Define hooks for inserting Forwarding Rules and Addresses in all versions

pkg/cloudprovider/providers/gce/cloud/mock/BUILD

@@ -8,6 +8,8 @@ go_library(
     deps = [
         "//pkg/cloudprovider/providers/gce/cloud:go_default_library",
         "//pkg/cloudprovider/providers/gce/cloud/meta:go_default_library",
+        "//vendor/google.golang.org/api/compute/v0.alpha:go_default_library",
+        "//vendor/google.golang.org/api/compute/v0.beta:go_default_library",
         "//vendor/google.golang.org/api/compute/v1:go_default_library",
         "//vendor/google.golang.org/api/googleapi:go_default_library",
     ],

pkg/cloudprovider/providers/gce/cloud/mock/mock.go

@@ -25,16 +25,23 @@ package mock
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"net/http"
 
 	alpha "google.golang.org/api/compute/v0.alpha"
+	beta "google.golang.org/api/compute/v0.beta"
 	ga "google.golang.org/api/compute/v1"
 	"google.golang.org/api/googleapi"
-	cloud "k8s.io/kubernetes/pkg/cloudprovider/providers/gce/cloud"
+	"k8s.io/kubernetes/pkg/cloudprovider/providers/gce/cloud"
 	"k8s.io/kubernetes/pkg/cloudprovider/providers/gce/cloud/meta"
 )
 
+// gceObject is an abstraction of all GCE API object in go client
+type gceObject interface {
+	MarshalJSON() ([]byte, error)
+}
+
 // AddInstanceHook mocks adding a Instance to MockTargetPools
 func AddInstanceHook(ctx context.Context, key *meta.Key, req *ga.TargetPoolsAddInstanceRequest, m *cloud.MockTargetPools) error {
 	pool, err := m.Get(ctx, key)
@@ -76,20 +83,146 @@ func RemoveInstanceHook(ctx context.Context, key *meta.Key, req *ga.TargetPoolsR
 	return nil
 }
 
-// GetAlphaFwdRuleHook mocks getting an AlphaForwardingRule. ForwardingRules
-// are expected to default to Premium tier if no NetworkTier is specified.
-func GetAlphaFwdRuleHook(ctx context.Context, key *meta.Key, m *cloud.MockAlphaForwardingRules) (bool, *alpha.ForwardingRule, error) {
-	if obj, ok := m.Objects[*key]; ok {
-		typedObj := obj.ToAlpha()
-		if typedObj.NetworkTier == "" {
-			typedObj.NetworkTier = "PREMIUM"
+func convertAndInsertAlphaForwardingRule(key *meta.Key, obj gceObject, mRules map[meta.Key]*cloud.MockForwardingRulesObj, version meta.Version, projectID string) (bool, error) {
+	if !key.Valid() {
+		return false, fmt.Errorf("invalid GCE key (%+v)", key)
+	}
+
+	if _, ok := mRules[*key]; ok {
+		err := &googleapi.Error{
+			Code:    http.StatusConflict,
+			Message: fmt.Sprintf("MockForwardingRule %v exists", key),
 		}
-		return true, typedObj, nil
+		return false, err
 	}
 
-	err := &googleapi.Error{
-		Code: http.StatusNotFound,
+	enc, err := obj.MarshalJSON()
+	if err != nil {
+		return false, err
+	}
+	var fwdRule alpha.ForwardingRule
+	if err := json.Unmarshal(enc, &fwdRule); err != nil {
+		return false, err
+	}
+	// Set the default values for the Alpha fields.
+	if fwdRule.NetworkTier == "" {
+		fwdRule.NetworkTier = cloud.NetworkTierDefault.ToGCEValue()
 	}
 
