Add ID fields to Resource Objects for easy lookup and validations

lib/api/bgppeer.go

@@ -15,6 +15,8 @@
 package api
 
 import (
+	"fmt"
+
 	"github.com/projectcalico/libcalico-go/lib/api/unversioned"
 	"github.com/projectcalico/libcalico-go/lib/net"
 	"github.com/projectcalico/libcalico-go/lib/numorstring"
@@ -37,6 +39,15 @@ func (t BGPPeer) GetResourceMetadata() unversioned.ResourceMetadata {
 	return t.Metadata
 }
 
+// String() returns the human-readable string representation of a BGPPeer instance
+// which is defined by its PeerIP and Scope.
+func (t BGPPeer) String() string {
+	if t.Metadata.Scope == scope.Node && t.Metadata.Node == "" {
+		return fmt.Sprintf("BGPPeer(PeerIP=%s, Scope=%s)", t.Metadata.PeerIP.IP.String(), t.Metadata.Scope)
+	}
+	return fmt.Sprintf("BGPPeer(PeerIP=%s, Scope=%s, Node=%s)", t.Metadata.PeerIP.IP.String(), t.Metadata.Scope, t.Metadata.Node)
+}
+
 // BGPPeerMetadata contains the metadata for a BGPPeer resource.
 type BGPPeerMetadata struct {
 	unversioned.ObjectMetadata

lib/api/hostendpoint.go

@@ -15,6 +15,8 @@
 package api
 
 import (
+	"fmt"
+
 	"github.com/projectcalico/libcalico-go/lib/api/unversioned"
 	"github.com/projectcalico/libcalico-go/lib/net"
 )
@@ -31,6 +33,12 @@ func (t HostEndpoint) GetResourceMetadata() unversioned.ResourceMetadata {
 	return t.Metadata
 }
 
+// String() returns the human-readable string representation of a HostEndpoint instance
+// which is defined by its Node and Name.
+func (t HostEndpoint) String() string {
+	return fmt.Sprintf("HostEndpoint(Node=%s, Name=%s)", t.Metadata.Node, t.Metadata.Name)
+}
+
 // HostEndpointMetadata contains the Metadata for a HostEndpoint resource.
 type HostEndpointMetadata struct {
 	unversioned.ObjectMetadata

lib/api/ippool.go

@@ -15,6 +15,8 @@
 package api
 
 import (
+	"fmt"
+
 	"github.com/projectcalico/libcalico-go/lib/api/unversioned"
 	"github.com/projectcalico/libcalico-go/lib/ipip"
 	"github.com/projectcalico/libcalico-go/lib/net"
@@ -37,6 +39,12 @@ func (t IPPool) GetResourceMetadata() unversioned.ResourceMetadata {
 	return t.Metadata
 }
 
+// String() returns the human-readable string representation of an IPPool instance
+// which is defined by its CIDR.
+func (t IPPool) String() string {
+	return fmt.Sprintf("IPPool(CIDR=%s)", t.Metadata.CIDR.String())
+}
+
 // IPPoolMetadata contains the metadata for an IP pool resource.
 type IPPoolMetadata struct {
 	unversioned.ObjectMetadata

lib/api/node.go

@@ -15,6 +15,8 @@
 package api
 
 import (
+	"fmt"
+
 	"github.com/projectcalico/libcalico-go/lib/api/unversioned"
 	"github.com/projectcalico/libcalico-go/lib/net"
 	"github.com/projectcalico/libcalico-go/lib/numorstring"
@@ -44,6 +46,12 @@ func (t Node) GetResourceMetadata() unversioned.ResourceMetadata {
 	return t.Metadata
 }
 
