamedGenericResource{
Kind: key,
Value: val,
},
},
}
}
// NewDiscrete creates a Discrete resource
func NewDiscrete(key string, val int64) *api.GenericResource {
return &api.GenericResource{
Resource: &api.GenericResource_DiscreteResourceSpec{
DiscreteResourceSpec: &api.DiscreteGenericResource{
Kind: key,
Value: val,
},
},
}
}
// GetResource returns resources from the "resources" parameter matching the kind key
func GetResource(kind string, resources []*api.GenericResource) []*api.GenericResource {
var res []*api.GenericResource
for _, r := range resources {
if Kind(r) != kind {
continue
}
res = append(res, r)
}
return res
}
// ConsumeNodeResources removes "res" from nodeAvailableResources
func ConsumeNodeResources(nodeAvailableResources *[]*api.GenericResource, res []*api.GenericResource) {
if nodeAvailableResources == nil {
return
}
w := 0
loop:
for _, na := range *nodeAvailableResources {
for _, r := range res {
if Kind(na) != Kind(r) {
continue
}
if remove(na, r) {
continue loop
}
// If this wasn't the right element then
// we need to continue
}
(*nodeAvailableResources)[w] = na
w++
}
*nodeAvailableResources = (*nodeAvailableResources)[:w]
}
// Returns true if the element is to be removed from the list
func remove(na, r *api.GenericResource) bool {
switch tr := r.Resource.(type) {
case *api.GenericResource_DiscreteResourceSpec:
if na.GetDiscreteResourceSpec() == nil {
return false // Type change, ignore
}
na.GetDiscreteResourceSpec().Value -= tr.DiscreteResourceSpec.Value
if na.GetDiscreteResourceSpec().Value <= 0 {
return true
}
case *api.GenericResource_NamedResourceSpec:
if na.GetNamedResourceSpec() == nil {
return false // Type change, ignore
}
if tr.NamedResourceSpec.Value != na.GetNamedResourceSpec().Value {
return false // not the right item, ignore
}
return true
}
return false
}
|