-	return false, nil, err
+	fwdRule.Name = key.Name
+	if fwdRule.SelfLink == "" {
+		fwdRule.SelfLink = cloud.SelfLink(version, projectID, "forwardingRules", key)
+	}
+
+	mRules[*key] = &cloud.MockForwardingRulesObj{Obj: fwdRule}
+	return true, nil
+}
+
+// InsertFwdRuleHook mocks inserting a ForwardingRule. ForwardingRules are
+// expected to default to Premium tier if no NetworkTier is specified.
+func InsertFwdRuleHook(ctx context.Context, key *meta.Key, obj *ga.ForwardingRule, m *cloud.MockForwardingRules) (bool, error) {
+	projectID := m.ProjectRouter.ProjectID(ctx, meta.VersionGA, "forwardingRules")
+	return convertAndInsertAlphaForwardingRule(key, obj, m.Objects, meta.VersionGA, projectID)
+}
+
+// InsertBetaFwdRuleHook mocks inserting a BetaForwardingRule.
+func InsertBetaFwdRuleHook(ctx context.Context, key *meta.Key, obj *beta.ForwardingRule, m *cloud.MockForwardingRules) (bool, error) {
+	projectID := m.ProjectRouter.ProjectID(ctx, meta.VersionBeta, "forwardingRules")
+	return convertAndInsertAlphaForwardingRule(key, obj, m.Objects, meta.VersionBeta, projectID)
+}
+
+// InsertAlphaFwdRuleHook mocks inserting an AlphaForwardingRule.
+func InsertAlphaFwdRuleHook(ctx context.Context, key *meta.Key, obj *alpha.ForwardingRule, m *cloud.MockForwardingRules) (bool, error) {
+	projectID := m.ProjectRouter.ProjectID(ctx, meta.VersionAlpha, "forwardingRules")
+	return convertAndInsertAlphaForwardingRule(key, obj, m.Objects, meta.VersionAlpha, projectID)
+}
+
+// Used to assign Addresses with no IP a unique IP address
+var ipCounter = 1
+
+func convertAndInsertAlphaAddress(key *meta.Key, obj gceObject, mAddrs map[meta.Key]*cloud.MockAddressesObj, version meta.Version, projectID string) (bool, error) {
+	if !key.Valid() {
+		return false, fmt.Errorf("invalid GCE key (%+v)", key)
+	}
+
+	if _, ok := mAddrs[*key]; ok {
+		err := &googleapi.Error{
+			Code:    http.StatusConflict,
+			Message: fmt.Sprintf("MockAddresses %v exists", key),
+		}
+		return false, err
+	}
+
+	enc, err := obj.MarshalJSON()
+	if err != nil {
+		return false, err
+	}
+	var addr alpha.Address
+	if err := json.Unmarshal(enc, &addr); err != nil {
+		return false, err
+	}
+
+	// Set default address type if not present.
+	if addr.AddressType == "" {
+		addr.AddressType = string(cloud.SchemeExternal)
+	}
+
+	var existingAddresses []*ga.Address
+	for _, obj := range mAddrs {
+		existingAddresses = append(existingAddresses, obj.ToGA())
+	}
+
+	for _, existingAddr := range existingAddresses {
+		if addr.Address == existingAddr.Address {
+			msg := fmt.Sprintf("MockAddresses IP %v in use", addr.Address)
+
+			// When the IP is already in use, this call returns a StatusBadRequest
+			// if the address is an external address, and StatusConflict if an
+			// internal address. This is to be consistent with actual GCE API.
+			errorCode := http.StatusConflict
+			if addr.AddressType == string(cloud.SchemeExternal) {
+				errorCode = http.StatusBadRequest
+			}
+
+			return false, &googleapi.Error{Code: errorCode, Message: msg}
+		}
+	}
+
+	// Set default values used in tests
+	addr.Name = key.Name
+	if addr.SelfLink == "" {
+		addr.SelfLink = cloud.SelfLink(version, projectID, "addresses", key)
+	}
+
+	if addr.Address == "" {
+		addr.Address = fmt.Sprintf("1.2.3.%d", ipCounter)
+		ipCounter++
+	}
+
+	// Set the default values for the Alpha fields.
+	if addr.NetworkTier == "" {
+		addr.NetworkTier = cloud.NetworkTierDefault.ToGCEValue()
+	}
+
+	mAddrs[*key] = &cloud.MockAddressesObj{Obj: addr}
+	return true, nil
+}
+
+// InsertAddressHook mocks inserting an Address.
+func InsertAddressHook(ctx context.Context, key *meta.Key, obj *ga.Address, m *cloud.MockAddresses) (bool, error) {
+	projectID := m.ProjectRouter.ProjectID(ctx, meta.VersionGA, "addresses")
+	return convertAndInsertAlphaAddress(key, obj, m.Objects, meta.VersionGA, projectID)
+}
+
+// InsertBetaAddressHook mocks inserting a BetaAddress.
+func InsertBetaAddressHook(ctx context.Context, key *meta.Key, obj *beta.Address, m *cloud.MockAddresses) (bool, error) {
+	projectID := m.ProjectRouter.ProjectID(ctx, meta.VersionBeta, "addresses")
+	return convertAndInsertAlphaAddress(key, obj, m.Objects, meta.VersionBeta, projectID)
+}
+
+// InsertAlphaAddressHook mocks inserting an Address. Addresses are expected to
+// default to Premium tier if no NetworkTier is specified.
+func InsertAlphaAddressHook(ctx context.Context, key *meta.Key, obj *alpha.Address, m *cloud.MockAlphaAddresses) (bool, error) {
+	projectID := m.ProjectRouter.ProjectID(ctx, meta.VersionBeta, "addresses")
+	return convertAndInsertAlphaAddress(key, obj, m.Objects, meta.VersionAlpha, projectID)
 }