+// String() returns the human-readable string representation of a Node instance
+// which is defined by its Name.
+func (t Node) String() string {
+	return fmt.Sprintf("Node(Name=%s)", t.Metadata.Name)
+}
+
 // NodeMetadata contains the metadata for a Calico Node resource.
 type NodeMetadata struct {
 	unversioned.ObjectMetadata

lib/api/policy.go

@@ -15,6 +15,8 @@
 package api
 
 import (
+	"fmt"
+
 	"github.com/projectcalico/libcalico-go/lib/api/unversioned"
 )
 
@@ -46,6 +48,12 @@ func (t Policy) GetResourceMetadata() unversioned.ResourceMetadata {
 	return t.Metadata
 }
 
+// String() returns the human-readable string representation of a Policy instance
+// which is defined by its Name.
+func (t Policy) String() string {
+	return fmt.Sprintf("Policy(Name=%s)", t.Metadata.Name)
+}
+
 // PolicyMetadata contains the metadata for a selector-based security Policy resource.
 type PolicyMetadata struct {
 	unversioned.ObjectMetadata

lib/api/profile.go

@@ -15,6 +15,8 @@
 package api
 
 import (
+	"fmt"
+
 	"github.com/projectcalico/libcalico-go/lib/api/unversioned"
 )
 
@@ -33,6 +35,12 @@ func (t Profile) GetResourceMetadata() unversioned.ResourceMetadata {
 	return t.Metadata
 }
 
+// String() returns the human-readable string representation of a Profile instance
+// which is defined by its Name.
+func (t Profile) String() string {
+	return fmt.Sprintf("Profile(Name=%s)", t.Metadata.Name)
+}
+
 // ProfileMetadata contains the metadata for a security Profile resource.
 type ProfileMetadata struct {
 	unversioned.ObjectMetadata

lib/api/unversioned/types.go

@@ -19,10 +19,16 @@ type Resource interface {
 	GetTypeMetadata() TypeMetadata
 }
 
-// All singular resources (all resources not including lists) implement the ResourceObject interface
+// All singular resources (all resources not including lists) implement the ResourceObject interface.
 type ResourceObject interface {
 	Resource
+
+	// GetResourceMetadata returns the ResourceMetadata for each Resource Object.
 	GetResourceMetadata() ResourceMetadata
+
+	// String returns a human-readable string representation of a ResourceObject which
+	// includes the important ID fields for a ResourceObject.
+	String() string
 }
 
 // Define available versions.
@@ -46,6 +52,7 @@ func (md TypeMetadata) GetTypeMetadata() TypeMetadata {
 
 // All resource Metadata (not lists) implement the ResourceMetadata interface.
 type ResourceMetadata interface {
+	// GetObjectMetadata returns the ObjectMetadata instance of the ResourceMetadata.
 	GetObjectMetadata() ObjectMetadata
 }
 

lib/api/workloadendpoint.go

@@ -31,6 +31,15 @@ func (t WorkloadEndpoint) GetResourceMetadata() unversioned.ResourceMetadata {
 	return t.Metadata
 }
 
+// String() returns the human-readable string representation of a WorkloadEndpoint which is
+// defined by its Node, Orchestrator, Workload, Name, and Active Instance ID (if it exists).
+func (t WorkloadEndpoint) String() string {
+	if t.Metadata.ActiveInstanceID == "" {
+		return fmt.Sprintf("WorkloadEndpoint(Node=%s, Orchestrator=%s, Workload=%s, Name=%s)", t.Metadata.Node, t.Metadata.Orchestrator, t.Metadata.Workload, t.Metadata.Name)
+	}
+	return fmt.Sprintf("WorkloadEndpoint(Node=%s, Orchestrator=%s, Workload=%s, Name=%s, ActiveInstanceID=%s)", t.Metadata.Node, t.Metadata.Orchestrator, t.Metadata.Workload, t.Metadata.Name, t.Metadata.ActiveInstanceID)
+}
+
 // WorkloadEndpointMetadata contains the Metadata for a WorkloadEndpoint resource.
 type WorkloadEndpointMetadata struct {
 	unversioned.ObjectMetadata