types

package

v0.0.0-...-a355528 Latest Latest Go to latest Published: Oct 27, 2017 License: Apache-2.0 Imports: 10 Imported by: 0

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func ResolveDependencies(spec types.Spec) (depends.Runnables, error)

ResolveDependencies returns a list of dependencies by parsing the opaque Properties blob.

func UnparseProperties(id string, props Spec) (group.Spec, error)

UnparseProperties composes group.spec from id and props

type AllocationMethod struct {
	Size       uint
	LogicalIDs []instance.LogicalID
}

AllocationMethod defines the type of allocation and supervision needed by a flavor's Group.

type FlavorPlugin struct {
	Plugin     plugin.Name
	Properties *types.Any // this will be the Spec of the plugin
}

FlavorPlugin describes the flavor configuration

type Index struct {

	// Group is the name of the group
	Group group.ID

	// Sequence is a sequence number that's per instance.
	Sequence uint
}

Index is the index of the instance's creation. It provides a context for knowing what is being created.

type InstancePlugin struct {
	Plugin     plugin.Name
	Properties *types.Any // this will be the Spec of the plugin
}

InstancePlugin is the structure that describes an instance plugin.

type Spec struct {
	Instance   InstancePlugin
	Flavor     FlavorPlugin
	Allocation AllocationMethod
}

Spec is the configuration schema for the plugin, provided in group.Spec.Properties

func MustParse(s Spec, e error) Spec

MustParse can be wrapped over ParseProperties to panic if parsing fails.

func ParseProperties(config group.Spec) (Spec, error)

ParseProperties parses the group plugin properties JSON document in a group configuration.

func (c Spec) InstanceHash() string

InstanceHash computes a stable hash of the document in InstancePluginProperties.