rebase: IBM key protect integration module dependency update

This commit adds the Key protect client SDK for the Key Protect
KMS integration to the Ceph CSI driver.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

vendor/github.com/IBM/keyprotect-go-client/registrations.go

@@ -0,0 +1,69 @@
+// Copyright 2020 IBM Corp.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package kp
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+	"time"
+)
+
+// Registration represents the registration as returned by KP API
+type Registration struct {
+	KeyID              string     `json:"keyId,omitempty"`
+	ResourceCrn        string     `json:"resourceCrn,omitempty"`
+	CreatedBy          string     `json:"createdBy,omitempty"`
+	CreationDate       *time.Time `json:"creationDate,omitempty"`
+	UpdatedBy          string     `json:"updatedBy,omitempty"`
+	LastUpdateDate     *time.Time `json:"lastUpdated,omitempty"`
+	Description        string     `json:"description,omitempty"`
+	PreventKeyDeletion bool       `json:"preventKeyDeletion,omitempty"`
+	KeyVersion         KeyVersion `json:"keyVersion,omitempty"`
+}
+
+type registrations struct {
+	Metadata      KeysMetadata   `json:"metadata"`
+	Registrations []Registration `json:"resources"`
+}
+
+// ListRegistrations retrieves a collection of registrations
+func (c *Client) ListRegistrations(ctx context.Context, keyId, crn string) (*registrations, error) {
+	registrationAPI := ""
+	if keyId != "" {
+		registrationAPI = fmt.Sprintf("keys/%s/registrations", keyId)
+	} else {
+		registrationAPI = "keys/registrations"
+	}
+
+	req, err := c.newRequest("GET", registrationAPI, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	if crn != "" {
+		v := url.Values{}
+		v.Set("urlEncodedResourceCRNQuery", crn)
+		req.URL.RawQuery = v.Encode()
+	}
+
+	regs := registrations{}
+	_, err = c.do(ctx, req, &regs)
+	if err != nil {
+		return nil, err
+	}
+
+	return &regs, nil
+}