146 lines
3.6 KiB
Go
146 lines
3.6 KiB
Go
package structs
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import (
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"fmt"
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"github.com/hashicorp/consul/acl"
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)
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// ServiceExportsConfigEntry is the top-level struct for exporting a service to be exposed
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// across other admin partitions.
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type ServiceExportsConfigEntry struct {
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Partition string
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// Services is a list of services to be exported and the list of partitions
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// to expose them to.
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Services []ExportedService
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Meta map[string]string `json:",omitempty"`
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EnterpriseMeta `hcl:",squash" mapstructure:",squash"`
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RaftIndex
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}
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// ExportedService manages the exporting of a service in the local partition to
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// other partitions.
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type ExportedService struct {
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// Name is the name of the service to be exported.
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Name string
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// Namespace is the namespace to export the service from.
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Namespace string `json:",omitempty"`
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// Consumers is a list of downstream consumers of the service to be exported.
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Consumers []ServiceConsumer
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}
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// ServiceConsumer represents a downstream consumer of the service to be exported.
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type ServiceConsumer struct {
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// Partition is the admin partition to export the service to.
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Partition string
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}
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func (e *ServiceExportsConfigEntry) Clone() *ServiceExportsConfigEntry {
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e2 := *e
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e2.Services = make([]ExportedService, len(e.Services))
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for _, svc := range e.Services {
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exportedSvc := svc
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exportedSvc.Consumers = make([]ServiceConsumer, len(svc.Consumers))
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for _, consumer := range svc.Consumers {
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exportedSvc.Consumers = append(exportedSvc.Consumers, consumer)
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}
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e2.Services = append(e2.Services, exportedSvc)
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}
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return &e2
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}
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func (e *ServiceExportsConfigEntry) GetKind() string {
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return ServiceExports
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}
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func (e *ServiceExportsConfigEntry) GetName() string {
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if e == nil {
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return ""
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}
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return e.Partition
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}
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func (e *ServiceExportsConfigEntry) GetMeta() map[string]string {
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if e == nil {
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return nil
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}
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return e.Meta
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}
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func (e *ServiceExportsConfigEntry) Normalize() error {
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if e == nil {
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return fmt.Errorf("config entry is nil")
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}
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meta := DefaultEnterpriseMetaInPartition(e.Partition)
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e.EnterpriseMeta.Merge(meta)
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e.EnterpriseMeta.Normalize()
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for i := range e.Services {
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e.Services[i].Namespace = NamespaceOrDefault(e.Services[i].Namespace)
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}
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return nil
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}
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func (e *ServiceExportsConfigEntry) Validate() error {
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if e.Partition == "" {
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return fmt.Errorf("Partition is required")
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}
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if e.Partition == WildcardSpecifier {
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return fmt.Errorf("service-exports Partition must be the name of a partition, and not a wildcard")
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}
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validationErr := validateConfigEntryMeta(e.Meta)
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for _, svc := range e.Services {
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if svc.Name == "" {
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return fmt.Errorf("service name cannot be empty")
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}
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if len(svc.Consumers) == 0 {
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return fmt.Errorf("service %q must have at least one consumer", svc.Name)
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}
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for _, consumer := range svc.Consumers {
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if consumer.Partition == WildcardSpecifier {
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return fmt.Errorf("exporting to all partitions (wildcard) is not yet supported")
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}
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}
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}
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return validationErr
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}
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func (e *ServiceExportsConfigEntry) CanRead(authz acl.Authorizer) bool {
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var authzContext acl.AuthorizerContext
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e.FillAuthzContext(&authzContext)
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return authz.MeshRead(&authzContext) == acl.Allow
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}
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func (e *ServiceExportsConfigEntry) CanWrite(authz acl.Authorizer) bool {
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var authzContext acl.AuthorizerContext
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e.FillAuthzContext(&authzContext)
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return authz.MeshWrite(&authzContext) == acl.Allow
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}
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func (e *ServiceExportsConfigEntry) GetRaftIndex() *RaftIndex {
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if e == nil {
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return &RaftIndex{}
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}
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return &e.RaftIndex
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}
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func (e *ServiceExportsConfigEntry) GetEnterpriseMeta() *EnterpriseMeta {
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if e == nil {
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return nil
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}
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return &e.EnterpriseMeta
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}
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