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package flagparser
import (
"fmt"
"github.com/docker/swarmkit/api"
"github.com/spf13/pflag"
)
func parsePlacement(flags *pflag.FlagSet, spec *api.ServiceSpec) error {
if flags.Changed("constraint") {
constraints, err := flags.GetStringSlice("constraint")
if err != nil {
return err
}
if spec.Task.Placement == nil {
spec.Task.Placement = &api.Placement{}
}
spec.Task.Placement.Constraints = constraints
}
if flags.Changed("replicas-max-per-node") {
if spec.GetReplicated() == nil {
return fmt.Errorf("--replicas-max-per-node can only be specified in --mode replicated")
}
maxReplicas, err := flags.GetUint64("replicas-max-per-node")
if err != nil {
return err
}
if spec.Task.Placement == nil {
spec.Task.Placement = &api.Placement{}
}
spec.Task.Placement.MaxReplicas = maxReplicas
}
return nil
}
|
